bump min development version to iOS 16 and macOS 13

issue #509 | Xcode 16.0 beta 6 error - "'CATransaction' is unavailable in watchOS"

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+github: [JohnEstropia]

.gitignore

@@ -7,3 +7,10 @@ CoreStore.xcworkspace/xcuserdata
 .DS_Store
 DerivedData
 *.orig
+build
+Playground_macOS.playground/playground.xcworkspace/xcuserdata
+.swiftpm/xcode/package.xcworkspace/xcuserdata
+.swiftpm/xcode/xcuserdata
+Playground_iOS.playground/playground.xcworkspace/xcuserdata
+LegacyDemo/LegacyDemo.xcodeproj/xcuserdata
+Demo/Demo.xcodeproj/xcuserdata

.jazzy.yaml

@@ -0,0 +1,15 @@
+author: John Estropia
+author_url: https://github.com/JohnEstropia
+github_url: https://github.com/JohnEstropia/CoreStore
+module: CoreStore
+readme: README.md
+include: Sources/*
+output: docs
+theme: fullwidth
+clean: true
+skip_undocumented: true
+xcodebuild_arguments:
+- -sdk
+- iphonesimulator
+- -scheme
+- CoreStore iOS

.swift-version

@@ -1 +0,0 @@
-4.0

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:CoreStoreDemo.xcodeproj">
+      location = "self:">
    </FileRef>
 </Workspace>

.swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -2,9 +2,7 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>HasAskedToTakeAutomaticSnapshotBeforeSignificantChanges</key>
+	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-	<key>SnapshotAutomaticallyBeforeSignificantChanges</key>
 	<true/>
 </dict>
 </plist>

.travis.yml

@@ -1,50 +0,0 @@
-language: objective-c
-osx_image: xcode9
-sudo: false
-git:
-  submodules: false
-notifications:
-  email: false
-env:
-  global:
-  - LC_CTYPE=en_US.UTF-8
-  - LANG=en_US.UTF-8
-  matrix:
-    - DESTINATION="OS=11.0,name=iPhone 8"          SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=10.3,name=iPhone 7"          SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=10.1,name=iPhone 7"          SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=9.0,name=iPhone 6 Plus"      SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.4,name=iPhone 6"           SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.3,name=iPhone 5S"          SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.3,name=iPhone 5"           SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.3,name=iPhone 4S"          SCHEME="CoreStore iOS"     SDK=iphonesimulator11.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="arch=x86_64"                    SCHEME="CoreStore OSX"     SDK=macosx10.13          RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=4.0,name=Apple Watch - 42mm" SCHEME="CoreStore watchOS" SDK=watchsimulator4.0    RUN_TESTS="NO"  POD_LINT="NO"
-    - DESTINATION="OS=3.2,name=Apple Watch - 42mm" SCHEME="CoreStore watchOS" SDK=watchsimulator4.0    RUN_TESTS="NO"  POD_LINT="NO"
-    - DESTINATION="OS=2.2,name=Apple Watch - 42mm" SCHEME="CoreStore watchOS" SDK=watchsimulator4.0    RUN_TESTS="NO"  POD_LINT="NO"
-    - DESTINATION="OS=11.0,name=Apple TV 1080p"    SCHEME="CoreStore tvOS"    SDK=appletvsimulator11.0 RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=10.2,name=Apple TV 1080p"    SCHEME="CoreStore tvOS"    SDK=appletvsimulator11.0 RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=9.2,name=Apple TV 1080p"     SCHEME="CoreStore tvOS"    SDK=appletvsimulator11.0 RUN_TESTS="YES" POD_LINT="NO"
-before_install:
-  - gem install cocoapods --no-rdoc --no-ri --no-document --quiet
-  - gem install xcpretty --no-rdoc --no-ri --no-document --quiet
-  - curl -OlL "https://github.com/Carthage/Carthage/releases/download/0.26.0/Carthage.pkg"
-  - sudo installer -pkg "Carthage.pkg" -target /
-  - rm "Carthage.pkg"
-  - npm install ios-sim -g
-  - ios-sim start --devicetypeid "com.apple.CoreSimulator.SimDeviceType.iPhone-8, 11.0"
-before_script:
-  - carthage update --use-submodules
-script:
-  - set -o pipefail
-  - xcodebuild -version
-  - xcodebuild -showsdks
-  - if [ $RUN_TESTS == "YES" ]; then 
-      xcodebuild -workspace CoreStore.xcworkspace -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
-      xcodebuild -workspace CoreStore.xcworkspace -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Release ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
-    fi
-  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStoreDemo" -sdk "iphonesimulator11.0" -destination "OS=11.0,name=iPhone 8" -configuration Debug ONLY_ACTIVE_ARCH=NO build | xcpretty -c;
-  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStoreDemo" -sdk "iphonesimulator11.0" -destination "OS=11.0,name=iPhone 8" -configuration Release ONLY_ACTIVE_ARCH=NO build | xcpretty -c;
-  - if [ $POD_LINT == "YES" ]; then
-      pod lib lint --quick;
-    fi

CoreStore.podspec

@@ -1,20 +1,35 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "5.0.0"
+    s.version = "9.3.0"
+    s.swift_version = "5.9"
     s.license = "MIT"
-    s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"
+    s.documentation_url = "https://JohnEstropia.github.io/CoreStore"
+    s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.author = { "John Rommel Estropia" => "rommel.estropia@gmail.com" }
     s.source = { :git => "https://github.com/JohnEstropia/CoreStore.git", :tag => s.version.to_s }
 
-    s.ios.deployment_target = "8.0"
+    s.ios.deployment_target = "16.0"
-    s.osx.deployment_target = "10.10"
+    s.osx.deployment_target = "13.0"
-    s.watchos.deployment_target = "2.0"
+    s.tvos.deployment_target = "16.0"
-    s.tvos.deployment_target = "9.0"
+    s.watchos.deployment_target = "9.0"
 
-    s.source_files = "Sources", "Sources/**/*.{swift,h,m}"
+    s.source_files = "Sources", "Sources/**/*.swift"
     s.public_header_files = "Sources/**/*.h"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
-    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D DEBUG' }
+    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D DEBUG', 'OTHER_LDFLAGS' => '-weak_framework Combine -weak_framework SwiftUI' }
+
+    s.test_spec "CoreStoreTests" do |ts|
+        ts.source_files = "CoreStoreTests", "CoreStoreTests/**/*.swift", "CoreStoreTests/**/*.xcdatamodeld", "CoreStoreTests/**/*.xcdatamodel"
+        ts.public_header_files = "CoreStoreTests/**/*.h"
+        ts.resources = [ "CoreStoreTests/**/*.xcdatamodeld", "CoreStoreTests/**/*.xcdatamodel" ]
+        ts.preserve_paths =  "CoreStoreTests/**/*.xcdatamodeld"
+        ts.resource_bundles = { 'CoreStoreTests' => ["CoreStoreTests/**/*.momd"] }
+        ts.frameworks = "Foundation", "CoreData"
+        ts.requires_arc = true
+        ts.ios.deployment_target = "13.0"
+        ts.osx.deployment_target = "10.15"
+        ts.tvos.deployment_target = "13.0"
+    end
 end

CoreStore.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore OSX.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1600"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,16 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B52DD1731BE1F8CC00949AFE"
+            BuildableName = "CoreStore.framework"
+            BlueprintName = "CoreStore OSX"
+            ReferencedContainer = "container:CoreStore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,23 +48,11 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "B52DD1731BE1F8CC00949AFE"
-            BuildableName = "CoreStore.framework"
-            BlueprintName = "CoreStore OSX"
-            ReferencedContainer = "container:CoreStore.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -72,8 +68,6 @@
             ReferencedContainer = "container:CoreStore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1600"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,20 +40,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "2F03A53A19C5C6DA005002A5"
-               BuildableName = "CoreStoreTests.xctest"
-               BlueprintName = "CoreStoreTests iOS"
-               ReferencedContainer = "container:CoreStore.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -70,12 +57,23 @@
             isEnabled = "YES">
          </AdditionalOption>
       </AdditionalOptions>
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2F03A53A19C5C6DA005002A5"
+               BuildableName = "CoreStoreTests.xctest"
+               BlueprintName = "CoreStoreTests iOS"
+               ReferencedContainer = "container:CoreStore.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -91,8 +89,12 @@
             ReferencedContainer = "container:CoreStore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
+      <CommandLineArguments>
-      </AdditionalOptions>
+         <CommandLineArgument
+            argument = "-com.apple.CoreData.SQLDebug 2"
+            isEnabled = "NO">
+         </CommandLineArgument>
+      </CommandLineArguments>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1600"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,16 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "82BA18881C4BBCBA00A0916E"
+            BuildableName = "CoreStore.framework"
+            BlueprintName = "CoreStore tvOS"
+            ReferencedContainer = "container:CoreStore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,23 +48,11 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "82BA18881C4BBCBA00A0916E"
-            BuildableName = "CoreStore.framework"
-            BlueprintName = "CoreStore tvOS"
-            ReferencedContainer = "container:CoreStore.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -72,8 +68,6 @@
             ReferencedContainer = "container:CoreStore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1600"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -20,24 +20,44 @@
                ReferencedContainer = "container:CoreStore.xcodeproj">
             </BuildableReference>
          </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "NO"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B5114DA328CEEE5400EEAE78"
+               BuildableName = "CoreStoreTests.xctest"
+               BlueprintName = "CoreStoreTests watchOS"
+               ReferencedContainer = "container:CoreStore.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
       </BuildActionEntries>
    </BuildAction>
    <TestAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B5114DA328CEEE5400EEAE78"
+               BuildableName = "CoreStoreTests.xctest"
+               BlueprintName = "CoreStoreTests watchOS"
+               ReferencedContainer = "container:CoreStore.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -53,8 +73,6 @@
             ReferencedContainer = "container:CoreStore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

CoreStore.xcworkspace/contents.xcworkspacedata

@@ -2,9 +2,9 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "group:CoreStore.xcodeproj">
+      location = "group:Demo/Demo.xcodeproj">
    </FileRef>
    <FileRef
-      location = "group:CoreStoreDemo/CoreStoreDemo.xcodeproj">
+      location = "group:CoreStore.xcodeproj">
    </FileRef>
 </Workspace>

CoreStore.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

CoreStore.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj

@@ -1,556 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 46;
-	objects = {
-
-/* Begin PBXBuildFile section */
-		B503FADF1AFDC71700F90881 /* ListObserverDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADB1AFDC71700F90881 /* ListObserverDemoViewController.swift */; };
-		B503FAE01AFDC71700F90881 /* ObjectObserverDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADC1AFDC71700F90881 /* ObjectObserverDemoViewController.swift */; };
-		B503FAE11AFDC71700F90881 /* Palette.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADD1AFDC71700F90881 /* Palette.swift */; };
-		B503FAE21AFDC71700F90881 /* PaletteTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADE1AFDC71700F90881 /* PaletteTableViewCell.swift */; };
-		B5125C121B521B78003A42C7 /* OrganismV2ToV3.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = B5125C111B521B78003A42C7 /* OrganismV2ToV3.xcmappingmodel */; };
-		B52977D91B120B80003D50A5 /* ObserversViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52977D81B120B80003D50A5 /* ObserversViewController.swift */; };
-		B52977DD1B120F3B003D50A5 /* TransactionsDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52977DC1B120F3B003D50A5 /* TransactionsDemoViewController.swift */; };
-		B52977DF1B120F83003D50A5 /* MapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B52977DE1B120F83003D50A5 /* MapKit.framework */; };
-		B52977E11B120F8A003D50A5 /* CoreLocation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B52977E01B120F8A003D50A5 /* CoreLocation.framework */; };
-		B52977E41B121635003D50A5 /* Place.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52977E31B121635003D50A5 /* Place.swift */; };
-		B54AAD4F1AF4D26E00848AE0 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = B54AAD4E1AF4D26E00848AE0 /* AppDelegate.swift */; };
-		B54AAD521AF4D26E00848AE0 /* CoreStoreDemo.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = B54AAD501AF4D26E00848AE0 /* CoreStoreDemo.xcdatamodeld */; };
-		B54AAD591AF4D26E00848AE0 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = B54AAD571AF4D26E00848AE0 /* Main.storyboard */; };
-		B54AAD5B1AF4D26E00848AE0 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = B54AAD5A1AF4D26E00848AE0 /* Images.xcassets */; };
-		B54AAD5E1AF4D26E00848AE0 /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = B54AAD5C1AF4D26E00848AE0 /* LaunchScreen.xib */; };
-		B560070F1B3EC90F00A9A8F9 /* OrganismV2ToV3MigrationPolicy.swift in Sources */ = {isa = PBXBuildFile; fileRef = B560070E1B3EC90F00A9A8F9 /* OrganismV2ToV3MigrationPolicy.swift */; };
-		B566E32A1B117B1F00F4F0C6 /* StackSetupDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566E3291B117B1F00F4F0C6 /* StackSetupDemoViewController.swift */; };
-		B566E3321B11DF3200F4F0C6 /* UserAccount.swift in Sources */ = {isa = PBXBuildFile; fileRef = B566E3311B11DF3200F4F0C6 /* UserAccount.swift */; };
-		B56964C91B20AC780075EE4A /* CustomLoggerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B56964C81B20AC780075EE4A /* CustomLoggerViewController.swift */; };
-		B56964D71B231AE90075EE4A /* StackSetupDemo.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = B56964D51B231AE90075EE4A /* StackSetupDemo.xcdatamodeld */; };
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-				GCC_PREPROCESSOR_DEFINITIONS = (
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-				);
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-				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
-				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
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-				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = iphoneos;
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
-				VALIDATE_PRODUCT = YES;
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-			name = Release;
-		};
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-			buildSettings = {
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-/* Begin XCConfigurationList section */
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-			defaultConfigurationName = Release;
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CoreStoreDemo/CoreStoreDemo.xcodeproj/project.xcworkspace/xcshareddata/CoreStoreDemo.xccheckout

@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDESourceControlProjectFavoriteDictionaryKey</key>
-	<false/>
-	<key>IDESourceControlProjectIdentifier</key>
-	<string>B6855E48-4B19-4321-B1C7-CB2706E12777</string>
-	<key>IDESourceControlProjectName</key>
-	<string>CoreStoreDemo</string>
-	<key>IDESourceControlProjectOriginsDictionary</key>
-	<dict>
-		<key>4B60F1BCB491FF717C56441AE7783C74F417BE48</key>
-		<string>github.com:JohnEstropia/CoreStore.git</string>
-		<key>8B2E522D57154DFA93A06982C36315ECBEA4FA97</key>
-		<string>github.com:JohnEstropia/GCDKit.git</string>
-	</dict>
-	<key>IDESourceControlProjectPath</key>
-	<string>CoreStoreDemo/CoreStoreDemo.xcodeproj</string>
-	<key>IDESourceControlProjectRelativeInstallPathDictionary</key>
-	<dict>
-		<key>4B60F1BCB491FF717C56441AE7783C74F417BE48</key>
-		<string>../../..</string>
-		<key>8B2E522D57154DFA93A06982C36315ECBEA4FA97</key>
-		<string>../../..Libraries/GCDKit</string>
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-	<key>IDESourceControlProjectWCConfigurations</key>
-	<array>
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-			<key>IDESourceControlWCCIdentifierKey</key>
-			<string>4B60F1BCB491FF717C56441AE7783C74F417BE48</string>
-			<key>IDESourceControlWCCName</key>
-			<string>CoreStore</string>
-		</dict>
-		<dict>
-			<key>IDESourceControlRepositoryExtensionIdentifierKey</key>
-			<string>public.vcs.git</string>
-			<key>IDESourceControlWCCIdentifierKey</key>
-			<string>8B2E522D57154DFA93A06982C36315ECBEA4FA97</string>
-			<key>IDESourceControlWCCName</key>
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CoreStoreDemo/CoreStoreDemo.xcodeproj/project.xcworkspace/xcshareddata/CoreStoreDemo.xcscmblueprint

@@ -1,30 +0,0 @@
-{
-  "DVTSourceControlWorkspaceBlueprintPrimaryRemoteRepositoryKey" : "4B60F1BCB491FF717C56441AE7783C74F417BE48",
-  "DVTSourceControlWorkspaceBlueprintWorkingCopyRepositoryLocationsKey" : {
-
-  },
-  "DVTSourceControlWorkspaceBlueprintWorkingCopyStatesKey" : {
-    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : 0,
-    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : 0
-  },
-  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "B6855E48-4B19-4321-B1C7-CB2706E12777",
-  "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
-    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : "CoreStoreLibraries\/GCDKit",
-    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : "CoreStore"
-  },
-  "DVTSourceControlWorkspaceBlueprintNameKey" : "CoreStoreDemo",
-  "DVTSourceControlWorkspaceBlueprintVersion" : 203,
-  "DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "CoreStoreDemo\/CoreStoreDemo.xcodeproj",
-  "DVTSourceControlWorkspaceBlueprintRemoteRepositoriesKey" : [
-    {
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "github.com:JohnEstropia\/CoreStore.git",
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "4B60F1BCB491FF717C56441AE7783C74F417BE48"
-    },
-    {
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "github.com:JohnEstropia\/GCDKit.git",
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
-      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "8B2E522D57154DFA93A06982C36315ECBEA4FA97"
-    }
-  ]
-}

CoreStoreDemo/CoreStoreDemo.xcodeproj/project.xcworkspace/xcshareddata/HardcoreDataDemo.xccheckout

@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDESourceControlProjectFavoriteDictionaryKey</key>
-	<false/>
-	<key>IDESourceControlProjectIdentifier</key>
-	<string>7C5E31AC-5DD0-43DA-A5C6-AF73B4532D86</string>
-	<key>IDESourceControlProjectName</key>
-	<string>project</string>
-	<key>IDESourceControlProjectOriginsDictionary</key>
-	<dict>
-		<key>4B60F1BCB491FF717C56441AE7783C74F417BE48</key>
-		<string>github.com:JohnEstropia/HardcoreData.git</string>
-		<key>8B2E522D57154DFA93A06982C36315ECBEA4FA97</key>
-		<string>github.com:JohnEstropia/GCDKit.git</string>
-	</dict>
-	<key>IDESourceControlProjectPath</key>
-	<string>HardcoreDataDemo/HardcoreDataDemo.xcodeproj/project.xcworkspace</string>
-	<key>IDESourceControlProjectRelativeInstallPathDictionary</key>
-	<dict>
-		<key>4B60F1BCB491FF717C56441AE7783C74F417BE48</key>
-		<string>../../..</string>
-		<key>8B2E522D57154DFA93A06982C36315ECBEA4FA97</key>
-		<string>../../..Libraries/GCDKit</string>
-	</dict>
-	<key>IDESourceControlProjectURL</key>
-	<string>github.com:JohnEstropia/HardcoreData.git</string>
-	<key>IDESourceControlProjectVersion</key>
-	<integer>111</integer>
-	<key>IDESourceControlProjectWCCIdentifier</key>
-	<string>4B60F1BCB491FF717C56441AE7783C74F417BE48</string>
-	<key>IDESourceControlProjectWCConfigurations</key>
-	<array>
-		<dict>
-			<key>IDESourceControlRepositoryExtensionIdentifierKey</key>
-			<string>public.vcs.git</string>
-			<key>IDESourceControlWCCIdentifierKey</key>
-			<string>8B2E522D57154DFA93A06982C36315ECBEA4FA97</string>
-			<key>IDESourceControlWCCName</key>
-			<string>GCDKit</string>
-		</dict>
-		<dict>
-			<key>IDESourceControlRepositoryExtensionIdentifierKey</key>
-			<string>public.vcs.git</string>
-			<key>IDESourceControlWCCIdentifierKey</key>
-			<string>4B60F1BCB491FF717C56441AE7783C74F417BE48</string>
-			<key>IDESourceControlWCCName</key>
-			<string>HardcoreData</string>
-		</dict>
-	</array>
-</dict>
-</plist>

CoreStoreDemo/CoreStoreDemo/AppDelegate.swift

@@ -1,27 +0,0 @@
-//
-//  AppDelegate.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - AppDelegate
-
-@UIApplicationMain
-class AppDelegate: UIResponder, UIApplicationDelegate {
-
-    // MARK: UIApplicationDelegate
-    
-    var window: UIWindow?
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]? = nil) -> Bool {
-        
-        application.statusBarStyle = .lightContent
-        return true
-    }
-}
-

CoreStoreDemo/CoreStoreDemo/Base.lproj/LaunchScreen.xib

@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="10112" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10083"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2015 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439" width="441" height="21"/>
-                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-                <imageView userInteractionEnabled="NO" contentMode="center" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="CoreStoreIcon" translatesAutoresizingMaskIntoConstraints="NO" id="q8C-V6-gXH">
-                    <rect key="frame" x="155" y="83" width="170" height="170"/>
-                </imageView>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="CoreStore" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
-                    <rect key="frame" x="20" y="273" width="440" height="57.5"/>
-                    <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="50"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-            </subviews>
-            <color key="backgroundColor" red="0.20392156862745098" green="0.28627450980392155" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-            <constraints>
-                <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
-                <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
-                <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
-                <constraint firstItem="q8C-V6-gXH" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="centerY" multiplier="0.7" id="QW6-8Y-w15"/>
-                <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
-                <constraint firstItem="q8C-V6-gXH" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="fRb-1V-9iD"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="top" secondItem="q8C-V6-gXH" secondAttribute="bottom" constant="20" id="s63-MP-ush"/>
-            </constraints>
-            <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
-            <point key="canvasLocation" x="548" y="455"/>
-        </view>
-    </objects>
-    <resources>
-        <image name="CoreStoreIcon" width="170" height="170"/>
-    </resources>
-</document>

CoreStoreDemo/CoreStoreDemo/Base.lproj/LaunchScreen.xib.orig

@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<<<<<<< Updated upstream
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
-=======
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
->>>>>>> Stashed changes
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-<<<<<<< Updated upstream
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2015 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439" width="441" height="21"/>
-=======
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2015 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439.5" width="441" height="20.5"/>
->>>>>>> Stashed changes
-                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="CoreStore" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
-                    <rect key="frame" x="20" y="133" width="441" height="57.5"/>
-                    <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="50"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-            </subviews>
-            <color key="backgroundColor" red="0.20392156862745098" green="0.28627450980392155" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-            <constraints>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
-                <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
-                <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
-                <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
-                <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
-            </constraints>
-            <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
-            <point key="canvasLocation" x="548" y="455"/>
-        </view>
-    </objects>
-</document>

CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="12141" systemVersion="16F73" minimumToolsVersion="Xcode 7.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
-    <entity name="Place" representedClassName="CoreStoreDemo.Place" syncable="YES">
-        <attribute name="latitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="longitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="subtitle" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="title" optional="YES" attributeType="String" syncable="YES"/>
-    </entity>
-    <entity name="TimeZone" representedClassName="CoreStoreDemo.TimeZone" syncable="YES">
-        <attribute name="abbreviation" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="daylightSavingTimeOffset" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasDaylightSavingTime" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="secondsFromGMT" optional="YES" attributeType="Integer 32" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-    </entity>
-    <configuration name="FetchingAndQueryingDemo">
-        <memberEntity name="TimeZone"/>
-    </configuration>
-    <configuration name="TransactionsDemo">
-        <memberEntity name="Place"/>
-    </configuration>
-    <elements>
-        <element name="Place" positionX="261" positionY="225" width="128" height="105"/>
-        <element name="TimeZone" positionX="297" positionY="270" width="128" height="120"/>
-    </elements>
-</model>

