fix rare duplication of uniqueID values during import when an import candidate is added by a previous insertion block

fix compiler error
added .where(combinedByAnd:) and .where(combinedByOr:) to help compiler with long && and || chains
2026-05-25 08:59:48 +02:00 · 2021-01-23 16:51:45 +09:00 · 2021-01-02 10:36:33 +09:00 · 2021-01-02 10:00:23 +09:00 · 2021-01-02 09:59:15 +09:00 · 2020-12-26 23:45:11 +09:00
828 changed files with 549897 additions and 3221 deletions
@@ -1,15 +0,0 @@
 ---
 layout: page
 title: About
 permalink: /about/
 ---
 This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](http://jekyllrb.com/)
 You can find the source code for the Jekyll new theme at:
 {% include icon-github.html username="jglovier" %} /
 [jekyll-new](https://github.com/jglovier/jekyll-new)
 You can find the source code for Jekyll at
 {% include icon-github.html username="jekyll" %} /
 [jekyll](https://github.com/jekyll/jekyll)
@@ -0,0 +1,2 @@
 try:
  project: 'CoreStore.xcworkspace'
@@ -0,0 +1,3 @@
 # These are supported funding model platforms
 github: [JohnEstropia]
@@ -1,3 +1,16 @@
-_site
+CoreStoreDemo/CoreStoreDemo.xcodeproj/project.xcworkspace/xcuserdata
-.sass-cache
+CoreStore.xcodeproj/project.xcworkspace/xcuserdata
-.jekyll-metadata
+CoreStore.xcodeproj/xcuserdata
 CoreStoreDemo/CoreStoreDemo.xcodeproj/xcuserdata
 Carthage/Build
 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
@@ -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
@@ -0,0 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Workspace
   version = "1.0">
   <FileRef
      location = "self:">
   </FileRef>
 </Workspace>
@@ -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>
@@ -0,0 +1,14 @@
 <?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>SchemeUserState</key>
 	<dict>
 		<key>CoreStore.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
 			<integer>0</integer>
 		</dict>
 	</dict>
 </dict>
 </plist>
@@ -0,0 +1,22 @@
 Pod::Spec.new do |s|
    s.name = "CoreStore"
    s.version = "7.3.1"
    s.swift_version = "5.3"
    s.license = "MIT"
    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 = "10.0"
    s.osx.deployment_target = "10.12"
    s.watchos.deployment_target = "3.0"
    s.tvos.deployment_target = "10.0"
    s.source_files = "Sources", "Sources/**/*.{swift,h,m}"
    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', 'OTHER_LDFLAGS' => '-weak_framework Combine -weak_framework SwiftUI' }
 end
@@ -0,0 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Workspace
   version = "1.0">
   <FileRef
      location = "self:CoreStore.xcodeproj">
   </FileRef>
 </Workspace>
@@ -0,0 +1,53 @@
 <?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>F347F55F-7F5C-4476-9148-6E902F06E4AD</string>
 	<key>IDESourceControlProjectName</key>
 	<string>CoreStore</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>CoreStore.xcodeproj</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/CoreStore.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>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>
 			<string>GCDKit</string>
 		</dict>
 	</array>
 </dict>
 </plist>
@@ -0,0 +1,30 @@
 {
  "DVTSourceControlWorkspaceBlueprintPrimaryRemoteRepositoryKey" : "4B60F1BCB491FF717C56441AE7783C74F417BE48",
  "DVTSourceControlWorkspaceBlueprintWorkingCopyRepositoryLocationsKey" : {
  },
  "DVTSourceControlWorkspaceBlueprintWorkingCopyStatesKey" : {
    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : 0,
    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : 0
  },
  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "F347F55F-7F5C-4476-9148-6E902F06E4AD",
  "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : "CoreStoreLibraries\/GCDKit",
    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : "CoreStore\/"
  },
  "DVTSourceControlWorkspaceBlueprintNameKey" : "CoreStore",
  "DVTSourceControlWorkspaceBlueprintVersion" : 204,
  "DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "CoreStore.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"
    }
  ]
 }
@@ -0,0 +1,53 @@
 <?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>FE56D6CC-DFA6-4581-B49D-F2486374A545</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>HardcoreData.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>
@@ -0,0 +1,8 @@
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 <plist version="1.0">
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 	<key>IDEDidComputeMac32BitWarning</key>
 	<true/>
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@@ -0,0 +1,95 @@
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      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "B563216E1BD65082006C9394"
            BuildableName = "CoreStore.framework"
            BlueprintName = "CoreStore watchOS"
            ReferencedContainer = "container:CoreStore.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
   </LaunchAction>
   <ProfileAction
      buildConfiguration = "Release"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
      debugDocumentVersioning = "YES">
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "B563216E1BD65082006C9394"
            BuildableName = "CoreStore.framework"
            BlueprintName = "CoreStore watchOS"
            ReferencedContainer = "container:CoreStore.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
   </AnalyzeAction>
   <ArchiveAction
      buildConfiguration = "Release"
      revealArchiveInOrganizer = "YES">
   </ArchiveAction>
 </Scheme>
@@ -0,0 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Workspace
   version = "1.0">
   <FileRef
      location = "group:Demo/Demo.xcodeproj">
   </FileRef>
   <FileRef
      location = "group:CoreStore.xcodeproj">
   </FileRef>
   <FileRef
      location = "group:LegacyDemo/LegacyDemo.xcodeproj">
   </FileRef>
 </Workspace>
@@ -0,0 +1,37 @@
 {
  "DVTSourceControlWorkspaceBlueprintPrimaryRemoteRepositoryKey" : "4B60F1BCB491FF717C56441AE7783C74F417BE48",
  "DVTSourceControlWorkspaceBlueprintWorkingCopyRepositoryLocationsKey" : {
  },
  "DVTSourceControlWorkspaceBlueprintWorkingCopyStatesKey" : {
    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : 0,
    "95438028B10BBB846574013D29F154A00556A9D1" : 0,
    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : 0
  },
  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "EBFDEFFE-8BA0-441A-862A-1DE28AA5CD21",
  "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
    "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : "CoreStore\/Carthage\/Checkouts\/GCDKit\/",
    "95438028B10BBB846574013D29F154A00556A9D1" : "CoreStore\/Carthage\/Checkouts\/Nimble\/",
    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : "CoreStore\/"
  },
  "DVTSourceControlWorkspaceBlueprintNameKey" : "CoreStore",
  "DVTSourceControlWorkspaceBlueprintVersion" : 204,
  "DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "CoreStore.xcworkspace",
  "DVTSourceControlWorkspaceBlueprintRemoteRepositoriesKey" : [
    {
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/JohnEstropia\/CoreStore",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "4B60F1BCB491FF717C56441AE7783C74F417BE48"
    },
    {
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/JohnEstropia\/GCDKit.git",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "8B2E522D57154DFA93A06982C36315ECBEA4FA97"
    },
    {
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/Quick\/Nimble.git",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "95438028B10BBB846574013D29F154A00556A9D1"
    }
  ]
 }
@@ -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>
@@ -0,0 +1,5 @@
 <?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/>
 </plist>
@@ -0,0 +1,233 @@
 //
 //  BaseTestCase.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: - BaseTestCase
 class BaseTestCase: XCTestCase {
    // MARK: Internal
    @nonobjc
    func prepareStack(configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) throws -> Void) {
        let stack = DataStack(
            xcodeModelName: "Model",
            bundle: Bundle(for: Self.self)
        )
        do {
            try configurations.forEach {
                try stack.addStorageAndWait(
                    SQLiteStore(
                        fileURL: SQLiteStore.defaultRootDirectory
                            .appendingPathComponent(UUID().uuidString)
                            .appendingPathComponent("\(Self.self)_\(($0 ?? "-null-")).sqlite"),
                        configuration: $0,
                        localStorageOptions: .recreateStoreOnModelMismatch
                    )
                )
            }
            try closure(stack)
        }
        catch let error as NSError {
            XCTFail(error.coreStoreDumpString)
        }
        self.addTeardownBlock {
            stack.unsafeRemoveAllPersistentStoresAndWait()
        }
    }
    @nonobjc
    func expectLogger<T>(_ expectations: [TestLogger.Expectation], closure: () throws -> T) rethrows -> T {
        CoreStoreDefaults.logger = TestLogger(self.prepareLoggerExpectations(expectations))
        defer {
            self.checkExpectationsImmediately()
            CoreStoreDefaults.logger = TestLogger([:])
        }
        return try closure()
    }
    @nonobjc
    func expectLogger(_ expectations: [TestLogger.Expectation: XCTestExpectation]) {
        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
    func prepareLoggerExpectations(_ expectations: [TestLogger.Expectation]) -> [TestLogger.Expectation: XCTestExpectation] {
        var testExpectations: [TestLogger.Expectation: XCTestExpectation] = [:]
        for expectation in expectations {
            testExpectations[expectation] = self.expectation(description: "Logger Expectation: \(expectation)")
        }
        return testExpectations
    }
    @nonobjc
    func checkExpectationsImmediately() {
        self.waitForExpectations(timeout: 0, handler: { _ in })
    }
    @nonobjc
    func waitAndCheckExpectations() {
        self.waitForExpectations(timeout: 10, handler: {_ in })
    }
    // MARK: XCTestCase
    override func setUp() {
        super.setUp()
        self.deleteStores()
        CoreStoreDefaults.logger = TestLogger([:])
    }
    override func tearDown() {
        CoreStoreDefaults.logger = DefaultLogger()
        self.deleteStores()
        super.tearDown()
    }
    // MARK: Private
    private func deleteStores() {
        _ = try? FileManager.default.removeItem(at: SQLiteStore.defaultRootDirectory)
    }
 }
 // MARK: - TestLogger
 class TestLogger: CoreStoreLogger {
    enum Expectation {
        case logWarning
        case logFatal
        case logError
        case assertionFailure
        case fatalError
    }
    init(_ expectations: [Expectation: XCTestExpectation]) {
        self.expectations = expectations
    }
    // MARK: CoreStoreLogger
    var enableObjectConcurrencyDebugging: Bool = true
    func log(level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
        switch level {
        case .warning:  self.fulfill(.logWarning)
        case .fatal:    self.fulfill(.logFatal)
        default:        break
        }
    }
    func log(error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
        self.fulfill(.logError)
    }
    func assert(_ condition: @autoclosure () -> Bool, message: @autoclosure () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
        if condition() {
            return
        }
        self.fulfill(.assertionFailure)
    }
    func abort(_ message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
        self.fulfill(.fatalError)
    }
    // MARK: Private
    private var expectations: [Expectation: XCTestExpectation]
    private func fulfill(_ expectation: Expectation) {
        if let instance = self.expectations[expectation] {
            instance.fulfill()
            self.expectations[expectation] = nil
        }
        else {
            XCTFail("Unexpected Logger Action: \(expectation)")
        }
    }
 }
@@ -0,0 +1,94 @@
 //
 //  BaseTestDataTestCase.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 Foundation
@testable
 import CoreStore
 // MARK: - BaseTestDataTestCase
 class BaseTestDataTestCase: BaseTestCase {
    @nonobjc
    let dateFormatter: DateFormatter = Internals.with {
        let formatter = DateFormatter()
        formatter.locale = Locale(identifier: "en_US_POSIX")
        formatter.timeZone = TimeZone(identifier: "UTC")
        formatter.calendar = Calendar(identifier: Calendar.Identifier.gregorian)
        formatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"
        return formatter
    }
    @nonobjc
    func prepareTestDataForStack(_ stack: DataStack, configurations: [ModelConfiguration] = [nil]) {
        try! stack.perform(
            synchronous: { (transaction) in
                for (configurationIndex, configuration) in configurations.enumerated() {
                    let configurationOrdinal = configurationIndex + 1
                    if configuration == nil || configuration == "Config1" {
                        for idIndex in 1 ... 5 {
                            let object = transaction.create(Into<TestEntity1>(configuration))
                            object.testEntityID = NSNumber(value: (configurationOrdinal * 100) + idIndex)
                            object.testNumber = NSNumber(value: idIndex)
                            object.testDate = self.dateFormatter.date(from: "2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
                            object.testBoolean = NSNumber(value: (idIndex % 2) == 1)
                            object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
                            let string = "\(configuration ?? "nil"):TestEntity1:\(idIndex)"
                            object.testString = string
                            object.testData = (string as NSString).data(using: String.Encoding.utf8.rawValue)
                        }
                    }
                    if configuration == nil || configuration == "Config2" {
                        for idIndex in 1 ... 5 {
                            let object = transaction.create(Into<TestEntity2>(configuration))
                            object.testEntityID = NSNumber(value: (configurationOrdinal * 200) + idIndex)
                            object.testNumber = NSNumber(value: idIndex)
                            object.testDate = self.dateFormatter.date(from: "2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
                            object.testBoolean = NSNumber(value: (idIndex % 2) == 1)
                            object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
                            let string = "\(configuration ?? "nil"):TestEntity2:\(idIndex)"
                            object.testString = string
                            object.testData = (string as NSString).data(using: String.Encoding.utf8.rawValue)
                        }
                    }
                }
            }
        )
    }
 }
@@ -0,0 +1,30 @@
 //
 //  BridgingTests.h
 //  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/XCTest.h>
@interface BridgingTests : XCTestCase
@end
@@ -0,0 +1,269 @@
 //
 //  BridgingTests.m
 //  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 "BridgingTests.h"
 #import <CoreStore/CoreStore.h>
 #import <CoreStore/CoreStore-Swift.h>
 #import "CoreStoreTests-Swift.h"
@import CoreData;
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
 // 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);
    NSError *memoryError;
    CSInMemoryStore *memoryStorage = [dataStack
                                      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 = [dataStack
                                    addSQLiteStorageAndWait:[CSSQLiteStore new]
                                    error:&sqliteError];
    XCTAssertNotNil(sqliteStorage);
    XCTAssertEqualObjects([[sqliteStorage class] storeType], [CSSQLiteStore storeType]);
    XCTAssertEqualObjects([[sqliteStorage class] storeType], NSSQLiteStoreType);
    XCTAssertNil(sqliteStorage.configuration);
    NSDictionary *storeOptions;
    if (@available(iOS 11.0, macOS 10.13, tvOS 11.0, *)) {
        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" },
                          NSBinaryStoreInsecureDecodingCompatibilityOption: @YES };
    }
    else {
        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" }};
    }
    XCTAssertEqualObjects(sqliteStorage.storeOptions, storeOptions);
    XCTAssertNil(sqliteError);
 }
 - (void)test_ThatTransactions_BridgeCorrectly {
    CSDataStack *dataStack = [[CSDataStack alloc]
                              initWithXcodeModelName:@"Model"
                              bundle:[NSBundle bundleForClass:[self class]]
                              versionChain:nil];
    XCTAssertNotNil(dataStack);
    [dataStack
     addInMemoryStorageAndWait:[CSInMemoryStore new]
     error:nil];
    {
        CSUnsafeDataTransaction *transaction = [dataStack 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 =
        [dataStack
         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"];
        [dataStack 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
 #pragma clang diagnostic pop
@@ -0,0 +1,91 @@
 //
 //  ConvenienceTests.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.
