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Add unit tests for ObservationToken and StorageObservationRegistry
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2 changes: 1 addition & 1 deletion
2
Source/Shared/Storage/StoreObservable.swift → .../Storage/StorageObservationRegistry.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import XCTest | ||
| @testable import Cache | ||
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| final class ObservationTokenTests: XCTestCase { | ||
| func testCancel() { | ||
| var cancelled = false | ||
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| let token = ObservationToken { | ||
| cancelled = true | ||
| } | ||
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| token.cancel() | ||
| XCTAssertTrue(cancelled) | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
Tests/iOS/Tests/Storage/StorageObservationRegistryTests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| import XCTest | ||
| @testable import Cache | ||
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| final class StorageObservationRegistryTests: XCTestCase { | ||
| private var registry: StorageObservationRegistry<Storage<User>>! | ||
| private var storage: Storage<User>! | ||
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| override func setUp() { | ||
| super.setUp() | ||
| registry = StorageObservationRegistry() | ||
| storage = try! Storage<User>( | ||
| diskConfig: DiskConfig(name: "Thor"), | ||
| memoryConfig: MemoryConfig(), | ||
| transformer: TransformerFactory.forCodable(ofType: User.self) | ||
| ) | ||
| } | ||
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| func testRegister() { | ||
| registry.register { _, _ in } | ||
| XCTAssertEqual(registry.observations.count, 1) | ||
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| registry.register { _, _ in } | ||
| XCTAssertEqual(registry.observations.count, 2) | ||
| } | ||
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| func testDeregister() { | ||
| let token = registry.register { _, _ in } | ||
| XCTAssertEqual(registry.observations.count, 1) | ||
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| registry.deregister(token: token) | ||
| XCTAssertTrue(registry.observations.isEmpty) | ||
| } | ||
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| func testDeregisterAll() { | ||
| registry.register { _, _ in } | ||
| registry.register { _, _ in } | ||
| XCTAssertEqual(registry.observations.count, 2) | ||
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| registry.deregisterAll() | ||
| XCTAssertTrue(registry.observations.isEmpty) | ||
| } | ||
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| func testNotifyObservers() { | ||
| var change1: StorageChange? | ||
| var change2: StorageChange? | ||
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| registry.register { _, change in | ||
| change1 = change | ||
| } | ||
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| registry.register { _, change in | ||
| change2 = change | ||
| } | ||
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| registry.notifyObservers(about: .addition, in: storage) | ||
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| XCTAssertEqual(change1, .addition) | ||
| XCTAssertEqual(change2, .addition) | ||
| } | ||
| } |