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift

@@ -1,319 +0,0 @@
-//
-//  FetchingAndQueryingDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/12.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-private struct Static {
-    
-    static let timeZonesStack: DataStack = {
-        
-        let dataStack = DataStack()
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "TimeZoneDemo.sqlite",
-                configuration: "FetchingAndQueryingDemo",
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        _ = try? dataStack.perform(
-            synchronous: { (transaction) in
-                
-                transaction.deleteAll(From<TimeZone>())
-                
-                for name in NSTimeZone.knownTimeZoneNames {
-                    
-                    let rawTimeZone = NSTimeZone(name: name)!
-                    let cachedTimeZone = transaction.create(Into<TimeZone>())
-                    
-                    cachedTimeZone.name = rawTimeZone.name
-                    cachedTimeZone.abbreviation = rawTimeZone.abbreviation ?? ""
-                    cachedTimeZone.secondsFromGMT = Int32(rawTimeZone.secondsFromGMT)
-                    cachedTimeZone.hasDaylightSavingTime = rawTimeZone.isDaylightSavingTime
-                    cachedTimeZone.daylightSavingTimeOffset = rawTimeZone.daylightSavingTimeOffset
-                }
-            }
-        )
-        return dataStack
-    }()
-}
-
-
-// MARK: - FetchingAndQueryingDemoViewController
-
-class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
-    
-    // MARK: UIViewController
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        if self.didAppearOnce {
-            
-            return
-        }
-        
-        self.didAppearOnce = true
-        
-        let alert = UIAlertController(
-            title: "Fetch and Query Demo",
-            message: "This demo shows how to execute fetches and queries.\n\nEach menu item executes and displays a preconfigured fetch/query.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-    
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        
-        super.prepare(for: segue, sender: sender)
-        
-        if let indexPath = sender as? IndexPath {
-            
-            switch segue.destination {
-                
-            case let controller as FetchingResultsViewController:
-                let item = self.fetchingItems[indexPath.row]
-                controller.set(timeZones: item.fetch(), title: item.title)
-                
-            case let controller as QueryingResultsViewController:
-                let item = self.queryingItems[indexPath.row]
-                controller.set(value: item.query(), title: item.title)
-                
-            default:
-                break
-            }
-        }
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            return self.fetchingItems.count
-            
-        case Section.querying.rawValue?:
-            return self.queryingItems.count
-            
-        default:
-            return 0
-        }
-    }
-    
-    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")!
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            cell.textLabel?.text = self.fetchingItems[indexPath.row].title
-            
-        case Section.querying.rawValue?:
-            cell.textLabel?.text = self.queryingItems[indexPath.row].title
-            
-        default:
-            cell.textLabel?.text = nil
-        }
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        tableView.deselectRow(at: indexPath, animated: true)
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case Section.fetching.rawValue?:
-            self.performSegue(withIdentifier: "FetchingResultsViewController", sender: indexPath)
-            
-        case Section.querying.rawValue?:
-            self.performSegue(withIdentifier: "QueryingResultsViewController", sender: indexPath)
-            
-        default:
-            break
-        }
-    }
-    
-    
-    // MARK: Private
-    
-    private enum Section: Int {
-        
-        case fetching
-        case querying
-    }
-    
-    private let fetchingItems = [
-        (
-            title: "All Time Zones",
-            fetch: { () -> [TimeZone] in
-                
-                return Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .orderBy(.ascending(\.name))
-                )!
-            }
-        ),
-        (
-            title: "Time Zones in Asia",
-            fetch: { () -> [TimeZone] in
-                
-                return Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "Asia"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                )!
-            }
-        ),
-        (
-            title: "Time Zones in America and Europe",
-            fetch: { () -> [TimeZone] in
-                
-                return Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@ OR %K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "America",
-                            #keyPath(TimeZone.name),
-                            "Europe"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                )!
-            }
-        ),
-        (
-            title: "All Time Zones Except America",
-            fetch: { () -> [TimeZone] in
-                
-                return Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(
-                            format: "%K BEGINSWITH[c] %@",
-                            #keyPath(TimeZone.name),
-                            "America"
-                        )
-                        .orderBy(.ascending(\.secondsFromGMT))
-                    )!
-            }
-        ),
-        (
-            title: "Time Zones with Summer Time",
-            fetch: { () -> [TimeZone] in
-                
-                return Static.timeZonesStack.fetchAll(
-                    From<TimeZone>()
-                        .where(\.hasDaylightSavingTime == true)
-                        .orderBy(.ascending(\.name))
-                )!
-            }
-        )
-    ]
-    
-    private let queryingItems: [(title: String, query: () -> Any)] = [
-        (
-            title: "Number of Time Zones",
-            query: { () -> Any in
-                
-                return Static.timeZonesStack.queryValue(
-                    From<TimeZone>()
-                        .select(NSNumber.self, .count(\.name))
-                )! as Any
-            }
-        ),
-        (
-            title: "Abbreviation For Tokyo's Time Zone",
-            query: { () -> Any in
-                
-                return Static.timeZonesStack.queryValue(
-                    From<TimeZone>()
-                        .select(String.self, .attribute(\.abbreviation))
-                        .where(format: "%K ENDSWITH[c] %@", #keyPath(TimeZone.name), "Tokyo")
-                )! as Any
-            }
-        ),
-        (
-            title: "All Abbreviations",
-            query: { () -> Any in
-                
-                return Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .attribute(\.name),
-                            .attribute(\.abbreviation)
-                        )
-                        .orderBy(.ascending(\.name))
-                )!
-            }
-        ),
-        (
-            title: "Number of Countries per Time Zone",
-            query: { () -> Any in
-                
-                return Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .count(\.abbreviation),
-                            .attribute(\.abbreviation)
-                        )
-                        .groupBy(\.abbreviation)
-                        .orderBy(
-                            .ascending(\.secondsFromGMT),
-                            .ascending(\.name)
-                        )
-                )!
-            }
-        ),
-        (
-            title: "Number of Countries with Summer Time",
-            query: { () -> Any in
-                
-                return Static.timeZonesStack.queryAttributes(
-                    From<TimeZone>()
-                        .select(
-                            NSDictionary.self,
-                            .count(\.hasDaylightSavingTime, as: "numberOfCountries"),
-                            .attribute(\.hasDaylightSavingTime)
-                        )
-                        .groupBy(\.hasDaylightSavingTime)
-                        .orderBy(
-                            .descending(\.hasDaylightSavingTime),
-                            .ascending(\.name)
-                        )
-                )!
-            }
-        )
-    ]
-    
-    var didAppearOnce = false
-    
-    @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
-    @IBOutlet dynamic weak var tableView: UITableView?
-    
-    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        self.tableView?.reloadData()
-    }
-}

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingResultsViewController.swift

@@ -1,68 +0,0 @@
-//
-//  FetchingResultsViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-// MARK: - FetchingResultsViewController
-
-class FetchingResultsViewController: UITableViewController {
-
-    // MARK: Public
-    
-    func set(timeZones: [TimeZone]?, title: String) {
-        
-        self.timeZones += timeZones ?? []
-        self.sectionTitle = title
-        
-        self.tableView?.reloadData()
-    }
-    
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableViewAutomaticDimension
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.timeZones.count
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
-        
-        let timeZone = self.timeZones[indexPath.row]
-        cell.textLabel?.text = timeZone.name
-        cell.detailTextLabel?.text = timeZone.abbreviation
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        return self.sectionTitle
-    }
-    
-    
-    // MARK: Private
-    
-    var timeZones = [TimeZone]()
-    var sectionTitle: String?
-}

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/QueryingResultsViewController.swift

@@ -1,88 +0,0 @@
-//
-//  QueryingResultsViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-class QueryingResultsViewController: UITableViewController {
-    
-    // MARK: Public
-    
-    func set(value: Any?, title: String) {
-        
-        switch value {
-            
-        case (let array as [Any])?:
-            self.values = array.map { (item: Any) -> (title: String, detail: String) in
-                (
-                    title: String(describing: item),
-                    detail: String(reflecting: type(of: item))
-                )
-            }
-            
-        case let item?:
-            self.values = [
-                (
-                    title: String(describing: item),
-                    detail: String(reflecting: type(of: item))
-                )
-            ]
-            
-        default:
-            self.values = []
-        }
-        
-        self.sectionTitle = title
-        
-        self.tableView?.reloadData()
-    }
-    
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableViewAutomaticDimension
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.values.count
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
-        
-        let value = self.values[indexPath.row]
-        
-        cell.textLabel?.text = value.title
-        cell.detailTextLabel?.text = value.detail
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        return self.sectionTitle
-    }
-    
-    
-    // MARK: Private
-    
-    var values: [(title: String, detail: String)] = []
-    var sectionTitle: String?
-}

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/TimeZone.swift

@@ -1,20 +0,0 @@
-//
-//  TimeZone.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/15.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class TimeZone: NSManagedObject {
-
-    @NSManaged var secondsFromGMT: Int32
-    @NSManaged var abbreviation: String
-    @NSManaged var hasDaylightSavingTime: Bool
-    @NSManaged var daylightSavingTimeOffset: Double
-    @NSManaged var name: String
-
-}

CoreStoreDemo/CoreStoreDemo/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -1,58 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "iphone",
-      "size" : "29x29",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "29x29",
-      "scale" : "3x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "40x40",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "40x40",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@3x-1.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "car",
-      "filename" : "Icon-60@3x.png",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

CoreStoreDemo/CoreStoreDemo/Images.xcassets/Contents.json

@@ -1,6 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

CoreStoreDemo/CoreStoreDemo/Images.xcassets/CoreStoreIcon.imageset/Contents.json

@@ -1,21 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "CoreStoreIcon@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

CoreStoreDemo/CoreStoreDemo/Images.xcassets/first.imageset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "first.pdf"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

CoreStoreDemo/CoreStoreDemo/Images.xcassets/second.imageset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "second.pdf"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ListObserverDemoViewController.swift

@@ -1,328 +0,0 @@
-//
-//  ListObserverDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-struct ColorsDemo {
-    
-    enum Filter: String {
-        
-        case all = "All Colors"
-        case light = "Light Colors"
-        case dark = "Dark Colors"
-        
-        func next() -> Filter {
-            
-            switch self {
-                
-            case .all: return .light
-            case .light: return .dark
-            case .dark: return .all
-            }
-        }
-        
-        func whereClause() -> Where<Palette> {
-            
-            switch self {
-                
-            case .all: return .init()
-            case .light: return (\Palette.brightness >= 0.9)
-            case .dark: return (\Palette.brightness <= 0.4)
-            }
-        }
-    }
-    
-    static var filter = Filter.all {
-        
-        didSet {
-            
-            self.palettes.refetch(
-                self.filter.whereClause(),
-                OrderBy<Palette>(.ascending(\.hue))
-            )
-        }
-    }
-    
-    static let stack: DataStack = {
-     
-        return DataStack(
-            CoreStoreSchema(
-                modelVersion: "ColorsDemo",
-                entities: [
-                    Entity<Palette>("Palette"),
-                ],
-                versionLock: [
-                    "Palette": [0x8c25aa53c7c90a28, 0xa243a34d25f1a3a7, 0x56565b6935b6055a, 0x4f988bb257bf274f]
-                ]
-            )
-        )
-    }()
-    
-    static let palettes: ListMonitor<Palette> = {
-        
-        try! ColorsDemo.stack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "ColorsDemo.sqlite",
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        return ColorsDemo.stack.monitorSectionedList(
-            From<Palette>()
-                .sectionBy(\.colorName)
-                .orderBy(.ascending(\.hue))
-        )
-    }()
-}
-
-
-// MARK: - ListObserverDemoViewController
-
-class ListObserverDemoViewController: UITableViewController, ListSectionObserver {
-    
-    // MARK: NSObject
-    
-    deinit {
-        
-        ColorsDemo.palettes.removeObserver(self)
-    }
-    
-    
-    // MARK: UIViewController
-
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        let navigationItem = self.navigationItem
-        navigationItem.leftBarButtonItems = [
-            self.editButtonItem,
-            UIBarButtonItem(
-                barButtonSystemItem: .trash,
-                target: self,
-                action: #selector(self.resetBarButtonItemTouched(_:))
-            )
-        ]
-        
-        let filterBarButton = UIBarButtonItem(
-            title: ColorsDemo.filter.rawValue,
-            style: .plain,
-            target: self,
-            action: #selector(self.filterBarButtonItemTouched(_:))
-        )
-        navigationItem.rightBarButtonItems = [
-            UIBarButtonItem(
-                barButtonSystemItem: .add,
-                target: self,
-                action: #selector(self.addBarButtonItemTouched(_:))
-            ),
-            filterBarButton
-        ]
-        self.filterBarButton = filterBarButton
-        
-        ColorsDemo.palettes.addObserver(self)
-        
-        self.setTable(enabled: !ColorsDemo.palettes.isPendingRefetch)
-    }
-    
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        
-        super.prepare(for: segue, sender: sender)
-        
-        switch (segue.identifier, segue.destination, sender) {
-            
-        case ("ObjectObserverDemoViewController"?, let destinationViewController as ObjectObserverDemoViewController, let palette as Palette):
-            destinationViewController.palette = palette
-            
-        default:
-            break
-        }
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func numberOfSections(in tableView: UITableView) -> Int {
-        
-        return ColorsDemo.palettes.numberOfSections()
-    }
-
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return ColorsDemo.palettes.numberOfObjectsInSection(section)
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "PaletteTableViewCell") as! PaletteTableViewCell
-        
-        let palette = ColorsDemo.palettes[indexPath]
-        cell.colorView?.backgroundColor = palette.color
-        cell.label?.text = palette.colorText
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        tableView.deselectRow(at: indexPath, animated: true)
-        
-        self.performSegue(
-            withIdentifier: "ObjectObserverDemoViewController",
-            sender: ColorsDemo.palettes[indexPath]
-        )
-    }
-    
-    override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
-        
-        switch editingStyle {
-            
-        case .delete:
-            let palette = ColorsDemo.palettes[indexPath]
-            ColorsDemo.stack.perform(
-                asynchronous: { (transaction) in
-                    
-                    transaction.delete(palette)
-                },
-                completion: { _ in }
-            )
-            
-        default:
-            break
-        }
-    }
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        return ColorsDemo.palettes.sectionInfoAtIndex(section).name
-    }
-    
-    
-    // MARK: ListObserver
-    
-    func listMonitorWillChange(_ monitor: ListMonitor<Palette>) {
-        
-        self.tableView.beginUpdates()
-    }
-    
-    func listMonitorDidChange(_ monitor: ListMonitor<Palette>) {
-        
-        self.tableView.endUpdates()
-    }
-    
-    func listMonitorWillRefetch(_ monitor: ListMonitor<Palette>) {
-        
-        self.setTable(enabled: false)
-    }
-    
-    func listMonitorDidRefetch(_ monitor: ListMonitor<Palette>) {
-        
-        self.filterBarButton?.title = ColorsDemo.filter.rawValue
-        self.tableView.reloadData()
-        self.setTable(enabled: true)
-    }
-    
-    
-    // MARK: ListObjectObserver
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didInsertObject object: Palette, toIndexPath indexPath: IndexPath) {
-        
-        self.tableView.insertRows(at: [indexPath], with: .automatic)
-    }
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteObject object: Palette, fromIndexPath indexPath: IndexPath) {
-        
-        self.tableView.deleteRows(at: [indexPath], with: .automatic)
-    }
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didUpdateObject object: Palette, atIndexPath indexPath: IndexPath) {
-        
-        if let cell = self.tableView.cellForRow(at: indexPath) as? PaletteTableViewCell {
-            
-            let palette = ColorsDemo.palettes[indexPath]
-            cell.colorView?.backgroundColor = palette.color
-            cell.label?.text = palette.colorText
-        }
-    }
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didMoveObject object: Palette, fromIndexPath: IndexPath, toIndexPath: IndexPath) {
-        
-        self.tableView.deleteRows(at: [fromIndexPath], with: .automatic)
-        self.tableView.insertRows(at: [toIndexPath], with: .automatic)
-    }
-    
-    
-    // MARK: ListSectionObserver
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
-        
-        self.tableView.insertSections(IndexSet(integer: sectionIndex), with: .automatic)
-    }
-    
-    
-    func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
-        
-        self.tableView.deleteSections(IndexSet(integer: sectionIndex), with: .automatic)
-    }
-    
-    
-    // MARK: Private
-    
-    private var filterBarButton: UIBarButtonItem?
-    
-    @IBAction private dynamic func resetBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-                
-                transaction.deleteAll(From<Palette>())
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction private dynamic func filterBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.filter = ColorsDemo.filter.next()
-    }
-    
-    @IBAction private dynamic func addBarButtonItemTouched(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { (transaction) in
-                
-                let palette = transaction.create(Into<Palette>())
-                palette.setInitialValues(in: transaction)
-            },
-            completion: { _ in }
-        )
-    }
-    
-    private func setTable(enabled: Bool) {
-        
-        UIView.animate(
-            withDuration: 0.2,
-            delay: 0,
-            options: .beginFromCurrentState,
-            animations: { () -> Void in
-                
-                if let tableView = self.tableView {
-                    
-                    tableView.alpha = enabled ? 1.0 : 0.5
-                    tableView.isUserInteractionEnabled = enabled
-                }
-            },
-            completion: nil
-        )
-    }
-}
-

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObjectObserverDemoViewController.swift

@@ -1,200 +0,0 @@
-//
-//  ObjectObserverDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - ObjectObserverDemoViewController
-
-class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
-    
-    var palette: Palette? {
-        
-        get {
-            
-            return self.monitor?.object
-        }
-        set {
-            
-            guard self.monitor?.object != newValue else {
-                
-                return
-            }
-            
-            if let palette = newValue {
-                
-                self.monitor = ColorsDemo.stack.monitorObject(palette)
-            }
-            else {
-                
-                self.monitor = nil
-            }
-        }
-    }
-    
-    // MARK: NSObject
-    
-    deinit {
-        
-        self.monitor?.removeObserver(self)
-    }
-    
-
-    // MARK: UIViewController
-    
-    required init?(coder aDecoder: NSCoder) {
-        
-        if let palette = ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.hue))) {
-            
-            self.monitor = ColorsDemo.stack.monitorObject(palette)
-        }
-        else {
-            
-            _ = try? ColorsDemo.stack.perform(
-                synchronous: { (transaction) in
-                    
-                    let palette = transaction.create(Into<Palette>())
-                    palette.setInitialValues(in: transaction)
-                }
-            )
-            
-            let palette = ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.hue)))!
-            self.monitor = ColorsDemo.stack.monitorObject(palette)
-        }
-        
-        super.init(coder: aDecoder)
-    }
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        self.monitor?.addObserver(self)
-        
-        if let palette = self.monitor?.object {
-            
-            self.reloadPaletteInfo(palette, changedKeys: nil)
-        }
-    }
-    
-    
-    // MARK: ObjectObserver
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didUpdateObject object: Palette, changedPersistentKeys: Set<KeyPathString>) {
-        
-        self.reloadPaletteInfo(object, changedKeys: changedPersistentKeys)
-    }
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didDeleteObject object: Palette) {
-        
-        self.navigationItem.rightBarButtonItem?.isEnabled = false
-        
-        self.colorNameLabel?.alpha = 0.3
-        self.colorView?.alpha = 0.3
-        
-        self.hsbLabel?.text = "Deleted"
-        self.hsbLabel?.textColor = UIColor.red
-        
-        self.hueSlider?.isEnabled = false
-        self.saturationSlider?.isEnabled = false
-        self.brightnessSlider?.isEnabled = false
-    }
-
-    
-    // MARK: Private
-    
-    var monitor: ObjectMonitor<Palette>?
-    
-    @IBOutlet weak var colorNameLabel: UILabel?
-    @IBOutlet weak var colorView: UIView?
-    @IBOutlet weak var hsbLabel: UILabel?
-    @IBOutlet weak var dateLabel: UILabel?
-    @IBOutlet weak var hueSlider: UISlider?
-    @IBOutlet weak var saturationSlider: UISlider?
-    @IBOutlet weak var brightnessSlider: UISlider?
-    
-    @IBAction dynamic func hueSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let hue = self.hueSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.hue .= Int(hue)
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func saturationSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let saturation = self.saturationSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.saturation .= saturation
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func brightnessSliderValueDidChange(_ sender: AnyObject?) {
-        
-        let brightness = self.brightnessSlider?.value ?? 0
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                if let palette = transaction.edit(self?.monitor?.object) {
-                    
-                    palette.brightness .= brightness
-                }
-            },
-            completion: { _ in }
-        )
-    }
-    
-    @IBAction dynamic func deleteBarButtonTapped(_ sender: AnyObject?) {
-        
-        ColorsDemo.stack.perform(
-            asynchronous: { [weak self] (transaction) in
-                
-                transaction.delete(self?.monitor?.object)
-            },
-            completion: { _ in }
-        )
-    }
-    
-    func reloadPaletteInfo(_ palette: Palette, changedKeys: Set<String>?) {
-        
-        self.colorNameLabel?.text = palette.colorName.value
-        
-        let color = palette.color
-        self.colorNameLabel?.textColor = color
-        self.colorView?.backgroundColor = color
-        
-        self.hsbLabel?.text = palette.colorText
-        
-        if changedKeys == nil || changedKeys?.contains(Palette.keyPath{ $0.hue }) == true {
-            
-            self.hueSlider?.value = Float(palette.hue.value)
-        }
-        if changedKeys == nil || changedKeys?.contains(Palette.keyPath{ $0.saturation }) == true {
-            
-            self.saturationSlider?.value = palette.saturation.value
-        }
-        if changedKeys == nil || changedKeys?.contains(Palette.keyPath{ $0.brightness }) == true {
-            
-            self.brightnessSlider?.value = palette.brightness.value
-        }
-    }
-}

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift

@@ -1,30 +0,0 @@
-//
-//  ObserversViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-
-// MARK: - ObserversViewController
-
-class ObserversViewController: UIViewController {
-    
-    // MARK: UIViewController
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Observers Demo",
-            message: "This demo shows how to observe changes to a list of objects. The top and bottom view controllers both observe a single shared \"ListMonitor\" instance.\n\nTap on a row to see how to observe changes made to a single object using a \"ObjectMonitor\".",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-}

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/Palette.swift

@@ -1,78 +0,0 @@
-//
-//  Palette.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import UIKit
-import CoreData
-import CoreStore
-
-
-// MARK: - Palette
-
-final class Palette: CoreStoreObject {
-    
-    let hue = Value.Required<Int>("hue", initial: 0)
-    let saturation = Value.Required<Float>("saturation", initial: 0)
-    let brightness = Value.Required<Float>("brightness", initial: 0)
-    
-    let colorName = Value.Optional<String>(
-        "colorName",
-        isTransient: true,
-        customGetter: Palette.getColorName
-    )
-    
-    private static func getColorName(_ partialObject: PartialObject<Palette>) -> String? {
-        
-        if let colorName = partialObject.primitiveValue(for: { $0.colorName }) {
-            
-            return colorName
-        }
-        
-        let colorName: String
-        switch partialObject.value(for: { $0.hue }) % 360 {
-            
-        case 0 ..< 20: colorName = "Lower Reds"
-        case 20 ..< 57: colorName = "Oranges and Browns"
-        case 57 ..< 90: colorName = "Yellow-Greens"
-        case 90 ..< 159: colorName = "Greens"
-        case 159 ..< 197: colorName = "Blue-Greens"
-        case 197 ..< 241: colorName = "Blues"
-        case 241 ..< 297: colorName = "Violets"
-        case 297 ..< 331: colorName = "Magentas"
-        default: colorName = "Upper Reds"
-        }
-        
-        partialObject.setPrimitiveValue(colorName, for: { $0.colorName })
-        return colorName
-    }
-}
-
-extension Palette {
-    
-    var color: UIColor {
-        
-        return UIColor(
-            hue: CGFloat(self.hue.value) / 360.0,
-            saturation: CGFloat(self.saturation.value),
-            brightness: CGFloat(self.brightness.value),
-            alpha: 1.0
-        )
-    }
-    
-    var colorText: String {
-        
-        return "H: \(self.hue.value)˚, S: \(round(self.saturation.value * 100.0))%, B: \(round(self.brightness.value * 100.0))%"
-    }
-    
-    func setInitialValues(in transaction: BaseDataTransaction) {
-        
-        self.hue .= Int(arc4random_uniform(360))
-        self.saturation .= Float(1.0)
-        self.brightness .= Float(arc4random_uniform(70) + 30) / 100.0
-    }
-}

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/PaletteTableViewCell.swift

@@ -1,15 +0,0 @@
-//
-//  PaletteTableViewCell.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-class PaletteTableViewCell: UITableViewCell {
-    
-    @IBOutlet weak var colorView: UIView?
-    @IBOutlet weak var label: UILabel?
-}

CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift

@@ -1,123 +0,0 @@
-//
-//  CustomLoggerViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - CustomLoggerViewController
-
-class CustomLoggerViewController: UIViewController, CoreStoreLogger {
-    
-    // MARK: NSObject
-    
-    deinit {
-        
-        CoreStore.logger = DefaultLogger()
-    }
-    
-    let dataStack = DataStack()
-    
-    // MARK: UIViewController
-
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        try! self.dataStack.addStorageAndWait(SQLiteStore(fileName: "emptyStore.sqlite"))
-        CoreStore.logger = self
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Logger Demo",
-            message: "This demo shows how to plug-in any logging framework to CoreStore.\n\nThe view controller implements CoreStoreLogger and appends all logs to the text view.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-
-    
-    // MARK: CoreStoreLogger
-    
-    func log(level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        DispatchQueue.main.async { [weak self] in
-            
-            let levelString: String
-            switch level {
-                
-            case .trace: levelString = "Trace"
-            case .notice: levelString = "Notice"
-            case .warning: levelString = "Warning"
-            case .fatal: levelString = "Fatal"
-            }
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Log:\(levelString)] \(message)\n\n")
-        }
-    }
-    
-    func log(error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        DispatchQueue.main.async { [weak self] in
-            
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Error] \(message): \(error)\n\n")
-        }
-    }
-    
-    func assert(_ condition: @autoclosure () -> Bool, message: @autoclosure () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
-        
-        if condition() {
-            
-            return
-        }
-        
-        let messageString = message()
-        DispatchQueue.main.async { [weak self] in
-            
-            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Assert] \(messageString)\n\n")
-        }
-    }
-    
-    
-    // MARK: Private
-    
-    @IBOutlet dynamic weak var textView: UITextView?
-    @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
-    
-    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        switch self.segmentedControl?.selectedSegmentIndex {
-            
-        case 0?:
-            let request = NSFetchRequest<NSFetchRequestResult>()
-            Where<NSManagedObject>(true).applyToFetchRequest(request)
-            Where<NSManagedObject>(false).applyToFetchRequest(request)
-            
-        case 1?:
-            _ = try? dataStack.addStorageAndWait(
-                SQLiteStore(
-                    fileName: "emptyStore.sqlite",
-                    configuration: "invalidStore"
-                )
-            )
-            
-        case 2?:
-            DispatchQueue.global(qos: .background).async {
-                
-                _ = self.dataStack.fetchOne(From<Place>())
-            }
-            
-        default:
-            return
-        }
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/MigrationsDemoViewController.swift