 //
@testable
 import CoreStore
 // MARK: - ConvenienceTests
@available(macOS 10.12, *)
 class ConvenienceTests: BaseTestCase {
    @objc
    dynamic func test_ThatDataStacks_CanCreateFetchedResultsControllers() {
        self.prepareStack { (stack) in
            let controller = stack.createFetchedResultsController(
                From<TestEntity1>(),
                SectionBy(#keyPath(TestEntity1.testString)),
                Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100),
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))),
                Tweak { $0.fetchLimit = 10 }
            )
            XCTAssertEqual(controller.managedObjectContext, stack.mainContext)
            XCTAssertEqual(controller.fetchRequest.entity?.managedObjectClassName, NSStringFromClass(TestEntity1.self))
            XCTAssertEqual(controller.sectionNameKeyPath, #keyPath(TestEntity1.testString))
            XCTAssertEqual(
                controller.fetchRequest.sortDescriptors!,
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))).sortDescriptors
            )
            XCTAssertEqual(
                controller.fetchRequest.predicate,
                Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100).predicate
            )
            XCTAssertEqual(controller.fetchRequest.fetchLimit, 10)
        }
    }
    @objc
    dynamic func test_ThatUnsafeDataTransactions_CanCreateFetchedResultsControllers() {
        self.prepareStack { (stack) in
            withExtendedLifetime(stack.beginUnsafe()) { (transaction: UnsafeDataTransaction) in
                let controller = transaction.createFetchedResultsController(
                    From<TestEntity1>(),
                    SectionBy(#keyPath(TestEntity1.testString)),
                    Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100),
                    OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))),
                    Tweak { $0.fetchLimit = 10 }
                )
                XCTAssertEqual(controller.managedObjectContext, transaction.context)
                XCTAssertEqual(controller.fetchRequest.entity?.managedObjectClassName, NSStringFromClass(TestEntity1.self))
                XCTAssertEqual(controller.sectionNameKeyPath, #keyPath(TestEntity1.testString))
                XCTAssertEqual(
                    controller.fetchRequest.sortDescriptors!,
                    OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))).sortDescriptors
                )
                XCTAssertEqual(
                    controller.fetchRequest.predicate,
                    Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100).predicate
                )
                XCTAssertEqual(controller.fetchRequest.fetchLimit, 10)
            }
        }
    }
 }
@@ -0,0 +1,5 @@
 //
 //  Use this file to import your target's public headers that you would like to expose to Swift.
 //
 #import "BridgingTests.h"
@@ -0,0 +1,535 @@
 //
 //  DynamicModelTests.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
 #if os(macOS)
    typealias Color = NSColor
 #else
    typealias Color = UIColor
 #endif
 class Animal: CoreStoreObject {
    @Field.Stored("species")
    var species: String = "Swift"
    @Field.Coded("color", coder: FieldCoders.NSCoding.self)
    var color: Color? = .blue
    @Field.Relationship("master")
    var master: Person?
 }
 class Dog: Animal {
    static let commonNicknames = ["Spot", "Benjie", "Max", "Milo"]
    @Field.Stored(
        "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 {
    @Field.Stored(
        "title",
        customSetter: { (object, field, newValue) in
            field.primitiveValue = newValue
            object.$displayName.primitiveValue = nil
        }
    )
    var title: String = "Mr."
    @Field.Stored(
        "name",
        customSetter: { (object, field, newValue) in
            field.primitiveValue = newValue
            object.$displayName.primitiveValue = nil
        }
    )
    var name: String = ""
    @Field.Virtual(
        "displayName",
        customGetter: Person.getDisplayName(_:_:),
        affectedByKeyPaths: Person.keyPathsAffectingDisplayName()
    )
    var displayName: String?
    @Field.Virtual(
        "customType",
        customGetter: { (object, field) in
            if let value = field.primitiveValue {
                return value
            }
            let value = CustomType()
            field.primitiveValue = value
            return value
        }
    )
    var customField: CustomType
    @Field.Coded(
        "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
    }
    private static func keyPathsAffectingDisplayName() -> Set<String> {
        return [
            String(keyPath: \Person.$title),
            String(keyPath: \Person.$name)
        ]
    }
 }
 // MARK: - DynamicModelTests
 class DynamicModelTests: BaseTestDataTestCase {
    @objc
    dynamic func test_ThatDynamicModels_CanBeDeclaredCorrectly() {
        let dataStack = DataStack(
            CoreStoreSchema(
                modelVersion: "V1",
                entities: [
                    Entity<Animal>("Animal"),
                    Entity<Dog>("Dog"),
                    Entity<Person>("Person")
                ],
                versionLock: [
                    "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
                    "Dog": [0xad6de93adc5565d, 0x7897e51253eba5a3, 0xd12b9ce0b13600f3, 0x5a4827cd794cd15e],
                    "Person": [0xf3e6ba6016bbedc6, 0x50dedf64f0eba490, 0xa32088a0ee83468d, 0xb72d1d0b37bd0992]
                ]
            )
        )
        self.prepareStack(dataStack, configurations: [nil]) { (stack) in
            let k1 = String(keyPath: \Animal.$species)
            XCTAssertEqual(k1, "species")
            let k2 = String(keyPath: \Dog.$species)
            XCTAssertEqual(k2, "species")
            let k3 = String(keyPath: \Dog.$nickname)
            XCTAssertEqual(k3, "nickname")
            let updateDone = self.expectation(description: "update-done")
            let fetchDone = self.expectation(description: "fetch-done")
            let willSetPriorObserverDone = self.expectation(description: "willSet-observe-prior-done")
            let willSetNotPriorObserverDone = self.expectation(description: "willSet-observe-notPrior-done")
            let didSetObserverDone = self.expectation(description: "didSet-observe-done")
            stack.perform(
                asynchronous: { (transaction) in
                    let animal = transaction.create(Into<Animal>())
                    XCTAssertEqual(animal.species, "Swift")
                    XCTAssertTrue(type(of: animal.species) == String.self)
                    XCTAssertEqual(animal.color, Color.blue)
                    animal.species = "Sparrow"
                    XCTAssertEqual(animal.species, "Sparrow")
                    animal.color = .yellow
                    XCTAssertEqual(animal.color, Color.yellow)
                    for property in Animal.metaProperties(includeSuperclasses: true) {
                        switch property.keyPath {
                        case String(keyPath: \Animal.$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, "Swift")
                    XCTAssertEqual(dog.age, 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"
                    XCTAssertEqual(dog.species, "Dog")
                    didSetObserver.invalidate()
                    willSetObserver.invalidate()
                    dog.nickname = "Spot"
                    XCTAssertEqual(dog.nickname, "Spot")
                    let person = transaction.create(Into<Person>())
                    XCTAssertTrue(person.pets.isEmpty)
                    XCTAssertEqual(person.customField.string, "customString")
                    let initialJob = person.job
                    XCTAssertTrue(Job.allCases.contains(initialJob))
                    XCTAssertEqual(
                        person.rawObject!
                            .runtimeType()
                            .keyPathsForValuesAffectingValue(forKey: "displayName"),
                        ["title", "name"]
                    )
                    person.name = "Joe"
                    XCTAssertEqual(person.rawObject!.value(forKey: "name") as! String?, "Joe")
                    XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "Mr. Joe")
                    person.rawObject!.setValue("AAAA", forKey: "displayName")
                    XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "AAAA")
                    person.name = "John"
                    XCTAssertEqual(person.name, "John")
                    XCTAssertEqual(person.displayName, "Mr. John") // Custom getter
                    let personSnapshot1 = person.asSnapshot(in: transaction)!
                    XCTAssertEqual(person.name, personSnapshot1.$name)
                    XCTAssertEqual(person.title, personSnapshot1.$title)
                    XCTAssertEqual(person.displayName, personSnapshot1.$displayName)
                    XCTAssertEqual(person.job, personSnapshot1.$job)
                    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.$job, .engineer)
                    person.pets.insert(dog)
                    XCTAssertEqual(person.pets.count, 1)
                    XCTAssertEqual(person.pets.first, dog)
                    XCTAssertEqual(person.pets.first?.master, person)
                    XCTAssertEqual(dog.master, person)
                    XCTAssertEqual(dog.master?.pets.first, dog)
                },
                success: { _ in
                    let person = try! stack.fetchOne(From<Person>())
                    XCTAssertNotNil(person)
                    let personPublisher = person!.asPublisher(in: stack)
                    XCTAssertEqual(personPublisher.$name, "John")
                    XCTAssertEqual(personPublisher.$displayName, "Sir John")
                    XCTAssertEqual(personPublisher.$job, .engineer)
                    updateDone.fulfill()
                },
                failure: { _ in
                    XCTFail()
                }
            )
            stack.perform(
                asynchronous: { (transaction) in
                    let p1 = Where<Animal>({ $0.$species == "Sparrow" })
                    XCTAssertEqual(p1.predicate, NSPredicate(format: "%K == %@", "species", "Sparrow"))
                    let bird = try transaction.fetchOne(From<Animal>(), p1)
                    XCTAssertNotNil(bird)
                    XCTAssertEqual(bird!.species, "Sparrow")
                    XCTAssertEqual(bird!.color, Color.yellow)
                    let p2 = Where<Dog>({ $0.$nickname == "Spot" })
                    XCTAssertEqual(p2.predicate, NSPredicate(format: "%K == %@", "nickname", "Spot"))
                    let dog = try transaction.fetchOne(From<Dog>().where(\.$nickname == "Spot"))
                    XCTAssertNotNil(dog)
                    XCTAssertEqual(dog!.nickname, "Spot")
                    XCTAssertEqual(dog!.species, "Dog")
                    let person = try transaction.fetchOne(From<Person>())
                    XCTAssertNotNil(person)
                    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 })
                    XCTAssertEqual(p3.predicate, NSPredicate(format: "%K == %d", "age", 10))
                    let totalAge = try transaction.queryValue(
                        From<Dog>().select(Int.self, .sum(\.$age))
                    )
                    XCTAssertEqual(totalAge, 1)
                    _ = try transaction.fetchAll(
                        From<Dog>()
                            .where(\Animal.$species == "Dog" && \Dog.$age == 10)
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>()
                            .where(\Dog.$age == 10 && \Animal.$species == "Dog")
                            .orderBy(.ascending({ $0.$species }))
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>(),
                        Where<Dog>({ $0.$age > 10 && $0.$age <= 15 })
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>(),
                        Where<Dog>({ $0.$species == "Dog" && $0.$age == 10 })
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>(),
                        Where<Dog>({ $0.$age == 10 && $0.$species == "Dog" })
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>(),
                        Where<Dog>({ $0.$age > 10 && $0.$age <= 15 })
                    )
                    _ = try transaction.fetchAll(
                        From<Dog>(),
                        (\Dog.$age > 10 && \Dog.$age <= 15)
                    )
                },
                success: { _ in
                    fetchDone.fulfill()
                },
                failure: { _ in
                    XCTFail()
                }
            )
        }
        self.waitForExpectations(timeout: 10, handler: { _ in })
        self.addTeardownBlock {
            dataStack.unsafeRemoveAllPersistentStoresAndWait()
        }
    }
    @objc
    dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
        XCTAssertEqual(String(keyPath: \Animal.$species), "species")
        XCTAssertEqual(String(keyPath: \Dog.$species), "species")
    }
    @nonobjc
    func prepareStack(_ dataStack: DataStack, configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) -> Void) {
        do {
            try configurations.forEach { (configuration) in
                try dataStack.addStorageAndWait(
                    SQLiteStore(
                        fileURL: SQLiteStore.defaultRootDirectory
                            .appendingPathComponent(UUID().uuidString)
                            .appendingPathComponent("\(Self.self)_\((configuration ?? "-null-")).sqlite"),
                        configuration: configuration,
                        localStorageOptions: .recreateStoreOnModelMismatch
                    )
                )
            }
        }
        catch let error as NSError {
            XCTFail(error.coreStoreDumpString)
        }
        closure(dataStack)
    }
 }
@@ -0,0 +1,175 @@
 //
 //  ErrorTests.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: - ErrorTests
@available(*, deprecated, message: "CoreStore Objective-C API will be removed soon.")
