73 lines
2.4 KiB
Swift
73 lines
2.4 KiB
Swift
/*
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The MIT License (MIT)
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Copyright (c) 2015-present Badoo Trading Limited.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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import XCTest
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@testable import ChattoAdditions
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class ObservableTests: XCTestCase {
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func testThatObserverClosureIsExecuted() {
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var subject = Observable<Int>(0)
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var executed = false
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subject.observe(self) { (old, new) -> () in
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executed = true
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}
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subject.value = 1
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XCTAssertTrue(executed)
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}
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func testThatObserverClosuresAreExecuted() {
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var subject = Observable<Int>(0)
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var executed1 = false, executed2 = false
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subject.observe(self) { (old, new) -> () in
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executed1 = true
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}
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subject.observe(self) { (old, new) -> () in
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executed2 = true
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}
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subject.value = 1
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XCTAssertTrue(executed1)
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XCTAssertTrue(executed2)
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}
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func testThatObserverClosureIsNotExecutedIfObserverWasDeallocated() {
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var subject = Observable<Int>(0)
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var observer: NSObject? = NSObject()
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var executed = false
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subject.observe(observer!) { (old, new) -> () in
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executed = true
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}
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observer = nil
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subject.value = 1
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XCTAssertFalse(executed)
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}
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func testNothingHappensIfNoObserversHaveBeenAdded() {
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var subject = Observable<Int>(0)
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subject.value = 1
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XCTAssertEqual(1, subject.value)
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}
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}
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