@@ -1,445 +0,0 @@
-//
-//  MigrationsDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-// MARK: - MigrationsDemoViewController
-
-class MigrationsDemoViewController: UIViewController, ListObserver, UITableViewDataSource, UITableViewDelegate {
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        if let segmentedControl = self.segmentedControl {
-            
-            for (index, model) in self.models.enumerated() {
-                
-                segmentedControl.setTitle(
-                    model.label,
-                    forSegmentAt: index
-                )
-            }
-        }
-        self.set(dataStack: nil, model: nil, scrollToSelection: false)
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Migrations Demo",
-            message: "This demo shows how to run progressive migrations and how to support multiple model versions in a single project.\n\nThe persistent store contains 10000 organisms, which gain/lose properties when the migration evolves/devolves them.\n\nYou can use the \"mutate\" button to change an organism's properties then migrate to a different model to see how its value gets affected.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-        
-        
-        let modelMetadata = withExtendedLifetime(DataStack(xcodeModelName: "MigrationDemo")) {
-            (dataStack: DataStack) -> ModelMetadata in
-            
-            let models = self.models
-            let migrations = try! dataStack.requiredMigrationsForStorage(
-                SQLiteStore(fileName: "MigrationDemo.sqlite")
-            )
-            
-            guard let storeVersion = migrations.first?.sourceVersion else {
-            
-                return models.first!
-            }
-            for model in models {
-                
-                if model.schemaHistory.currentModelVersion == storeVersion {
-                    
-                    return model
-                }
-            }
-            
-            return models.first!
-        }
-        
-        self.selectModelVersion(modelMetadata)
-    }
-    
-    // MARK: ListObserver
-    
-    func listMonitorWillChange(_ monitor: ListMonitor<NSManagedObject>) { }
-    
-    func listMonitorDidChange(_ monitor: ListMonitor<NSManagedObject>) {
-        
-        if self.lastSelectedIndexPath == nil,
-            let numberOfObjectsInSection = self.listMonitor?.numberOfObjectsInSection(0),
-            numberOfObjectsInSection > 0 {
-            
-            self.tableView?.reloadData()
-            self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: false)
-        }
-        else {
-            
-            self.updateDisplay(reloadData: true, scrollToSelection: true, animated: true)
-        }
-    }
-    
-    func listMonitorDidRefetch(_ monitor: ListMonitor<NSManagedObject>) {
-        
-        self.listMonitorDidChange(monitor)
-    }
-    
-    // MARK: UITableViewDataSource
-    
-    @objc dynamic func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.listMonitor?.numberOfObjectsInSection(0) ?? 0
-    }
-    
-    @objc dynamic func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "OrganismTableViewCell", for: indexPath) as! OrganismTableViewCell
-        
-        let dna = (self.listMonitor?[indexPath] as? OrganismProtocol)?.dna.description ?? ""
-        cell.dnaLabel?.text = "DNA: \(dna)"
-        cell.mutateButtonHandler = { [weak self] () -> Void in
-            
-            guard let `self` = self,
-                let dataStack = self.dataStack,
-                let organism = self.listMonitor?[indexPath] else {
-                    
-                    return
-            }
-            
-            self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-            self.setEnabled(false)
-            dataStack.perform(
-                asynchronous: { (transaction) in
-                    
-                    let organism = transaction.edit(organism) as! OrganismProtocol
-                    organism.mutate()
-                },
-                completion: { [weak self] _ in
-                    
-                    self?.setEnabled(true)
-                }
-            )
-        }
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    @objc dynamic func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-    }
-    
-    
-    // MARK: Private
-    
-    private typealias ModelMetadata = (label: String, entityType: NSManagedObject.Type, schemaHistory: SchemaHistory)
-    
-    private let models: [ModelMetadata] = [
-        (
-            label: "Model V1",
-            entityType: OrganismV1.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
-                ),
-                migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
-            )
-        ),
-        (
-            label: "Model V2",
-            entityType: OrganismV2.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: [
-                        "MigrationDemo": "MigrationDemoV2",
-                        "MigrationDemoV3": "MigrationDemoV2"
-                    ]
-                ),
-                migrationChain: [
-                    "MigrationDemo": "MigrationDemoV2",
-                    "MigrationDemoV3": "MigrationDemoV2"
-                ]
-            )
-        ),
-        (
-            label: "Model V3",
-            entityType: OrganismV3.self,
-            schemaHistory: SchemaHistory(
-                XcodeDataModelSchema.from(
-                    modelName: "MigrationDemo",
-                    migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
-                ),
-                migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
-            )
-        )
-    ]
-    
-    private var _listMonitor: ListMonitor<NSManagedObject>?
-    private var listMonitor: ListMonitor<NSManagedObject>? {
-        
-        return self._listMonitor
-    }
-    
-    private var _dataStack: DataStack?
-    private var dataStack: DataStack? {
-        
-        return self._dataStack
-    }
-    
-    private var _lastSelectedIndexPath: IndexPath?
-    private var lastSelectedIndexPath: IndexPath? {
-        
-        return self._lastSelectedIndexPath
-    }
-    
-    private func setSelectedIndexPath(_ indexPath: IndexPath, scrollToSelection: Bool) {
-        
-        self._lastSelectedIndexPath = indexPath
-        self.updateDisplay(reloadData: false, scrollToSelection: scrollToSelection, animated: true)
-    }
-    
-    @IBOutlet private dynamic weak var headerContainer: UIView?
-    @IBOutlet private dynamic weak var titleLabel: UILabel?
-    @IBOutlet private dynamic weak var organismLabel: UILabel?
-    @IBOutlet private dynamic weak var segmentedControl: UISegmentedControl?
-    @IBOutlet private dynamic weak var progressView: UIProgressView?
-    @IBOutlet private dynamic weak var tableView: UITableView?
-    
-    @IBAction private dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
-        
-        guard let index = self.segmentedControl?.selectedSegmentIndex else {
-            
-            return
-        }
-        
-        self.selectModelVersion(self.models[index])
-    }
-    
-    private func selectModelVersion(_ model: ModelMetadata) {
-        
-        if self.dataStack?.modelVersion == model.schemaHistory.currentModelVersion {
-            
-            return
-        }
-        
-        self.set(dataStack: nil, model: nil, scrollToSelection: false) // explicitly trigger NSPersistentStore cleanup by deallocating the stack
-        
-        let dataStack = DataStack(schemaHistory: model.schemaHistory)
-        
-        self.setEnabled(false)
-        let progress = dataStack.addStorage(
-            SQLiteStore(
-                fileName: "MigrationDemo.sqlite",
-                migrationMappingProviders: [
-                    CustomSchemaMappingProvider(
-                        from: "MigrationDemoV3",
-                        to: "MigrationDemoV2",
-                        entityMappings: [
-                            .transformEntity(
-                                sourceEntity: "Organism",
-                                destinationEntity: "Organism",
-                                transformer: { (source, createDestination) in
-                                    
-                                    let destination = createDestination()
-                                    destination.enumerateAttributes { (attribute, sourceAttribute) in
-                                        
-                                        if let sourceAttribute = sourceAttribute {
-                                            
-                                            destination[attribute] = source[sourceAttribute]
-                                        }
-                                    }
-                                    destination["numberOfFlippers"] = source["numberOfLimbs"]
-                                }
-                            )
-                        ]
-                    )
-                ]
-            ),
-            completion: { [weak self] (result) -> Void in
-                
-                guard let `self` = self else {
-                    
-                    return
-                }
-                
-                guard case .success = result else {
-                    
-                    self.setEnabled(true)
-                    return
-                }
-                
-                self.set(dataStack: dataStack, model: model, scrollToSelection: true)
-                
-                let count = dataStack.queryValue(
-                    From<NSManagedObject>(model.entityType)
-                        .select(Int.self, .count(#keyPath(OrganismV1.dna))))!
-                if count > 0 {
-                    
-                    self.setEnabled(true)
-                }
-                else {
-                    
-                    for i: Int64 in 0 ..< 20 {
-                        
-                        dataStack.perform(
-                            asynchronous: { (transaction) in
-                                
-                                for j: Int64 in 0 ..< 500 {
-                                    
-                                    let organism = transaction.create(Into(model.entityType)) as! OrganismProtocol
-                                    organism.dna = (i * 500) + j + 1
-                                    organism.mutate()
-                                }
-                            },
-                            completion: { _ in }
-                        )
-                    }
-                    dataStack.perform(
-                        asynchronous: { _ in },
-                        completion: { [weak self] _ in
-                    
-                            self?.setEnabled(true)
-                        }
-                    )
-                }
-            }
-        )
-        
-        if let progress = progress {
-            
-            progress.setProgressHandler { [weak self] (progress) -> Void in
-                
-                self?.reloadTableHeaderWithProgress(progress)
-            }
-        }
-    }
-    
-    private func setEnabled(_ enabled: Bool) {
-        
-        UIView.animate(
-            withDuration: 0.2,
-            delay: 0,
-            options: .beginFromCurrentState,
-            animations: { () -> Void in
-                
-                let navigationItem = self.navigationItem
-                navigationItem.leftBarButtonItem?.isEnabled = enabled
-                navigationItem.rightBarButtonItem?.isEnabled = enabled
-                navigationItem.hidesBackButton = !enabled
-                
-                self.segmentedControl?.isEnabled = enabled
-                
-                if let tableView = self.tableView {
-                    
-                    tableView.alpha = enabled ? 1.0 : 0.5
-                    tableView.isUserInteractionEnabled = enabled
-                }
-            },
-            completion: nil
-        )
-    }
-    
-    private func set(dataStack: DataStack?, model: ModelMetadata?, scrollToSelection: Bool) {
-        
-        if let dataStack = dataStack, let model = model {
-            
-            self.segmentedControl?.selectedSegmentIndex = self.models
-                .index(
-                    where: { (arg) -> Bool in
-                        
-                        let (_, _, schemaHistory) = arg
-                        return schemaHistory.currentModelVersion == model.schemaHistory.currentModelVersion
-                    }
-                )!
-            
-            self._dataStack = dataStack
-            let listMonitor = dataStack.monitorList(
-                From(model.entityType),
-                OrderBy<NSManagedObject>(.descending(#keyPath(OrganismV1.dna)))
-            )
-            listMonitor.addObserver(self)
-            self._listMonitor = listMonitor
-            
-            if self.lastSelectedIndexPath == nil  {
-                
-                if listMonitor.numberOfObjectsInSection(0) > 0 {
-                    
-                    self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: true)
-                }
-            }
-        }
-        else {
-           
-            self.segmentedControl?.selectedSegmentIndex = UISegmentedControlNoSegment
-            self._listMonitor = nil
-            self._dataStack = nil
-        }
-        
-        self.updateDisplay(reloadData: true, scrollToSelection: scrollToSelection, animated: false)
-    }
-    
-    private func reloadTableHeaderWithProgress(_ progress: Progress) {
-        
-        self.progressView?.setProgress(Float(progress.fractionCompleted), animated: true)
-        self.titleLabel?.text = "Migrating: \(progress.localizedDescription ?? "")"
-        self.organismLabel?.text = "Progressive step \(progress.localizedAdditionalDescription ?? "")"
-    }
-    
-    private func updateDisplay(reloadData: Bool, scrollToSelection: Bool, animated: Bool) {
-        
-        var lines = [String]()
-        var organismType = ""
-        if let indexPath = self.lastSelectedIndexPath, let organism = self.listMonitor?[indexPath] {
-            
-            for property in organism.entity.properties {
-                
-                let value = organism.value(forKey: property.name) ?? NSNull()
-                lines.append("\(property.name): \(value)")
-            }
-            organismType = organism.entity.managedObjectClassName
-        }
-        
-        self.titleLabel?.text = organismType
-        self.organismLabel?.text = lines.joined(separator: "\n")
-        self.progressView?.progress = 0
-        
-        self.headerContainer?.setNeedsLayout()
-        
-        guard let tableView = self.tableView else {
-            
-            return
-        }
-        
-        if reloadData {
-            
-            tableView.reloadData()
-        }
-        
-        tableView.layoutIfNeeded()
-        
-        if let indexPath = self.lastSelectedIndexPath,
-            indexPath.row < tableView.numberOfRows(inSection: 0) {
-            
-            tableView.selectRow(at: indexPath,
-                animated: scrollToSelection && animated,
-                scrollPosition: scrollToSelection ? .middle : .none
-            )
-        }
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/MyAppModel.xcdatamodeld/MyAppModel.xcdatamodel/contents

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="8166.2" systemVersion="14E46" minimumToolsVersion="Xcode 7.0">
-    <elements/>
-</model>

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismProtocol.swift

@@ -1,16 +0,0 @@
-//
-//  OrganismProtocol.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-
-protocol OrganismProtocol: class {
-    
-    var dna: Int64 { get set }
-    
-    func mutate()
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismTableViewCell.swift

@@ -1,22 +0,0 @@
-//
-//  OrganismTableViewCell.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/07/12.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-
-class OrganismTableViewCell: UITableViewCell {
-
-    @IBOutlet weak dynamic var dnaLabel: UILabel?
-    @IBOutlet weak dynamic var mutateButton: UIButton?
-    
-    var mutateButtonHandler: (() -> Void)?
-
-    @IBAction dynamic func mutateButtonTouchUpInside(_ sender: UIButton?) {
-     
-        self.mutateButtonHandler?()
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV1.swift

@@ -1,25 +0,0 @@
-//
-//  OrganismV1.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV1: NSManagedObject, OrganismProtocol {
-
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV2.swift

@@ -1,27 +0,0 @@
-//
-//  OrganismV2.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV2: NSManagedObject, OrganismProtocol {
-    
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    @NSManaged var numberOfFlippers: Int32
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-        self.numberOfFlippers = Int32(arc4random_uniform(9) / 2 * 2)
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV2ToV3MigrationPolicy.swift

@@ -1,29 +0,0 @@
-//
-//  OrganismV2ToV3MigrationPolicy.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import CoreData
-
-class OrganismV2ToV3MigrationPolicy: NSEntityMigrationPolicy {
-    
-    override func createDestinationInstances(forSource sInstance: NSManagedObject, in mapping: NSEntityMapping, manager: NSMigrationManager) throws {
-        
-        try super.createDestinationInstances(forSource: sInstance, in: mapping, manager: manager)
-        
-        for dInstance in manager.destinationInstances(forEntityMappingName: mapping.name, sourceInstances: [sInstance]) {
-            
-            dInstance.setValue(
-                false,
-                forKey: #keyPath(OrganismV3.hasVertebrae)
-            )
-            dInstance.setValue(
-                sInstance.value(forKey: #keyPath(OrganismV2.numberOfFlippers)),
-                forKey: #keyPath(OrganismV3.numberOfLimbs)
-            )
-        }
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV3.swift

@@ -1,29 +0,0 @@
-//
-//  OrganismV3.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class OrganismV3: NSManagedObject, OrganismProtocol {
-    
-    @NSManaged var dna: Int64
-    @NSManaged var hasHead: Bool
-    @NSManaged var hasTail: Bool
-    @NSManaged var numberOfLimbs: Int32
-    @NSManaged var hasVertebrae: Bool
-    
-    // MARK: OrganismProtocol
-    
-    func mutate() {
-        
-        self.hasHead = arc4random_uniform(2) == 1
-        self.hasTail = arc4random_uniform(2) == 1
-        self.numberOfLimbs = Int32(arc4random_uniform(9) / 2 * 2)
-        self.hasVertebrae = arc4random_uniform(2) == 1
-    }
-}

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemo.xcdatamodel/contents

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11198.3" systemVersion="15F34" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
-    <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV1" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasHead" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasTail" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-    </entity>
-    <elements>
-        <element name="Organism" positionX="-36" positionY="9" width="128" height="90"/>
-    </elements>
-</model>

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemoV2.xcdatamodel/contents

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11198.3" systemVersion="15F34" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
-    <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV2" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasHead" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasTail" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="numberOfFlippers" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-    </entity>
-    <elements>
-        <element name="Organism" positionX="-36" positionY="9" width="128" height="105"/>
-    </elements>
-</model>

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemoV3.xcdatamodel/contents

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="12141" systemVersion="16E195" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
-    <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV3" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasHead" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasTail" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hasVertebrae" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="numberOfLimbs" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" elementID="numberOfFlippers" syncable="YES"/>
-    </entity>
-    <elements>
-        <element name="Organism" positionX="-36" positionY="9" width="128" height="120"/>
-    </elements>
-</model>

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/FemaleAccount.swift

@@ -1,15 +0,0 @@
-//
-//  FemaleAccount.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class FemaleAccount: UserAccount {
-
-
-}

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/MaleAccount.swift

@@ -1,15 +0,0 @@
-//
-//  MaleAccount.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/06/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-class MaleAccount: UserAccount {
-
-
-}

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/StackSetupDemoViewController.swift

@@ -1,196 +0,0 @@
-//
-//  StackSetupDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreStore
-
-
-private struct Static {
-    
-    static let maleConfiguration = "MaleAccounts"
-    static let femaleConfiguration = "FemaleAccounts"
-    
-    static let facebookStack: DataStack = {
-        
-        let dataStack = DataStack(xcodeModelName: "StackSetupDemo")
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "AccountsDemo_FB_Male.sqlite",
-                configuration: maleConfiguration,
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "AccountsDemo_FB_Female.sqlite",
-                configuration: femaleConfiguration,
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        
-        _ = try? dataStack.perform(
-            synchronous: { (transaction) in
-                
-                transaction.deleteAll(From<UserAccount>())
-                
-                let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
-                account1.accountType = "Facebook"
-                account1.name = "John Smith HCD"
-                account1.friends = 42
-                
-                let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
-                account2.accountType = "Facebook"
-                account2.name = "Jane Doe HCD"
-                account2.friends = 314
-            }
-        )
-        
-        return dataStack
-    }()
-    
-    static let twitterStack: DataStack = {
-        
-        let dataStack = DataStack(xcodeModelName: "StackSetupDemo")
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "AccountsDemo_TW_Male.sqlite",
-                configuration: maleConfiguration,
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        try! dataStack.addStorageAndWait(
-            SQLiteStore(
-                fileName: "AccountsDemo_TW_Female.sqlite",
-                configuration: femaleConfiguration,
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        
-        _ = try? dataStack.perform(
-            synchronous: { (transaction) in
-                
-                transaction.deleteAll(From<UserAccount>())
-                
-                let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
-                account1.accountType = "Twitter"
-                account1.name = "#johnsmith_hcd"
-                account1.friends = 7
-                
-                let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
-                account2.accountType = "Twitter"
-                account2.name = "#janedoe_hcd"
-                account2.friends = 100
-            }
-        )
-        return dataStack
-    }()
-}
-
-
-
-
-// MARK: - StackSetupDemoViewController
-
-class StackSetupDemoViewController: UITableViewController {
-    
-    let accounts = [
-        Static.facebookStack.fetchAll(From(UserAccount.self)) ?? [],
-        Static.twitterStack.fetchAll(From(UserAccount.self)) ?? []
-    ]
-    
-    
-    // MARK: UIViewController
-    
-    override func viewWillAppear(_ animated: Bool) {
-        
-        super.viewWillAppear(animated)
-        
-        self.tableView.reloadData()
-        
-        let indexPath = IndexPath(row: 0, section: 0)
-        self.tableView.selectRow(at: indexPath, animated: false, scrollPosition: .none)
-        self.updateDetails(account: self.accounts[indexPath.section][indexPath.row])
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Setup Demo",
-            message: "This demo shows how to initialize 2 DataStacks with 2 configurations each, for a total of 4 SQLite files, each with 1 instance of a \"UserAccount\" entity.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-    
-    
-    // MARK: UITableViewDataSource
-    
-    override func numberOfSections(in tableView: UITableView) -> Int {
-        
-        return self.accounts.count
-    }
-    
-    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.accounts[section].count
-    }
-    
-    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")!
-        
-        let account = self.accounts[indexPath.section][indexPath.row]
-        cell.textLabel?.text = account.name
-        cell.detailTextLabel?.text = "\(account.friends) friends"
-        
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        
-        let account = self.accounts[indexPath.section][indexPath.row]
-        self.updateDetails(account: account)
-    }
-    
-    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-        
-        switch section {
-            
-        case 0:
-            let count = self.accounts[section].count
-            return "Facebook Accounts (\(count) users)"
-            
-        case 1:
-            let count = self.accounts[section].count
-            return "Twitter Accounts (\(count) users)"
-            
-        default:
-            return nil
-        }
-    }
-    
-    
-    // MARK: Private
-    
-    @IBOutlet private dynamic weak var accountTypeLabel: UILabel?
-    @IBOutlet private dynamic weak var nameLabel: UILabel?
-    @IBOutlet private dynamic weak var friendsLabel: UILabel?
-    
-    private func updateDetails(account: UserAccount) {
-        
-        self.accountTypeLabel?.text = account.accountType
-        self.nameLabel?.text = account.name
-        self.friendsLabel?.text = "\(account.friends) friends"
-    }
-}

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/UserAccount.swift

@@ -1,20 +0,0 @@
-//
-//  UserAccount.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-
-
-// MARK: - UserAccount
-
-class UserAccount: NSManagedObject {
-    
-    @NSManaged var accountType: String?
-    @NSManaged var name: String?
-    @NSManaged var friends: Int32
-}

CoreStoreDemo/CoreStoreDemo/StackSetupDemo.xcdatamodeld/StackSetupDemo.xcdatamodel/contents

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="7701" systemVersion="14D136" minimumToolsVersion="Xcode 4.3" macOSVersion="Automatic" iOSVersion="Automatic">
-    <entity name="FemaleAccount" representedClassName="CoreStoreDemo.FemaleAccount" parentEntity="UserAccount" syncable="YES"/>
-    <entity name="MaleAccount" representedClassName="CoreStoreDemo.MaleAccount" parentEntity="UserAccount" syncable="YES"/>
-    <entity name="UserAccount" representedClassName="CoreStoreDemo.UserAccount" isAbstract="YES" syncable="YES">
-        <attribute name="accountType" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="friends" optional="YES" attributeType="Integer 32" defaultValueString="0" syncable="YES"/>
-        <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
-    </entity>
-    <configuration name="FemaleAccounts">
-        <memberEntity name="FemaleAccount"/>
-        <memberEntity name="UserAccount"/>
-    </configuration>
-    <configuration name="MaleAccounts">
-        <memberEntity name="MaleAccount"/>
-        <memberEntity name="UserAccount"/>
-    </configuration>
-    <elements>
-        <element name="UserAccount" positionX="-63" positionY="-18" width="128" height="90"/>
-        <element name="MaleAccount" positionX="-54" positionY="18" width="128" height="45"/>
-        <element name="FemaleAccount" positionX="-36" positionY="27" width="128" height="45"/>
-    </elements>
-</model>

CoreStoreDemo/CoreStoreDemo/Transactions Demo/Place.swift

@@ -1,50 +0,0 @@
-//
-//  Place.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import Foundation
-import CoreData
-import MapKit
-
-
-// MARK: - Place
-
-class Place: NSManagedObject, MKAnnotation {
-
-    @NSManaged var latitude: Double
-    @NSManaged var longitude: Double
-    @NSManaged var title: String?
-    @NSManaged var subtitle: String?
-    
-    func setInitialValues() {
-        
-        self.latitude = Double(arc4random_uniform(180)) - 90
-        self.longitude = Double(arc4random_uniform(360)) - 180
-        self.title = "\(self.latitude), \(self.longitude)"
-        self.subtitle = nil
-    }
-    
-    // MARK: MKAnnotation
-    
-    var coordinate: CLLocationCoordinate2D {
-    
-        get {
-            
-            return CLLocationCoordinate2DMake(
-                self.latitude,
-                self.longitude
-            )
-        }
-        set {
-            
-            self.latitude = newValue.latitude
-            self.longitude = newValue.longitude
-            self.title = "\(self.latitude), \(self.longitude)"
-            self.subtitle = nil
-        }
-    }
-}

CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift

@@ -1,218 +0,0 @@
-//
-//  TransactionsDemoViewController.swift
-//  CoreStoreDemo
-//
-//  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
-//
-
-import UIKit
-import CoreLocation
-import MapKit
-import AddressBookUI
-import CoreStore
-
-
-private struct Static {
-    
-    static let placeController: ObjectMonitor<Place> = {
-        
-        try! CoreStore.addStorageAndWait(
-            SQLiteStore(
-                fileName: "PlaceDemo.sqlite",
-                configuration: "TransactionsDemo",
-                localStorageOptions: .recreateStoreOnModelMismatch
-            )
-        )
-        
-        var place = CoreStore.fetchOne(From<Place>())
-        if place == nil {
-            
-            _ = try? CoreStore.perform(
-                synchronous: { (transaction) in
-                    
-                    let place = transaction.create(Into<Place>())
-                    place.setInitialValues()
-                }
-            )
-            place = CoreStore.fetchOne(From<Place>())
-        }
-        
-        return CoreStore.monitorObject(place!)
-    }()
-}
-
-
-// MARK: - TransactionsDemoViewController
-
-class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, ObjectObserver {
-    
-    // MARK: NSObject
-    
-    deinit {
-        
-        Static.placeController.removeObserver(self)
-    }
-    
-    
-    // MARK: UIViewController
-    
-    override func viewDidLoad() {
-        
-        super.viewDidLoad()
-        
-        let longPressGesture = UILongPressGestureRecognizer(
-            target: self,
-            action: #selector(self.longPressGestureRecognized(_:))
-        )
-        self.mapView?.addGestureRecognizer(longPressGesture)
-        
-        Static.placeController.addObserver(self)
-        
-        self.navigationItem.rightBarButtonItem = UIBarButtonItem(
-            barButtonSystemItem: .refresh,
-            target: self,
-            action: #selector(self.refreshButtonTapped(_:))
-        )
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        
-        super.viewDidAppear(animated)
-        
-        let alert = UIAlertController(
-            title: "Transactions Demo",
-            message: "This demo shows how to use the 3 types of transactions to save updates: synchronous, asynchronous, and unsafe.\n\nTap and hold on the map to change the pin location.",
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
-        self.present(alert, animated: true, completion: nil)
-    }
-    
-    override func viewWillAppear(_ animated: Bool) {
-        
-        super.viewWillAppear(animated)
-        
-        if let mapView = self.mapView, let place = Static.placeController.object {
-            
-            mapView.addAnnotation(place)
-            mapView.setCenter(place.coordinate, animated: false)
-            mapView.selectAnnotation(place, animated: false)
-        }
-    }
-    
-    
-    // MARK: MKMapViewDelegate
-    
-    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
-        
-        let identifier = "MKAnnotationView"
-        var annotationView: MKPinAnnotationView! = mapView.dequeueReusableAnnotationView(withIdentifier: identifier) as? MKPinAnnotationView
-        if annotationView == nil {
-            
-            annotationView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: identifier)
-            annotationView.isEnabled = true
-            annotationView.canShowCallout = true
-            annotationView.animatesDrop = true
-        }
-        else {
-            
-            annotationView.annotation = annotation
-        }
-        
-        return annotationView
-    }
-    
-    
-    // MARK: ObjectObserver
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Place>, willUpdateObject object: Place) {
-        
-        // none
-    }
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Place>, didUpdateObject object: Place, changedPersistentKeys: Set<KeyPathString>) {
-        
-        if let mapView = self.mapView {
-            
-            mapView.removeAnnotations(mapView.annotations)
-            mapView.addAnnotation(object)
-            mapView.setCenter(object.coordinate, animated: true)
-            mapView.selectAnnotation(object, animated: true)
-            
-            if changedPersistentKeys.contains(#keyPath(Place.latitude)) || changedPersistentKeys.contains(#keyPath(Place.longitude)) {
-                
-                self.geocode(place: object)
-            }
-        }
-    }
-    
-    func objectMonitor(_ monitor: ObjectMonitor<Place>, didDeleteObject object: Place) {
-        
-        // none
-    }
-
-    
-    // MARK: Private
-    
-    var geocoder: CLGeocoder?
-    
-    @IBOutlet weak var mapView: MKMapView?
-    
-    @IBAction dynamic func longPressGestureRecognized(_ sender: AnyObject?) {
-        
-        if let mapView = self.mapView,
-            let gesture = sender as? UILongPressGestureRecognizer,
-            gesture.state == .began {
-            
-            let coordinate = mapView.convert(
-                gesture.location(in: mapView),
-                toCoordinateFrom: mapView
-            )
-            CoreStore.perform(
-                asynchronous: { (transaction) in
-                    
-                    let place = transaction.edit(Static.placeController.object)
-                    place?.coordinate = coordinate
-                },
-                completion: { _ in }
-            )
-        }
-    }
-    
-    @IBAction dynamic func refreshButtonTapped(_ sender: AnyObject?) {
-        
-        _ = try? CoreStore.perform(
-            synchronous: { (transaction) in
-                
-                let place = transaction.edit(Static.placeController.object)
-                place?.setInitialValues()
-            }
-        )
-    }
-    
-    func geocode(place: Place) {
-        
-        let transaction = CoreStore.beginUnsafe()
-        
-        self.geocoder?.cancelGeocode()
-        
-        let geocoder = CLGeocoder()
-        self.geocoder = geocoder
-        geocoder.reverseGeocodeLocation(
-            CLLocation(latitude: place.latitude, longitude: place.longitude),
-            completionHandler: { [weak self] (placemarks, error) -> Void in
-                
-                if let placemark = placemarks?.first, let addressDictionary = placemark.addressDictionary {
-                    
-                    let place = transaction.edit(Static.placeController.object)
-                    place?.title = placemark.name
-                    place?.subtitle = ABCreateStringWithAddressDictionary(addressDictionary, true)
-                    transaction.commit { (_) -> Void in }
-                }
-                
-                self?.geocoder = nil
-            }
-        )
-    }
-}

CoreStoreTests/BaseTestCase.swift

@@ -2,7 +2,7 @@
 //  BaseTestCase.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -28,6 +28,17 @@ import XCTest
 @testable
 import CoreStore
 
+#if !SWIFT_PACKAGE
+
+extension Bundle {
+    
+    static var module: Bundle {
+        return Bundle(for: BaseTestCase.self)
+    }
+}
+
+#endif
+
 
 // MARK: - BaseTestCase
 
@@ -36,12 +47,11 @@ class BaseTestCase: XCTestCase {
     // MARK: Internal
     
     @nonobjc
-    @discardableResult
+    func prepareStack(configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) throws -> Void) {
-    func prepareStack<T>(configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) -> T) -> T {
         
         let stack = DataStack(
             xcodeModelName: "Model",
-            bundle: Bundle(for: type(of: self))
+            bundle: Bundle.module
         )
         do {
             
@@ -51,36 +61,66 @@ class BaseTestCase: XCTestCase {
                     SQLiteStore(
                         fileURL: SQLiteStore.defaultRootDirectory
                             .appendingPathComponent(UUID().uuidString)
-                            .appendingPathComponent("\(type(of: self))_\(($0 ?? "-null-")).sqlite"),
+                            .appendingPathComponent("\(Self.self)_\(($0 ?? "-null-")).sqlite"),
                         configuration: $0,
                         localStorageOptions: .recreateStoreOnModelMismatch
                     )
                 )
             }
+            try closure(stack)
         }
         catch let error as NSError {
             
             XCTFail(error.coreStoreDumpString)
         }
-        return closure(stack)
+        self.addTeardownBlock {
+            stack.unsafeRemoveAllPersistentStoresAndWait()
+        }
     }
     
     @nonobjc
-    func expectLogger<T>(_ expectations: [TestLogger.Expectation], closure: () -> T) -> T {
+    func expectLogger<T>(_ expectations: [TestLogger.Expectation], closure: () throws -> T) rethrows -> T {
         
-        CoreStore.logger = TestLogger(self.prepareLoggerExpectations(expectations))
+        CoreStoreDefaults.logger = TestLogger(self.prepareLoggerExpectations(expectations))
         defer {
             
             self.checkExpectationsImmediately()
-            CoreStore.logger = TestLogger([:])
+            CoreStoreDefaults.logger = TestLogger([:])
         }
-        return closure()
+        return try closure()
     }
     
     @nonobjc
     func expectLogger(_ expectations: [TestLogger.Expectation: XCTestExpectation]) {
         
-        CoreStore.logger = TestLogger(expectations)
+        CoreStoreDefaults.logger = TestLogger(expectations)
+    }
+
+    @nonobjc
+    func expectError<T>(code: CoreStoreErrorCode, closure: () throws -> T) {
+
+        CoreStoreDefaults.logger = TestLogger(self.prepareLoggerExpectations([.logError]))
+        defer {
+
+            self.checkExpectationsImmediately()
+            CoreStoreDefaults.logger = TestLogger([:])
+        }
+        do {
+
+            _ = try closure()
+        }
+        catch let error as CoreStoreError {
+
+            if error.errorCode == code.rawValue {
+
+                return
+            }
+            XCTFail("Expected error code \(code) different from actual error: \((error as NSError).coreStoreDumpString)")
+        }
+        catch {
+
+            XCTFail("Error not wrapped as \(Internals.typeName(CoreStoreError.self)): \((error as NSError).coreStoreDumpString)")
+        }
     }
     
     @nonobjc
@@ -112,12 +152,12 @@ class BaseTestCase: XCTestCase {
         
         super.setUp()
         self.deleteStores()
-        CoreStore.logger = TestLogger([:])
+        CoreStoreDefaults.logger = TestLogger([:])
     }
     
     override func tearDown() {
         
-        CoreStore.logger = DefaultLogger()
+        CoreStoreDefaults.logger = DefaultLogger()
         self.deleteStores()
         super.tearDown()
     }

CoreStoreTests/BaseTestDataTestCase.swift

@@ -2,7 +2,7 @@
 //  BaseTestDataTestCase.swift
 //  CoreStore
 //
-//  Copyright © 2017 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -34,7 +34,7 @@ import CoreStore
 class BaseTestDataTestCase: BaseTestCase {
     
     @nonobjc
-    let dateFormatter: DateFormatter = cs_lazy {
+    let dateFormatter: DateFormatter = Internals.with {
         
         let formatter = DateFormatter()
         formatter.locale = Locale(identifier: "en_US_POSIX")

CoreStoreTests/BridgingTests.m

@@ -1,257 +0,0 @@
-//
-//  BridgingTests.m
-//  CoreStore
-//
-//  Copyright © 2016 John Rommel Estropia
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in all
-//  copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-//  SOFTWARE.
-//
-
-#import "BridgingTests.h"
-#import <CoreStore/CoreStore.h>
-#import <CoreStore/CoreStore-Swift.h>
-#import "CoreStoreTests-Swift.h"
-
-@import CoreData;
-
-// MARK: - BridgingTests
-
-@implementation BridgingTests
-
-- (void)test_ThatFlags_HaveCorrectValues {
-    
-    XCTAssertEqual(CSLocalStorageOptionsNone, 0);
-    XCTAssertEqual(CSLocalStorageOptionsRecreateStoreOnModelMismatch, 1);
-    XCTAssertEqual(CSLocalStorageOptionsPreventProgressiveMigration, 2);
-    XCTAssertEqual(CSLocalStorageOptionsAllowSynchronousLightweightMigration, 4);
-}
-
-- (void)test_ThatKeyPaths_AreCorrect {
-    
-    XCTAssertEqualObjects(CSKeyPath(TestEntity1, testNumber), @"testNumber");
-    XCTAssertEqualObjects(CSKeyPath(TestEntity1, testString), @"testString");
-    XCTAssertEqualObjects(CSKeyPathOperator(count, TestEntity1, testString), @"@count.testString");
-    XCTAssertEqualObjects(CSKeyPathOperator(max, TestEntity1, testNumber), @"@max.testNumber");
-}
-
-- (void)test_ThatFromClauses_BridgeCorrectly {
-    
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        XCTAssertNil(from.configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], [NSNull null]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[[NSNull null]];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], @"Config1");
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[@"Config1"];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-    {
-        CSFrom *from = CSFromClass([TestEntity1 class], @[[NSNull null], @"Config2"]);
-        XCTAssertEqualObjects(from.entityClass, [TestEntity1 class]);
-        
-        NSArray *configurations = @[[NSNull null], @"Config2"];
-        XCTAssertEqualObjects(from.configurations, configurations);
-    }
-}
-
-- (void)test_ThatWhereClauses_BridgeCorrectly {
-    
-    {
-        CSWhere *where = CSWhereFormat(@"%K == %@", @"key", @"value");
-        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-    {
-        CSWhere *where = CSWhereValue(YES);
-        NSPredicate *predicate = [NSPredicate predicateWithValue:YES];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-    {
-        CSWhere *where = CSWherePredicate([NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"]);
-        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"%K == %@", @"key", @"value"];
-        XCTAssertEqualObjects(where.predicate, predicate);
-    }
-}
-
-- (void)test_ThatOrderByClauses_BridgeCorrectly {
-    
-    {
-        CSOrderBy *orderBy = CSOrderByKey(CSSortAscending(@"key"));
-        XCTAssertEqualObjects(orderBy.sortDescriptors, @[[NSSortDescriptor sortDescriptorWithKey:@"key" ascending:YES]]);
-    }
-    {
-        CSOrderBy *orderBy = CSOrderByKey(CSSortDescending(@"key"));
-        XCTAssertEqualObjects(orderBy.sortDescriptors, @[[NSSortDescriptor sortDescriptorWithKey:@"key" ascending:NO]]);
-    }
-    {
-        CSOrderBy *orderBy = CSOrderByKeys(CSSortAscending(@"key1"), CSSortDescending(@"key2"), nil);
-        NSArray *sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"key1" ascending:YES],
-                                     [NSSortDescriptor sortDescriptorWithKey:@"key2" ascending:NO]];
-        XCTAssertEqualObjects(orderBy.sortDescriptors, sortDescriptors);
-    }
-}
-
-- (void)test_ThatGroupByClauses_BridgeCorrectly {
-    
-    {
-        CSGroupBy *groupBy = CSGroupByKeyPath(@"key");
-        XCTAssertEqualObjects(groupBy.keyPaths, @[@"key"]);
-    }
-    {
-        CSGroupBy *groupBy = CSGroupByKeyPaths(@[@"key1", @"key2"]);
-        
-        NSArray *keyPaths = @[@"key1", @"key2"];
-        XCTAssertEqualObjects(groupBy.keyPaths, keyPaths);
-    }
-}
-
-- (void)test_ThatTweakClauses_BridgeCorrectly {
-    
-    CSTweak *tweak = CSTweakRequest(^(NSFetchRequest * _Nonnull fetchRequest) {
-        
-        fetchRequest.fetchLimit = 100;
-    });
-    NSFetchRequest *request = [NSFetchRequest new];
-    tweak.block(request);
-    XCTAssertEqual(request.fetchLimit, 100);
-}
-
-- (void)test_ThatIntoClauses_BridgeCorrectly {
-    
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class]);
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-    }
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class], [NSNull null]);
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-        XCTAssertNil(into.configuration);
-    }
-    {
-        CSInto *into = CSIntoClass([TestEntity1 class], @"Config1");
-        XCTAssertEqualObjects(into.entityClass, [TestEntity1 class]);
-        XCTAssertEqualObjects(into.configuration, @"Config1");
-    }
-}
-
-- (void)test_ThatDataStacks_BridgeCorrectly {
-    
-    CSDataStack *dataStack = [[CSDataStack alloc]
-                              initWithXcodeModelName:@"Model"
-                              bundle:[NSBundle bundleForClass:[self class]]
-                              versionChain:nil];
-    XCTAssertNotNil(dataStack);
-    
-    [CSCoreStore setDefaultStack:dataStack];
-    XCTAssertTrue([dataStack isEqual:[CSCoreStore defaultStack]]);
-}
-
-- (void)test_ThatStorages_BridgeCorrectly {
-    
-    NSError *memoryError;
-    CSInMemoryStore *memoryStorage = [CSCoreStore
-                                      addInMemoryStorageAndWait:[CSInMemoryStore new]
-                                      error:&memoryError];
-    XCTAssertNotNil(memoryStorage);
-    XCTAssertEqualObjects([[memoryStorage class] storeType], [CSInMemoryStore storeType]);
-    XCTAssertEqualObjects([[memoryStorage class] storeType], NSInMemoryStoreType);
-    XCTAssertNil(memoryStorage.configuration);
-    XCTAssertNil(memoryStorage.storeOptions);
-    XCTAssertNil(memoryError);
-    
-    NSError *sqliteError;
-    CSSQLiteStore *sqliteStorage = [CSCoreStore
-                                    addSQLiteStorageAndWait:[CSSQLiteStore new]
-                                    error:&sqliteError];
-    XCTAssertNotNil(sqliteStorage);
-    XCTAssertEqualObjects([[sqliteStorage class] storeType], [CSSQLiteStore storeType]);
-    XCTAssertEqualObjects([[sqliteStorage class] storeType], NSSQLiteStoreType);
-    XCTAssertNil(sqliteStorage.configuration);
-    XCTAssertEqualObjects(sqliteStorage.storeOptions, @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" } });
-    XCTAssertNil(sqliteError);
-}
-
-- (void)test_ThatTransactions_BridgeCorrectly {
-    
-    [CSCoreStore
-     setDefaultStack:[[CSDataStack alloc]
-                      initWithXcodeModelName:@"Model"
-                      bundle:[NSBundle bundleForClass:[self class]]
-                      versionChain:nil]];
-    [CSCoreStore
-     addInMemoryStorageAndWait:[CSInMemoryStore new]
-     error:nil];
-    
-    {
-        CSUnsafeDataTransaction *transaction = [CSCoreStore beginUnsafe];
-        XCTAssertNotNil(transaction);
-        XCTAssert([transaction isKindOfClass:[CSUnsafeDataTransaction class]]);
-        NSError *error;
-        BOOL result = [transaction commitAndWaitWithError:&error];
-        XCTAssertTrue(result);
-        XCTAssertNil(error);
-    }
-    {
-        XCTestExpectation *expectation = [self expectationWithDescription:@"sync"];
-        NSError *error;
-        BOOL result = [CSCoreStore
-         beginSynchronous:^(CSSynchronousDataTransaction * _Nonnull transaction) {
-             
-             XCTAssertNotNil(transaction);
-             XCTAssert([transaction isKindOfClass:[CSSynchronousDataTransaction class]]);
-             NSError *error;
-             XCTAssertTrue([transaction commitAndWaitWithError:&error]);
-             XCTAssertNil(error);
-             [expectation fulfill];
-         }
-                       error:&error];
-        XCTAssertTrue(result);
-        XCTAssertNil(error);
-    }
-    {
-        XCTestExpectation *expectation = [self expectationWithDescription:@"async"];
-        [CSCoreStore beginAsynchronous:^(CSAsynchronousDataTransaction * _Nonnull transaction) {
-            
-            XCTAssertNotNil(transaction);
-            XCTAssert([transaction isKindOfClass:[CSAsynchronousDataTransaction class]]);
-            [transaction
-             commitWithSuccess:^{
-                 
-                 [expectation fulfill];
-             }
-             failure:^(CSError *error){
-                 
-                 XCTFail();
-             }];
-        }];
-    }
-    [self waitForExpectationsWithTimeout:10 handler:nil];
-}
-
-@end

CoreStoreTests/ConvenienceTests.swift

@@ -2,7 +2,7 @@
 //  ConvenienceTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,13 +23,15 @@
 //  SOFTWARE.
 //
 
+import CoreData
+import XCTest
+
 @testable
 import CoreStore
 
 
 // MARK: - ConvenienceTests
 
-@available(OSX 10.12, *)
 class ConvenienceTests: BaseTestCase {
     
     @objc
@@ -64,7 +66,7 @@ class ConvenienceTests: BaseTestCase {
         
         self.prepareStack { (stack) in
             
-            _ = withExtendedLifetime(stack.beginUnsafe()) { (transaction: UnsafeDataTransaction) in
+            withExtendedLifetime(stack.beginUnsafe()) { (transaction: UnsafeDataTransaction) in
                 
                 let controller = transaction.createFetchedResultsController(
                     From<TestEntity1>(),

CoreStoreTests/CoreStoreTests-Bridging-Header.h

@@ -1,5 +0,0 @@
-//
-//  Use this file to import your target's public headers that you would like to expose to Swift.
-//
-
-#import "BridgingTests.h"

CoreStoreTests/DynamicModelTests.swift

@@ -2,7 +2,7 @@
 //  DynamicModelTests.swift
 //  CoreStore
 //
-//  Copyright © 2017 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -28,81 +28,158 @@ import XCTest
 @testable
 import CoreStore
 
-#if os(OSX)
+#if os(macOS)
     typealias Color = NSColor
+
 #else
-    
     typealias Color = UIColor
+
 #endif
 
 class Animal: CoreStoreObject {
-    
+
-    let species = Value.Required<String>("species", initial: "Swift")
+    @Field.Stored("species")
-    let master = Relationship.ToOne<Person>("master")
+    var species: String = "Swift"
-    let color = Transformable.Optional<Color>("color")
+
+    @Field.Coded("color", coder: FieldCoders.NSCoding.self)
+    var color: Color? = .blue
+
+    @Field.Relationship("master")
+    var master: Person?
 }
 
 class Dog: Animal {
     
-    let nickname = Value.Optional<String>("nickname")
+    static let commonNicknames = ["Spot", "Benjie", "Max", "Milo"]
-    let age = Value.Required<Int>("age", initial: 1)
+
-    let friends = Relationship.ToManyOrdered<Dog>("friends")
+    @Field.Stored(
-    let friendedBy = Relationship.ToManyUnordered<Dog>("friendedBy", inverse: { $0.friends })
+        "nickname",
+        dynamicInitialValue: {
+            commonNicknames.randomElement()!
+        }
+    )
+    var nickname: String
+
+    @Field.Stored("age")
+    var age: Int = 1
+
+    @Field.Relationship("friends")
+    var friends: [Dog]
+
+    @Field.Relationship("friendedBy", inverse: \.$friends)
+    var friendedBy: Set<Dog>
+}
+
+struct CustomType {
+    var string = "customString"
+}
+
+enum Job: String, CaseIterable {
+
+    case unemployed
+    case engineer
+    case doctor
+    case lawyer
+
+    init?(data: Data) {
+
+        guard
+            let rawValue = String(data: data, encoding: .utf8),
+            let value = Self.init(rawValue: rawValue)
+            else {
+
+            return nil
+        }
+        self = value
+    }
+
+    func toData() -> Data {
+
+        return Data(self.rawValue.utf8)
+    }
 }
 
 class Person: CoreStoreObject {
-    
+
-    let title = Value.Required<String>(
+    @Field.Stored(
         "title",
-        initial: "Mr.",
+        customSetter: { (object, field, newValue) in
-        customSetter: Person.setTitle
+            field.primitiveValue = newValue
+            object.$displayName.primitiveValue = nil
+        }
     )
-    
+    var title: String = "Mr."
-    let name = Value.Required<String>(
+
+    @Field.Stored(
         "name",
-        initial: "",
+        customSetter: { (object, field, newValue) in
-        customSetter: Person.setName
+            field.primitiveValue = newValue
+            object.$displayName.primitiveValue = nil
+        }
     )
-    
+    var name: String = ""
-    let displayName = Value.Optional<String>(
+
+    @Field.Virtual(
         "displayName",
-        isTransient: true,
+        customGetter: Person.getDisplayName(_:_:),
-        customGetter: Person.getDisplayName(_:),
         affectedByKeyPaths: Person.keyPathsAffectingDisplayName()
     )
-    
+    var displayName: String?
-    let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master })
+
-    
+    @Field.Virtual(
-    private static func setTitle(_ partialObject: PartialObject<Person>, _ newValue: String) {
+        "customType",
-        
+        customGetter: { (object, field) in
-        partialObject.setPrimitiveValue(newValue, for: { $0.title })
+
-        partialObject.setPrimitiveValue(nil, for: { $0.displayName })
+            if let value = field.primitiveValue {
-    }
+
-    
+                return value
-    private static func setName(_ partialObject: PartialObject<Person>, _ newValue: String) {
+            }
-        
+            let value = CustomType()
-        partialObject.setPrimitiveValue(newValue, for: { $0.name })
+            field.primitiveValue = value
-        partialObject.setPrimitiveValue(nil, for: { $0.displayName })
+            return value
-    }
-    
-    static func getDisplayName(_ partialObject: PartialObject<Person>) -> String? {
-        
-        if let displayName = partialObject.primitiveValue(for: { $0.displayName }) {
-            
-            return displayName
         }
-        let title = partialObject.value(for: { $0.title })
+    )
-        let name = partialObject.value(for: { $0.name })
+    var customField: CustomType
-        let displayName = "\(title) \(name)"
+
-        partialObject.setPrimitiveValue(displayName, for: { $0.displayName })
+    @Field.Coded(
-        return displayName
+        "job",
+        coder: (
+            encode: { $0.toData() },
+            decode: { $0.flatMap(Job.init(data:)) ?? .unemployed }
+        ),
+        dynamicInitialValue: {
+            Job.allCases.randomElement()!
+        }
+    )
+    var job: Job
+
+    @Field.Relationship("spouse")
+    var spouse: Person?
+
+    @Field.Relationship("pets", inverse: \.$master)
+    var pets: Set<Animal>
+
+    @Field.Relationship("_spouseInverse", inverse: \.$spouse)
+    private var spouseInverse: Person?
+    
+    private static func getDisplayName(_ object: ObjectProxy<Person>, _ field: ObjectProxy<Person>.FieldProxy<String?>) -> String? {
+
+        if let value = field.primitiveValue {
+
+            return value
+        }
+        let title = object.$title.value
+        let name = object.$name.value
+        let value = "\(title) \(name)"
+        field.primitiveValue = value
+        return value
     }
     