 final class ErrorTests: XCTestCase {
    @objc
    dynamic func test_ThatUnknownErrors_BridgeCorrectly() {
        let error = CoreStoreError.unknown
        XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.unknownError.rawValue)
        let userInfo: NSDictionary = [:]
        let objcError = error.bridgeToObjectiveC
        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
        XCTAssertEqual(error, objcError2.bridgeToSwift)
        XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.unknownError.rawValue)
        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
    }
    @objc
    dynamic func test_ThatDifferentStorageExistsAtURLErrors_BridgeCorrectly() {
        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
        let error = CoreStoreError.differentStorageExistsAtURL(existingPersistentStoreURL: dummyURL)
        XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
        let userInfo: NSDictionary = [
            "existingPersistentStoreURL": dummyURL
        ]
        let objcError = error.bridgeToObjectiveC
        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
        XCTAssertEqual(error, objcError2.bridgeToSwift)
        XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
    }
    @objc
    dynamic func test_ThatMappingModelNotFoundErrors_BridgeCorrectly() {
        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
        let schemaHistory = SchemaHistory(
            XcodeDataModelSchema.from(
                modelName: "Model",
                bundle: Bundle(for: Self.self)
            )
        )
        let version = "1.0.0"
        let error = CoreStoreError.mappingModelNotFound(localStoreURL: dummyURL, targetModel: schemaHistory.rawModel, targetModelVersion: version)
        XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
        let userInfo: NSDictionary = [
            "localStoreURL": dummyURL,
            "targetModel": schemaHistory.rawModel,
            "targetModelVersion": version
        ]
        let objcError = error.bridgeToObjectiveC
        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
        XCTAssertEqual(error, objcError2.bridgeToSwift)
        XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
    }
    @objc
    dynamic func test_ThatProgressiveMigrationRequiredErrors_BridgeCorrectly() {
        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
        let error = CoreStoreError.progressiveMigrationRequired(localStoreURL: dummyURL)
        XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
        let userInfo: NSDictionary = [
            "localStoreURL": dummyURL
        ]
        let objcError = error.bridgeToObjectiveC
        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
        XCTAssertEqual(error, objcError2.bridgeToSwift)
        XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
    }
    @objc
    dynamic func test_ThatInternalErrorErrors_BridgeCorrectly() {
        let internalError = NSError(
            domain: "com.dummy",
            code: 123,
            userInfo: [
                "key1": "value1",
                "key2": 2,
                "key3": Date()
            ]
        )
        let error = CoreStoreError(internalError)
        XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.internalError.rawValue)
        let userInfo: NSDictionary = [
            "NSError": internalError
        ]
        let objcError = error.bridgeToObjectiveC
        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
        XCTAssertEqual(error, objcError2.bridgeToSwift)
        XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.internalError.rawValue)
        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
    }
 }
@@ -0,0 +1,418 @@
 //
 //  FromTests.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: - FromTests
 final class FromTests: BaseTestCase {
    @objc
    dynamic func test_ThatFromClauses_ConfigureCorrectly() {
        do {
            let from = From<NSManagedObject>()
            XCTAssert(from.entityClass === NSManagedObject.self)
            XCTAssertNil(from.configurations)
        }
        do {
            let from = From<TestEntity1>()
            XCTAssert(from.entityClass === TestEntity1.self)
            XCTAssertNil(from.configurations)
        }
        do {
            let from = From<TestEntity1>("Config1")
            XCTAssert(from.entityClass === TestEntity1.self)
            XCTAssertEqual(from.configurations?.count, 1)
            XCTAssertEqual(from.configurations?[0], "Config1")
        }
        do {
            let from = From<TestEntity1>(nil, "Config1")
            XCTAssert(from.entityClass === TestEntity1.self)
            XCTAssertEqual(from.configurations?.count, 2)
            XCTAssertEqual(from.configurations?[0], nil)
            XCTAssertEqual(from.configurations?[1], "Config1")
        }
    }
    @objc
    dynamic func test_ThatFromClauses_ApplyToFetchRequestsCorrectlyForDefaultConfigurations() {
        self.prepareStack { (dataStack) in
            do {
                let from = From<TestEntity1>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                try from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
            }
            do {
                let from = From<TestEntity1>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
        }
    }
    @objc
    dynamic func test_ThatFromClauses_ApplyToFetchRequestsCorrectlyForSingleConfigurations() {
        self.prepareStack(configurations: ["Config1"]) { (dataStack) in
            do {
                let from = From<TestEntity1>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config1"])
            }
            do {
                let from = From<TestEntity1>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config1"])
            }
            do {
                let from = From<TestEntity1>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
        }
    }
    @objc
    dynamic func test_ThatFromClauses_ApplyToFetchRequestsCorrectlyForDefaultAndCustomConfigurations() {
        self.prepareStack(configurations: [nil, "Config1"]) { (dataStack) in
            do {
                let from = From<TestEntity1>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                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 = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config1"])
            }
            do {
                let from = From<TestEntity1>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
            }
            do {
                let from = From<TestEntity2>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
        }
    }
    @objc
    dynamic func test_ThatFromClauses_ApplyToFetchRequestsCorrectlyForMultipleConfigurations() {
        self.prepareStack(configurations: ["Config1", "Config2"]) { (dataStack) in
            do {
                let from = From<TestEntity1>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config1"])
            }
            do {
                let from = From<TestEntity1>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config1"])
            }
            do {
                let from = From<TestEntity1>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>()
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config2"])
            }
            do {
                let from = From<TestEntity2>("Config1")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                self.expectError(code: .persistentStoreNotFound) {
                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                }
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertTrue(affectedConfigurations.isEmpty)
            }
            do {
                let from = From<TestEntity2>("Config2")
                let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
                XCTAssertNotNil(storesFound)
                XCTAssertNotNil(request.entity)
                XCTAssertNotNil(request.safeAffectedStores())
                XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                XCTAssertEqual(affectedConfigurations, ["Config2"])
            }
        }
    }
 }
@@ -0,0 +1,81 @@
 //
 //  GroupByTests.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: - GroupByTests
 final class GroupByTests: BaseTestCase {
    @objc
    dynamic func test_ThatGroupByClauses_ConfigureCorrectly() {
        do {
            let groupBy = GroupBy<NSManagedObject>()
            XCTAssertEqual(groupBy, GroupBy([] as [String]))
            XCTAssertNotEqual(groupBy, GroupBy("key"))
            XCTAssertTrue(groupBy.keyPaths.isEmpty)
        }
        do {
            let groupBy = GroupBy<NSManagedObject>("key1")
            XCTAssertEqual(groupBy, GroupBy("key1"))
            XCTAssertEqual(groupBy, GroupBy(["key1"]))
            XCTAssertNotEqual(groupBy, GroupBy("key2"))
            XCTAssertEqual(groupBy.keyPaths, ["key1"])
        }
        do {
            let groupBy = GroupBy<NSManagedObject>("key1", "key2")
            XCTAssertEqual(groupBy, GroupBy("key1", "key2"))
            XCTAssertEqual(groupBy, GroupBy(["key1", "key2"]))
            XCTAssertNotEqual(groupBy, GroupBy("key2", "key1"))
            XCTAssertEqual(groupBy.keyPaths, ["key1", "key2"])
        }
    }
    @objc
    dynamic func test_ThatGroupByClauses_ApplyToFetchRequestsCorrectly() {
        self.prepareStack { (dataStack) in
            let groupBy = GroupBy<NSManagedObject>(#keyPath(TestEntity1.testString))
            let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
            try From<TestEntity1>().applyToFetchRequest(request, context: dataStack.mainContext)
            groupBy.applyToFetchRequest(request)
            XCTAssertNotNil(request.propertiesToGroupBy)
            let attributes = (request.propertiesToGroupBy ?? []) as! [NSAttributeDescription]
            XCTAssertEqual(attributes.map { $0.name }, groupBy.keyPaths)
        }
    }
 }
@@ -0,0 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
 	<string>$(PRODUCT_NAME)</string>
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
 	<string>6.2.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 </dict>
 </plist>
@@ -0,0 +1,139 @@
 //
 //  IntoTests.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: - IntoTests
 final class IntoTests: XCTestCase {
    @objc
    dynamic func test_ThatIntoClauseConstants_AreCorrect() {
        XCTAssertEqual(DataStack.defaultConfigurationName, "PF_DEFAULT_CONFIGURATION_NAME")
    }
    @objc
    dynamic func test_ThatIntoClauses_ConfigureCorrectly() {
        do {
            let into = Into<NSManagedObject>()
            XCTAssert(into.entityClass === NSManagedObject.self)
            XCTAssertNil(into.configuration)
            XCTAssertTrue(into.inferStoreIfPossible)
        }
        do {
            let into = Into<TestEntity1>()
            XCTAssert(into.entityClass === TestEntity1.self)
            XCTAssertNil(into.configuration)
            XCTAssertTrue(into.inferStoreIfPossible)
        }
        do {
            let into = Into(TestEntity1.self)
            XCTAssert(into.entityClass === TestEntity1.self)
            XCTAssertNil(into.configuration)
            XCTAssertTrue(into.inferStoreIfPossible)
        }
        do {
            let into = Into<TestEntity1>("Config1")
            XCTAssert(into.entityClass === TestEntity1.self)
            XCTAssertEqual(into.configuration, "Config1")
            XCTAssertFalse(into.inferStoreIfPossible)
        }
        do {
            let into = Into(TestEntity1.self, "Config1")
            XCTAssert(into.entityClass === TestEntity1.self)
            XCTAssertEqual(into.configuration, "Config1")
            XCTAssertFalse(into.inferStoreIfPossible)
        }
    }
    @objc
    dynamic func test_ThatIntoClauses_AreEquatable() {
        do {
            let into = Into<NSManagedObject>()
            XCTAssertEqual(into, Into<NSManagedObject>())
            XCTAssertEqual(into, Into(NSManagedObject.self))
            XCTAssertNotEqual(into, Into<NSManagedObject>(TestEntity1.self))
            XCTAssertNotEqual(into, Into<NSManagedObject>("Config1"))
        }
        do {
            let into = Into<TestEntity1>()
            XCTAssertEqual(into, Into<TestEntity1>())
            XCTAssertEqual(into, Into(TestEntity1.self))
            XCTAssertNotEqual(into, Into<TestEntity1>("Config1"))
        }
        do {
            let into = Into(TestEntity1.self)
            XCTAssert(into == Into<TestEntity1>())
            XCTAssertEqual(into, Into(TestEntity1.self))
            XCTAssertFalse(into == Into<TestEntity1>("Config1"))
        }
        do {
            let into = Into<TestEntity1>("Config1")
            XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
            XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
        }
        do {
            let into = Into(TestEntity1.self, "Config1")
            XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
            XCTAssertEqual(into, Into<TestEntity1>("Config1"))
            XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
        }
        do {
            let into = Into(TestEntity1.self, "Config1")
            XCTAssertEqual(into, Into<TestEntity1>("Config1"))
            XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
            XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
        }
    }
    @objc
    dynamic func test_ThatIntoClauses_BridgeCorrectly() {
        do {
            let into = Into<NSManagedObject>()
            let objcInto = into.bridgeToObjectiveC
            XCTAssertEqual(into, objcInto.bridgeToSwift)
        }
    }
 }
@@ -0,0 +1,676 @@
 //
 //  ListObserverTests.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: - ListObserverTests
@available(macOS 10.12, *)
 class ListObserverTests: BaseTestDataTestCase {
    @objc
    dynamic func test_ThatListObservers_CanReceiveInsertNotifications() {
        self.prepareStack { (stack) in
            let observer = TestListObserver()
            let monitor = stack.monitorSectionedList(
                From<TestEntity1>(),
                SectionBy(#keyPath(TestEntity1.testBoolean)),
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
            )
            monitor.addObserver(observer)
            XCTAssertFalse(monitor.hasSections())
            XCTAssertFalse(monitor.hasObjects())
            XCTAssertTrue(monitor.objectsInAllSections().isEmpty)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertSection:toSectionIndex:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 1)
                    XCTAssertEqual(
                        ((note.userInfo as NSDictionary?) ?? [:]),
                        [
                            "sectionInfo": monitor.sectionInfo(at: 0),
                            "sectionIndex": 0
                        ] as NSDictionary
                    )
                    defer {
                        events += 1
                    }
                    return events == 1
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 2)
                    let userInfo = note.userInfo
                    XCTAssertNotNil(userInfo)
                    XCTAssertEqual(
                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                        ["indexPath", "object"]
                    )
                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
                    XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
                    XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                    let object = userInfo?["object"] as? TestEntity1
                    XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                    XCTAssertEqual(object?.testNumber, NSNumber(value: 1))
                    XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "1"))
                    XCTAssertEqual(object?.testString, "nil:TestEntity1:1")
                    XCTAssertEqual(object?.testData, ("nil:TestEntity1:1" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                    XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-01T00:00:00Z")!)
                    defer {
                        events += 1
                    }
                    return events == 2
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 3
                }
            )
            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()
        }
    }
    @objc
    dynamic func test_ThatListObservers_CanReceiveUpdateNotifications() {
        self.prepareStack { (stack) in
            self.prepareTestDataForStack(stack)
            let observer = TestListObserver()
            let monitor = stack.monitorSectionedList(
                From<TestEntity1>(),
                SectionBy(#keyPath(TestEntity1.testBoolean)),
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
            )
            monitor.addObserver(observer)
            XCTAssertTrue(monitor.hasSections())
            XCTAssertEqual(monitor.numberOfSections(), 2)
            XCTAssertTrue(monitor.hasObjects())
            XCTAssertTrue(monitor.hasObjects(in: 0))
            XCTAssertEqual(monitor.numberOfObjects(in: 0), 2)
            XCTAssertEqual(monitor.numberOfObjects(in: 1), 3)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didUpdateObject:atIndexPath:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssert(events == 1 || events == 2)
                    let userInfo = note.userInfo
                    XCTAssertNotNil(userInfo)
                    XCTAssertEqual(
                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                        ["indexPath", "object"]
                    )
                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
                    let object = userInfo?["object"] as? TestEntity1
                    switch object?.testEntityID {
                    case NSNumber(value: 101)?:
                        XCTAssertEqual(indexPath?.index(atPosition: 0), 1)
                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                        XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                        XCTAssertEqual(object?.testNumber, NSNumber(value: 11))
                        XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "11"))
                        XCTAssertEqual(object?.testString, "nil:TestEntity1:11")
                        XCTAssertEqual(object?.testData, ("nil:TestEntity1:11" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                        XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-11T00:00:00Z")!)
                    case NSNumber(value: 102)?:
                        XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                        XCTAssertEqual(object?.testBoolean, NSNumber(value: false))
                        XCTAssertEqual(object?.testNumber, NSNumber(value: 22))
                        XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "22"))
                        XCTAssertEqual(object?.testString, "nil:TestEntity1:22")
                        XCTAssertEqual(object?.testData, ("nil:TestEntity1:22" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                        XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-22T00:00:00Z")!)
                    default:
                        XCTFail()
                    }
                    defer {
                        events += 1
                    }
                    return events == 1 || events == 2
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 3)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 3
                }
            )
            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()
        }
    }
    @objc
    dynamic func test_ThatListObservers_CanReceiveMoveNotifications() {
        self.prepareStack { (stack) in
            self.prepareTestDataForStack(stack)
            let observer = TestListObserver()
            let monitor = stack.monitorSectionedList(
                From<TestEntity1>(),
                SectionBy(#keyPath(TestEntity1.testBoolean)),
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
            )
            monitor.addObserver(observer)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didMoveObject:fromIndexPath:toIndexPath:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 1)
                    let userInfo = note.userInfo
                    XCTAssertNotNil(userInfo)
                    XCTAssertEqual(
                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                        ["fromIndexPath", "toIndexPath", "object"]
                    )
                    let fromIndexPath = userInfo?["fromIndexPath"] as? NSIndexPath
                    XCTAssertEqual(fromIndexPath?.index(atPosition: 0), 0)
                    XCTAssertEqual(fromIndexPath?.index(atPosition: 1), 0)
                    let toIndexPath = userInfo?["toIndexPath"] as? NSIndexPath
                    XCTAssertEqual(toIndexPath?.index(atPosition: 0), 1)
                    XCTAssertEqual(toIndexPath?.index(atPosition: 1), 1)
                    let object = userInfo?["object"] as? TestEntity1
                    XCTAssertEqual(object?.testEntityID, NSNumber(value: 102))
                    XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                    defer {
                        events += 1
                    }
                    return events == 1
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 2)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 2
                }
            )
            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()
        }
    }
    @objc
    dynamic func test_ThatListObservers_CanReceiveDeleteNotifications() {
        self.prepareStack { (stack) in
            self.prepareTestDataForStack(stack)
            let observer = TestListObserver()
            let monitor = stack.monitorSectionedList(
                From<TestEntity1>(),
                SectionBy(#keyPath(TestEntity1.testBoolean)),
                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
            )
            monitor.addObserver(observer)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteObject:fromIndexPath:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssert(events == 1 || events == 2)
                    let userInfo = note.userInfo
                    XCTAssertNotNil(userInfo)
                    XCTAssertEqual(
                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                        ["indexPath", "object"]
                    )
                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
                    XCTAssertEqual(indexPath?.section, 0)
                    XCTAssert(indexPath?.index(atPosition: 1) == 0 || indexPath?.index(atPosition: 1) == 1)
                    let object = userInfo?["object"] as? TestEntity1
                    XCTAssertEqual(object?.isDeleted, true)
                    defer {
                        events += 1
                    }
                    return events == 1 || events == 2
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteSection:fromSectionIndex:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 3)
                    let userInfo = note.userInfo
                    XCTAssertNotNil(userInfo)
                    XCTAssertEqual(
                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                        ["sectionInfo", "sectionIndex"]
                    )
                    let sectionInfo = userInfo?["sectionInfo"] as? NSFetchedResultsSectionInfo
                    XCTAssertNotNil(sectionInfo)
                    XCTAssertEqual(sectionInfo?.name, "0")
                    let sectionIndex = userInfo?["sectionIndex"]
                    XCTAssertEqual(sectionIndex as? NSNumber, NSNumber(value: 0))
                    defer {
                        events += 1
                    }
                    return events == 3
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 4)
                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                    defer {
                        events += 1
                    }
                    return events == 4
                }
            )
            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()
        }
    }
 }
 // MARK: TestListObserver
@available(macOS 10.12, *)
 class TestListObserver: ListSectionObserver {
    // MARK: ListObserver
    typealias ListEntityType = TestEntity1
    func listMonitorWillChange(_ monitor: ListMonitor<TestEntity1>) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitorWillChange:"),
            object: self,
            userInfo: [:]
        )
    }
    func listMonitorDidChange(_ monitor: ListMonitor<TestEntity1>) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitorDidChange:"),
            object: self,
            userInfo: [:]
        )
    }
    func listMonitorWillRefetch(_ monitor: ListMonitor<TestEntity1>) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitorWillRefetch:"),
            object: self,
            userInfo: [:]
        )
    }
    func listMonitorDidRefetch(_ monitor: ListMonitor<TestEntity1>) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitorDidRefetch:"),
            object: self,
            userInfo: [:]
        )
    }
    // MARK: ListObjectObserver
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didInsertObject object: TestEntity1, toIndexPath indexPath: IndexPath) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
            object: self,
            userInfo: [
                "object": object,
                "indexPath": indexPath
            ]
        )
    }
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didDeleteObject object: TestEntity1, fromIndexPath indexPath: IndexPath) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didDeleteObject:fromIndexPath:"),
            object: self,
            userInfo: [
