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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // | ||
| // DynamicSubjectTests.swift | ||
| // Bond | ||
| // | ||
| // Created by Srdan Rasic on 22/09/2016. | ||
| // Copyright © 2016 Swift Bond. All rights reserved. | ||
| // | ||
|
|
||
| import XCTest | ||
| import ReactiveKit | ||
| @testable import Bond | ||
|
|
||
| private class DummyTarget: NSObject { | ||
| var value: Int = 5 | ||
| var recordedElements: [Int] = [] | ||
| let changes = PublishSubject1<Void>() | ||
| } | ||
|
|
||
| class DynamicSubjectTests: XCTestCase { | ||
|
|
||
| // Starts with current value | ||
| // Update signal triggers next event | ||
| // Bound signal events are propagated | ||
| // Value property is being updated (set closure is called) | ||
| func testExecutes() { | ||
| let target = DummyTarget() | ||
| let subject = DynamicSubject( | ||
| target: target, | ||
| signal: target.changes.toSignal(), | ||
| get: { (target) -> Int in target.value }, | ||
| set: { (target, new) in target.value = new; target.recordedElements.append(new) } | ||
| ) | ||
|
|
||
| subject.expectNext([5, 6, 7, 1, 2, 3]) | ||
| target.value = 6 | ||
| target.changes.next() | ||
| XCTAssert(target.value == 6) | ||
|
|
||
| subject.on(.next(7)) | ||
| XCTAssert(target.value == 7) | ||
|
|
||
| Signal1.sequence([1, 2, 3]).bind(to: subject) | ||
| XCTAssert(target.recordedElements == [7, 1, 2, 3]) | ||
| XCTAssert(target.value == 3) | ||
| } | ||
|
|
||
| // Target is weakly referenced | ||
| // Disposable is disposed when target is deallocated | ||
| // Completed event is sent when target is deallocated | ||
| func testDisposesOnTargetDeallocation() { | ||
| var target: DummyTarget! = DummyTarget() | ||
| weak var weakTarget = target | ||
|
|
||
| let subject = DynamicSubject( | ||
| target: target, | ||
| signal: target.changes.toSignal(), | ||
| get: { (target) -> Int in target.value }, | ||
| set: { (target, new) in target.value = new; target.recordedElements.append(new) } | ||
| ) | ||
|
|
||
| let signal = PublishSubject1<Int>() | ||
| let disposable = signal.bind(to: subject) | ||
|
|
||
| subject.expect([.next(5), .next(1), .completed], expectation: expectation(description: "completed")) | ||
|
|
||
| signal.next(1) | ||
| XCTAssert(weakTarget != nil) | ||
| XCTAssert(disposable.isDisposed == false) | ||
| XCTAssert(target.recordedElements == [1]) | ||
|
|
||
| target = nil | ||
| signal.next(2) | ||
| XCTAssert(weakTarget == nil) | ||
| XCTAssert(disposable.isDisposed == true) | ||
|
|
||
| waitForExpectations(timeout: 1, handler: nil) | ||
| } | ||
| } |
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