-    static func keyPathsAffectingDisplayName() -> Set<String> {
+    private static func keyPathsAffectingDisplayName() -> Set<String> {
         
         return [
-            String(keyPath: \Person.title),
+            String(keyPath: \Person.$title),
-            String(keyPath: \Person.name)
+            String(keyPath: \Person.$name)
         ]
     }
 }
@@ -120,62 +197,152 @@ class DynamicModelTests: BaseTestDataTestCase {
                 modelVersion: "V1",
                 entities: [
                     Entity<Animal>("Animal"),
-                    Entity<Dog>("Dog"),
+                    Entity<Dog>("Dog", indexes: [[\Dog.$nickname, \Dog.$age]]),
                     Entity<Person>("Person")
                 ],
                 versionLock: [
                     "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
-                    "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+                    "Dog": [0xad6de93adc5565d, 0x7897e51253eba5a3, 0xd12b9ce0b13600f3, 0x5a4827cd794cd15e],
-                    "Person": [0x66d8bbfd8b21561f, 0xcecec69ecae3570f, 0xc4b73d71256214ef, 0x89b99bfe3e013e8b]
+                    "Person": [0xf3e6ba6016bbedc6, 0x50dedf64f0eba490, 0xa32088a0ee83468d, 0xb72d1d0b37bd0992]
                 ]
             )
         )
         self.prepareStack(dataStack, configurations: [nil]) { (stack) in
             
-            let k1 = String(keyPath: \Animal.species)
+            let k1 = String(keyPath: \Animal.$species)
             XCTAssertEqual(k1, "species")
-            
+
-            let k2 = String(keyPath: \Dog.species)
+            let k2 = String(keyPath: \Dog.$species)
             XCTAssertEqual(k2, "species")
             
-            let k3 = String(keyPath: \Dog.nickname)
+            let k3 = String(keyPath: \Dog.$nickname)
             XCTAssertEqual(k3, "nickname")
             
             let updateDone = self.expectation(description: "update-done")
             let fetchDone = self.expectation(description: "fetch-done")
+            let willSetPriorObserverDone = self.expectation(description: "willSet-observe-prior-done")
+            let willSetNotPriorObserverDone = self.expectation(description: "willSet-observe-notPrior-done")
+            let didSetObserverDone = self.expectation(description: "didSet-observe-done")
             stack.perform(
                 asynchronous: { (transaction) in
                     
                     let animal = transaction.create(Into<Animal>())
-                    XCTAssertEqual(animal.species.value, "Swift")
+                    XCTAssertEqual(animal.species, "Swift")
-                    XCTAssertTrue(type(of: animal.species.value) == String.self)
+                    XCTAssertTrue(type(of: animal.species) == String.self)
+                    XCTAssertEqual(animal.color, Color.blue)
                     
-                    animal.species .= "Sparrow"
+                    animal.species = "Sparrow"
-                    XCTAssertEqual(animal.species.value, "Sparrow")
+                    XCTAssertEqual(animal.species, "Sparrow")
                     
-                    animal.color .= .yellow
+                    animal.color = .yellow
-                    XCTAssertEqual(animal.color.value, Color.yellow)
+                    XCTAssertEqual(animal.color, Color.yellow)
+
+                    for property in Animal.metaProperties(includeSuperclasses: true) {
+
+                        switch property.keyPath {
+
+                        case String(keyPath: \Animal.$species):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Stored<String>)
+
+                        case String(keyPath: \Animal.$master):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Relationship<Person?>)
+
+                        case String(keyPath: \Animal.$color):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Coded<Color?>)
+
+                        default:
+                            XCTFail("Unknown KeyPath: \"\(property.keyPath)\"")
+                        }
+                    }
                     
                     let dog = transaction.create(Into<Dog>())
-                    XCTAssertEqual(dog.species.value, "Swift")
+                    XCTAssertEqual(dog.species, "Swift")
-                    XCTAssertEqual(dog.nickname.value, nil)
+                    XCTAssertEqual(dog.age, 1)
-                    XCTAssertEqual(dog.age.value, 1)
+                    XCTAssertTrue(Dog.commonNicknames.contains(dog.nickname))
+
+                    for property in Dog.metaProperties(includeSuperclasses: true) {
+
+                        switch property.keyPath {
+
+                        case String(keyPath: \Dog.$species):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Stored<String>)
+
+                        case String(keyPath: \Dog.$master):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Relationship<Person?>)
+
+                        case String(keyPath: \Dog.$color):
+                            XCTAssertTrue(property is FieldContainer<Animal>.Coded<Color?>)
+
+                        case String(keyPath: \Dog.$nickname):
+                            XCTAssertTrue(property is FieldContainer<Dog>.Stored<String>)
+
+                        case String(keyPath: \Dog.$age):
+                            XCTAssertTrue(property is FieldContainer<Dog>.Stored<Int>)
+
+                        case String(keyPath: \Dog.$friends):
+                            XCTAssertTrue(property is FieldContainer<Dog>.Relationship<[Dog]>)
+
+                        case String(keyPath: \Dog.$friendedBy):
+                            XCTAssertTrue(property is FieldContainer<Dog>.Relationship<Set<Dog>>)
+
+                        default:
+                            XCTFail("Unknown KeyPath: \"\(property.keyPath)\"")
+                        }
+                    }
+
+                    let didSetObserver = dog.observe(\.$species, options: [.new, .old]) { (object, change) in
+
+                        XCTAssertEqual(object, dog)
+                        XCTAssertEqual(change.kind, .setting)
+                        XCTAssertEqual(change.newValue, "Dog")
+                        XCTAssertEqual(change.oldValue, "Swift")
+                        XCTAssertFalse(change.isPrior)
+                        XCTAssertEqual(object.species, "Dog")
+                        didSetObserverDone.fulfill()
+                    }
+                    let willSetObserver = dog.observe(\.$species, options: [.new, .old, .prior]) { (object, change) in
+
+                        XCTAssertEqual(object, dog)
+                        XCTAssertEqual(change.kind, .setting)
+                        XCTAssertEqual(change.oldValue, "Swift")
+
+                        if change.isPrior {
+
+                            XCTAssertNil(change.newValue)
+                            XCTAssertEqual(object.species, "Swift")
+                            willSetPriorObserverDone.fulfill()
+                        }
+                        else {
+
+                            XCTAssertEqual(change.newValue, "Dog")
+                            XCTAssertEqual(object.species, "Dog")
+                            willSetNotPriorObserverDone.fulfill()
+                        }
+                    }
                     
-                    dog.species .= "Dog"
+                    dog.species = "Dog"
-                    XCTAssertEqual(dog.species.value, "Dog")
+                    XCTAssertEqual(dog.species, "Dog")
+
+                    didSetObserver.invalidate()
+                    willSetObserver.invalidate()
                     
-                    dog.nickname .= "Spot"
+                    dog.nickname = "Spot"
-                    XCTAssertEqual(dog.nickname.value, "Spot")
+                    XCTAssertEqual(dog.nickname, "Spot")
                     
                     let person = transaction.create(Into<Person>())
-                    XCTAssertTrue(person.pets.value.isEmpty)
+                    XCTAssertTrue(person.pets.isEmpty)
+                    XCTAssertEqual(person.customField.string, "customString")
+                    let initialJob = person.job
+                    XCTAssertTrue(Job.allCases.contains(initialJob))
                     
                     XCTAssertEqual(
-                        type(of: person.rawObject!).keyPathsForValuesAffectingValue(forKey: "displayName"),
+                        person.rawObject!
+                            .runtimeType()
+                            .keyPathsForValuesAffectingValue(forKey: "displayName"),
                         ["title", "name"]
                     )
                     
-                    person.name .= "Joe"
+                    person.name = "Joe"
                     
                     XCTAssertEqual(person.rawObject!.value(forKey: "name") as! String?, "Joe")
                     XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "Mr. Joe")
@@ -183,22 +350,66 @@ class DynamicModelTests: BaseTestDataTestCase {
                     person.rawObject!.setValue("AAAA", forKey: "displayName")
                     XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "AAAA")
                     
-                    person.name .= "John"
+                    person.name = "John"
-                    XCTAssertEqual(person.name.value, "John")
+                    XCTAssertEqual(person.name, "John")
-                    XCTAssertEqual(person.displayName.value, "Mr. John") // Custom getter
+                    XCTAssertEqual(person.displayName, "Mr. John") // Custom getter
                     
-                    person.title .= "Sir"
+                    let personSnapshot1 = person.asSnapshot(in: transaction)!
-                    XCTAssertEqual(person.displayName.value, "Sir John")
+                    XCTAssertEqual(person.name, personSnapshot1.$name)
+                    XCTAssertEqual(person.title, personSnapshot1.$title)
+                    XCTAssertEqual(person.displayName, personSnapshot1.$displayName)
+                    XCTAssertEqual(person.job, personSnapshot1.$job)
                     
-                    person.pets.value.insert(dog)
+                    person.title = "Sir"
+                    XCTAssertEqual(person.displayName, "Sir John")
+                    
+                    XCTAssertEqual(personSnapshot1.$name, "John")
+                    XCTAssertEqual(personSnapshot1.$title, "Mr.")
+                    XCTAssertEqual(personSnapshot1.$displayName, "Mr. John")
+
+                    person.customField.string = "newCustomString"
+                    XCTAssertEqual(person.customField.string, "newCustomString")
+
+                    person.job = .engineer
+                    XCTAssertEqual(person.job, .engineer)
+                    
+                    let personSnapshot2 = person.asSnapshot(in: transaction)!
+                    XCTAssertEqual(person.name, personSnapshot2.$name)
+                    XCTAssertEqual(person.title, personSnapshot2.$title)
+                    XCTAssertEqual(person.displayName, personSnapshot2.$displayName)
+                    XCTAssertEqual(person.job, personSnapshot2.$job)
+
+                    var personSnapshot3 = personSnapshot2
+                    personSnapshot3.$name = "James"
+                    XCTAssertEqual(personSnapshot1.$name, "John")
+                    XCTAssertEqual(personSnapshot1.$displayName, "Mr. John")
+                    XCTAssertEqual(personSnapshot1.$job, initialJob)
+                    XCTAssertEqual(personSnapshot2.$name, "John")
+                    XCTAssertEqual(personSnapshot2.$displayName, "Sir John")
+                    XCTAssertEqual(personSnapshot2.$job, .engineer)
+                    XCTAssertEqual(personSnapshot3.$name, "James")
+                    XCTAssertEqual(personSnapshot3.$displayName, "Sir John")
+                    XCTAssertEqual(personSnapshot3.$job, .engineer)
+                    
+
+                    
+                    person.pets.insert(dog)
                     XCTAssertEqual(person.pets.count, 1)
-                    XCTAssertEqual(person.pets.value.first, dog)
+                    XCTAssertEqual(person.pets.first, dog)
-                    XCTAssertEqual(person.pets.value.first?.master.value, person)
+                    XCTAssertEqual(person.pets.first?.master, person)
-                    XCTAssertEqual(dog.master.value, person)
+                    XCTAssertEqual(dog.master, person)
-                    XCTAssertEqual(dog.master.value?.pets.value.first, dog)
+                    XCTAssertEqual(dog.master?.pets.first, dog)
                 },
                 success: { _ in
-                    
+
+                    let person = try! stack.fetchOne(From<Person>())
+                    XCTAssertNotNil(person)
+
+                    let personPublisher = person!.asPublisher(in: stack)
+                    XCTAssertEqual(personPublisher.$name, "John")
+                    XCTAssertEqual(personPublisher.$displayName, "Sir John")
+                    XCTAssertEqual(personPublisher.$job, .engineer)
+
                     updateDone.fulfill()
                 },
                 failure: { _ in
@@ -209,56 +420,67 @@ class DynamicModelTests: BaseTestDataTestCase {
             stack.perform(
                 asynchronous: { (transaction) in
                     
-                    let p1 = Where<Animal>({ $0.species == "Sparrow" })
+                    let p1 = Where<Animal>({ $0.$species == "Sparrow" })
                     XCTAssertEqual(p1.predicate, NSPredicate(format: "%K == %@", "species", "Sparrow"))
                     
-                    let bird = transaction.fetchOne(From<Animal>(), p1)
+                    let bird = try transaction.fetchOne(From<Animal>(), p1)
                     XCTAssertNotNil(bird)
-                    XCTAssertEqual(bird!.species.value, "Sparrow")
+                    XCTAssertEqual(bird!.species, "Sparrow")
+                    XCTAssertEqual(bird!.color, Color.yellow)
                     
-                    let p2 = Where<Dog>({ $0.nickname == "Spot" })
+                    let p2 = Where<Dog>({ $0.$nickname == "Spot" })
                     XCTAssertEqual(p2.predicate, NSPredicate(format: "%K == %@", "nickname", "Spot"))
                     
-                    let dog = transaction.fetchOne(From<Dog>().where(\.nickname == "Spot"))
+                    let dog = try transaction.fetchOne(From<Dog>().where(\.$nickname == "Spot"))
                     XCTAssertNotNil(dog)
-                    XCTAssertEqual(dog!.nickname.value, "Spot")
+                    XCTAssertEqual(dog!.nickname, "Spot")
-                    XCTAssertEqual(dog!.species.value, "Dog")
+                    XCTAssertEqual(dog!.species, "Dog")
                     
-                    let person = transaction.fetchOne(From<Person>())
+                    let person = try transaction.fetchOne(From<Person>())
                     XCTAssertNotNil(person)
-                    XCTAssertEqual(person!.pets.value.first, dog)
+                    XCTAssertEqual(person!.name, "John")
+                    XCTAssertEqual(person!.title, "Sir")
+                    XCTAssertEqual(person!.displayName, "Sir John")
+                    XCTAssertEqual(person!.customField.string, "customString")
+                    XCTAssertEqual(person!.job, .engineer)
+                    XCTAssertEqual(person!.pets.first, dog)
                     
-                    let p3 = Where<Dog>({ $0.age == 10 })
+                    let p3 = Where<Dog>({ $0.$age == 10 })
                     XCTAssertEqual(p3.predicate, NSPredicate(format: "%K == %d", "age", 10))
+
+                    let totalAge = try transaction.queryValue(
+                        From<Dog>().select(Int.self, .sum(\.$age))
+                    )
+                    XCTAssertEqual(totalAge, 1)
                     
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>()
-                            .where(\Animal.species == "Dog" && \.age == 10)
+                            .where(\Animal.$species == "Dog" && \Dog.$age == 10)
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>()
-                            .where(\.age == 10 && \Animal.species == "Dog")
+                            .where(\Dog.$age == 10 && \Animal.$species == "Dog")
-                            .orderBy(.ascending({ $0.species }))
+                            .orderBy(.ascending({ $0.$species }))
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>(),
-                        Where<Dog>({ $0.age > 10 && $0.age <= 15 })
+                        Where<Dog>({ $0.$age > 10 && $0.$age <= 15 })
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>(),
-                        Where<Dog>({ $0.species == "Dog" && $0.age == 10 })
+                        Where<Dog>({ $0.$species == "Dog" && $0.$age == 10 })
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>(),
-                        Where<Dog>({ $0.age == 10 && $0.species == "Dog" })
+                        Where<Dog>({ $0.$age == 10 && $0.$species == "Dog" })
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>(),
-                        Where<Dog>({ $0.age > 10 && $0.age <= 15 })
+                        Where<Dog>({ $0.$age > 10 && $0.$age <= 15 })
                     )
-                    _ = transaction.fetchAll(
+                    _ = try transaction.fetchAll(
                         From<Dog>(),
-                        (\Dog.age > 10 && \Dog.age <= 15)
+                        (\Dog.$age > 10 && \Dog.$age <= 15)
                     )
                 },
                 success: { _ in
@@ -270,15 +492,20 @@ class DynamicModelTests: BaseTestDataTestCase {
                     XCTFail()
                 }
             )
-            self.waitAndCheckExpectations()
+        }
+        
+        self.waitForExpectations(timeout: 10, handler: { _ in })
+        
+        self.addTeardownBlock {
+            dataStack.unsafeRemoveAllPersistentStoresAndWait()
         }
     }
     
     @objc
     dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
         
-        XCTAssertEqual(String(keyPath: \Animal.species), "species")
+        XCTAssertEqual(String(keyPath: \Animal.$species), "species")
-        XCTAssertEqual(String(keyPath: \Dog.species), "species")
+        XCTAssertEqual(String(keyPath: \Dog.$species), "species")
     }
     
     @nonobjc
@@ -292,7 +519,7 @@ class DynamicModelTests: BaseTestDataTestCase {
                     SQLiteStore(
                         fileURL: SQLiteStore.defaultRootDirectory
                             .appendingPathComponent(UUID().uuidString)
-                            .appendingPathComponent("\(type(of: self))_\((configuration ?? "-null-")).sqlite"),
+                            .appendingPathComponent("\(Self.self)_\((configuration ?? "-null-")).sqlite"),
                         configuration: configuration,
                         localStorageOptions: .recreateStoreOnModelMismatch
                     )

CoreStoreTests/ErrorTests.swift

@@ -2,7 +2,7 @@
 //  ErrorTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -42,14 +42,12 @@ final class ErrorTests: XCTestCase {
         
         let userInfo: NSDictionary = [:]
         
-        let objcError = error.bridgeToObjectiveC
+        let objcError = error as NSError
-        XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.unknownError.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
+        let objcError2 = CoreStoreError(objcError) as NSError
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.unknownError.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -67,14 +65,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "existingPersistentStoreURL": dummyURL
         ]
-        let objcError = error.bridgeToObjectiveC
+        let objcError = error as NSError
-        XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
+
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
+        let objcError2 = CoreStoreError(objcError) as NSError
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -88,7 +84,7 @@ final class ErrorTests: XCTestCase {
         let schemaHistory = SchemaHistory(
             XcodeDataModelSchema.from(
                 modelName: "Model",
-                bundle: Bundle(for: type(of: self))
+                bundle: Bundle.module
             )
         )
         let version = "1.0.0"
@@ -102,14 +98,12 @@ final class ErrorTests: XCTestCase {
             "targetModel": schemaHistory.rawModel,
             "targetModelVersion": version
         ]
-        let objcError = error.bridgeToObjectiveC
+        let objcError = error as NSError
-        XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
+
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
+        let objcError2 = CoreStoreError(objcError) as NSError
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -127,14 +121,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "localStoreURL": dummyURL
         ]
-        let objcError = error.bridgeToObjectiveC
+        let objcError = error as NSError
-        XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
+
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
+        let objcError2 = CoreStoreError(objcError) as NSError
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
@@ -159,14 +151,12 @@ final class ErrorTests: XCTestCase {
         let userInfo: NSDictionary = [
             "NSError": internalError
         ]
-        let objcError = error.bridgeToObjectiveC
+        let objcError = error as NSError
-        XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError.code, CoreStoreErrorCode.internalError.rawValue)
         XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
-        
+
-        let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
+        let objcError2 = CoreStoreError(objcError) as NSError
-        XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
         XCTAssertEqual(objcError2.code, CoreStoreErrorCode.internalError.rawValue)
         XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)

CoreStoreTests/FromTests.swift

@@ -2,7 +2,7 @@
 //  FromTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -74,33 +75,31 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                try from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -115,102 +114,98 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
-                
+
                 let from = From<TestEntity1>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -225,99 +220,96 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(Set(affectedConfigurations), ["PF_DEFAULT_CONFIGURATION_NAME", "Config1"] as Set)
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -332,96 +324,94 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config2"])
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = self.expectLogger([.logWarning]) {
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = CoreStoreFetchRequest()
+                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.safeAffectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.safeAffectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config2"])
             }
         }

CoreStoreTests/GroupByTests.swift

@@ -2,7 +2,7 @@
 //  GroupByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -68,8 +69,8 @@ final class GroupByTests: BaseTestCase {
             
             let groupBy = GroupBy<NSManagedObject>(#keyPath(TestEntity1.testString))
             
-            let request = CoreStoreFetchRequest()
+            let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
-            _ = From<TestEntity1>().applyToFetchRequest(request, context: dataStack.mainContext)
+            try From<TestEntity1>().applyToFetchRequest(request, context: dataStack.mainContext)
             groupBy.applyToFetchRequest(request)
             
             XCTAssertNotNil(request.propertiesToGroupBy)

CoreStoreTests/ImportTests.swift

@@ -2,7 +2,7 @@
 //  ImportTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -95,7 +95,7 @@ class ImportTests: BaseTestDataTestCase {
                             ]
                         )
                         XCTAssertNil(object)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 0)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 0)
                     }
                 )
             }
@@ -103,7 +103,7 @@ class ImportTests: BaseTestDataTestCase {
                 
                 XCTFail()
             }
-            XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
         }
     }
     
@@ -137,9 +137,9 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestInsertError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                             
-                            let object = transaction.fetchOne(From<TestEntity1>())
+                            let object = try transaction.fetchOne(From<TestEntity1>())
                             XCTAssertNotNil(object)
                             XCTAssertNil(object?.testEntityID)
                             XCTAssertNil(object?.testBoolean)
@@ -182,7 +182,7 @@ class ImportTests: BaseTestDataTestCase {
                             ]
                         )
                         XCTAssertNotNil(object)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                         XCTAssertNil(object?.testEntityID)
                         XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                         XCTAssertEqual(object?.testNumber, NSNumber(value: 1))
@@ -202,7 +202,7 @@ class ImportTests: BaseTestDataTestCase {
                                 #keyPath(TestEntity1.testDate): self.dateFormatter.date(from: "2000-01-02T00:00:00Z")!
                             ]
                         )
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                         XCTAssertNil(object?.testEntityID)
                         XCTAssertEqual(object?.testBoolean, NSNumber(value: false))
                         XCTAssertEqual(object?.testNumber, NSNumber(value: 2))
@@ -254,7 +254,7 @@ class ImportTests: BaseTestDataTestCase {
                             sourceArray: sourceArray
                         )
                         XCTAssertEqual(objects.count, 1)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                         
                         let object = objects[0]
                         let dictionary = sourceArray[1]
@@ -316,9 +316,9 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestInsertError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                             
-                            let object = transaction.fetchOne(From<TestEntity1>())
+                            let object = try transaction.fetchOne(From<TestEntity1>())
                             XCTAssertNotNil(object)
                             XCTAssertNil(object?.testEntityID)
                             XCTAssertNil(object?.testBoolean)
@@ -372,7 +372,7 @@ class ImportTests: BaseTestDataTestCase {
                             sourceArray: sourceArray
                         )
                         XCTAssertEqual(objects.count, sourceArray.count)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 2)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 2)
                         
                         for i in 0 ..< sourceArray.count {
                             
@@ -424,7 +424,7 @@ class ImportTests: BaseTestDataTestCase {
                                 ]
                             )
                             XCTAssertNil(object)
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 5)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 5)
                         }
                         do {
                             
@@ -442,20 +442,19 @@ class ImportTests: BaseTestDataTestCase {
                                 ]
                             )
                             XCTAssertNil(object)
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 5)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 5)
                             
-                            let existingObjects = transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
+                            let existingObjects = try transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
-                            XCTAssertNotNil(existingObjects)
+                            XCTAssertEqual(existingObjects.count, 1)
-                            XCTAssertEqual(existingObjects?.count, 1)
                             
-                            let existingObject = existingObjects?[0]
+                            let existingObject = existingObjects[0]
-                            XCTAssertEqual(existingObject?.testEntityID, NSNumber(value: 105))
+                            XCTAssertEqual(existingObject.testEntityID, NSNumber(value: 105))
-                            XCTAssertEqual(existingObject?.testBoolean, NSNumber(value: true))
+                            XCTAssertEqual(existingObject.testBoolean, NSNumber(value: true))
-                            XCTAssertEqual(existingObject?.testNumber, NSNumber(value: 5))
+                            XCTAssertEqual(existingObject.testNumber, NSNumber(value: 5))
-                            XCTAssertEqual(existingObject?.testDecimal, NSDecimalNumber(string: "5"))
+                            XCTAssertEqual(existingObject.testDecimal, NSDecimalNumber(string: "5"))
-                            XCTAssertEqual(existingObject?.testString, "nil:TestEntity1:5")
+                            XCTAssertEqual(existingObject.testString, "nil:TestEntity1:5")
-                            XCTAssertEqual(existingObject?.testData, ("nil:TestEntity1:5" as NSString).data(using: String.Encoding.utf8.rawValue)!)
+                            XCTAssertEqual(existingObject.testData, ("nil:TestEntity1:5" as NSString).data(using: String.Encoding.utf8.rawValue)!)
-                            XCTAssertEqual(existingObject?.testDate, self.dateFormatter.date(from: "2000-01-05T00:00:00Z")!)
+                            XCTAssertEqual(existingObject.testDate, self.dateFormatter.date(from: "2000-01-05T00:00:00Z")!)
                         }
                     }
                 )
@@ -504,7 +503,7 @@ class ImportTests: BaseTestDataTestCase {
                         )
                         
                         XCTAssertEqual(objects.count, 1)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                         
                         let object = objects[0]
                         let dictionary = sourceArray[1]
@@ -618,9 +617,9 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestInsertError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                             
-                            let object = transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
+                            let object = try transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
                             XCTAssertNotNil(object)
                             XCTAssertEqual(object?.testEntityID, NSNumber(value: 106))
                             XCTAssertNil(object?.testBoolean)
@@ -657,21 +656,19 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestUpdateError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                             
-                            let existingObjects = transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
+                            let existingObjects = try transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
-                            XCTAssertNotNil(existingObjects)
+                            XCTAssertEqual(existingObjects.count, 1)
-                            XCTAssertEqual(existingObjects?.count, 1)
                             
-                            let existingObject = existingObjects?[0]
+                            let existingObject = existingObjects[0]
-                            XCTAssertNotNil(existingObject)
+                            XCTAssertEqual(existingObject.testEntityID, NSNumber(value: 105))
-                            XCTAssertEqual(existingObject?.testEntityID, NSNumber(value: 105))
+                            XCTAssertEqual(existingObject.testBoolean, NSNumber(value: true))
-                            XCTAssertEqual(existingObject?.testBoolean, NSNumber(value: true))
+                            XCTAssertEqual(existingObject.testNumber, NSNumber(value: 5))
-                            XCTAssertEqual(existingObject?.testNumber, NSNumber(value: 5))
+                            XCTAssertEqual(existingObject.testDecimal, NSDecimalNumber(string: "5"))
-                            XCTAssertEqual(existingObject?.testDecimal, NSDecimalNumber(string: "5"))
+                            XCTAssertEqual(existingObject.testString, "nil:TestEntity1:5")
-                            XCTAssertEqual(existingObject?.testString, "nil:TestEntity1:5")
+                            XCTAssertEqual(existingObject.testData, ("nil:TestEntity1:5" as NSString).data(using: String.Encoding.utf8.rawValue)!)
-                            XCTAssertEqual(existingObject?.testData, ("nil:TestEntity1:5" as NSString).data(using: String.Encoding.utf8.rawValue)!)
+                            XCTAssertEqual(existingObject.testDate, self.dateFormatter.date(from: "2000-01-05T00:00:00Z")!)
-                            XCTAssertEqual(existingObject?.testDate, self.dateFormatter.date(from: "2000-01-05T00:00:00Z")!)
                         }
                         self.checkExpectationsImmediately()
                     }
@@ -710,7 +707,7 @@ class ImportTests: BaseTestDataTestCase {
                                 ]
                             )
                             XCTAssertNotNil(object)
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                             
                             XCTAssertEqual(object?.testEntityID, NSNumber(value: 106))
                             XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
@@ -735,7 +732,7 @@ class ImportTests: BaseTestDataTestCase {
                                     ]
                             )
                             XCTAssertNotNil(object)
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                             
                             XCTAssertEqual(object?.testEntityID, NSNumber(value: 106))
                             XCTAssertEqual(object?.testBoolean, NSNumber(value: false))
@@ -745,11 +742,10 @@ class ImportTests: BaseTestDataTestCase {
                             XCTAssertEqual(object?.testData, ("nil:TestEntity1:7" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                             XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-07T00:00:00Z")!)
                             