                "object": object,
                "indexPath": indexPath
            ]
        )
    }
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didUpdateObject object: TestEntity1, atIndexPath indexPath: IndexPath) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didUpdateObject:atIndexPath:"),
            object: self,
            userInfo: [
                "object": object,
                "indexPath": indexPath
            ]
        )
    }
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didMoveObject object: TestEntity1, fromIndexPath: IndexPath, toIndexPath: IndexPath) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didMoveObject:fromIndexPath:toIndexPath:"),
            object: self,
            userInfo: [
                "object": object,
                "fromIndexPath": fromIndexPath,
                "toIndexPath": toIndexPath
            ]
        )
    }
    // MARK: ListSectionObserver
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didInsertSection:toSectionIndex:"),
            object: self,
            userInfo: [
                "sectionInfo": sectionInfo,
                "sectionIndex": sectionIndex
            ]
        )
    }
    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "listMonitor:didDeleteSection:fromSectionIndex:"),
            object: self,
            userInfo: [
                "sectionInfo": sectionInfo,
                "sectionIndex": sectionIndex
            ]
        )
    }
 }
@@ -0,0 +1,304 @@
 //
 //  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
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 10.15, *)
 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
@@ -0,0 +1,147 @@
 //
 //  MigrationChainTests.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: - MigrationChainTests
 final class MigrationChainTests: XCTestCase {
    @objc
    dynamic func test_ThatNilMigrationChains_HaveNoVersions() {
        let chain: MigrationChain = nil
        XCTAssertTrue(chain.isValid)
        XCTAssertTrue(chain.isEmpty)
        XCTAssertFalse(chain.contains("version1"))
        XCTAssertNil(chain.nextVersionFrom("version1"))
    }
    @objc
    dynamic func test_ThatStringMigrationChains_HaveOneVersion() {
        let chain: MigrationChain = "version1"
        XCTAssertTrue(chain.isValid)
        XCTAssertTrue(chain.isEmpty)
        XCTAssertTrue(chain.contains("version1"))
        XCTAssertFalse(chain.contains("version2"))
        XCTAssertNil(chain.nextVersionFrom("version1"))
        XCTAssertNil(chain.nextVersionFrom("version2"))
    }
    @objc
    dynamic func test_ThatArrayMigrationChains_HaveLinearVersions() {
        let chain: MigrationChain = ["version1", "version2", "version3", "version4"]
        XCTAssertTrue(chain.isValid)
        XCTAssertFalse(chain.isEmpty)
        XCTAssertTrue(chain.contains("version1"))
        XCTAssertTrue(chain.contains("version2"))
        XCTAssertTrue(chain.contains("version3"))
        XCTAssertTrue(chain.contains("version4"))
        XCTAssertFalse(chain.contains("version5"))
        XCTAssertEqual(chain.nextVersionFrom("version1"), "version2")
        XCTAssertEqual(chain.nextVersionFrom("version2"), "version3")
        XCTAssertEqual(chain.nextVersionFrom("version3"), "version4")
        XCTAssertNil(chain.nextVersionFrom("version4"))
        XCTAssertNil(chain.nextVersionFrom("version5"))
    }
    @objc
    dynamic func test_ThatDictionaryMigrationChains_HaveTreeVersions() {
        let chain: MigrationChain = [
            "version1": "version4",
            "version2": "version3",
            "version3": "version4"
        ]
        XCTAssertTrue(chain.isValid)
        XCTAssertFalse(chain.isEmpty)
        XCTAssertTrue(chain.contains("version1"))
        XCTAssertTrue(chain.contains("version2"))
        XCTAssertTrue(chain.contains("version3"))
        XCTAssertTrue(chain.contains("version4"))
        XCTAssertFalse(chain.contains("version5"))
        XCTAssertEqual(chain.nextVersionFrom("version1"), "version4")
        XCTAssertEqual(chain.nextVersionFrom("version2"), "version3")
        XCTAssertEqual(chain.nextVersionFrom("version3"), "version4")
        XCTAssertNil(chain.nextVersionFrom("version4"))
        XCTAssertNil(chain.nextVersionFrom("version5"))
 // The cases below will trigger assertion failures internally
 //        let linearLoopChain: MigrationChain = ["version1", "version2", "version1", "version3", "version4"]
 //        XCTAssertFalse(linearLoopChain.valid, "linearLoopChain.valid")
 //
 //        let treeAmbiguousChain: MigrationChain = [
 //            "version1": "version4",
 //            "version2": "version3",
 //            "version1": "version2",
 //            "version3": "version4"
 //        ]
 //        XCTAssertFalse(treeAmbiguousChain.valid, "treeAmbiguousChain.valid")
    }
    @objc
    dynamic func test_ThatMigrationChains_AreEquatable() {
        do {
            let chain1: MigrationChain = nil
            let chain2: MigrationChain = []
            let chain3: MigrationChain = [:]
            XCTAssertEqual(chain1, chain2)
            XCTAssertEqual(chain2, chain3)
            XCTAssertEqual(chain3, chain1)
        }
        do {
            let chain1: MigrationChain = "version1"
            let chain2: MigrationChain = ["version1"]
            XCTAssertEqual(chain1, chain2)
        }
        do {
            let chain1: MigrationChain = ["version1", "version2", "version3", "version4"]
            let chain2: MigrationChain = [
                "version1": "version2",
                "version2": "version3",
                "version3": "version4"
            ]
            XCTAssertEqual(chain1, chain2)
        }
    }
 }
@@ -0,0 +1,37 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="14460.32" systemVersion="17G2307" minimumToolsVersion="Xcode 4.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
    <entity name="TestEntity1AAA" representedClassName="CoreStoreTests.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"/>
        <attribute name="testDecimal" optional="YES" attributeType="Decimal" syncable="YES"/>
        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
        <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">
        <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"/>
        <attribute name="testDecimal" optional="YES" attributeType="Decimal" syncable="YES"/>
        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
        <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"/>
    </configuration>
    <configuration name="Config2">
        <memberEntity name="TestEntity2"/>
    </configuration>
    <elements>
        <element name="TestEntity1AAA" positionX="-63" positionY="-18" width="128" height="195"/>
        <element name="TestEntity2" positionX="-63" positionY="9" width="128" height="195"/>
    </elements>
 </model>
@@ -0,0 +1,244 @@
 //
 //  ObjectObserverTests.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: - ObjectObserverTests
@available(macOS 10.12, *)
 class ObjectObserverTests: BaseTestDataTestCase {
    @objc
    dynamic func test_ThatObjectObservers_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 = TestObjectObserver()
            let monitor = stack.monitorObject(object)
            monitor.addObserver(observer)
            XCTAssertEqual(monitor.object, object)
            XCTAssertFalse(monitor.isObjectDeleted)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "objectMonitor:willUpdateObject:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual(
                        ((note.userInfo as NSDictionary?) ?? [:]),
                        ["object": object] as NSDictionary
                    )
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "objectMonitor:didUpdateObject:changedPersistentKeys:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 1)
                    XCTAssertEqual(
                        ((note.userInfo as NSDictionary?) ?? [:]),
                        [
                            "object": object,
                            "changedPersistentKeys": Set(
                                [
                                    #keyPath(TestEntity1.testNumber),
                                    #keyPath(TestEntity1.testString)
                                ]
                            )
                        ] as NSDictionary
                    )
                    let object = note.userInfo?["object"] as? TestEntity1
                    XCTAssertEqual(object?.testNumber, NSNumber(value: 10))
                    XCTAssertEqual(object?.testString, "nil:TestEntity1:10")
                    defer {
                        events += 1
                    }
                    return events == 1
                }
            )
            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()
        }
    }
    @objc
    dynamic func test_ThatObjectObservers_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 = TestObjectObserver()
            let monitor = stack.monitorObject(object)
            monitor.addObserver(observer)
            XCTAssertEqual(monitor.object, object)
            XCTAssertFalse(monitor.isObjectDeleted)
            var events = 0
            _ = self.expectation(
                forNotification: NSNotification.Name(rawValue: "objectMonitor:didDeleteObject:"),
                object: observer,
                handler: { (note) -> Bool in
                    XCTAssertEqual(events, 0)
                    XCTAssertEqual(
                        ((note.userInfo as NSDictionary?) ?? [:]),
                        ["object": object] as NSDictionary
                    )
                    defer {
                        events += 1
                    }
                    return events == 0
                }
            )
            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)
                    XCTAssertTrue(monitor.isObjectDeleted)
                    saveExpectation.fulfill()
                },
                failure: { _ in
                    XCTFail()
                }
            )
            self.waitAndCheckExpectations()
        }
    }
 }
 // MARK: TestObjectObserver
@available(macOS 10.12, *)
 class TestObjectObserver: ObjectObserver {
    typealias ObjectEntityType = TestEntity1
    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, willUpdateObject object: TestEntity1) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "objectMonitor:willUpdateObject:"),
            object: self,
            userInfo: [
                "object": object
            ]
        )
    }
    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, didUpdateObject object: TestEntity1, changedPersistentKeys: Set<String>) {
        NotificationCenter.default.post(
            name: NSNotification.Name(rawValue: "objectMonitor:didUpdateObject:changedPersistentKeys:"),
            object: self,
            userInfo: [
                "object": object,
                "changedPersistentKeys": changedPersistentKeys
            ]
        )
    }
    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, didDeleteObject object: TestEntity1) {
        NotificationCenter.default.post(
            name: Notification.Name(rawValue: "objectMonitor:didDeleteObject:"),
            object: self,
            userInfo: [
                "object": object
            ]
        )
    }
 }
@@ -0,0 +1,155 @@
 //
 //  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
@available(macOS 10.12, *)
 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, {})
        }
    }
 }
@@ -0,0 +1,187 @@
 //
 //  OrderByTests.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: - OrderByTests
 final class OrderByTests: XCTestCase {
    @objc
    dynamic func test_ThatOrderByClauses_ConfigureCorrectly() {
        do {
            let orderBy = OrderBy<NSManagedObject>()
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([NSSortDescriptor]()))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(NSSortDescriptor(key: "key", ascending: false)))
            XCTAssertTrue(orderBy.sortDescriptors.isEmpty)
        }
        do {
            let sortDescriptor = NSSortDescriptor(key: "key1", ascending: true)
            let orderBy = OrderBy<NSManagedObject>(sortDescriptor)
            XCTAssertEqual(orderBy, OrderBy(sortDescriptor))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key2")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.descending("key1")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(NSSortDescriptor(key: "key1", ascending: false)))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([sortDescriptor]))
            XCTAssertEqual(orderBy.sortDescriptors, [sortDescriptor])
        }
        do {
            let sortDescriptors = [
                NSSortDescriptor(key: "key1", ascending: true),
                NSSortDescriptor(key: "key2", ascending: false)
            ]
            let orderBy = OrderBy<NSManagedObject>(sortDescriptors)
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
            XCTAssertNotEqual(
                orderBy,
                OrderBy<NSManagedObject>(
                    [
                        NSSortDescriptor(key: "key1", ascending: false),
                        NSSortDescriptor(key: "key2", ascending: false)
                    ]
                )
            )
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
            XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
        }
        do {
            let orderBy = OrderBy<NSManagedObject>(.ascending("key1"))
            let sortDescriptor = NSSortDescriptor(key: "key1", ascending: true)
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptor))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.descending("key1")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key2")))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([sortDescriptor]))
            XCTAssertEqual(orderBy.sortDescriptors, [sortDescriptor])
        }
        do {
            let orderBy = OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"))
            let sortDescriptors = [
                NSSortDescriptor(key: "key1", ascending: true),
                NSSortDescriptor(key: "key2", ascending: false)
            ]
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
            XCTAssertNotEqual(
                orderBy,
                OrderBy<NSManagedObject>(
                    [
                        NSSortDescriptor(key: "key1", ascending: false),
                        NSSortDescriptor(key: "key2", ascending: false)
                    ]
                )
            )
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
            XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
        }
        do {
            let sortKeys: [OrderBy<NSManagedObject>.SortKey] = [.ascending("key1"), .descending("key2")]
            let orderBy = OrderBy<NSManagedObject>(sortKeys)
            let sortDescriptors = [
                NSSortDescriptor(key: "key1", ascending: true),
                NSSortDescriptor(key: "key2", ascending: false)
            ]
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
            XCTAssertNotEqual(
                orderBy,
                OrderBy<NSManagedObject>(
                    [
                        NSSortDescriptor(key: "key1", ascending: false),
                        NSSortDescriptor(key: "key2", ascending: false)
                    ]
                )
            )
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
            XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
        }
    }
    @objc
    dynamic func test_ThatOrderByClauseOperations_ComputeCorrectly() {
        let orderBy1 = OrderBy<NSManagedObject>(.ascending("key1"))
        let orderBy2 = OrderBy<NSManagedObject>(.descending("key2"))
        let orderBy3 = OrderBy<NSManagedObject>(.ascending("key3"))
        do {
            let plusOrderBy = orderBy1 + orderBy2 + orderBy3
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"), .ascending("key3")))
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1")) + OrderBy<NSManagedObject>(.descending("key2"), .ascending("key3")))
            XCTAssertNotEqual(plusOrderBy, orderBy1 + orderBy3 + orderBy2)
            XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1 + orderBy3)
            XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy3 + orderBy1)
            XCTAssertNotEqual(plusOrderBy, orderBy3 + orderBy1 + orderBy2)
            XCTAssertNotEqual(plusOrderBy, orderBy3 + orderBy2 + orderBy1)
            XCTAssertEqual(plusOrderBy.sortDescriptors, orderBy1.sortDescriptors + orderBy2.sortDescriptors + orderBy3.sortDescriptors)
        }
        do {
            var plusOrderBy = orderBy1
            plusOrderBy += orderBy2
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1")) + OrderBy<NSManagedObject>(.descending("key2")))
            XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1)
            XCTAssertEqual(plusOrderBy.sortDescriptors, orderBy1.sortDescriptors + orderBy2.sortDescriptors)
            plusOrderBy += orderBy3
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"), .ascending("key3")))
            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")) + OrderBy<NSManagedObject>(.ascending("key3")))
            XCTAssertNotEqual(plusOrderBy, orderBy1 + orderBy3 + orderBy2)
            XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1 + orderBy3)
            XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy3 + orderBy1)
            XCTAssertNotEqual(plusOrderBy, orderBy3 + orderBy1 + orderBy2)
            XCTAssertNotEqual(plusOrderBy, orderBy3 + orderBy2 + orderBy1)
            XCTAssertEqual(plusOrderBy.sortDescriptors, orderBy1.sortDescriptors + orderBy2.sortDescriptors + orderBy3.sortDescriptors)
        }
    }
    @objc
    dynamic func test_ThatOrderByClauses_ApplyToFetchRequestsCorrectly() {
        let orderBy = OrderBy<NSManagedObject>(.ascending("key"))
        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
        orderBy.applyToFetchRequest(request)
        XCTAssertNotNil(request.sortDescriptors)
        XCTAssertEqual(request.sortDescriptors ?? [], orderBy.sortDescriptors)
    }
 }
@@ -0,0 +1,54 @@
 //
 //  SectionByTests.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: - SectionByTests
@available(macOS 10.12, *)
 final class SectionByTests: XCTestCase {
    @objc
    dynamic func test_ThatSectionByClauses_ConfigureCorrectly() {
        do {
            let sectionBy = SectionBy<NSManagedObject>("key")
            XCTAssertEqual(sectionBy.sectionKeyPath, "key")
            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key")
        }
        do {
            let sectionBy = SectionBy<NSManagedObject>("key") { $0.flatMap { "\($0):suffix" } }
            XCTAssertEqual(sectionBy.sectionKeyPath, "key")
            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key:suffix")
            XCTAssertNil(sectionBy.sectionIndexTransformer(nil))
        }
    }
 }
@@ -0,0 +1,420 @@
 //
 //  SelectTests.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: - SelectTests
 final class SelectTests: XCTestCase {
    @objc
    dynamic func test_ThatAttributeSelectTerms_ConfigureCorrectly() {
        do {
            let term: SelectTerm<NSManagedObject> = "attribute"
            XCTAssertEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._attribute(let key):
                XCTAssertEqual(key, "attribute")
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.attribute("attribute")
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._attribute(let key):
                XCTAssertEqual(key, "attribute")
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatAverageSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.average("attribute")
            XCTAssertEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "average:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "average(attribute)")
                XCTAssertTrue(nativeType == .decimalAttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.average("attribute", as: "alias")
            XCTAssertEqual(term, SelectTerm.average("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute", as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "average:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .decimalAttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatCountSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.count("attribute")
            XCTAssertEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "count:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "count(attribute)")
                XCTAssertTrue(nativeType == .integer64AttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.count("attribute", as: "alias")
            XCTAssertEqual(term, SelectTerm.count("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute", as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "count:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .integer64AttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatMaximumSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.maximum("attribute")
            XCTAssertEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "max:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "max(attribute)")
                XCTAssertTrue(nativeType == .undefinedAttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.maximum("attribute", as: "alias")
            XCTAssertEqual(term, SelectTerm.maximum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute", as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "max:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .undefinedAttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatMinimumSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.minimum("attribute")
            XCTAssertEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "min:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "min(attribute)")
                XCTAssertTrue(nativeType == .undefinedAttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.minimum("attribute", as: "alias")
            XCTAssertEqual(term, SelectTerm.minimum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute", as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "min:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .undefinedAttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatSumSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.sum("attribute")
            XCTAssertEqual(term, SelectTerm.sum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "sum:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "sum(attribute)")
                XCTAssertTrue(nativeType == .decimalAttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.sum("attribute", as: "alias")
            XCTAssertEqual(term, SelectTerm.sum("attribute", as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute", as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute2"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            switch term {
            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                XCTAssertEqual(function, "sum:")
                XCTAssertEqual(keyPath, "attribute")
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .decimalAttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatObjectIDSelectTerms_ConfigureCorrectly() {
        do {
            let term = SelectTerm<NSManagedObject>.objectID()
            XCTAssertEqual(term, SelectTerm.objectID())
            XCTAssertNotEqual(term, SelectTerm.objectID(as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            switch term {
            case ._identity(let alias, let nativeType):
                XCTAssertEqual(alias, "objectID")
                XCTAssertTrue(nativeType == .objectIDAttributeType)
            default:
                XCTFail()
            }
        }
        do {
            let term = SelectTerm<NSManagedObject>.objectID(as: "alias")
            XCTAssertEqual(term, SelectTerm.objectID(as: "alias"))
            XCTAssertNotEqual(term, SelectTerm.objectID(as: "alias2"))
            XCTAssertNotEqual(term, SelectTerm.objectID())
            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
            switch term {
            case ._identity(let alias, let nativeType):
                XCTAssertEqual(alias, "alias")
                XCTAssertTrue(nativeType == .objectIDAttributeType)
            default:
                XCTFail()
            }
        }
    }
    @objc
    dynamic func test_ThatSelectClauses_ConfigureCorrectly() {
        let term1 = SelectTerm<NSManagedObject>.attribute("attribute1")
        let term2 = SelectTerm<NSManagedObject>.attribute("attribute2")
        let term3 = SelectTerm<NSManagedObject>.attribute("attribute3")
        do {
            let select = Select<NSManagedObject, Int>(term1, term2, term3)
            XCTAssertEqual(select.selectTerms, [term1, term2, term3])
            XCTAssertNotEqual(select.selectTerms, [term1, term3, term2])
            XCTAssertNotEqual(select.selectTerms, [term2, term1, term3])
            XCTAssertNotEqual(select.selectTerms, [term2, term3, term1])
            XCTAssertNotEqual(select.selectTerms, [term3, term1, term2])
            XCTAssertNotEqual(select.selectTerms, [term3, term2, term1])
        }
        do {
            let select = Select<NSManagedObject, Int>([term1, term2, term3])
            XCTAssertEqual(select.selectTerms, [term1, term2, term3])
            XCTAssertNotEqual(select.selectTerms, [term1, term3, term2])
            XCTAssertNotEqual(select.selectTerms, [term2, term1, term3])
            XCTAssertNotEqual(select.selectTerms, [term2, term3, term1])
            XCTAssertNotEqual(select.selectTerms, [term3, term1, term2])
            XCTAssertNotEqual(select.selectTerms, [term3, term2, term1])
        }
    }
 }
@@ -0,0 +1,378 @@
 //
 //  SetupTests.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.
