WIP: documentation and unit tests

CoreStoreTests/StorageInterfaceTests.swift

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+//
+//  StorageInterfaceTests.swift
+//  CoreStore
+//
+//  Copyright © 2016 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import XCTest
+
+@testable
+import CoreStore
+
+class StorageInterfaceTests: XCTestCase {
+
+    func testDefaultInMemoryStore() {
+        
+        let store = InMemoryStore()
+        expect(store.dynamicType.storeType).to(equal(NSInMemoryStoreType))
+        expect(store.configuration).to(beNil())
+        expect(store.storeOptions).to(beNil())
+    }
+    
+    func testInMemoryStoreConfiguration() {
+        
+        let store = InMemoryStore(configuration: "config1")
+        expect(store.dynamicType.storeType).to(equal(NSInMemoryStoreType))
+        expect(store.configuration).to(equal("config1"))
+        expect(store.storeOptions).to(beNil())
+    }
+    
+    func testSQLiteStoreDefaultDirectories() {
+        
+        #if os(tvOS)
+            let systemDirectorySearchPath = NSSearchPathDirectory.CachesDirectory
+        #else
+            let systemDirectorySearchPath = NSSearchPathDirectory.ApplicationSupportDirectory
+        #endif
+        
+        let defaultSystemDirectory = NSFileManager
+            .defaultManager()
+            .URLsForDirectory(systemDirectorySearchPath, inDomains: .UserDomainMask).first!
+        
+        let defaultRootDirectory = defaultSystemDirectory.URLByAppendingPathComponent(
+            NSBundle.mainBundle().bundleIdentifier ?? "com.CoreStore.DataStack",
+            isDirectory: true
+        )
+        let applicationName = (NSBundle.mainBundle().objectForInfoDictionaryKey("CFBundleName") as? String) ?? "CoreData"
+        
+        let defaultFileURL = defaultRootDirectory
+            .URLByAppendingPathComponent(applicationName, isDirectory: false)
+            .URLByAppendingPathExtension("sqlite")
+        
+        expect(SQLiteStore.defaultRootDirectory).to(equal(defaultRootDirectory))
+        expect(SQLiteStore.defaultFileURL).to(equal(defaultFileURL))
+    }
+    
+    func testDefaultSQLiteStore() {
+        
+        let store = SQLiteStore()
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(beNil())
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL).to(equal(SQLiteStore.defaultFileURL))
+        expect(store.mappingModelBundles).to(equal(NSBundle.allBundles()))
+        expect(store.resetStoreOnModelMismatch).to(beFalse())
+    }
+    
+    func testSQLiteStoreFileURL() {
+        
+        let fileURL = NSURL(fileURLWithPath: NSTemporaryDirectory())
+            .URLByAppendingPathComponent(NSUUID().UUIDString, isDirectory: false)
+            .URLByAppendingPathExtension("db")
+        let bundles = [NSBundle(forClass: self.dynamicType)]
+        
+        let store = SQLiteStore(
+            fileURL: fileURL,
+            configuration: "config1",
+            mappingModelBundles: bundles,
+            resetStoreOnModelMismatch: true
+        )
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(equal("config1"))
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL).to(equal(fileURL))
+        expect(store.mappingModelBundles).to(equal(bundles))
+        expect(store.resetStoreOnModelMismatch).to(beTrue())
+    }
+    
+    func testSQLiteStoreFileName() {
+        
+        let fileName = NSUUID().UUIDString + ".db"
+        let bundles = [NSBundle(forClass: self.dynamicType)]
+        
+        let store = SQLiteStore(
+            fileName: fileName,
+            configuration: "config1",
+            mappingModelBundles: bundles,
+            resetStoreOnModelMismatch: true
+        )
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(equal("config1"))
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL.URLByDeletingLastPathComponent).to(equal(SQLiteStore.defaultRootDirectory))
+        expect(store.fileURL.lastPathComponent).to(equal(fileName))
+        expect(store.mappingModelBundles).to(equal(bundles))
+        expect(store.resetStoreOnModelMismatch).to(beTrue())
+    }
+    
+    func testLegacySQLiteStoreDefaultDirectories() {
+        
+        #if os(tvOS)
+            let systemDirectorySearchPath = NSSearchPathDirectory.CachesDirectory
+        #else
+            let systemDirectorySearchPath = NSSearchPathDirectory.ApplicationSupportDirectory
+        #endif
+        
+        let legacyDefaultRootDirectory = NSFileManager.defaultManager().URLsForDirectory(
+            systemDirectorySearchPath,
+            inDomains: .UserDomainMask
+            ).first!
+        
+        let legacyDefaultFileURL = legacyDefaultRootDirectory
+            .URLByAppendingPathComponent(DataStack.applicationName, isDirectory: false)
+            .URLByAppendingPathExtension("sqlite")
+        
+        expect(LegacySQLiteStore.legacyDefaultRootDirectory).to(equal(legacyDefaultRootDirectory))
+        expect(LegacySQLiteStore.legacyDefaultFileURL).to(equal(legacyDefaultFileURL))
+    }
+    
+    func testDefaultLegacySQLiteStore() {
+        
+        let store = LegacySQLiteStore()
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(beNil())
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL).to(equal(LegacySQLiteStore.legacyDefaultFileURL))
+        expect(store.mappingModelBundles).to(equal(NSBundle.allBundles()))
+        expect(store.resetStoreOnModelMismatch).to(beFalse())
+    }
+    
+    func testLegacySQLiteStoreFileURL() {
+        
+        let fileURL = NSURL(fileURLWithPath: NSTemporaryDirectory())
+            .URLByAppendingPathComponent(NSUUID().UUIDString, isDirectory: false)
+            .URLByAppendingPathExtension("db")
+        let bundles = [NSBundle(forClass: self.dynamicType)]
+        
+        let store = LegacySQLiteStore(
+            fileURL: fileURL,
+            configuration: "config1",
+            mappingModelBundles: bundles,
+            resetStoreOnModelMismatch: true
+        )
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(equal("config1"))
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL).to(equal(fileURL))
+        expect(store.mappingModelBundles).to(equal(bundles))
+        expect(store.resetStoreOnModelMismatch).to(beTrue())
+    }
+    
+    func testLegacySQLiteStoreFileName() {
+        
+        let fileName = NSUUID().UUIDString + ".db"
+        let bundles = [NSBundle(forClass: self.dynamicType)]
+        
+        let store = LegacySQLiteStore(
+            fileName: fileName,
+            configuration: "config1",
+            mappingModelBundles: bundles,
+            resetStoreOnModelMismatch: true
+        )
+        expect(store.dynamicType.storeType).to(equal(NSSQLiteStoreType))
+        expect(store.configuration).to(equal("config1"))
+        expect(store.storeOptions).to(equal([NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary))
+        
+        expect(store.fileURL.URLByDeletingLastPathComponent).to(equal(LegacySQLiteStore.legacyDefaultRootDirectory))
+        expect(store.fileURL.lastPathComponent).to(equal(fileName))
+        expect(store.mappingModelBundles).to(equal(bundles))
+        expect(store.resetStoreOnModelMismatch).to(beTrue())
+    }
+}