-                            let existingObjects = transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
+                            let existingObjects = try transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
-                            XCTAssertNotNil(existingObjects)
+                            XCTAssertEqual(existingObjects.count, 1)
-                            XCTAssertEqual(existingObjects?.count, 1)
                             
-                            let existingObject = existingObjects?[0]
+                            let existingObject = existingObjects[0]
                             XCTAssertEqual(existingObject, object)
                         }
                     }
@@ -799,7 +795,7 @@ class ImportTests: BaseTestDataTestCase {
                             sourceArray: sourceArray
                         )
                         XCTAssertEqual(objects.count, 1)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                         
                         let object = objects[0]
                         let dictionary = sourceArray[1]
@@ -864,10 +860,10 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestIDError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 5)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 5)
                             
-                            XCTAssertNil(transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106)))
+                            XCTAssertNil(try transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106)))
-                            XCTAssertNil(transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 107)))
+                            XCTAssertNil(try transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 107)))
                         }
                         transaction.unsafeContext().reset()
                         self.checkExpectationsImmediately()
@@ -910,7 +906,7 @@ class ImportTests: BaseTestDataTestCase {
                             
                             errorExpectation.fulfill()
                             
-                            let object = transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
+                            let object = try transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 106))
                             XCTAssertNotNil(object)
                             XCTAssertEqual(object?.testEntityID, NSNumber(value: 106))
                             XCTAssertNil(object?.testBoolean)
@@ -951,9 +947,9 @@ class ImportTests: BaseTestDataTestCase {
                         catch _ as TestUpdateError {
                             
                             errorExpectation.fulfill()
-                            XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 5)
+                            XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 5)
                             
-                            let object = transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
+                            let object = try transaction.fetchOne(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
                             XCTAssertNotNil(object)
                             XCTAssertEqual(object?.testEntityID, NSNumber(value: 105))
                             XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
@@ -963,11 +959,10 @@ class ImportTests: BaseTestDataTestCase {
                             XCTAssertEqual(object?.testData, ("nil:TestEntity1:5" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                             XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-05T00:00:00Z")!)
                             
-                            let existingObjects = transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
+                            let existingObjects = try transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
-                            XCTAssertNotNil(existingObjects)
+                            XCTAssertEqual(existingObjects.count, 1)
-                            XCTAssertEqual(existingObjects?.count, 1)
                             
-                            let existingObject = existingObjects?[0]
+                            let existingObject = existingObjects[0]
                             XCTAssertEqual(existingObject, object)
                         }
                         transaction.context.reset()
@@ -1018,7 +1013,7 @@ class ImportTests: BaseTestDataTestCase {
                             sourceArray: sourceArray
                         )
                         XCTAssertEqual(objects.count, sourceArray.count)
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 6)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 6)
                         for i in 0 ..< sourceArray.count {
                             
                             let object = objects[i]
@@ -1032,11 +1027,10 @@ class ImportTests: BaseTestDataTestCase {
                             XCTAssertEqual(object.testData, dictionary[(#keyPath(TestEntity1.testData))] as? Data)
                             XCTAssertEqual(object.testDate, dictionary[(#keyPath(TestEntity1.testDate))] as? Date)
                         }
-                        let existingObjects = transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
+                        let existingObjects = try transaction.fetchAll(From<TestEntity1>(), Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 105))
-                        XCTAssertNotNil(existingObjects)
+                        XCTAssertEqual(existingObjects.count, 1)
-                        XCTAssertEqual(existingObjects?.count, 1)
                         
-                        let existingObject = existingObjects?[0]
+                        let existingObject = existingObjects[0]
                         XCTAssertEqual(existingObject, objects[0])
                     }
                 )

CoreStoreTests/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>9.3.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

CoreStoreTests/IntoTests.swift

@@ -2,7 +2,7 @@
 //  IntoTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -125,15 +126,4 @@ final class IntoTests: XCTestCase {
             XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
         }
     }
-    
-    @objc
-    dynamic func test_ThatIntoClauses_BridgeCorrectly() {
-        
-        do {
-            
-            let into = Into<NSManagedObject>()
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertEqual(into, objcInto.bridgeToSwift)
-        }
-    }
 }

CoreStoreTests/ListObserverTests.swift

@@ -2,7 +2,7 @@
 //  ListObserverTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -31,7 +32,6 @@ import CoreStore
 
 // MARK: - ListObserverTests
 
-@available(OSX 10.12, *)
 class ListObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -53,7 +53,7 @@ class ListObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -67,7 +67,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didInsertSectionExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertSection:toSectionIndex:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -76,7 +76,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     XCTAssertEqual(
                         ((note.userInfo as NSDictionary?) ?? [:]),
                         [
-                            "sectionInfo": monitor.sectionInfoAtIndex(0),
+                            "sectionInfo": monitor.sectionInfo(at: 0),
                             "sectionIndex": 0
                         ] as NSDictionary
                     )
@@ -87,7 +87,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1
                 }
             )
-            let didInsertObjectExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -101,9 +101,9 @@ class ListObserverTests: BaseTestDataTestCase {
                         ["indexPath", "object"]
                     )
                     
-                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    let indexPath = userInfo?["indexPath"] as? IndexPath
-                    XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
+                    XCTAssertEqual(indexPath?.section, 0)
-                    XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
+                    XCTAssertEqual(indexPath?.item, 0)
                     
                     let object = userInfo?["object"] as? TestEntity1
                     XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
@@ -119,7 +119,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 2
                 }
             )
-            let didChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -178,13 +178,13 @@ class ListObserverTests: BaseTestDataTestCase {
             XCTAssertTrue(monitor.hasSections())
             XCTAssertEqual(monitor.numberOfSections(), 2)
             XCTAssertTrue(monitor.hasObjects())
-            XCTAssertTrue(monitor.hasObjectsInSection(0))
+            XCTAssertTrue(monitor.hasObjects(in: 0))
-            XCTAssertEqual(monitor.numberOfObjectsInSection(0), 2)
+            XCTAssertEqual(monitor.numberOfObjects(in: 0), 2)
-            XCTAssertEqual(monitor.numberOfObjectsInSection(1), 3)
+            XCTAssertEqual(monitor.numberOfObjects(in: 1), 3)
             
             var events = 0
             
-            let willChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -199,7 +199,7 @@ class ListObserverTests: BaseTestDataTestCase {
                 }
             )
             
-            let didUpdateObjectExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didUpdateObject:atIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -213,14 +213,14 @@ class ListObserverTests: BaseTestDataTestCase {
                         ["indexPath", "object"]
                     )
                     
-                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    let indexPath = userInfo?["indexPath"] as? IndexPath
                     let object = userInfo?["object"] as? TestEntity1
                     
                     switch object?.testEntityID {
                         
                     case NSNumber(value: 101)?:
-                        XCTAssertEqual(indexPath?.index(atPosition: 0), 1)
+                        XCTAssertEqual(indexPath?.section, 1)
-                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
+                        XCTAssertEqual(indexPath?.item, 0)
                         
                         XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                         XCTAssertEqual(object?.testNumber, NSNumber(value: 11))
@@ -230,8 +230,8 @@ class ListObserverTests: BaseTestDataTestCase {
                         XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-11T00:00:00Z")!)
                         
                     case NSNumber(value: 102)?:
-                        XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
+                        XCTAssertEqual(indexPath?.section, 0)
-                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
+                        XCTAssertEqual(indexPath?.item, 0)
                         
                         XCTAssertEqual(object?.testBoolean, NSNumber(value: false))
                         XCTAssertEqual(object?.testNumber, NSNumber(value: 22))
@@ -250,7 +250,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1 || events == 2
                 }
             )
-            let didChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -268,7 +268,7 @@ class ListObserverTests: BaseTestDataTestCase {
             stack.perform(
                 asynchronous: { (transaction) -> Bool in
                     
-                    if let object = transaction.fetchOne(
+                    if let object = try transaction.fetchOne(
                         From<TestEntity1>(),
                         Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) {
                         
@@ -282,7 +282,7 @@ class ListObserverTests: BaseTestDataTestCase {
                         
                         XCTFail()
                     }
-                    if let object = transaction.fetchOne(
+                    if let object = try transaction.fetchOne(
                         From<TestEntity1>(),
                         Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
                         
@@ -329,7 +329,7 @@ class ListObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -343,7 +343,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didMoveObjectExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didMoveObject:fromIndexPath:toIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -357,13 +357,13 @@ class ListObserverTests: BaseTestDataTestCase {
                         ["fromIndexPath", "toIndexPath", "object"]
                     )
                     
-                    let fromIndexPath = userInfo?["fromIndexPath"] as? NSIndexPath
+                    let fromIndexPath = userInfo?["fromIndexPath"] as? IndexPath
-                    XCTAssertEqual(fromIndexPath?.index(atPosition: 0), 0)
+                    XCTAssertEqual(fromIndexPath?.section, 0)
-                    XCTAssertEqual(fromIndexPath?.index(atPosition: 1), 0)
+                    XCTAssertEqual(fromIndexPath?.item, 0)
                     
-                    let toIndexPath = userInfo?["toIndexPath"] as? NSIndexPath
+                    let toIndexPath = userInfo?["toIndexPath"] as? IndexPath
-                    XCTAssertEqual(toIndexPath?.index(atPosition: 0), 1)
+                    XCTAssertEqual(toIndexPath?.section, 1)
-                    XCTAssertEqual(toIndexPath?.index(atPosition: 1), 1)
+                    XCTAssertEqual(toIndexPath?.item, 1)
                     
                     let object = userInfo?["object"] as? TestEntity1
                     XCTAssertEqual(object?.testEntityID, NSNumber(value: 102))
@@ -376,7 +376,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1
                 }
             )
-            let didChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -394,7 +394,7 @@ class ListObserverTests: BaseTestDataTestCase {
             stack.perform(
                 asynchronous: { (transaction) -> Bool in
                     
-                    if let object = transaction.fetchOne(
+                    if let object = try transaction.fetchOne(
                         From<TestEntity1>(),
                         Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
                         
@@ -437,7 +437,7 @@ class ListObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -451,7 +451,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didUpdateObjectExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteObject:fromIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -465,10 +465,10 @@ class ListObserverTests: BaseTestDataTestCase {
                         ["indexPath", "object"]
                     )
                     
-                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    let indexPath = userInfo?["indexPath"] as? IndexPath
                     
                     XCTAssertEqual(indexPath?.section, 0)
-                    XCTAssert(indexPath?.index(atPosition: 1) == 0 || indexPath?.index(atPosition: 1) == 1)
+                    XCTAssert(indexPath?.item == 0 || indexPath?.item == 1)
                     
                     let object = userInfo?["object"] as? TestEntity1
                     XCTAssertEqual(object?.isDeleted, true)
@@ -480,7 +480,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1 || events == 2
                 }
             )
-            let didDeleteSectionExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteSection:fromSectionIndex:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -508,7 +508,7 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 3
                 }
             )
-            let didChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -526,7 +526,7 @@ class ListObserverTests: BaseTestDataTestCase {
             stack.perform(
                 asynchronous: { (transaction) -> Bool in
                     
-                    let count = transaction.deleteAll(
+                    let count = try transaction.deleteAll(
                         From<TestEntity1>(),
                         Where<TestEntity1>(#keyPath(TestEntity1.testBoolean), isEqualTo: false)
                     )
@@ -551,7 +551,6 @@ class ListObserverTests: BaseTestDataTestCase {
 
 // MARK: TestListObserver
 
-@available(OSX 10.12, *)
 class TestListObserver: ListSectionObserver {
     
     // MARK: ListObserver

CoreStoreTests/ListPublisherTests.swift

@@ -0,0 +1,303 @@
+//
+//  ListPublisherTests.swift
+//  CoreStore iOS
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+#if canImport(UIKit) || canImport(AppKit)
+
+import XCTest
+
+@testable
+import CoreStore
+
+
+// MARK: - ListPublisherTests
+
+class ListPublisherTests: BaseTestDataTestCase {
+
+    @objc
+    dynamic func test_ThatListPublishers_CanReceiveInsertNotifications() {
+
+        self.prepareStack { (stack) in
+
+            let observer = NSObject()
+            let listPublisher = stack.publishList(
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
+            )
+            XCTAssertFalse(listPublisher.snapshot.hasSections())
+            XCTAssertFalse(listPublisher.snapshot.hasItems())
+            XCTAssertTrue(listPublisher.snapshot.itemIDs.isEmpty)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            listPublisher.addObserver(observer) { listPublisher in
+
+                XCTAssertTrue(listPublisher.snapshot.hasSections())
+                XCTAssertTrue(listPublisher.snapshot.hasItems())
+                XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 1)
+
+                didChangeExpectation.fulfill()
+            }
+            
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    let object = transaction.create(Into<TestEntity1>())
+                    object.testBoolean = NSNumber(value: true)
+                    object.testNumber = NSNumber(value: 1)
+                    object.testDecimal = NSDecimalNumber(string: "1")
+                    object.testString = "nil:TestEntity1:1"
+                    object.testData = ("nil:TestEntity1:1" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                    object.testDate = self.dateFormatter.date(from: "2000-01-01T00:00:00Z")!
+
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+
+            withExtendedLifetime(listPublisher, {})
+            withExtendedLifetime(observer, {})
+        }
+    }
+
+    @objc
+    dynamic func test_ThatListPublishers_CanReceiveUpdateNotifications() {
+
+        self.prepareStack { (stack) in
+
+            self.prepareTestDataForStack(stack)
+
+            let observer = NSObject()
+            let listPublisher = stack.publishList(
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
+            )
+            XCTAssertTrue(listPublisher.snapshot.hasSections())
+            XCTAssertEqual(listPublisher.snapshot.numberOfSections, 2)
+            XCTAssertTrue(listPublisher.snapshot.hasItems())
+            XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 2)
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 1), 3)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            listPublisher.addObserver(observer) { listPublisher in
+
+                XCTAssertTrue(listPublisher.snapshot.hasSections())
+                XCTAssertEqual(listPublisher.snapshot.numberOfSections, 2)
+                XCTAssertTrue(listPublisher.snapshot.hasItems())
+                XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+                XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 2)
+                XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 1), 3)
+
+                didChangeExpectation.fulfill()
+            }
+
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) {
+
+                        object.testNumber = NSNumber(value: 11)
+                        object.testDecimal = NSDecimalNumber(string: "11")
+                        object.testString = "nil:TestEntity1:11"
+                        object.testData = ("nil:TestEntity1:11" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                        object.testDate = self.dateFormatter.date(from: "2000-01-11T00:00:00Z")!
+                    }
+                    else {
+
+                        XCTFail()
+                    }
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
+
+                        object.testNumber = NSNumber(value: 22)
+                        object.testDecimal = NSDecimalNumber(string: "22")
+                        object.testString = "nil:TestEntity1:22"
+                        object.testData = ("nil:TestEntity1:22" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                        object.testDate = self.dateFormatter.date(from: "2000-01-22T00:00:00Z")!
+                    }
+                    else {
+
+                        XCTFail()
+                    }
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+
+            withExtendedLifetime(listPublisher, {})
+            withExtendedLifetime(observer, {})
+        }
+    }
+
+    @objc
+    dynamic func test_ThatListPublishers_CanReceiveMoveNotifications() {
+
+        self.prepareStack { (stack) in
+
+            self.prepareTestDataForStack(stack)
+
+            let observer = NSObject()
+            let listPublisher = stack.publishList(
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
+            )
+            XCTAssertTrue(listPublisher.snapshot.hasSections())
+            XCTAssertEqual(listPublisher.snapshot.numberOfSections, 2)
+            XCTAssertTrue(listPublisher.snapshot.hasItems())
+            XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 2)
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 1), 3)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            listPublisher.addObserver(observer) { listPublisher in
+
+                XCTAssertTrue(listPublisher.snapshot.hasSections())
+                XCTAssertEqual(listPublisher.snapshot.numberOfSections, 2)
+                XCTAssertTrue(listPublisher.snapshot.hasItems())
+                XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+                XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 1)
+                XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 1), 4)
+
+                didChangeExpectation.fulfill()
+            }
+
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
+
+                        object.testBoolean = NSNumber(value: true)
+                    }
+                    else {
+
+                        XCTFail()
+                    }
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+
+            withExtendedLifetime(listPublisher, {})
+            withExtendedLifetime(observer, {})
+        }
+    }
+
+    @objc
+    dynamic func test_ThatListPublishers_CanReceiveDeleteNotifications() {
+
+        self.prepareStack { (stack) in
+
+            self.prepareTestDataForStack(stack)
+
+            let observer = NSObject()
+            let listPublisher = stack.publishList(
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
+            )
+            XCTAssertTrue(listPublisher.snapshot.hasSections())
+            XCTAssertEqual(listPublisher.snapshot.numberOfSections, 2)
+            XCTAssertTrue(listPublisher.snapshot.hasItems())
+            XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 2)
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 1), 3)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            listPublisher.addObserver(observer) { listPublisher in
+
+            XCTAssertTrue(listPublisher.snapshot.hasSections())
+            XCTAssertEqual(listPublisher.snapshot.numberOfSections, 1)
+            XCTAssertTrue(listPublisher.snapshot.hasItems())
+            XCTAssertTrue(listPublisher.snapshot.hasItems(inSectionIndex: 0))
+            XCTAssertEqual(listPublisher.snapshot.numberOfItems(inSectionIndex: 0), 3)
+
+                didChangeExpectation.fulfill()
+            }
+
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    let count = try transaction.deleteAll(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testBoolean), isEqualTo: false)
+                    )
+                    XCTAssertEqual(count, 2)
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+        }
+    }
+}
+
+#endif
+

CoreStoreTests/MigrationChainTests.swift

@@ -2,7 +2,7 @@
 //  MigrationChainTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal

CoreStoreTests/Model.xcdatamodeld/Model.xcdatamodel/contents

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11759" systemVersion="16C67" minimumToolsVersion="Xcode 4.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="22222" systemVersion="22G91" minimumToolsVersion="Xcode 4.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
-    <entity name="TestEntity1AAA" representedClassName="CoreStoreTests.TestEntity1" syncable="YES">
+    <entity name="TestEntity1AAA" representedClassName=".TestEntity1" syncable="YES">
         <attribute name="testBoolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testData" optional="YES" attributeType="Binary" syncable="YES"/>
         <attribute name="testDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
@@ -9,8 +9,10 @@
         <attribute name="testNil" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="testNumber" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testString" optional="YES" attributeType="String" syncable="YES"/>
+        <relationship name="testToManyUnordered" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="TestEntity1AAA" inverseName="testToOne" inverseEntity="TestEntity1AAA" syncable="YES"/>
+        <relationship name="testToOne" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="TestEntity1AAA" inverseName="testToManyUnordered" inverseEntity="TestEntity1AAA" syncable="YES"/>
     </entity>
-    <entity name="TestEntity2" representedClassName="CoreStoreTests.TestEntity2" syncable="YES">
+    <entity name="TestEntity2" representedClassName=".TestEntity2" syncable="YES">
         <attribute name="testBoolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testData" optional="YES" attributeType="Binary" syncable="YES"/>
         <attribute name="testDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
@@ -19,6 +21,8 @@
         <attribute name="testNil" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="testNumber" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testString" optional="YES" attributeType="String" syncable="YES"/>
+        <relationship name="testToManyOrdered" optional="YES" toMany="YES" deletionRule="Nullify" ordered="YES" destinationEntity="TestEntity2" inverseName="testToOne" inverseEntity="TestEntity2" syncable="YES"/>
+        <relationship name="testToOne" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="TestEntity2" inverseName="testToManyOrdered" inverseEntity="TestEntity2" syncable="YES"/>
     </entity>
     <configuration name="Config1">
         <memberEntity name="TestEntity1AAA"/>
@@ -26,8 +30,4 @@
     <configuration name="Config2">
         <memberEntity name="TestEntity2"/>
     </configuration>
-    <elements>
-        <element name="TestEntity1AAA" positionX="-63" positionY="-18" width="128" height="165"/>
-        <element name="TestEntity2" positionX="-63" positionY="9" width="128" height="165"/>
-    </elements>
 </model>

CoreStoreTests/ObjectObserverTests.swift

@@ -2,7 +2,7 @@
 //  ObjectObserverTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -31,7 +31,6 @@ import CoreStore
 
 // MARK: - ObjectObserverTests
 
-@available(OSX 10.12, *)
 class ObjectObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -41,7 +40,7 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             self.prepareTestDataForStack(stack)
             
-            guard let object = stack.fetchOne(
+            guard let object = try stack.fetchOne(
                 From<TestEntity1>(),
                 Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
                     
@@ -57,7 +56,7 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willUpdateExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "objectMonitor:willUpdateObject:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -74,7 +73,7 @@ class ObjectObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didUpdateExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "objectMonitor:didUpdateObject:changedPersistentKeys:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -138,7 +137,7 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             self.prepareTestDataForStack(stack)
             
-            guard let object = stack.fetchOne(
+            guard let object = try stack.fetchOne(
                 From<TestEntity1>(),
                 Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
                     
@@ -154,7 +153,7 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let didDeleteExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "objectMonitor:didDeleteObject:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -203,7 +202,6 @@ class ObjectObserverTests: BaseTestDataTestCase {
 