 //
@testable
 import CoreStore
 // MARK: - SetupTests
 class SetupTests: BaseTestDataTestCase {
    @objc
    dynamic func test_ThatDataStacks_ConfigureCorrectly() {
        do {
            let schemaHistory = SchemaHistory(
                XcodeDataModelSchema.from(
                    modelName: "Model",
                    bundle: Bundle(for: Self.self)
                )
            )
            let stack = DataStack(schemaHistory: schemaHistory)
            XCTAssertEqual(stack.coordinator.managedObjectModel, schemaHistory.rawModel)
            XCTAssertEqual(stack.rootSavingContext.persistentStoreCoordinator, stack.coordinator)
            XCTAssertNil(stack.rootSavingContext.parent)
            XCTAssertFalse(stack.rootSavingContext.isDataStackContext)
            XCTAssertFalse(stack.rootSavingContext.isTransactionContext)
            XCTAssertEqual(stack.mainContext.parent, stack.rootSavingContext)
            XCTAssertTrue(stack.mainContext.isDataStackContext)
            XCTAssertFalse(stack.mainContext.isTransactionContext)
            XCTAssertEqual(stack.schemaHistory.rawModel, schemaHistory.rawModel)
            XCTAssertTrue(stack.schemaHistory.migrationChain.isValid)
            XCTAssertTrue(stack.schemaHistory.migrationChain.isEmpty)
            XCTAssertTrue(stack.schemaHistory.migrationChain.rootVersions.isEmpty)
            XCTAssertTrue(stack.schemaHistory.migrationChain.leafVersions.isEmpty)
        }
        do {
            let migrationChain: MigrationChain = ["version1", "version2", "version3", "Model"]
            let stack = self.expectLogger([.logWarning]) {
                DataStack(
                    xcodeModelName: "Model",
                    bundle: Bundle(for: Self.self),
                    migrationChain: migrationChain
                )
            }
            XCTAssertEqual(stack.modelVersion, "Model")
            XCTAssertEqual(stack.schemaHistory.migrationChain, migrationChain)
        }
    }
    @objc
    dynamic func test_ThatInMemoryStores_SetupCorrectly() {
        let stack = DataStack(
            xcodeModelName: "Model",
            bundle: Bundle(for: Self.self)
        )
        do {
            let inMemoryStore = InMemoryStore()
            do {
                try stack.addStorageAndWait(inMemoryStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(inMemoryStore)
            XCTAssertNotNil(persistentStore)
        }
        do {
            let inMemoryStore = InMemoryStore(
                configuration: "Config1"
            )
            do {
                try stack.addStorageAndWait(inMemoryStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(inMemoryStore)
            XCTAssertNotNil(persistentStore)
        }
        do {
            let inMemoryStore = InMemoryStore(
                configuration: "Config2"
            )
            do {
                try stack.addStorageAndWait(inMemoryStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(inMemoryStore)
            XCTAssertNotNil(persistentStore)
        }
    }
    @objc
    dynamic func test_ThatSQLiteStores_SetupCorrectly() {
        let stack = DataStack(
            xcodeModelName: "Model",
            bundle: Bundle(for: Self.self)
        )
        do {
            let sqliteStore = SQLiteStore()
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
        do {
            let sqliteStore = SQLiteStore(
                fileName: "ConfigStore1.sqlite",
                configuration: "Config1",
                localStorageOptions: .recreateStoreOnModelMismatch
            )
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
        do {
            let sqliteStore = SQLiteStore(
                fileName: "ConfigStore2.sqlite",
                configuration: "Config2",
                localStorageOptions: .recreateStoreOnModelMismatch
            )
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
    }
    @objc
    dynamic func test_ThatSQLiteStores_DeleteFilesCorrectly() {
        let fileManager = FileManager.default
        let sqliteStore = SQLiteStore()
        func createStore() throws -> [String: Any] {
            do {
                let stack = DataStack(
                    xcodeModelName: "Model",
                    bundle: Bundle(for: Self.self)
                )
                try! stack.addStorageAndWait(sqliteStore)
                self.prepareTestDataForStack(stack)
            }
            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
            return try NSPersistentStoreCoordinator.metadataForPersistentStore(
                ofType: type(of: sqliteStore).storeType,
                at: sqliteStore.fileURL,
                options: sqliteStore.storeOptions
            )
        }
        do {
            let metadata = try createStore()
            let stack = DataStack(
                xcodeModelName: "Model",
                bundle: Bundle(for: Self.self)
            )
            try sqliteStore.cs_eraseStorageAndWait(
                metadata: metadata,
                soureModelHint: stack.schemaHistory.schema(for: metadata)?.rawModel()
            )
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
        }
        catch {
            XCTFail()
        }
        do {
            let metadata = try createStore()
            try sqliteStore.cs_eraseStorageAndWait(metadata: metadata, soureModelHint: nil)
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
        }
        catch {
            XCTFail()
        }
    }
    @objc
    dynamic func test_ThatLegacySQLiteStores_SetupCorrectly() {
        let stack = DataStack(
            xcodeModelName: "Model",
            bundle: Bundle(for: Self.self)
        )
        do {
            let sqliteStore = SQLiteStore.legacy()
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
        do {
            let sqliteStore = SQLiteStore.legacy(
                fileName: "ConfigStore1.sqlite",
                configuration: "Config1",
                localStorageOptions: .recreateStoreOnModelMismatch
            )
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
        do {
            let sqliteStore = SQLiteStore.legacy(
                fileName: "ConfigStore2.sqlite",
                configuration: "Config2",
                localStorageOptions: .recreateStoreOnModelMismatch
            )
            do {
                try stack.addStorageAndWait(sqliteStore)
            }
            catch let error as NSError {
                XCTFail(error.description)
            }
            let persistentStore = stack.persistentStoreForStorage(sqliteStore)
            XCTAssertNotNil(persistentStore)
            XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
        }
    }
    @objc
    dynamic func test_ThatLegacySQLiteStores_DeleteFilesCorrectly() {
        let fileManager = FileManager.default
        let sqliteStore = SQLiteStore.legacy()
        func createStore() throws -> [String: Any] {
            do {
                let stack = DataStack(
                    xcodeModelName: "Model",
                    bundle: Bundle(for: Self.self)
                )
                try! stack.addStorageAndWait(
                    SQLiteStore.legacy(
                        fileName: sqliteStore.fileURL.lastPathComponent,
                        configuration: sqliteStore.configuration,
                        migrationMappingProviders: sqliteStore.migrationMappingProviders,
                        localStorageOptions: .recreateStoreOnModelMismatch
                    )
                )
                self.prepareTestDataForStack(stack)
            }
            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
            return try NSPersistentStoreCoordinator.metadataForPersistentStore(
                ofType: type(of: sqliteStore).storeType,
                at: sqliteStore.fileURL,
                options: sqliteStore.storeOptions
            )
        }
        do {
            let metadata = try createStore()
            let stack = DataStack(
                xcodeModelName: "Model",
                bundle: Bundle(for: Self.self)
            )
            try sqliteStore.cs_eraseStorageAndWait(
                metadata: metadata,
                soureModelHint: stack.schemaHistory.schema(for: metadata)?.rawModel()
            )
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
        }
        catch {
            XCTFail()
        }
        do {
            let metadata = try createStore()
            try sqliteStore.cs_eraseStorageAndWait(metadata: metadata, soureModelHint: nil)
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
        }
        catch {
            XCTFail()
        }
    }
 }
@@ -0,0 +1,270 @@
 //
 //  StorageInterfaceTests.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: - StorageInterfaceTests
 final class StorageInterfaceTests: XCTestCase {
    @objc
    dynamic func test_ThatDefaultInMemoryStores_ConfigureCorrectly() {
        let store = InMemoryStore()
        XCTAssertEqual(type(of: store).storeType, NSInMemoryStoreType)
        XCTAssertNil(store.configuration)
        XCTAssertNil(store.storeOptions)
    }
    @objc
    dynamic func test_ThatCustomInMemoryStores_ConfigureCorrectly() {
        let store = InMemoryStore(configuration: "config1")
        XCTAssertEqual(type(of: store).storeType, NSInMemoryStoreType)
        XCTAssertEqual(store.configuration, "config1")
        XCTAssertNil(store.storeOptions)
    }
    @objc
    dynamic func test_ThatSQLiteStoreDefaultDirectories_AreCorrect() {
        #if os(tvOS)
            let systemDirectorySearchPath = FileManager.SearchPathDirectory.cachesDirectory
        #else
            let systemDirectorySearchPath = FileManager.SearchPathDirectory.applicationSupportDirectory
        #endif
        let defaultSystemDirectory = FileManager.default
            .urls(for: systemDirectorySearchPath, in: .userDomainMask).first!
        let defaultRootDirectory = defaultSystemDirectory.appendingPathComponent(
            Bundle.main.bundleIdentifier ?? "com.CoreStore.DataStack",
            isDirectory: true
        )
        let applicationName = (Bundle.main.object(forInfoDictionaryKey: "CFBundleName") as? String) ?? "CoreData"
        let defaultFileURL = defaultRootDirectory
            .appendingPathComponent(applicationName, isDirectory: false)
            .appendingPathExtension("sqlite")
        XCTAssertEqual(SQLiteStore.defaultRootDirectory, defaultRootDirectory)
        XCTAssertEqual(SQLiteStore.defaultFileURL, defaultFileURL)
    }
    @objc
    dynamic func test_ThatDefaultSQLiteStores_ConfigureCorrectly() {
        let store = SQLiteStore()
        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
        XCTAssertNil(store.configuration)
        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
            )
        }
        else {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
            )
        }
        XCTAssertEqual(store.fileURL, SQLiteStore.defaultFileURL)
        XCTAssertTrue(store.migrationMappingProviders.isEmpty)
        XCTAssertEqual(store.localStorageOptions, .none)
    }
    @objc
    dynamic func test_ThatFileURLSQLiteStores_ConfigureCorrectly() {
        let fileURL = FileManager.default.temporaryDirectory
            .appendingPathComponent(UUID().uuidString, isDirectory: false)
            .appendingPathExtension("db")
        let mappingProvider = XcodeSchemaMappingProvider(
            from: "V1", to: "V2",
            mappingModelBundle: Bundle(for: Self.self)
        )
        let store = SQLiteStore(
            fileURL: fileURL,
            configuration: "config1",
            migrationMappingProviders: [mappingProvider],
            localStorageOptions: .recreateStoreOnModelMismatch
        )
        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
        XCTAssertEqual(store.configuration, "config1")
        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
            )
        }
        else {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
            )
        }
        XCTAssertEqual(store.fileURL, fileURL)
        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
    }
    @objc
    dynamic func test_ThatFileNameSQLiteStores_ConfigureCorrectly() {
        let fileName = UUID().uuidString + ".db"
        let mappingProvider = XcodeSchemaMappingProvider(
            from: "V1", to: "V2",
            mappingModelBundle: Bundle(for: Self.self)
        )
        let store = SQLiteStore(
            fileName: fileName,
            configuration: "config1",
            migrationMappingProviders: [mappingProvider],
            localStorageOptions: .recreateStoreOnModelMismatch
        )
        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
        XCTAssertEqual(store.configuration, "config1")
        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
            )
        }
        else {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
            )
        }
        XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.defaultRootDirectory)
        XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
    }
    @objc
    dynamic func test_ThatLegacySQLiteStoreDefaultDirectories_AreCorrect() {
        #if os(tvOS)
            let systemDirectorySearchPath = FileManager.SearchPathDirectory.cachesDirectory
        #else
            let systemDirectorySearchPath = FileManager.SearchPathDirectory.applicationSupportDirectory
        #endif
        let legacyDefaultRootDirectory = FileManager.default.urls(
            for: systemDirectorySearchPath,
            in: .userDomainMask).first!
        let legacyDefaultFileURL = legacyDefaultRootDirectory
            .appendingPathComponent(DataStack.applicationName, isDirectory: false)
            .appendingPathExtension("sqlite")
        XCTAssertEqual(SQLiteStore.legacyDefaultRootDirectory, legacyDefaultRootDirectory)
        XCTAssertEqual(SQLiteStore.legacyDefaultFileURL, legacyDefaultFileURL)
    }
    @objc
    dynamic func test_ThatDefaultLegacySQLiteStores_ConfigureCorrectly() {
        let store = SQLiteStore.legacy()
        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
        XCTAssertNil(store.configuration)
        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
            )
        }
        else {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
            )
        }
        XCTAssertEqual(store.fileURL, SQLiteStore.legacyDefaultFileURL)
        XCTAssertTrue(store.migrationMappingProviders.isEmpty)
        XCTAssertEqual(store.localStorageOptions, .none)
    }
    @objc
    dynamic func test_ThatFileNameLegacySQLiteStores_ConfigureCorrectly() {
        let fileName = UUID().uuidString + ".db"
        let mappingProvider = XcodeSchemaMappingProvider(
            from: "V1", to: "V2",
            mappingModelBundle: Bundle(for: Self.self)
        )
        let store = SQLiteStore.legacy(
            fileName: fileName,
            configuration: "config1",
            migrationMappingProviders: [mappingProvider],
            localStorageOptions: .recreateStoreOnModelMismatch
        )
        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
        XCTAssertEqual(store.configuration, "config1")
        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
            )
        }
        else {
            XCTAssertEqual(
                store.storeOptions as NSDictionary?,
                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
            )
        }
        XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.legacyDefaultRootDirectory)
        XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
    }
 }
@@ -0,0 +1,41 @@
 //
 //  TestEntity1.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 Foundation
 import CoreData
 class TestEntity1: NSManagedObject {
    @NSManaged var testEntityID: NSNumber?
    @NSManaged var testString: String?
    @NSManaged var testNumber: NSNumber?
    @NSManaged var testDate: Date?
    @NSManaged var testBoolean: NSNumber?
    @NSManaged var testDecimal: NSDecimalNumber?
    @NSManaged var testData: Data?
    @NSManaged var testNil: String?
    @NSManaged var testToOne: TestEntity1?
    @NSManaged var testToManyUnordered: NSSet?
 }
@@ -0,0 +1,41 @@
 //
 //  TestEntity1.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 Foundation
 import CoreData
 class TestEntity2: NSManagedObject {
    @NSManaged var testEntityID: NSNumber?
    @NSManaged var testString: String?
    @NSManaged var testNumber: NSNumber?
    @NSManaged var testDate: Date?
    @NSManaged var testBoolean: NSNumber?
    @NSManaged var testDecimal: NSDecimalNumber?
    @NSManaged var testData: Data?
    @NSManaged var testNil: String?
    @NSManaged var testToOne: TestEntity2?
    @NSManaged var testToManyOrdered: NSOrderedSet?
 }
@@ -0,0 +1,53 @@
 //
 //  TweakTests.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: - TweakTests
 final class TweakTests: XCTestCase {
    @objc
    dynamic func test_ThatTweakClauses_ApplyToFetchRequestsCorrectly() {
        let predicate = NSPredicate(format: "%K == %@", "key", "value")
        let tweak = Tweak {
            $0.fetchOffset = 100
            $0.fetchLimit = 200
            $0.predicate = predicate
        }
        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
        tweak.applyToFetchRequest(request)
        XCTAssertEqual(request.fetchOffset, 100)
        XCTAssertEqual(request.fetchLimit, 200)
        XCTAssertNotNil(request.predicate)
        XCTAssertEqual(request.predicate, predicate)
    }
 }
@@ -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]
            ]
            """
        )
    }
 }
@@ -0,0 +1,602 @@
 //
 //  WhereTests.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: - XCTAssertAllEqual
 private func XCTAssertAllEqual<O>(_ whereClauses: Where<O>...) {
    XCTAssertAllEqual(whereClauses)
 }
 private func XCTAssertAllEqual<O>(_ whereClauses: [Where<O>]) {
    for i in whereClauses.indices {
        for j in whereClauses.indices where j != i {
            XCTAssertEqual(whereClauses[i], whereClauses[j])
        }
    }
 }
 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
 final class WhereTests: XCTestCase {
    @objc
    dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
        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
    dynamic func test_ThatWhereClauses_ConfigureCorrectly() {
        do {
            let whereClause = Where<NSManagedObject>()
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(true))
            XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
            XCTAssertAllEqual(whereClause.predicate, NSPredicate(value: true))
        }
        do {
            let whereClause = Where<NSManagedObject>(true)
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>())
            XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
            XCTAssertAllEqual(whereClause.predicate, NSPredicate(value: true))
        }
        do {
            let predicate = NSPredicate(format: "%K == %@", "key", "value")
            let whereClause = Where<NSManagedObject>(predicate)
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
            XCTAssertAllEqual(whereClause.predicate, predicate)
        }
        do {
            let whereClause = Where<NSManagedObject>("%K == %@", "key", "value")
            let predicate = NSPredicate(format: "%K == %@", "key", "value")
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
            XCTAssertAllEqual(whereClause.predicate, predicate)
        }
        do {
            let whereClause = Where<NSManagedObject>("%K == %@", argumentArray: ["key", "value"])
            let predicate = NSPredicate(format: "%K == %@", "key", "value")
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
            XCTAssertAllEqual(whereClause.predicate, predicate)
        }
        do {
            let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
            let predicate = NSPredicate(format: "%K == %@", "key", "value")
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(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"])
            XCTAssertAllEqual(whereClause, Where<NSManagedObject>(predicate))
            XCTAssertAllEqual(whereClause.predicate, predicate)
        }
    }
    @objc
    dynamic func test_ThatWhereClauses_BridgeArgumentsCorrectly() {
        do {
            let value: Int = 100
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %d", "key", value),
                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %d", "key", NSNumber(value: value)),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", NSNumber(value: value)),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: NSNumber(value: value))
            )
        }
        do {
            let value = NSNumber(value: 100)
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %d", "key", value),
                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %d", "key", value.intValue),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", value.intValue),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: value.intValue)
            )
        }
        do {
            let value: Int64 = Int64.max
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %d", "key", value),
                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %d", "key", NSNumber(value: value)),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", NSNumber(value: value)),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: NSNumber(value: value))
            )
        }
        do {
            let value = NSNumber(value: Int64.max)
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %d", "key", value),
                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %d", "key", value.int64Value),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", value.int64Value),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: value.int64Value)
            )
        }
        do {
            let value: String = "value"
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %s", "key", value),
                Where<NSManagedObject>("%K == %s", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %s", "key", NSString(string: value)),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", NSString(string: value)),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: value as NSString),
                Where<NSManagedObject>("key", isEqualTo: NSString(string: value))
            )
        }
        do {
            let value = NSString(string: "value")
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K == %s", "key", value),
                Where<NSManagedObject>("%K == %s", "key", value as String),
                Where<NSManagedObject>("%K == %s", "key", value as String as AnyObject),
                Where<NSManagedObject>("%K == %@", "key", value),
                Where<NSManagedObject>("%K == %@", "key", value as String),
                Where<NSManagedObject>("%K == %@", "key", value as String as AnyObject),
                Where<NSManagedObject>("key", isEqualTo: value),
                Where<NSManagedObject>("key", isEqualTo: value as String),
                Where<NSManagedObject>("key", isEqualTo: value as String as NSString)
            )
        }
        do {
            let value: [Int] = [100, 200]
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K IN %@", "key", value),
                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K IN %@", "key", value as [AnyObject]),
                Where<NSManagedObject>("%K IN %@", "key", value as NSArray),
                Where<NSManagedObject>("%K IN %@", "key", NSArray(array: value)),
                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject as! NSArray),
                Where<NSManagedObject>("key", isMemberOf: value)
            )
        }
        do {
            let value: [Int64] = [Int64.min, 100, Int64.max]
            XCTAssertAllEqual(
                Where<NSManagedObject>("%K IN %@", "key", value),
                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject),
                Where<NSManagedObject>("%K IN %@", "key", value as [AnyObject]),
                Where<NSManagedObject>("%K IN %@", "key", value as NSArray),
                Where<NSManagedObject>("%K IN %@", "key", NSArray(array: value)),
                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject as! NSArray),
                Where<NSManagedObject>("key", isMemberOf: value)
            )
        }
    }
    @objc
    dynamic func test_ThatWhereClauseOperations_ComputeCorrectly() {
        let whereClause1 = Where<NSManagedObject>("key1", isEqualTo: "value1")
        let whereClause2 = Where<NSManagedObject>("key2", isEqualTo: "value2")
        let whereClause3 = Where<NSManagedObject>("key3", isEqualTo: "value3")
        do {
            let notWhere = !whereClause1
            let notPredicate = NSCompoundPredicate(
                type: .not,
                subpredicates: [whereClause1.predicate]
            )
            XCTAssertAllEqual(notWhere.predicate, notPredicate)
            XCTAssertAllEqual(notWhere, !whereClause1)
        }
        do {
            let andWhere = whereClause1 && whereClause2 && whereClause3
            let andPredicate = NSCompoundPredicate(
                type: .and,
                subpredicates: [
                    NSCompoundPredicate(
                        type: .and,
                        subpredicates: [whereClause1.predicate, whereClause2.predicate]
                    ),
                    whereClause3.predicate
                ]
            )
            XCTAssertAllEqual(andWhere.predicate, andPredicate)
            XCTAssertAllEqual(andWhere, whereClause1 && whereClause2 && whereClause3)
        }
        do {
            let andWhere = whereClause1 && whereClause2 && whereClause3
            let noneWhere: Where<NSManagedObject>? = nil
            let someWhere: Where<NSManagedObject>? = Where<NSManagedObject>("key4", isEqualTo: "value4")
            let finalNoneWhere = andWhere &&? noneWhere
            let finalSomeWhere = andWhere &&? someWhere
            let unwrappedFinalSomeWhere = andWhere && someWhere!
            XCTAssertAllEqual(andWhere.predicate, finalNoneWhere.predicate)
            XCTAssertAllEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
        }
        do {
            let orWhere = whereClause1 || whereClause2 || whereClause3
            let orPredicate = NSCompoundPredicate(
                type: .or,
                subpredicates: [
                    NSCompoundPredicate(
                        type: .or,
                        subpredicates: [whereClause1.predicate, whereClause2.predicate]
                    ),
                    whereClause3.predicate
                ]
            )
            XCTAssertAllEqual(orWhere.predicate, orPredicate)
            XCTAssertAllEqual(orWhere, whereClause1 || whereClause2 || whereClause3)
        }
        do {
            let orWhere = whereClause1 || whereClause2 || whereClause3
            let noneWhere: Where<NSManagedObject>? = nil
            let someWhere: Where<NSManagedObject>? = Where<NSManagedObject>("key4", isEqualTo: "value4")
            let finalNoneWhere = orWhere &&? noneWhere
            let finalSomeWhere = orWhere &&? someWhere
            let unwrappedFinalSomeWhere = orWhere && someWhere!
            XCTAssertAllEqual(orWhere.predicate, finalNoneWhere.predicate)
            XCTAssertAllEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
        }
    }
    @objc
    dynamic func test_ThatWhereClauses_ApplyToFetchRequestsCorrectly() {
        let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
        let request = Internals.CoreStoreFetchRequest<NSFetchRequestResult>()
        whereClause.applyToFetchRequest(request)
        XCTAssertNotNil(request.predicate)
        XCTAssertAllEqual(request.predicate, whereClause.predicate)
    }
 }
@@ -0,0 +1,78 @@
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 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
 	<string>$(PRODUCT_NAME)</string>
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
 	<string>1.0</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>
 		<false/>
 		<key>UISceneConfigurations</key>
 		<dict>
 			<key>UIWindowSceneSessionRoleApplication</key>
 			<array>
 				<dict>
 					<key>UISceneConfigurationName</key>
 					<string>Default Configuration</string>
 					<key>UISceneDelegateClassName</key>
 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
 				</dict>
 			</array>
 		</dict>
 	</dict>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>
 	<array>
 		<string>armv7</string>
 	</array>
 	<key>UIStatusBarTintParameters</key>
 	<dict>
 		<key>UINavigationBar</key>
 		<dict>
 			<key>Style</key>
 			<string>UIBarStyleDefault</string>
 			<key>Translucent</key>
 			<false/>
 		</dict>
 	</dict>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 </dict>
 </plist>
@@ -0,0 +1,42 @@
 # coding: utf-8
 task :format do
    require 'xcodeproj'
    require 'fileutils'
    project_path = 'Demo.xcodeproj'
    ignore_targets = []
    # http://www.rubydoc.info/github/CocoaPods/Xcodeproj
    project = Xcodeproj::Project.open(project_path)
    validTargets = project.targets.select { |target| target.respond_to?(:product_type) }
    validTargets.each do |target|
        if ignore_targets.include?(target.display_name)
            next
        end
        case target.product_type
        when 'com.apple.product-type.application', 'com.apple.product-type.framework'
            target.source_build_phase.files.sort! do |f1, f2|
                result = (f1.display_name.count "+") <=> (f2.display_name.count "+")
                if result != 0
                    next -result
                end
                result = (f1.display_name.count "-") <=> (f2.display_name.count "-")
                if result != 0
                    next -result
                end
                result = (f1.display_name.count ".") <=> (f2.display_name.count ".")