 // MARK: TestObjectObserver
 
-@available(OSX 10.12, *)
 class TestObjectObserver: ObjectObserver {
     
     typealias ObjectEntityType = TestEntity1

CoreStoreTests/ObjectPublisherTests.swift

@@ -0,0 +1,154 @@
+//
+//  ObjectPublisherTests.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import XCTest
+
+@testable
+import CoreStore
+
+
+// MARK: - ObjectPublisherTests
+
+class ObjectPublisherTests: BaseTestDataTestCase {
+
+    @objc
+    dynamic func test_ThatObjectPublishers_CanReceiveUpdateNotifications() {
+
+        self.prepareStack { (stack) in
+
+            self.prepareTestDataForStack(stack)
+
+            guard let object = try stack.fetchOne(
+                From<TestEntity1>(),
+                Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
+
+                    XCTFail()
+                    return
+            }
+            let observer = NSObject()
+            let objectPublisher = stack.publishObject(object)
+            XCTAssertEqual(objectPublisher.object, object)
+            XCTAssertNotNil(objectPublisher.snapshot)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            objectPublisher.addObserver(observer) { objectPublisher in
+
+                XCTAssertEqual(objectPublisher.object?.testNumber, NSNumber(value: 10))
+                XCTAssertEqual(objectPublisher.object?.testString, "nil:TestEntity1:10")
+
+                didChangeExpectation.fulfill()
+            }
+
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    guard let object = transaction.edit(object) else {
+
+                        XCTFail()
+                        try transaction.cancel()
+                    }
+                    object.testNumber = NSNumber(value: 10)
+                    object.testString = "nil:TestEntity1:10"
+
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+
+            withExtendedLifetime(objectPublisher, {})
+            withExtendedLifetime(observer, {})
+        }
+    }
+
+    @objc
+    dynamic func test_ThatObjectPublishers_CanReceiveDeleteNotifications() {
+
+        self.prepareStack { (stack) in
+
+            self.prepareTestDataForStack(stack)
+
+            guard let object = try stack.fetchOne(
+                From<TestEntity1>(),
+                Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
+
+                    XCTFail()
+                    return
+            }
+            let observer = NSObject()
+            let objectPublisher = stack.publishObject(object)
+            XCTAssertEqual(objectPublisher.object, object)
+            XCTAssertNotNil(objectPublisher.snapshot)
+
+            let didChangeExpectation = self.expectation(description: "didChange")
+            objectPublisher.addObserver(observer) { objectPublisher in
+
+                XCTAssertNil(objectPublisher.object)
+                XCTAssertNil(objectPublisher.snapshot)
+
+                didChangeExpectation.fulfill()
+            }
+
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+
+                    guard let object = transaction.edit(object) else {
+
+                        XCTFail()
+                        try transaction.cancel()
+                    }
+                    transaction.delete(object)
+
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+
+                    XCTFail()
+                }
+            )
+            
+            self.waitAndCheckExpectations()
+
+            withExtendedLifetime(objectPublisher, {})
+            withExtendedLifetime(observer, {})
+        }
+    }
+}
+

CoreStoreTests/OrderByTests.swift

@@ -2,7 +2,7 @@
 //  OrderByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -179,7 +180,7 @@ final class OrderByTests: XCTestCase {
     dynamic func test_ThatOrderByClauses_ApplyToFetchRequestsCorrectly() {
         
         let orderBy = OrderBy<NSManagedObject>(.ascending("key"))
-        let request = CoreStoreFetchRequest()
+        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
         orderBy.applyToFetchRequest(request)
         XCTAssertNotNil(request.sortDescriptors)
         XCTAssertEqual(request.sortDescriptors ?? [], orderBy.sortDescriptors)

CoreStoreTests/QueryTests.swift

@@ -2,7 +2,7 @@
 //  QueryTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -47,7 +48,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(#keyPath(TestEntity1.testBoolean)),
                     queryClauses
@@ -57,7 +58,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -67,7 +68,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -77,7 +78,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -87,7 +88,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -97,7 +98,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -107,7 +108,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -117,7 +118,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -127,7 +128,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(#keyPath(TestEntity1.testNumber)),
                     queryClauses
@@ -137,7 +138,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(#keyPath(TestEntity1.testDecimal)),
                     queryClauses
@@ -147,7 +148,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(#keyPath(TestEntity1.testString)),
                     queryClauses
@@ -157,7 +158,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(#keyPath(TestEntity1.testString)),
                     queryClauses
@@ -167,7 +168,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(#keyPath(TestEntity1.testData)),
                     queryClauses
@@ -177,7 +178,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(#keyPath(TestEntity1.testData)),
                     queryClauses
@@ -187,7 +188,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(#keyPath(TestEntity1.testDate)),
                     queryClauses
@@ -197,7 +198,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(#keyPath(TestEntity1.testDate)),
                     queryClauses
@@ -207,7 +208,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(#keyPath(TestEntity1.testDate)),
                     queryClauses
@@ -232,7 +233,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.average(#keyPath(TestEntity1.testBoolean))),
                     queryClauses
@@ -242,7 +243,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -252,7 +253,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -262,7 +263,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -272,7 +273,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -282,7 +283,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -292,7 +293,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -302,7 +303,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -312,7 +313,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.average(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -322,7 +323,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.average(#keyPath(TestEntity1.testDecimal))),
                     queryClauses
@@ -332,7 +333,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.average(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -341,7 +342,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.average(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -350,7 +351,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.average(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -359,7 +360,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.average(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -368,7 +369,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.average(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -377,7 +378,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.average(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -386,7 +387,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(#keyPath(TestEntity1.testEntityID)),
                     queryClauses
@@ -410,7 +411,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.count(#keyPath(TestEntity1.testBoolean))),
                     queryClauses
@@ -420,7 +421,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -430,7 +431,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -440,7 +441,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -450,7 +451,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -460,7 +461,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -470,7 +471,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -480,7 +481,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -490,7 +491,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.count(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -500,7 +501,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.count(#keyPath(TestEntity1.testDecimal))),
                     queryClauses
@@ -509,7 +510,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.count(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -518,7 +519,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.count(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -527,7 +528,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.count(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -536,7 +537,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.count(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -545,7 +546,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.count(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -554,7 +555,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.count(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -563,7 +564,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(.count(#keyPath(TestEntity1.testEntityID))),
                     queryClauses
@@ -587,7 +588,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.maximum(#keyPath(TestEntity1.testBoolean))),
                     queryClauses
@@ -597,7 +598,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -607,7 +608,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -617,7 +618,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -627,7 +628,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -637,7 +638,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -647,7 +648,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -657,7 +658,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -667,7 +668,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.maximum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -677,7 +678,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.maximum(#keyPath(TestEntity1.testDecimal))),
                     queryClauses
@@ -687,7 +688,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.maximum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -697,7 +698,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.maximum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -707,7 +708,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.maximum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -717,7 +718,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.maximum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -727,7 +728,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.maximum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -737,7 +738,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.maximum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -747,7 +748,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(.maximum(#keyPath(TestEntity1.testEntityID))),
                     queryClauses
@@ -771,7 +772,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.minimum(#keyPath(TestEntity1.testBoolean))),
                     queryClauses
@@ -781,7 +782,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -791,7 +792,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -801,7 +802,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -811,7 +812,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -821,7 +822,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -831,7 +832,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -841,7 +842,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -851,7 +852,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.minimum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -861,7 +862,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.minimum(#keyPath(TestEntity1.testDecimal))),
                     queryClauses
@@ -871,7 +872,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.minimum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -881,7 +882,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.minimum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -891,7 +892,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.minimum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -901,7 +902,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.minimum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -911,7 +912,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.minimum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -921,7 +922,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.minimum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -931,7 +932,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(.minimum(#keyPath(TestEntity1.testEntityID))),
                     queryClauses
@@ -955,7 +956,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.sum(#keyPath(TestEntity1.testBoolean))),
                     queryClauses
@@ -965,7 +966,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -975,7 +976,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -985,7 +986,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -995,7 +996,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -1005,7 +1006,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -1015,7 +1016,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -1025,7 +1026,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -1035,7 +1036,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.sum(#keyPath(TestEntity1.testNumber))),
                     queryClauses
@@ -1045,7 +1046,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.sum(#keyPath(TestEntity1.testDecimal))),
                     queryClauses
@@ -1055,7 +1056,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.sum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -1064,7 +1065,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.sum(#keyPath(TestEntity1.testString))),
                     queryClauses
@@ -1073,7 +1074,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.sum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -1082,7 +1083,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.sum(#keyPath(TestEntity1.testData))),
                     queryClauses
@@ -1091,7 +1092,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.sum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -1100,7 +1101,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.sum(#keyPath(TestEntity1.testDate))),
                     queryClauses
@@ -1109,7 +1110,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(.sum(#keyPath(TestEntity1.testEntityID))),
                     queryClauses
@@ -1133,7 +1134,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Bool>(.objectID()),
                     queryClauses
@@ -1142,7 +1143,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int8>(.objectID()),
                     queryClauses
@@ -1151,7 +1152,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int16>(.objectID()),
                     queryClauses
@@ -1160,7 +1161,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int32>(.objectID()),
                     queryClauses
@@ -1169,7 +1170,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int64>(.objectID()),
                     queryClauses
@@ -1178,7 +1179,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Int>(.objectID()),
                     queryClauses
@@ -1187,7 +1188,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Double>(.objectID()),
                     queryClauses
@@ -1196,7 +1197,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Float>(.objectID()),
                     queryClauses
@@ -1205,7 +1206,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSNumber>(.objectID()),
                     queryClauses
@@ -1214,7 +1215,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDecimalNumber>(.objectID()),
                     queryClauses
@@ -1223,7 +1224,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, String>(.objectID()),
                     queryClauses
@@ -1232,7 +1233,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSString>(.objectID()),
                     queryClauses
@@ -1241,7 +1242,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Data>(.objectID()),
                     queryClauses
@@ -1250,7 +1251,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSData>(.objectID()),
                     queryClauses
@@ -1259,7 +1260,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, Date>(.objectID()),
                     queryClauses
@@ -1268,7 +1269,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSDate>(.objectID()),
                     queryClauses
@@ -1277,7 +1278,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let value = stack.queryValue(
+                let value = try stack.queryValue(
                     from,
                     Select<TestEntity1, NSManagedObjectID>(.objectID()),
                     queryClauses
@@ -1302,7 +1303,7 @@ class QueryTests: BaseTestDataTestCase {
             ]
             do {
                 
-                let values = stack.queryAttributes(
+                let values = try stack.queryAttributes(
                     from,
                     Select<TestEntity1, NSDictionary>(
                         #keyPath(TestEntity1.testBoolean),
@@ -1353,7 +1354,7 @@ class QueryTests: BaseTestDataTestCase {
             let queryClauses: [QueryClause] = []
             do {
                 
-                let values = stack.queryAttributes(
+                let values = try stack.queryAttributes(
                     from,
                     Select<TestEntity1, NSDictionary>(
                         .sum(#keyPath(TestEntity1.testBoolean)),
@@ -1380,7 +1381,7 @@ class QueryTests: BaseTestDataTestCase {
             }
             do {
                 
-                let values = stack.queryAttributes(
+                let values = try stack.queryAttributes(
                     from,
                     Select(
                         .sum(#keyPath(TestEntity1.testBoolean), as: "testSum"),

CoreStoreTests/SectionByTests.swift

@@ -2,7 +2,7 @@
 //  SectionByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -31,7 +32,6 @@ import CoreStore
 
 //MARK: - SectionByTests
 
-@available(OSX 10.12, *)
 final class SectionByTests: XCTestCase {
     
     @objc
@@ -41,11 +41,14 @@ final class SectionByTests: XCTestCase {
             
             let sectionBy = SectionBy<NSManagedObject>("key")
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
-            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key")
+            XCTAssertNil(sectionBy.sectionIndexTransformer("key"))
         }
         do {
             
-            let sectionBy = SectionBy<NSManagedObject>("key") { $0.flatMap { "\($0):suffix" } }
+            let sectionBy = SectionBy<NSManagedObject>(
+                "key",
+                sectionIndexTransformer: { $0.flatMap { "\($0):suffix" } }
+            )
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
             XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key:suffix")
             XCTAssertNil(sectionBy.sectionIndexTransformer(nil))

CoreStoreTests/SelectTests.swift

@@ -2,7 +2,7 @@
 //  SelectTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable

CoreStoreTests/SetupTests.swift

@@ -2,7 +2,7 @@
 //  SetupTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,9 @@
 //  SOFTWARE.
 //
 
+import CoreData
+import XCTest
+
 @testable
 import CoreStore
 
@@ -39,7 +42,7 @@ class SetupTests: BaseTestDataTestCase {
             let schemaHistory = SchemaHistory(
                 XcodeDataModelSchema.from(
                     modelName: "Model",
-                    bundle: Bundle(for: type(of: self))
+                    bundle: Bundle.module
                 )
             )
             let stack = DataStack(schemaHistory: schemaHistory)
@@ -56,9 +59,6 @@ class SetupTests: BaseTestDataTestCase {
             XCTAssertTrue(stack.schemaHistory.migrationChain.isEmpty)
             XCTAssertTrue(stack.schemaHistory.migrationChain.rootVersions.isEmpty)
             XCTAssertTrue(stack.schemaHistory.migrationChain.leafVersions.isEmpty)
-            
-            CoreStore.defaultStack = stack
-            XCTAssertEqual(CoreStore.defaultStack, stack)
         }
         do {
             
@@ -68,15 +68,12 @@ class SetupTests: BaseTestDataTestCase {
                 
                 DataStack(
                     xcodeModelName: "Model",
-                    bundle: Bundle(for: type(of: self)),
+                    bundle: Bundle.module,
                     migrationChain: migrationChain
                 )
             }
             XCTAssertEqual(stack.modelVersion, "Model")
             XCTAssertEqual(stack.schemaHistory.migrationChain, migrationChain)
-            
-            CoreStore.defaultStack = stack
-            XCTAssertEqual(CoreStore.defaultStack, stack)
         }
     }
     
@@ -85,7 +82,7 @@ class SetupTests: BaseTestDataTestCase {
         
         let stack = DataStack(
             xcodeModelName: "Model",
-            bundle: Bundle(for: type(of: self))
+            bundle: Bundle.module
         )
         do {
             
@@ -140,7 +137,7 @@ class SetupTests: BaseTestDataTestCase {
         
         let stack = DataStack(
             xcodeModelName: "Model",
-            bundle: Bundle(for: type(of: self))
+            bundle: Bundle.module
         )
         do {
             
@@ -208,7 +205,7 @@ class SetupTests: BaseTestDataTestCase {
                 
                 let stack = DataStack(
                     xcodeModelName: "Model",
-                    bundle: Bundle(for: type(of: self))
+                    bundle: Bundle.module
                 )
                 try! stack.addStorageAndWait(sqliteStore)
                 self.prepareTestDataForStack(stack)
@@ -227,7 +224,7 @@ class SetupTests: BaseTestDataTestCase {
             let metadata = try createStore()
             let stack = DataStack(
                 xcodeModelName: "Model",
-                bundle: Bundle(for: type(of: self))
+                bundle: Bundle.module
             )
             try sqliteStore.cs_eraseStorageAndWait(
                 metadata: metadata,
@@ -260,7 +257,7 @@ class SetupTests: BaseTestDataTestCase {
         
         let stack = DataStack(
             xcodeModelName: "Model",
-            bundle: Bundle(for: type(of: self))
+            bundle: Bundle.module
         )
         do {
             
@@ -328,9 +325,16 @@ class SetupTests: BaseTestDataTestCase {
                 
                 let stack = DataStack(
                     xcodeModelName: "Model",
-                    bundle: Bundle(for: type(of: self))
+                    bundle: Bundle.module
+                )
+                try! stack.addStorageAndWait(
+                    SQLiteStore.legacy(
+                        fileName: sqliteStore.fileURL.lastPathComponent,
+                        configuration: sqliteStore.configuration,
+                        migrationMappingProviders: sqliteStore.migrationMappingProviders,
+                        localStorageOptions: .recreateStoreOnModelMismatch
+                    )
                 )
-                try! stack.addStorageAndWait(sqliteStore)
                 self.prepareTestDataForStack(stack)
             }
             XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
@@ -347,7 +351,7 @@ class SetupTests: BaseTestDataTestCase {
             let metadata = try createStore()
             let stack = DataStack(
                 xcodeModelName: "Model",
-                bundle: Bundle(for: type(of: self))
+                bundle: Bundle.module
             )
             try sqliteStore.cs_eraseStorageAndWait(
                 metadata: metadata,

CoreStoreTests/StorageInterfaceTests.swift

@@ -2,7 +2,7 @@
 //  StorageInterfaceTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -83,7 +84,11 @@ final class StorageInterfaceTests: XCTestCase {
         let store = SQLiteStore()
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        XCTAssertEqual(store.storeOptions as NSDictionary?, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, SQLiteStore.defaultFileURL)
         XCTAssertTrue(store.migrationMappingProviders.isEmpty)
@@ -93,12 +98,12 @@ final class StorageInterfaceTests: XCTestCase {
     @objc
     dynamic func test_ThatFileURLSQLiteStores_ConfigureCorrectly() {
         
-        let fileURL = NSURL(fileURLWithPath: NSTemporaryDirectory())
+        let fileURL = FileManager.default.temporaryDirectory
-            .appendingPathComponent(NSUUID().uuidString, isDirectory: false)!
+            .appendingPathComponent(UUID().uuidString, isDirectory: false)
             .appendingPathExtension("db")
         let mappingProvider = XcodeSchemaMappingProvider(
             from: "V1", to: "V2",
-            mappingModelBundle: Bundle(for: type(of: self))
+            mappingModelBundle: Bundle.module
         )
         
         let store = SQLiteStore(
@@ -109,7 +114,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions as NSDictionary?, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, fileURL)
         XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
@@ -122,7 +131,7 @@ final class StorageInterfaceTests: XCTestCase {
         let fileName = UUID().uuidString + ".db"
         let mappingProvider = XcodeSchemaMappingProvider(
             from: "V1", to: "V2",
-            mappingModelBundle: Bundle(for: type(of: self))
+            mappingModelBundle: Bundle.module
         )
         let store = SQLiteStore(
             fileName: fileName,
@@ -132,7 +141,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions as NSDictionary?, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.defaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
@@ -167,7 +180,11 @@ final class StorageInterfaceTests: XCTestCase {
         let store = SQLiteStore.legacy()
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        XCTAssertEqual(store.storeOptions as NSDictionary?, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL, SQLiteStore.legacyDefaultFileURL)
         XCTAssertTrue(store.migrationMappingProviders.isEmpty)
@@ -180,7 +197,7 @@ final class StorageInterfaceTests: XCTestCase {
         let fileName = UUID().uuidString + ".db"
         let mappingProvider = XcodeSchemaMappingProvider(
             from: "V1", to: "V2",
-            mappingModelBundle: Bundle(for: type(of: self))
+            mappingModelBundle: Bundle.module
         )
         let store = SQLiteStore.legacy(
             fileName: fileName,
@@ -190,7 +207,11 @@ final class StorageInterfaceTests: XCTestCase {
         )
         XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions as NSDictionary?, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        XCTAssertEqual(
+            store.storeOptions as NSDictionary?,
+            [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+             NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+        )
         
         XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.legacyDefaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)

CoreStoreTests/TestEntity1.swift

@@ -2,7 +2,7 @@
 //  TestEntity1.swift
 //  CoreStore
 //
-//  Copyright © 2014 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -36,4 +36,6 @@ class TestEntity1: NSManagedObject {
     @NSManaged var testDecimal: NSDecimalNumber?
     @NSManaged var testData: Data?
     @NSManaged var testNil: String?
+    @NSManaged var testToOne: TestEntity1?
+    @NSManaged var testToManyUnordered: NSSet?
 }

CoreStoreTests/TestEntity2.swift

@@ -2,7 +2,7 @@
 //  TestEntity1.swift
 //  CoreStore
 //
-//  Copyright © 2014 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -36,4 +36,6 @@ class TestEntity2: NSManagedObject {
     @NSManaged var testDecimal: NSDecimalNumber?
     @NSManaged var testData: Data?
     @NSManaged var testNil: String?
+    @NSManaged var testToOne: TestEntity2?
+    @NSManaged var testToManyOrdered: NSOrderedSet?
 }

CoreStoreTests/TransactionTests.swift

@@ -2,7 +2,7 @@
 //  TransactionTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import Foundation
 import XCTest
 
 @testable
@@ -69,9 +70,9 @@ final class TransactionTests: BaseTestCase {
                 self.checkExpectationsImmediately()
                 XCTAssertTrue(hasChanges)
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.fetchSource()?.unsafeContext(), stack.mainContext)
                 XCTAssertEqual(object?.querySource()?.unsafeContext(), stack.mainContext)
@@ -84,14 +85,14 @@ final class TransactionTests: BaseTestCase {
             do {
                 
                 let updateExpectation = self.expectation(description: "update")
-                let hasChanges: Bool = try! stack.perform(
+                let hasChanges: Bool = try stack.perform(
                     synchronous: { (transaction) in
                         
                         defer {
                             
                             updateExpectation.fulfill()
                         }
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             // TODO: convert fetch methods to throwing methods
                             XCTFail() 
                             try transaction.cancel()
@@ -107,9 +108,9 @@ final class TransactionTests: BaseTestCase {
                 self.checkExpectationsImmediately()
                 XCTAssertTrue(hasChanges)
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                 XCTAssertEqual(object?.testString, "string1_edit")
@@ -128,7 +129,7 @@ final class TransactionTests: BaseTestCase {
                                 
                                 deleteExpectation.fulfill()
                             }
-                            let object = transaction.fetchOne(From<TestEntity1>())
+                            let object = try transaction.fetchOne(From<TestEntity1>())
                             transaction.delete(object)
                             return transaction.hasChanges
                         }
@@ -141,9 +142,9 @@ final class TransactionTests: BaseTestCase {
                 }
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNil(object)
             }
         }
@@ -184,10 +185,10 @@ final class TransactionTests: BaseTestCase {
                 }
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
                 
-                let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                let object = try stack.fetchOne(From<TestEntity1>("Config1"))
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                 XCTAssertEqual(object?.testString, "string1")
@@ -206,7 +207,7 @@ final class TransactionTests: BaseTestCase {
                                 
                                 updateExpectation.fulfill()
                             }
-                            guard let object = transaction.fetchOne(From<TestEntity1>("Config1")) else {
+                            guard let object = try transaction.fetchOne(From<TestEntity1>("Config1")) else {
                                 
                                 XCTFail()
                                 try transaction.cancel()
@@ -226,10 +227,10 @@ final class TransactionTests: BaseTestCase {
                 }
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
                 
-                let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                let object = try stack.fetchOne(From<TestEntity1>("Config1"))
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                 XCTAssertEqual(object?.testString, "string1_edit")
@@ -248,7 +249,7 @@ final class TransactionTests: BaseTestCase {
                                 
                                 deleteExpectation.fulfill()
                             }
-                            let object = transaction.fetchOne(From<TestEntity1>("Config1"))
+                            let object = try transaction.fetchOne(From<TestEntity1>("Config1"))
                             transaction.delete(object)
                             
                             return transaction.hasChanges
@@ -262,8 +263,8 @@ final class TransactionTests: BaseTestCase {
                 }
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 0)
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
             }
         }
     }
@@ -294,17 +295,17 @@ final class TransactionTests: BaseTestCase {
                 )
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNil(object)
             }
             let testDate = Date()
             do {
                 
                 let createExpectation = self.expectation(description: "create")
-                let dataPrepared: Void? = try? stack.perform(
+                try stack.perform(
-                    synchronous: { (transaction) in
+                    synchronous: { (transaction) -> Void in
                         
                         let object = transaction.create(Into<TestEntity1>())
                         object.testEntityID = NSNumber(value: 1)
@@ -313,10 +314,7 @@ final class TransactionTests: BaseTestCase {
                         object.testDate = testDate
                     }
                 )
-                if dataPrepared != nil {
+                createExpectation.fulfill()
-                    
-                    createExpectation.fulfill()
-                }
                 self.checkExpectationsImmediately()
             }
             do {
@@ -329,7 +327,7 @@ final class TransactionTests: BaseTestCase {
                             
                             updateDiscardExpectation.fulfill()
                         }
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             
                             XCTFail()
                             try transaction.cancel()
@@ -343,9 +341,9 @@ final class TransactionTests: BaseTestCase {
                 )
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                 XCTAssertEqual(object?.testString, "string1")
@@ -362,7 +360,7 @@ final class TransactionTests: BaseTestCase {
                             
                             deleteDiscardExpectation.fulfill()
                         }
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             
                             XCTFail()
                             try transaction.cancel()
@@ -374,9 +372,9 @@ final class TransactionTests: BaseTestCase {
                 )
                 self.checkExpectationsImmediately()
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                 
-                let object = stack.fetchOne(From<TestEntity1>())
+                let object = try stack.fetchOne(From<TestEntity1>())
                 XCTAssertNotNil(object)
                 XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                 XCTAssertEqual(object?.testString, "string1")
@@ -386,8 +384,6 @@ final class TransactionTests: BaseTestCase {
         }
     }
     
-    
-    @available(OSX 10.12, *)
     @objc
     dynamic func test_ThatSynchronousTransactions_CanCommitWithoutWaitingForMerges() {
         
@@ -403,7 +399,7 @@ final class TransactionTests: BaseTestCase {
             XCTAssertFalse(monitor.hasObjects())
             
             var events = 0
-            let willChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -417,7 +413,7 @@ final class TransactionTests: BaseTestCase {
                     return events == 0
                 }
             )
-            let didInsertObjectExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -431,9 +427,9 @@ final class TransactionTests: BaseTestCase {
                         ["indexPath", "object"]
                     )
                     