                if result != 0
                    next result
                end
                (f1.display_name <=> f2.display_name)
            end
        end
    end
    project.save()
 end
@@ -0,0 +1,60 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="16097.2" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
    <device id="retina6_1" orientation="portrait" appearance="light"/>
    <dependencies>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
        <!--View Controller-->
        <scene sceneID="EHf-IW-A2E">
            <objects>
                <viewController interfaceStyle="dark" id="01J-lp-oVM" sceneMemberID="viewController">
                    <view key="view" contentMode="scaleToFill" id="Bp2-lt-3DL">
                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <subviews>
                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2020 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="Yn3-8H-uzI">
                                <rect key="frame" x="20" y="827" width="374" height="21"/>
                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                <nil key="textColor"/>
                                <nil key="highlightedColor"/>
                            </label>
                            <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="CoreStoreIcon" translatesAutoresizingMaskIntoConstraints="NO" id="IrK-8p-pit">
                                <rect key="frame" x="122" y="228.5" width="170" height="170"/>
                                <constraints>
                                    <constraint firstAttribute="width" secondItem="IrK-8p-pit" secondAttribute="height" multiplier="1:1" id="WaM-8F-33r"/>
                                    <constraint firstAttribute="width" constant="170" id="dlo-1N-ikz"/>
                                </constraints>
                            </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="8Vu-0U-3hd">
                                <rect key="frame" x="20" y="418.5" width="374" height="57.5"/>
                                <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="50"/>
                                <nil key="textColor"/>
                                <nil key="highlightedColor"/>
                            </label>
                        </subviews>
                        <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
                        <constraints>
                            <constraint firstItem="Yn3-8H-uzI" firstAttribute="leading" secondItem="Bp2-lt-3DL" secondAttribute="leading" constant="20" symbolic="YES" id="7Dq-xP-k2v"/>
                            <constraint firstItem="IrK-8p-pit" firstAttribute="centerY" secondItem="Bp2-lt-3DL" secondAttribute="centerY" multiplier="0.7" id="HUz-XL-l27"/>
                            <constraint firstItem="IrK-8p-pit" firstAttribute="centerX" secondItem="Bp2-lt-3DL" secondAttribute="centerX" id="TSf-yM-hl1"/>
                            <constraint firstAttribute="centerX" secondItem="8Vu-0U-3hd" secondAttribute="centerX" id="TX2-HT-cKs"/>
                            <constraint firstItem="Z3i-EZ-UGs" firstAttribute="bottom" secondItem="Yn3-8H-uzI" secondAttribute="bottom" constant="14" id="hAb-SJ-Qnm"/>
                            <constraint firstAttribute="centerX" secondItem="Yn3-8H-uzI" secondAttribute="centerX" id="pNf-eo-RXZ"/>
                            <constraint firstItem="8Vu-0U-3hd" firstAttribute="leading" secondItem="Bp2-lt-3DL" secondAttribute="leading" constant="20" symbolic="YES" id="pef-yD-C5e"/>
                            <constraint firstItem="8Vu-0U-3hd" firstAttribute="top" secondItem="IrK-8p-pit" secondAttribute="bottom" constant="20" id="xQP-tq-hNL"/>
                        </constraints>
                        <viewLayoutGuide key="safeArea" id="Z3i-EZ-UGs"/>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
            </objects>
            <point key="canvasLocation" x="53" y="375"/>
        </scene>
    </scenes>
    <resources>
        <image name="CoreStoreIcon" width="170" height="170"/>
    </resources>
 </document>
@@ -0,0 +1,115 @@
 {
  "images" : [
    {
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "20x20"
    },
    {
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "20x20"
    },
    {
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "29x29"
    },
    {
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "29x29"
    },
    {
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "40x40"
    },
    {
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "40x40"
    },
    {
      "filename" : "Icon-60@2x.png",
      "idiom" : "iphone",
      "scale" : "2x",
      "size" : "60x60"
    },
    {
      "filename" : "Icon-60@3x-1.png",
      "idiom" : "iphone",
      "scale" : "3x",
      "size" : "60x60"
    },
    {
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "20x20"
    },
    {
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "20x20"
    },
    {
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "29x29"
    },
    {
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "29x29"
    },
    {
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "40x40"
    },
    {
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "40x40"
    },
    {
      "filename" : "Icon-76.png",
      "idiom" : "ipad",
      "scale" : "1x",
      "size" : "76x76"
    },
    {
      "filename" : "Icon-76@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "76x76"
    },
    {
      "filename" : "Icon-83.5@2x.png",
      "idiom" : "ipad",
      "scale" : "2x",
      "size" : "83.5x83.5"
    },
    {
      "filename" : "Mask + Oval 1 + Oval 1 + Oval 1.png",
      "idiom" : "ios-marketing",
      "scale" : "1x",
      "size" : "1024x1024"
    },
    {
      "idiom" : "car",
      "scale" : "2x",
      "size" : "60x60"
    },
    {
      "filename" : "Icon-60@3x.png",
      "idiom" : "car",
      "scale" : "3x",
      "size" : "60x60"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
 }
@@ -0,0 +1,6 @@
 {
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
 }
@@ -0,0 +1,15 @@
 {
  "images" : [
    {
      "filename" : "CoreStoreIcon.pdf",
      "idiom" : "universal"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  },
  "properties" : {
    "template-rendering-intent" : "original"
  }
 }
@@ -0,0 +1,6 @@
 {
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
 }
@@ -0,0 +1,33 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import UIKit
 // MARK: - AppDelegate
@UIApplicationMain
@objc final class AppDelegate: UIResponder, UIApplicationDelegate {
    // MARK: UIApplicationDelegate
    @objc dynamic func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
    ) -> Bool {
        return true
    }
    @objc dynamic func application(
        _ application: UIApplication,
        configurationForConnecting connectingSceneSession: UISceneSession,
        options: UIScene.ConnectionOptions
    ) -> UISceneConfiguration {
        return UISceneConfiguration(
            name: "Default Configuration",
            sessionRole: connectingSceneSession.role
        )
    }
 }
@@ -0,0 +1,69 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import Foundation
 import UIKit
 import Combine
 // MARK: - ImageDownloader
 final class ImageDownloader: ObservableObject {
    // MARK: FilePrivate
    private(set) var image: UIImage?
    let url: URL?
    init(url: URL?) {
        self.url = url
        guard let url = url else {
            return
        }
        if let image = Self.cache[url] {
            self.image = image
        }
    }
    func fetchImage(completion: @escaping (UIImage) -> Void = { _ in }) {
        guard let url = url else {
            return
        }
        if let image = Self.cache[url] {
            self.objectWillChange.send()
            self.image = image
            completion(image)
            return
        }
        self.cancellable = URLSession.shared
            .dataTaskPublisher(for: url)
            .receive(on: DispatchQueue.main)
            .sink(
                receiveCompletion: { _ in },
                receiveValue: { output in
                    if let image = UIImage(data: output.data) {
                        Self.cache[url] = image
                        self.objectWillChange.send()
                        self.image = image
                        completion(image)
                    }
                }
            )
    }
    // MARK: Private
    private static var cache: [URL: UIImage] = [:]
    private var cancellable: AnyCancellable?
 }
@@ -0,0 +1,58 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 // MARK: - InstructionsView
 struct InstructionsView: View {
    // MARK: Internal
    init(_ rows: (header: String, description: String)...) {
        self.rows = rows.map({ .init(header: $0, description: $1) })
    }
    // MARK: View
    var body: some View {
        ZStack(alignment: .center) {
            Color.white
                .cornerRadius(10)
                .shadow(color: Color(.sRGB, white: 0.5, opacity: 0.3), radius: 2, x: 1, y: 1)
            VStack(alignment: .leading, spacing: 3) {
                ForEach(self.rows, id: \.header) { row in
                    HStack(alignment: .firstTextBaseline, spacing: 5) {
                        Text(row.header)
                            .font(.callout)
                            .fontWeight(.bold)
                        Text(row.description)
                            .font(.footnote)
                    }
                }
            }
            .foregroundColor(Color(.sRGB, white: 0, opacity: 0.8))
            .padding(.horizontal, 10)
            .padding(.vertical, 4)
        }
        .fixedSize()
    }
    // MARK: Private
    private let rows: [InstructionsView.Row]
    // MARK: - Row
    struct Row: Hashable {
        // MARK: Internal
        let header: String
        let description: String
    }
 }
@@ -0,0 +1,29 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 // MARK: - LazyView
 struct LazyView<Content: View>: View {
    // MARK: Internal
    init(_ load: @escaping () -> Content) {
        self.load = load
    }
    // MARK: View
    var body: Content {
        self.load()
    }
    // MARK: Private
    private let load: () -> Content
 }
@@ -0,0 +1,71 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 // MARK: - Menu
 extension Menu {
    // MARK: - Menu.ItemView
    struct ItemView<Destination: View>: View {
        // MARK: Internal
        init(
            title: String,
            subtitle: String? = nil,
            destination: @escaping () -> Destination
        ) {
            self.title = title
            self.subtitle = subtitle
            self.destination = destination
        }
        // MARK: View
        var body: some View {
            NavigationLink(destination: LazyView(self.destination)) {
                VStack(alignment: .leading) {
                    Text(self.title)
                        .font(.headline)
                        .foregroundColor(.primary)
                    self.subtitle.map {
                        Text($0)
                            .font(.subheadline)
                            .foregroundColor(.secondary)
                    }
                }
            }
        }
        // MARK: FilePrivate
        fileprivate let title: String
        fileprivate let subtitle: String?
        fileprivate let destination: () -> Destination
    }
 }
 #if DEBUG
 struct _Demo_Menu_ItemView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        Menu.ItemView(
            title: "Item Title",
            subtitle: "A subtitle caption for this item",
            destination: {
                Color.blue
            }
        )
    }
 }
 #endif
@@ -0,0 +1,132 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import Foundation
 import SwiftUI
 // MARK: - Menu
 extension Menu {
    // MARK: - Menu.MainView
    struct MainView: View {
        // MARK: View
        var body: some View {
            NavigationView {
                List {
                    Section(header: Text("Modern (CoreStoreObject subclasses)")) {
                        Menu.ItemView(
                            title: "Placemarks",
                            subtitle: "Making changes using Transactions",
                            destination: {
                                Modern.PlacemarksDemo.MainView()
                            }
                        )
                        Menu.ItemView(
                            title: "Time Zones",
                            subtitle: "Fetching objects and Querying raw values",
                            destination: {
                                Modern.TimeZonesDemo.MainView()
                            }
                        )
                        Menu.ItemView(
                            title: "Colors (UIKit)",
                            subtitle: "Observing list changes and single-object changes using DiffableDataSources",
                            destination: {
                                Modern.ColorsDemo.MainView(
                                    listView: { listPublisher, onPaletteTapped in
                                        Modern.ColorsDemo.UIKit.ListView(
                                            listPublisher: listPublisher,
                                            onPaletteTapped: onPaletteTapped
                                        )
                                        .edgesIgnoringSafeArea(.all)
                                    },
                                    detailView: { objectPublisher in
                                        Modern.ColorsDemo.UIKit.DetailView(objectPublisher)
                                    }
                                )
                            }
                        )
                        Menu.ItemView(
                            title: "Colors (SwiftUI)",
                            subtitle: "Observing list changes and single-object changes using SwiftUI bindings",
                            destination: {
                                Modern.ColorsDemo.MainView(
                                    listView: { listPublisher, onPaletteTapped in
                                        Modern.ColorsDemo.SwiftUI.ListView(
                                            listPublisher: listPublisher,
                                            onPaletteTapped: onPaletteTapped
                                        )
                                    },
                                    detailView: { objectPublisher in
                                        Modern.ColorsDemo.SwiftUI.DetailView(objectPublisher)
                                    }
                                )
                            }
                        )
                        Menu.ItemView(
                            title: "Pokedex API",
                            subtitle: "Importing JSON data from external source",
                            destination: {
                                Modern.PokedexDemo.MainView()
                            }
                        )
                    }
                    Section(header: Text("Classic (NSManagedObject subclasses)")) {
                        Menu.ItemView(
                            title: "Colors",
                            subtitle: "Observing list changes and single-object changes using ListMonitor",
                            destination: {
                                Classic.ColorsDemo.MainView()
                            }
                        )
                    }
                    Section(header: Text("Advanced")) {
                        Menu.ItemView(
                            title: "Accounts",
                            subtitle: "Switching between multiple persistent stores",
                            destination: { EmptyView() }
                        )
                        .disabled(true)
                        Menu.ItemView(
                            title: "Evolution",
                            subtitle: "Migrating and reverse-migrating stores",
                            destination: {
                                Advanced.EvolutionDemo.MainView()
                            }
                        )
                        Menu.ItemView(
                            title: "Logger",
                            subtitle: "Implementing a custom logger",
                            destination: { EmptyView() }
                        )
                        .disabled(true)
                    }
                }
                .listStyle(GroupedListStyle())
                .navigationBarTitle("CoreStore Demos")
                Menu.PlaceholderView()
            }
            .navigationViewStyle(DoubleColumnNavigationViewStyle())
        }
    }
 }
 #if DEBUG
 struct _Demo_Menu_MainView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        Menu.MainView()
    }
 }
 #endif
@@ -0,0 +1,44 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import Combine
 import CoreStore
 import SwiftUI
 // MARK: - Menu
 extension Menu {
    // MARK: - Menu.PlaceholderView
    struct PlaceholderView: UIViewControllerRepresentable {
        // MARK: UIViewControllerRepresentable
        typealias UIViewControllerType = UIViewController
        func makeUIViewController(context: Self.Context) -> UIViewControllerType {
            return UIStoryboard(name: "LaunchScreen", bundle: nil).instantiateInitialViewController()!
        }
        func updateUIViewController(_ uiViewController: UIViewControllerType, context: Self.Context) {}
        static func dismantleUIViewController(_ uiViewController: UIViewControllerType, coordinator: Void) {}
    }
 }
 #if DEBUG
 struct _Demo_Menu_PlaceholderView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        return Menu.PlaceholderView()
    }
 }
 #endif
@@ -0,0 +1,10 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import Foundation
 // MARK: - Menu
 enum Menu {}
@@ -0,0 +1,36 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 import UIKit
 // MARK: - SceneDelegate
@objc final class SceneDelegate: UIResponder, UIWindowSceneDelegate {
    // MARK: UIWindowSceneDelegate
    @objc dynamic var window: UIWindow?
    // MARK: UISceneDelegate
    @objc dynamic func scene(
        _ scene: UIScene,
        willConnectTo session: UISceneSession,
        options connectionOptions: UIScene.ConnectionOptions
    ) {
        guard case let scene as UIWindowScene = scene else {
            return
        }
        let window = UIWindow(windowScene: scene)
        window.rootViewController = UIHostingController(
            rootView: Menu.MainView()
        )
        self.window = window
        window.makeKeyAndVisible()
    }
 }
@@ -0,0 +1,10 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 // MARK: - Advanced
 /**
 Sample application of complex use cases
 */
 enum Advanced {}
@@ -0,0 +1,30 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 import Foundation
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    typealias CreatureType = Advanced_EvolutionDemo_CreatureType
 }
 // MARK: - Advanced.EvolutionDemo.CreatureType
 protocol Advanced_EvolutionDemo_CreatureType: DynamicObject, CustomStringConvertible {
    var dnaCode: Int64 { get set }
    static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource
    static func count(in transaction: BaseDataTransaction) throws -> Int
    static func create(in transaction: BaseDataTransaction) -> Self
    func mutate(in transaction: BaseDataTransaction)
 }
@@ -0,0 +1,168 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 import Combine
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.CreaturesDataSource
    /**
     A type-erasing adapter to support different `ListPublisher` types
     */
    final class CreaturesDataSource: ObservableObject {
        // MARK: Internal
        init<T: NSManagedObject & Advanced.EvolutionDemo.CreatureType>(
            listPublisher: ListPublisher<T>,
            dataStack: DataStack
        ) {
            self.numberOfItems = {
                listPublisher.snapshot.numberOfItems
            }
            self.itemDescriptionAtIndex = { index in
                listPublisher.snapshot[index].object?.description
            }
            self.addItems = { count in
                dataStack.perform(
                    asynchronous: { transaction in
                        let nextDNACode = try transaction.fetchCount(From<T>())
                        for offset in 0 ..< count {
                            let object = transaction.create(Into<T>())
                            object.dnaCode = .init(nextDNACode + offset)
                            object.mutate(in: transaction)
                        }
                    },
                    completion: { _ in }
                )
            }
            self.mutateItemAtIndex = { index in
                let object = listPublisher.snapshot[index]
                dataStack.perform(
                    asynchronous: { transaction in
                        object
                            .asEditable(in: transaction)?
                            .mutate(in: transaction)
                    },
                    completion: { _ in }
                )
            }
            self.deleteAllItems = {
                dataStack.perform(
                    asynchronous: { transaction in
                        try transaction.deleteAll(From<T>())
                    },
                    completion: { _ in }
                )
            }
            listPublisher.addObserver(self) { [weak self] (listPublisher) in
                self?.objectWillChange.send()
            }
        }
        init<T: CoreStoreObject & Advanced.EvolutionDemo.CreatureType>(
            listPublisher: ListPublisher<T>,
            dataStack: DataStack
        ) {
            self.numberOfItems = {
                listPublisher.snapshot.numberOfItems
            }
            self.itemDescriptionAtIndex = { index in
                listPublisher.snapshot[index].object?.description
            }
            self.addItems = { count in
                dataStack.perform(
                    asynchronous: { transaction in
                        let nextDNACode = try transaction.fetchCount(From<T>())
                        for offset in 0 ..< count {
                            let object = transaction.create(Into<T>())
                            object.dnaCode = .init(nextDNACode + offset)
                            object.mutate(in: transaction)
                        }
                    },
                    completion: { _ in }
                )
            }
            self.mutateItemAtIndex = { index in
                let object = listPublisher.snapshot[index]
                dataStack.perform(
                    asynchronous: { transaction in
                        object
                            .asEditable(in: transaction)?
                            .mutate(in: transaction)
                    },
                    completion: { _ in }
                )
            }
            self.deleteAllItems = {
                dataStack.perform(
                    asynchronous: { transaction in
                        try transaction.deleteAll(From<T>())
                    },
                    completion: { _ in }
                )
            }
            listPublisher.addObserver(self) { [weak self] (listPublisher) in
                self?.objectWillChange.send()
            }
        }
        func numberOfCreatures() -> Int {
            return self.numberOfItems()
        }
        func creatureDescription(at index: Int) -> String? {
            return self.itemDescriptionAtIndex(index)
        }
        func mutate(at index: Int) {
            self.mutateItemAtIndex(index)
        }
        func add(count: Int) {
            self.addItems(count)
        }
        func clear() {
            self.deleteAllItems()
        }
        // MARK: Private
        private let numberOfItems: () -> Int
        private let itemDescriptionAtIndex: (Int) -> String?
        private let mutateItemAtIndex: (Int) -> Void
        private let addItems: (Int) -> Void
        private let deleteAllItems: () -> Void
    }
 }
@@ -0,0 +1,99 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 // MARK: - AdvancedEvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - GeologicalPeriod
    enum GeologicalPeriod: RawRepresentable, CaseIterable, Hashable, CustomStringConvertible {
        // MARK: Internal
        case ageOfInvertebrates
        case ageOfFishes
        case ageOfReptiles
        case ageOfMammals
        var version: ModelVersion {
            return self.rawValue
        }
        var creatureType: Advanced.EvolutionDemo.CreatureType.Type {
            switch self {
            case .ageOfInvertebrates:
                return Advanced.EvolutionDemo.V1.Creature.self
            case .ageOfFishes:
                return Advanced.EvolutionDemo.V2.Creature.self
            case .ageOfReptiles:
                return Advanced.EvolutionDemo.V3.Creature.self
            case .ageOfMammals:
                return Advanced.EvolutionDemo.V4.Creature.self
            }
        }
        // MARK: CustomStringConvertible
        var description: String {
            switch self {
            case .ageOfInvertebrates:
                return "Invertebrates"
            case .ageOfFishes:
                return "Fishes"
            case .ageOfReptiles:
                return "Reptiles"
            case .ageOfMammals:
                return "Mammals"
            }
        }
        // MARK: RawRepresentable
        typealias RawValue = ModelVersion
        var rawValue: ModelVersion {
            switch self {
            case .ageOfInvertebrates:
                return Advanced.EvolutionDemo.V1.name
            case .ageOfFishes:
                return Advanced.EvolutionDemo.V2.name
            case .ageOfReptiles:
                return Advanced.EvolutionDemo.V3.name
            case .ageOfMammals:
                return Advanced.EvolutionDemo.V4.name
            }
        }
        init?(rawValue: ModelVersion) {
            switch rawValue {
            case Advanced.EvolutionDemo.V1.name:
                self = .ageOfInvertebrates
            case Advanced.EvolutionDemo.V2.name:
                self = .ageOfFishes
            case Advanced.EvolutionDemo.V3.name:
                self = .ageOfReptiles
            case Advanced.EvolutionDemo.V4.name:
                self = .ageOfMammals
            default:
                return nil
            }
        }
    }
 }
@@ -0,0 +1,75 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.ItemView
    struct ItemView: View {
        // MARK: Internal
        init(description: String?, mutate: @escaping () -> Void) {
            self.description = description
            self.mutate = mutate
        }
        // MARK: View
        var body: some View {
            HStack {
                Text(self.description ?? "")
                    .font(.footnote)
                    .foregroundColor(.primary)
                Spacer()
                Button(
                    action: self.mutate,
                    label: {
                        Text("Mutate")
                            .foregroundColor(.accentColor)
                            .fontWeight(.bold)
                    }
                )
                .buttonStyle(PlainButtonStyle())
            }
            .disabled(self.description == nil)
        }
        // MARK: FilePrivate
        fileprivate let description: String?
        fileprivate let mutate: () -> Void
    }
 }
 #if DEBUG
 struct _Demo_Advanced_EvolutionDemo_ItemView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        Advanced.EvolutionDemo.ItemView(
            description: """
                dnaCode: 123
                numberOfLimbs: 4
                hasVertebrae: true
                hasHead: true
                hasTail: true
                habitat: land
                hasWings: false
                """,
            mutate: {}
        )
    }
 }
 #endif
@@ -0,0 +1,99 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 import SwiftUI
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.ListView
    struct ListView: View {
        // MARK: View
        var body: some View {
            let dataSource = self.dataSource
            return List {
                ForEach(0 ..< dataSource.numberOfCreatures(), id: \.self) { (index) in
                    Advanced.EvolutionDemo.ItemView(
                        description: dataSource.creatureDescription(at: index),
                        mutate: {
                            dataSource.mutate(at: index)
                        }
                    )
                }
            }
            .listStyle(PlainListStyle())
        }
        // MARK: Internal
        init(
            period: Advanced.EvolutionDemo.GeologicalPeriod,
            dataStack: DataStack,
            dataSource: Advanced.EvolutionDemo.CreaturesDataSource
        ) {
            self.period = period
            self.dataStack = dataStack
            self.dataSource = dataSource
        }
        // MARK: Private
        private let period: Advanced.EvolutionDemo.GeologicalPeriod
        private let dataStack: DataStack
        @ObservedObject
        private var dataSource: Advanced.EvolutionDemo.CreaturesDataSource
    }
 }
 #if DEBUG
 struct _Demo_Advanced_EvolutionDemo_ListView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        let dataStack = DataStack(
            CoreStoreSchema(
                modelVersion: Advanced.EvolutionDemo.V4.name,
                entities: [
                    Entity<Advanced.EvolutionDemo.V4.Creature>("Creature")
                ]
            )
        )
        try! dataStack.addStorageAndWait(
            SQLiteStore(fileName: "Advanced.EvolutionDemo.ListView.Preview.sqlite")
        )
        try! dataStack.perform(
            synchronous: { transaction in
                for dnaCode in 0 ..< 10 as Range<Int64> {
                    let object = transaction.create(Into<Advanced.EvolutionDemo.V4.Creature>())
                    object.dnaCode = dnaCode
                    object.mutate(in: transaction)
                }
            }
        )
        return Advanced.EvolutionDemo.ListView(
            period: .ageOfMammals,
            dataStack: dataStack,
            dataSource: Advanced.EvolutionDemo.V4.Creature.dataSource(in: dataStack)
        )
    }
 }
 #endif
@@ -0,0 +1,78 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 import SwiftUI
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.MainView
    struct MainView: View {
        // MARK: View
        var body: some View {
            let migrator = self.migrator
            let listView: AnyView
            if let current = migrator.current {
                listView = AnyView(
                    Advanced.EvolutionDemo.ListView(
                        period: current.period,
                        dataStack: current.dataStack,
                        dataSource: current.dataSource
                    )
                )
            }
            else {
                listView = AnyView(
                    Advanced.EvolutionDemo.ProgressView(progress: migrator.progress)
                )
            }
            return VStack(spacing: 0) {
                    HStack(alignment: .center, spacing: 0) {
                        Text("Age of")
                            .padding(.trailing)
                        Picker(selection: self.$migrator.currentPeriod, label: EmptyView()) {
                            ForEach(Advanced.EvolutionDemo.GeologicalPeriod.allCases, id: \.self) { period in
                                Text(period.description).tag(period)
                            }
                        }
                        .pickerStyle(SegmentedPickerStyle())
                    }
                    .padding()
                    listView
                        .edgesIgnoringSafeArea(.vertical)
                }
                .navigationBarTitle("Evolution")
                .disabled(migrator.isBusy || migrator.current == nil)
        }
        // MARK: Private
        @ObservedObject
        private var migrator: Advanced.EvolutionDemo.Migrator = .init()
    }
 }
 #if DEBUG
 struct _Demo_Advanced_EvolutionDemo_MainView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        Advanced.EvolutionDemo.MainView()
    }
 }
 #endif
@@ -0,0 +1,127 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import SwiftUI
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.ProgressView
    struct ProgressView: View {
        // MARK: Internal
        init(progress: Progress?) {
            self.progressObserver = .init(progress)
        }
        // MARK: View
        var body: some View {
            guard self.progressObserver.isMigrating else {
                return AnyView(
                    VStack(alignment: .center) {
                        Text("Preparing creatures...")
                            .padding()
                        Spacer()
                    }
                    .padding()
                )
            }
            return AnyView(
                VStack(alignment: .leading) {
                    Text("Migrating: \(self.progressObserver.localizedDescription)")
                        .font(.headline)
                        .padding([.top, .horizontal])
                    Text("Progressive step: \(self.progressObserver.localizedAdditionalDescription)")
                        .font(.subheadline)
                        .padding(.horizontal)
                    GeometryReader { geometry in
                        ZStack(alignment: .leading) {
                            Color.gray
                                .opacity(0.2)
                                .frame(width: geometry.size.width, height: 8)
                                .cornerRadius(4.0)
                            Color.blue
                                .frame(
                                    width: geometry.size.width
                                        * self.progressObserver.fractionCompleted,
                                    height: 8
                                )
                                .cornerRadius(4.0)
                        }
                    }
                    .fixedSize(horizontal: false, vertical: true)
                    .padding()
                    Spacer()
                }
                .padding()
            )
        }
        // MARK: FilePrivate
        @ObservedObject
        private var progressObserver: ProgressObserver
        // MARK: - ProgressObserver
        fileprivate final class ProgressObserver: ObservableObject {
            private(set) var fractionCompleted: CGFloat = 0
            private(set) var localizedDescription: String = ""
            private(set) var localizedAdditionalDescription: String = ""
            var isMigrating: Bool {
                return self.progress != nil
            }
            init(_ progress: Progress?) {
                self.progress = progress
                progress?.setProgressHandler { [weak self] (progess) in
                    guard let self = self else {
                        return
                    }
                    self.objectWillChange.send()
                    self.fractionCompleted = CGFloat(progress?.fractionCompleted ?? 0)
                    self.localizedDescription = progress?.localizedDescription ?? ""
                    self.localizedAdditionalDescription = progress?.localizedAdditionalDescription ?? ""
                }
            }
            // MARK: Private
            private let progress: Progress?
        }
    }
 }
 #if DEBUG
 struct _Demo_Advanced_EvolutionDemo_ProgressView_Preview: PreviewProvider {
    // MARK: PreviewProvider
    static var previews: some View {
        let progress = Progress(totalUnitCount: 10)
        progress.completedUnitCount = 3
        return Advanced.EvolutionDemo.ProgressView(
            progress: progress
        )
    }
 }
 #endif
@@ -0,0 +1,63 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import UIKit
 import CoreStore
 // MARK: - Advanced.EvolutionDemo.V1.Creature
@objc(Advanced_EvolutionDemo_V1_Creature)
 final class Advanced_EvolutionDemo_V1_Creature: NSManagedObject, Advanced.EvolutionDemo.CreatureType {
    @NSManaged
    dynamic var dnaCode: Int64
    @NSManaged
    dynamic var numberOfFlagella: Int32
    // MARK: CustomStringConvertible
    override var description: String {
        return """
            dnaCode: \(self.dnaCode)
            numberOfFlagella: \(self.numberOfFlagella)
            """
    }
    // MARK: Advanced.EvolutionDemo.CreatureType
    static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
        return .init(
            listPublisher: dataStack.publishList(
                From<Advanced.EvolutionDemo.V1.Creature>()
                    .orderBy(.descending(\.dnaCode))
            ),
            dataStack: dataStack
        )
    }
    static func count(in transaction: BaseDataTransaction) throws -> Int {
        return try transaction.fetchCount(
            From<Advanced.EvolutionDemo.V1.Creature>()
        )
    }
    static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V1.Creature {
        return transaction.create(
            Into<Advanced.EvolutionDemo.V1.Creature>()
        )
    }
    func mutate(in transaction: BaseDataTransaction) {
        self.numberOfFlagella = .random(in: 1...200)
    }
 }
@@ -0,0 +1,27 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 // MARK: - Advanced.EvolutionDemo.V1
 extension Advanced.EvolutionDemo.V1 {
    // MARK: - Advanced.EvolutionDemo.V1.FromV2
    enum FromV2 {
        // MARK: Internal
        static var mapping: XcodeSchemaMappingProvider {
            return XcodeSchemaMappingProvider(
                from: Advanced.EvolutionDemo.V2.name,
                to: Advanced.EvolutionDemo.V1.name,
                mappingModelBundle: Bundle(for: Advanced.EvolutionDemo.V1.Creature.self)
            )
        }
    }
 }
@@ -0,0 +1,25 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import CoreStore
 // MARK: - Advanced.EvolutionDemo
 extension Advanced.EvolutionDemo {
    // MARK: - Advanced.EvolutionDemo.V1
    /**
    Namespace for V1 models (`Advanced.EvolutionDemo.GeologicalPeriod.ageOfInvertebrates`)
    */
    enum V1 {
        // MARK: Internal
        static let name: ModelVersion = "Advanced.EvolutionDemo.V1"
        typealias Creature = Advanced_EvolutionDemo_V1_Creature
    }
 }
@@ -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>_XCCurrentVersionName</key>
 	<string>Advanced.EvolutionDemo.V1.xcdatamodel</string>
 </dict>
 </plist>
@@ -0,0 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="16119" systemVersion="19F101" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
    <entity name="Creature" representedClassName="Advanced_EvolutionDemo_V1_Creature" syncable="YES">
        <attribute name="dnaCode" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
        <attribute name="numberOfFlagella" attributeType="Integer 32" defaultValueString="2" usesScalarValueType="YES"/>
    </entity>
    <elements>
        <element name="Creature" positionX="-27" positionY="18" width="128" height="73"/>
    </elements>
 </model>
@@ -0,0 +1,13 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="16119" systemVersion="19F101" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
    <entity name="Creature" representedClassName="Advanced_EvolutionDemo_V2_Creature" syncable="YES">
        <attribute name="dnaCode" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
        <attribute name="hasHead" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES"/>
        <attribute name="hasTail" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES"/>
        <attribute name="hasVertebrae" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES"/>
        <attribute name="numberOfFlippers" attributeType="Integer 32" defaultValueString="2" usesScalarValueType="YES"/>
    </entity>
    <elements>
        <element name="Creature" positionX="-9" positionY="36" width="128" height="118"/>
    </elements>
 </model>
@@ -0,0 +1,78 @@
 //
 // Demo
 // Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
 import UIKit
 import CoreStore
 // MARK: - Advanced.EvolutionDemo.V2.Creature
@objc(Advanced_EvolutionDemo_V2_Creature)
 final class Advanced_EvolutionDemo_V2_Creature: NSManagedObject, Advanced.EvolutionDemo.CreatureType {
    @NSManaged
    dynamic var dnaCode: Int64
    @NSManaged
    dynamic var numberOfFlippers: Int32
    @NSManaged
    dynamic var hasVertebrae: Bool
    @NSManaged
    dynamic var hasHead: Bool
    @NSManaged
    dynamic var hasTail: Bool
    // MARK: CustomStringConvertible
    override var description: String {
        return """
            dnaCode: \(self.dnaCode)
            numberOfFlippers: \(self.numberOfFlippers)
            hasVertebrae: \(self.hasVertebrae)
            hasHead: \(self.hasHead)
            hasTail: \(self.hasTail)
            """
    }
    // MARK: Advanced.EvolutionDemo.CreatureType
    static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
        return .init(
            listPublisher: dataStack.publishList(
                From<Advanced.EvolutionDemo.V2.Creature>()
                    .orderBy(.descending(\.dnaCode))
            ),
            dataStack: dataStack
        )
    }
    static func count(in transaction: BaseDataTransaction) throws -> Int {
        return try transaction.fetchCount(
            From<Advanced.EvolutionDemo.V2.Creature>()
        )
    }
    static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V2.Creature {
        return transaction.create(
            Into<Advanced.EvolutionDemo.V2.Creature>()
        )
    }
    func mutate(in transaction: BaseDataTransaction) {
        self.numberOfFlippers = .random(in: 1...4) * 2
        self.hasVertebrae = .random()
        self.hasHead = true
        self.hasTail = .random()
    }
 }
--- a/Show More
+++ b/Show More
		`@@ -0,0 +1,3 @@`
							`# These are supported funding model platforms`

							`github: [JohnEstropia]`