-                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    let indexPath = userInfo?["indexPath"] as? IndexPath
-                    XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
+                    XCTAssertEqual(indexPath?.section, 0)
-                    XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
+                    XCTAssertEqual(indexPath?.item, 0)
                     
                     let object = userInfo?["object"] as? TestEntity1
                     XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
@@ -447,7 +443,7 @@ final class TransactionTests: BaseTestCase {
                     return events == 1
                 }
             )
-            let didChangeExpectation = self.expectation(
+            _ = self.expectation(
                 forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
@@ -520,19 +516,26 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                        do {
-                        
+
-                        let object = stack.fetchOne(From<TestEntity1>())
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
-                        XCTAssertNotNil(object)
+
-                        XCTAssertEqual(object?.fetchSource()?.unsafeContext(), stack.mainContext)
+                            let object = try stack.fetchOne(From<TestEntity1>())
-                        XCTAssertEqual(object?.querySource()?.unsafeContext(), stack.mainContext)
+                            XCTAssertNotNil(object)
-                        
+                            XCTAssertEqual(object?.fetchSource()?.unsafeContext(), stack.mainContext)
-                        XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
+                            XCTAssertEqual(object?.querySource()?.unsafeContext(), stack.mainContext)
-                        XCTAssertEqual(object?.testString, "string1")
+
-                        XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
-                        XCTAssertEqual(object?.testDate, testDate)
+                            XCTAssertEqual(object?.testString, "string1")
-                        createExpectation.fulfill()
+                            XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testDate, testDate)
+                            createExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -546,7 +549,7 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Bool in
                         
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             
                             XCTFail()
                             try transaction.cancel()
@@ -560,16 +563,23 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                        do {
-                        
+
-                        let object = stack.fetchOne(From<TestEntity1>())
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
-                        XCTAssertNotNil(object)
+
-                        XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
+                            let object = try stack.fetchOne(From<TestEntity1>())
-                        XCTAssertEqual(object?.testString, "string1_edit")
+                            XCTAssertNotNil(object)
-                        XCTAssertEqual(object?.testNumber, 200)
+                            XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
-                        XCTAssertEqual(object?.testDate, Date.distantFuture)
+                            XCTAssertEqual(object?.testString, "string1_edit")
-                        updateExpectation.fulfill()
+                            XCTAssertEqual(object?.testNumber, 200)
+                            XCTAssertEqual(object?.testDate, Date.distantFuture)
+                            updateExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -583,7 +593,7 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Bool in
                         
-                        let object = transaction.fetchOne(From<TestEntity1>())
+                        let object = try transaction.fetchOne(From<TestEntity1>())
                         transaction.delete(object)
                         
                         return transaction.hasChanges
@@ -591,12 +601,19 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+                        do {
-                        
+
-                        let object = stack.fetchOne(From<TestEntity1>())
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
-                        XCTAssertNil(object)
+
-                        deleteExpectation.fulfill()
+                            let object = try stack.fetchOne(From<TestEntity1>())
+                            XCTAssertNil(object)
+                            deleteExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -604,8 +621,8 @@ final class TransactionTests: BaseTestCase {
                     }
                 )
             }
+            self.waitAndCheckExpectations()
         }
-        self.waitAndCheckExpectations()
     }
     
     @objc
@@ -631,17 +648,24 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                        do {
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+
-                        
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                        let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
-                        XCTAssertNotNil(object)
+
-                        XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
+                            let object = try stack.fetchOne(From<TestEntity1>("Config1"))
-                        XCTAssertEqual(object?.testString, "string1")
+                            XCTAssertNotNil(object)
-                        XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
-                        XCTAssertEqual(object?.testDate, testDate)
+                            XCTAssertEqual(object?.testString, "string1")
-                        createExpectation.fulfill()
+                            XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testDate, testDate)
+                            createExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -655,7 +679,7 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Bool in
                         
-                        guard let object = transaction.fetchOne(From<TestEntity1>("Config1")) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>("Config1")) else {
                             
                             XCTFail()
                             try transaction.cancel()
@@ -669,17 +693,24 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                        do {
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+
-                        
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                        let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
-                        XCTAssertNotNil(object)
+
-                        XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
+                            let object = try stack.fetchOne(From<TestEntity1>("Config1"))
-                        XCTAssertEqual(object?.testString, "string1_edit")
+                            XCTAssertNotNil(object)
-                        XCTAssertEqual(object?.testNumber, 200)
+                            XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
-                        XCTAssertEqual(object?.testDate, Date.distantFuture)
+                            XCTAssertEqual(object?.testString, "string1_edit")
-                        updateExpectation.fulfill()
+                            XCTAssertEqual(object?.testNumber, 200)
+                            XCTAssertEqual(object?.testDate, Date.distantFuture)
+                            updateExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -693,7 +724,7 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Bool in
                         
-                        let object = transaction.fetchOne(From<TestEntity1>("Config1"))
+                        let object = try transaction.fetchOne(From<TestEntity1>("Config1"))
                         transaction.delete(object)
                         
                         return transaction.hasChanges
@@ -701,11 +732,21 @@ final class TransactionTests: BaseTestCase {
                     success: { (hasChanges) in
                         
                         XCTAssertTrue(hasChanges)
-                        
+
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 0)
+                        do {
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+
-                        
+                            let configCount = try stack.fetchCount(From<TestEntity1>("Config1"))
-                        deleteExpectation.fulfill()
+                            XCTAssertEqual(configCount, 0)
+
+                            let defaultCount = try stack.fetchCount(From<TestEntity1>(nil))
+                            XCTAssertEqual(defaultCount, 0)
+
+                            deleteExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     },
                     failure: { _ in
                         
@@ -713,8 +754,8 @@ final class TransactionTests: BaseTestCase {
                     }
                 )
             }
+            self.waitAndCheckExpectations()
         }
-        self.waitAndCheckExpectations()
     }
     
     @objc
@@ -754,8 +795,8 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Bool in
                         
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 0)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 0)
-                        XCTAssertNil(transaction.fetchOne(From<TestEntity1>()))
+                        XCTAssertNil(try transaction.fetchOne(From<TestEntity1>()))
                         
                         let object = transaction.create(Into<TestEntity1>())
                         object.testEntityID = NSNumber(value: 1)
@@ -782,7 +823,7 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Void in
                         
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             
                             XCTFail()
                             return
@@ -811,9 +852,9 @@ final class TransactionTests: BaseTestCase {
                 stack.perform(
                     asynchronous: { (transaction) -> Void in
                         
-                        XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                        XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
                         
-                        guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                        guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                             
                             XCTFail()
                             try transaction.cancel()
@@ -835,20 +876,27 @@ final class TransactionTests: BaseTestCase {
                     failure: { (error) in
                         
                         XCTAssertEqual(error, CoreStoreError.userCancelled)
-                        XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                        do {
-                        
+
-                        let object = stack.fetchOne(From<TestEntity1>())
+                            XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
-                        XCTAssertNotNil(object)
+
-                        XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
+                            let object = try stack.fetchOne(From<TestEntity1>())
-                        XCTAssertEqual(object?.testString, "string1")
+                            XCTAssertNotNil(object)
-                        XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
-                        XCTAssertEqual(object?.testDate, testDate)
+                            XCTAssertEqual(object?.testString, "string1")
-                        deleteDiscardExpectation.fulfill()
+                            XCTAssertEqual(object?.testNumber, 100)
+                            XCTAssertEqual(object?.testDate, testDate)
+                            deleteDiscardExpectation.fulfill()
+                        }
+                        catch {
+
+                            XCTFail()
+                        }
                     }
                 )
             }
+            self.waitAndCheckExpectations()
         }
-        self.waitAndCheckExpectations()
     }
     
     @objc
@@ -878,9 +926,9 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                     
-                    let object = stack.fetchOne(From<TestEntity1>())
+                    let object = try stack.fetchOne(From<TestEntity1>())
                     XCTAssertNotNil(object)
                     XCTAssertEqual(object?.fetchSource()?.unsafeContext(), stack.mainContext)
                     XCTAssertEqual(object?.querySource()?.unsafeContext(), stack.mainContext)
@@ -897,7 +945,7 @@ final class TransactionTests: BaseTestCase {
             }
             do {
                 
-                guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                     
                     XCTFail()
                     return
@@ -911,9 +959,9 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
                     
-                    let object = stack.fetchOne(From<TestEntity1>())
+                    let object = try stack.fetchOne(From<TestEntity1>())
                     XCTAssertNotNil(object)
                     XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object?.testString, "string1_edit")
@@ -927,7 +975,7 @@ final class TransactionTests: BaseTestCase {
             }
             do {
                 
-                let object = transaction.fetchOne(From<TestEntity1>())
+                let object = try transaction.fetchOne(From<TestEntity1>())
                 transaction.delete(object)
                 
                 do {
@@ -935,8 +983,8 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
-                    XCTAssertNil(stack.fetchOne(From<TestEntity1>()))
+                    XCTAssertNil(try stack.fetchOne(From<TestEntity1>()))
                 }
                 catch {
                     
@@ -967,10 +1015,10 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
                     
-                    let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                    let object = try stack.fetchOne(From<TestEntity1>("Config1"))
                     XCTAssertNotNil(object)
                     XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object?.testString, "string1")
@@ -984,7 +1032,7 @@ final class TransactionTests: BaseTestCase {
             }
             do {
                 
-                guard let object = transaction.fetchOne(From<TestEntity1>("Config1")) else {
+                guard let object = try transaction.fetchOne(From<TestEntity1>("Config1")) else {
                     
                     XCTFail()
                     return
@@ -998,10 +1046,10 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 1)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 1)
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
                     
-                    let object = stack.fetchOne(From<TestEntity1>("Config1"))
+                    let object = try stack.fetchOne(From<TestEntity1>("Config1"))
                     XCTAssertNotNil(object)
                     XCTAssertEqual(object?.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object?.testString, "string1_edit")
@@ -1015,7 +1063,7 @@ final class TransactionTests: BaseTestCase {
             }
             do {
                 
-                let object = transaction.fetchOne(From<TestEntity1>("Config1"))
+                let object = try transaction.fetchOne(From<TestEntity1>("Config1"))
                 transaction.delete(object)
                 
                 do {
@@ -1023,8 +1071,8 @@ final class TransactionTests: BaseTestCase {
                     XCTAssertTrue(transaction.hasChanges)
                     try transaction.commitAndWait()
                     
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>("Config1")), 0)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>("Config1")), 0)
-                    XCTAssertEqual(stack.fetchCount(From<TestEntity1>(nil)), 0)
+                    XCTAssertEqual(try stack.fetchCount(From<TestEntity1>(nil)), 0)
                 }
                 catch {
                     
@@ -1050,11 +1098,11 @@ final class TransactionTests: BaseTestCase {
                 
                 transaction.rollback()
                 
-                XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 0)
+                XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 0)
-                XCTAssertNil(transaction.fetchOne(From<TestEntity1>()))
+                XCTAssertNil(try transaction.fetchOne(From<TestEntity1>()))
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 0)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 0)
-                XCTAssertNil(stack.fetchOne(From<TestEntity1>()))
+                XCTAssertNil(try stack.fetchOne(From<TestEntity1>()))
             }
             
             let testDate = Date()
@@ -1079,7 +1127,7 @@ final class TransactionTests: BaseTestCase {
             
             do {
                 
-                guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                     
                     XCTFail()
                     return
@@ -1090,8 +1138,8 @@ final class TransactionTests: BaseTestCase {
                 
                 transaction.rollback()
                 
-                XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
-                if let object = transaction.fetchOne(From<TestEntity1>()) {
+                if let object = try transaction.fetchOne(From<TestEntity1>()) {
                     
                     XCTAssertEqual(object.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object.testString, "string1")
@@ -1103,8 +1151,8 @@ final class TransactionTests: BaseTestCase {
                     XCTFail()
                 }
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
-                if let object = stack.fetchOne(From<TestEntity1>()) {
+                if let object = try stack.fetchOne(From<TestEntity1>()) {
                     
                     XCTAssertEqual(object.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object.testString, "string1")
@@ -1119,7 +1167,7 @@ final class TransactionTests: BaseTestCase {
             
             do {
                 
-                guard let object = transaction.fetchOne(From<TestEntity1>()) else {
+                guard let object = try transaction.fetchOne(From<TestEntity1>()) else {
                     
                     XCTFail()
                     return
@@ -1128,8 +1176,8 @@ final class TransactionTests: BaseTestCase {
                 
                 transaction.rollback()
                 
-                XCTAssertEqual(transaction.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try transaction.fetchCount(From<TestEntity1>()), 1)
-                if let object = transaction.fetchOne(From<TestEntity1>()) {
+                if let object = try transaction.fetchOne(From<TestEntity1>()) {
                     
                     XCTAssertEqual(object.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object.testString, "string1")
@@ -1141,8 +1189,8 @@ final class TransactionTests: BaseTestCase {
                     XCTFail()
                 }
                 
-                XCTAssertEqual(stack.fetchCount(From<TestEntity1>()), 1)
+                XCTAssertEqual(try stack.fetchCount(From<TestEntity1>()), 1)
-                if let object = stack.fetchOne(From<TestEntity1>()) {
+                if let object = try stack.fetchOne(From<TestEntity1>()) {
                     
                     XCTAssertEqual(object.testEntityID, NSNumber(value: 1))
                     XCTAssertEqual(object.testString, "string1")

CoreStoreTests/TweakTests.swift

@@ -2,7 +2,7 @@
 //  TweakTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -43,7 +44,7 @@ final class TweakTests: XCTestCase {
             $0.fetchLimit = 200
             $0.predicate = predicate
         }
-        let request = CoreStoreFetchRequest()
+        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
         tweak.applyToFetchRequest(request)
         XCTAssertEqual(request.fetchOffset, 100)
         XCTAssertEqual(request.fetchLimit, 200)

CoreStoreTests/VersionLockTests.swift

@@ -0,0 +1,55 @@
+//
+//  VersionLockTests.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import XCTest
+
+@testable
+import CoreStore
+
+
+//MARK: - VersionLockTests
+
+final class VersionLockTests: XCTestCase {
+
+    @objc
+    dynamic func test_ThatVersionLocksProduceCorrectHashes() {
+        
+        let versionLock: VersionLock = [
+            "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
+            "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+            "Person": [0x2831cf046084d96d, 0xbe19b13ace54641, 0x635a082728b0f6f0, 0x3d4ef2dd4b74a87c]
+        ]
+        XCTAssertEqual(
+            versionLock.description,
+            """
+            [
+                "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
+                "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+                "Person": [0x2831cf046084d96d, 0xbe19b13ace54641, 0x635a082728b0f6f0, 0x3d4ef2dd4b74a87c]
+            ]
+            """
+        )
+    }
+}

CoreStoreTests/WhereTests.swift

@@ -2,7 +2,7 @@
 //  WhereTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,6 +23,7 @@
 //  SOFTWARE.
 //
 
+import CoreData
 import XCTest
 
 @testable
@@ -31,12 +32,12 @@ import CoreStore
 
 // MARK: - XCTAssertAllEqual
 
-private func XCTAssertAllEqual<D>(_ whereClauses: Where<D>...) {
+private func XCTAssertAllEqual<O>(_ whereClauses: Where<O>...) {
     
     XCTAssertAllEqual(whereClauses)
 }
 
-private func XCTAssertAllEqual<D>(_ whereClauses: [Where<D>]) {
+private func XCTAssertAllEqual<O>(_ whereClauses: [Where<O>]) {
     
     for i in whereClauses.indices {
         
@@ -47,6 +48,17 @@ private func XCTAssertAllEqual<D>(_ whereClauses: [Where<D>]) {
     }
 }
 
+private func XCTAssertAllEqual<D: Equatable>(_ items: D...) {
+
+    for i in items.indices {
+
+        for j in items.indices where j != i {
+
+            XCTAssertEqual(items[i], items[j])
+        }
+    }
+}
+
 
 //MARK: - WhereTests
 
@@ -55,7 +67,276 @@ final class WhereTests: XCTestCase {
     @objc
     dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
         
-        XCTAssertEqual(String(keyPath: \TestEntity1.testEntityID), "testEntityID")
+        XCTAssertAllEqual(String(keyPath: \TestEntity1.testEntityID), "testEntityID")
+        XCTAssertAllEqual(String(keyPath: \Animal.$color), "color")
+    }
+
+    @objc
+    dynamic func test_ThatExpressions_HaveCorrectKeyPaths() {
+
+        do {
+
+            do {
+
+                XCTAssertAllEqual(
+                    #keyPath(TestEntity1.testToOne.testEntityID),
+                    (\TestEntity1.testToOne ~ \.testEntityID).description,
+                    String(keyPath: \TestEntity1.testToOne ~ \.testEntityID)
+                )
+                XCTAssertAllEqual(
+                    #keyPath(TestEntity1.testToOne.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToOne ~ \.testToManyUnordered).description,
+                    String(keyPath: \TestEntity1.testToOne ~ \.testToOne ~ \.testToManyUnordered)
+                )
+                XCTAssertAllEqual(
+                    #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).description,
+                    String(keyPath: \TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered)
+                )
+            }
+            do {
+
+                XCTAssertAllEqual(
+                    "master.pets",
+                    (\Animal.$master ~ \.$pets).description,
+                    String(keyPath: \Animal.$master ~ \.$pets)
+                )
+                XCTAssertAllEqual(
+                    "master.pets.species",
+                    (\Animal.$master ~ \.$pets ~ \.$species).description,
+                    String(keyPath: \Animal.$master ~ \.$pets ~ \.$species)
+                )
+                XCTAssertAllEqual(
+                    "master.pets.master",
+                    (\Animal.$master ~ \.$pets ~ \.$master).description,
+                    String(keyPath: \Animal.$master ~ \.$pets ~ \.$master)
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertAllEqual(
+                    #keyPath(TestEntity1.testToOne.testToManyUnordered) + ".@count",
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).count().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).count())
+                )
+                XCTAssertAllEqual(
+                    #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered) + ".@count",
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).count().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).count())
+                )
+            }
+            do {
+
+                XCTAssertAllEqual(
+                    "master.pets.@count",
+                    (\Animal.$master ~ \.$pets).count().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets).count())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertAllEqual(
+                    "ANY " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).any().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).any())
+                )
+                XCTAssertAllEqual(
+                    "ANY " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).any().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).any())
+                )
+            }
+            do {
+
+                XCTAssertAllEqual(
+                    "ANY master.pets",
+                    (\Animal.$master ~ \.$pets).any().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets).any())
+                )
+                XCTAssertAllEqual(
+                    "ANY master.pets.species",
+                    (\Animal.$master ~ \.$pets ~ \.$species).any().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets ~ \.$species).any())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertAllEqual(
+                    "ALL " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).all().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).all())
+                )
+                XCTAssertAllEqual(
+                    "ALL " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).all().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).all())
+                )
+            }
+            do {
+
+                XCTAssertAllEqual(
+                    "ALL master.pets",
+                    (\Animal.$master ~ \.$pets).all().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets).all())
+                )
+                XCTAssertAllEqual(
+                    "ALL master.pets.species",
+                    (\Animal.$master ~ \.$pets ~ \.$species).all().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets ~ \.$species).all())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertAllEqual(
+                    "NONE " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).none().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).none())
+                )
+                XCTAssertAllEqual(
+                    "NONE " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).none().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).none())
+                )
+            }
+            do {
+
+                XCTAssertAllEqual(
+                    "NONE master.pets",
+                    (\Animal.$master ~ \.$pets).none().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets).none())
+                )
+                XCTAssertAllEqual(
+                    "NONE master.pets.species",
+                    (\Animal.$master ~ \.$pets ~ \.$species).none().description,
+                    String(keyPath: (\Animal.$master ~ \.$pets ~ \.$species).none())
+                )
+            }
+        }
+    }
+
+    @objc
+    dynamic func test_ThatWhereClauses_CanBeCreatedFromExpressionsCorrectly() {
+
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testString) == dummy
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testString)) == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$name) == dummy
+                let predicate = NSPredicate(format: "master.name == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToOne ~ \.testString) == dummy
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testToOne.testString)) == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$spouse ~ \.$name) == dummy
+                let predicate = NSPredicate(format: "master.spouse.name == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let count = 3
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered).count() == count
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testToManyUnordered)).@count == %d", count)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$pets).count() == count
+                let predicate = NSPredicate(format: "master.pets.@count == %d", count)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).any() == dummy
+                let predicate = NSPredicate(format: "ANY \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$pets ~ \.$species).any() == dummy
+                let predicate = NSPredicate(format: "ANY master.pets.species == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).all() == dummy
+                let predicate = NSPredicate(format: "ALL \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$pets ~ \.$species).all() == dummy
+                let predicate = NSPredicate(format: "ALL master.pets.species == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).none() == dummy
+                let predicate = NSPredicate(format: "NONE \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.$master ~ \.$pets ~ \.$species).none() == dummy
+                let predicate = NSPredicate(format: "NONE master.pets.species == %@", dummy)
+                XCTAssertAllEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertAllEqual(whereClause.predicate, predicate)
+            }
+        }
     }
     
     @objc
@@ -64,51 +345,51 @@ final class WhereTests: XCTestCase {
         do {
             
             let whereClause = Where<NSManagedObject>()
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(true))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(true))
             XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
-            XCTAssertEqual(whereClause.predicate, NSPredicate(value: true))
+            XCTAssertAllEqual(whereClause.predicate, NSPredicate(value: true))
         }
         do {
             
             let whereClause = Where<NSManagedObject>(true)
-            XCTAssertEqual(whereClause, Where<NSManagedObject>())
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>())
             XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
-            XCTAssertEqual(whereClause.predicate, NSPredicate(value: true))
+            XCTAssertAllEqual(whereClause.predicate, NSPredicate(value: true))
         }
         do {
             
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
             let whereClause = Where<NSManagedObject>(predicate)
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
-            XCTAssertEqual(whereClause.predicate, predicate)
+            XCTAssertAllEqual(whereClause.predicate, predicate)
         }
         do {
             
             let whereClause = Where<NSManagedObject>("%K == %@", "key", "value")
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
-            XCTAssertEqual(whereClause.predicate, predicate)
+            XCTAssertAllEqual(whereClause.predicate, predicate)
         }
         do {
             
             let whereClause = Where<NSManagedObject>("%K == %@", argumentArray: ["key", "value"])
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
-            XCTAssertEqual(whereClause.predicate, predicate)
+            XCTAssertAllEqual(whereClause.predicate, predicate)
         }
         do {
             
             let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
-            XCTAssertEqual(whereClause.predicate, predicate)
+            XCTAssertAllEqual(whereClause.predicate, predicate)
         }
         do {
             
             let whereClause = Where<NSManagedObject>("key", isMemberOf: ["value1", "value2", "value3"])
             let predicate = NSPredicate(format: "%K IN %@", "key", ["value1", "value2", "value3"])
-            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
+            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
-            XCTAssertEqual(whereClause.predicate, predicate)
+            XCTAssertAllEqual(whereClause.predicate, predicate)
         }
     }
     
@@ -243,8 +524,8 @@ final class WhereTests: XCTestCase {
                 type: .not,
                 subpredicates: [whereClause1.predicate]
             )
-            XCTAssertEqual(notWhere.predicate, notPredicate)
+            XCTAssertAllEqual(notWhere.predicate, notPredicate)
-            XCTAssertEqual(notWhere, !whereClause1)
+            XCTAssertAllEqual(notWhere, !whereClause1)
         }
         do {
             
@@ -259,8 +540,8 @@ final class WhereTests: XCTestCase {
                     whereClause3.predicate
                 ]
             )
-            XCTAssertEqual(andWhere.predicate, andPredicate)
+            XCTAssertAllEqual(andWhere.predicate, andPredicate)
-            XCTAssertEqual(andWhere, whereClause1 && whereClause2 && whereClause3)
+            XCTAssertAllEqual(andWhere, whereClause1 && whereClause2 && whereClause3)
         }
         do {
             
@@ -274,8 +555,8 @@ final class WhereTests: XCTestCase {
             let unwrappedFinalSomeWhere = andWhere && someWhere!
 
         
-            XCTAssertEqual(andWhere.predicate, finalNoneWhere.predicate)
+            XCTAssertAllEqual(andWhere.predicate, finalNoneWhere.predicate)
-            XCTAssertEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
+            XCTAssertAllEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
         }
         do {
             
@@ -290,8 +571,8 @@ final class WhereTests: XCTestCase {
                     whereClause3.predicate
                 ]
             )
-            XCTAssertEqual(orWhere.predicate, orPredicate)
+            XCTAssertAllEqual(orWhere.predicate, orPredicate)
-            XCTAssertEqual(orWhere, whereClause1 || whereClause2 || whereClause3)
+            XCTAssertAllEqual(orWhere, whereClause1 || whereClause2 || whereClause3)
         }
         do {
             
@@ -304,8 +585,8 @@ final class WhereTests: XCTestCase {
             let finalSomeWhere = orWhere &&? someWhere
             let unwrappedFinalSomeWhere = orWhere && someWhere!
             
-            XCTAssertEqual(orWhere.predicate, finalNoneWhere.predicate)
+            XCTAssertAllEqual(orWhere.predicate, finalNoneWhere.predicate)
-            XCTAssertEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
+            XCTAssertAllEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
         }
 
     }
@@ -314,9 +595,9 @@ final class WhereTests: XCTestCase {
     dynamic func test_ThatWhereClauses_ApplyToFetchRequestsCorrectly() {
         
         let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
-        let request = CoreStoreFetchRequest()
+        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
         whereClause.applyToFetchRequest(request)
         XCTAssertNotNil(request.predicate)
-        XCTAssertEqual(request.predicate, whereClause.predicate)
+        XCTAssertAllEqual(request.predicate, whereClause.predicate)
     }
 }