How to use testWaitUntilErrorsIfDoneIsCalledMultipleTimes method of ClassUnderTest class

Best Nimble code snippet using ClassUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes

AsynchronousTest.swift

Source:AsynchronousTest.swift Github

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...13 ("testWaitUntilTimesOutWhenExceedingItsTime", testWaitUntilTimesOutWhenExceedingItsTime),14 ("testWaitUntilNegativeMatches", testWaitUntilNegativeMatches),15 ("testWaitUntilDetectsStalledMainThreadActivity", testWaitUntilDetectsStalledMainThreadActivity),16 ("testCombiningAsyncWaitUntilAndToEventuallyIsNotAllowed", testCombiningAsyncWaitUntilAndToEventuallyIsNotAllowed),17 ("testWaitUntilErrorsIfDoneIsCalledMultipleTimes", testWaitUntilErrorsIfDoneIsCalledMultipleTimes),18 ("testWaitUntilMustBeInMainThread", testWaitUntilMustBeInMainThread),19 ("testToEventuallyMustBeInMainThread", testToEventuallyMustBeInMainThread),20 ("testSubjectUnderTestIsReleasedFromMemory", testSubjectUnderTestIsReleasedFromMemory),21 ]22 }23 class Error: Swift.Error {}24 let errorToThrow = Error()25 private func doThrowError() throws -> Int {26 throw errorToThrow27 }28 func testToEventuallyPositiveMatches() {29 var value = 030 deferToMainQueue { value = 1 }31 expect { value }.toEventually(equal(1))32 deferToMainQueue { value = 0 }33 expect { value }.toEventuallyNot(equal(1))34 }35 func testToEventuallyNegativeMatches() {36 let value = 037 failsWithErrorMessage("expected to eventually not equal <0>, got <0>") {38 expect { value }.toEventuallyNot(equal(0))39 }40 failsWithErrorMessage("expected to eventually equal <1>, got <0>") {41 expect { value }.toEventually(equal(1))42 }43 failsWithErrorMessage("unexpected error thrown: <\(errorToThrow)>") {44 expect { try self.doThrowError() }.toEventually(equal(1))45 }46 failsWithErrorMessage("unexpected error thrown: <\(errorToThrow)>") {47 expect { try self.doThrowError() }.toEventuallyNot(equal(0))48 }49 }50 func testToEventuallyWithCustomDefaultTimeout() {51 AsyncDefaults.Timeout = 252 defer {53 AsyncDefaults.Timeout = 154 }55 var value = 056 let sleepThenSetValueTo: (Int) -> Void = { newValue in57 Thread.sleep(forTimeInterval: 1.1)58 value = newValue59 }60 var asyncOperation: () -> Void = { sleepThenSetValueTo(1) }61 if #available(OSX 10.10, *) {62 DispatchQueue.global().async(execute: asyncOperation)63 } else {64 DispatchQueue.global(priority: .default).async(execute: asyncOperation)65 }66 expect { value }.toEventually(equal(1))67 asyncOperation = { sleepThenSetValueTo(0) }68 if #available(OSX 10.10, *) {69 DispatchQueue.global().async(execute: asyncOperation)70 } else {71 DispatchQueue.global(priority: .default).async(execute: asyncOperation)72 }73 expect { value }.toEventuallyNot(equal(1))74 }75 func testWaitUntilPositiveMatches() {76 waitUntil { done in77 done()78 }79 waitUntil { done in80 deferToMainQueue {81 done()82 }83 }84 }85 func testWaitUntilTimesOutIfNotCalled() {86 failsWithErrorMessage("Waited more than 1.0 second") {87 waitUntil(timeout: 1) { _ in return }88 }89 }90 func testWaitUntilTimesOutWhenExceedingItsTime() {91 var waiting = true92 failsWithErrorMessage("Waited more than 0.01 seconds") {93 waitUntil(timeout: 0.01) { done in94 let asyncOperation: () -> Void = {95 Thread.sleep(forTimeInterval: 0.1)96 done()97 waiting = false98 }99 if #available(OSX 10.10, *) {100 DispatchQueue.global().async(execute: asyncOperation)101 } else {102 DispatchQueue.global(priority: .default).async(execute: asyncOperation)103 }104 }105 }106 // "clear" runloop to ensure this test doesn't poison other tests107 repeat {108 RunLoop.main.run(until: Date().addingTimeInterval(0.2))109 } while(waiting)110 }111 func testWaitUntilNegativeMatches() {112 failsWithErrorMessage("expected to equal <2>, got <1>") {113 waitUntil { done in114 Thread.sleep(forTimeInterval: 0.1)115 expect(1).to(equal(2))116 done()117 }118 }119 }120 func testWaitUntilDetectsStalledMainThreadActivity() {121 let msg = "-waitUntil() timed out but was unable to run the timeout handler because the main thread is unresponsive (0.5 seconds is allow after the wait times out). Conditions that may cause this include processing blocking IO on the main thread, calls to sleep(), deadlocks, and synchronous IPC. Nimble forcefully stopped run loop which may cause future failures in test run."122 failsWithErrorMessage(msg) {123 waitUntil(timeout: 1) { done in124 Thread.sleep(forTimeInterval: 5.0)125 done()126 }127 }128 }129 func testCombiningAsyncWaitUntilAndToEventuallyIsNotAllowed() {130 // Currently we are unable to catch Objective-C exceptions when built by the Swift Package Manager131#if !SWIFT_PACKAGE132 let referenceLine = #line + 9133 var msg = "Unexpected exception raised: Nested async expectations are not allowed "134 msg += "to avoid creating flaky tests."135 msg += "\n\n"136 msg += "The call to\n\t"137 msg += "expect(...).toEventually(...) at \(#file):\(referenceLine + 7)\n"138 msg += "triggered this exception because\n\t"139 msg += "waitUntil(...) at \(#file):\(referenceLine + 1)\n"140 msg += "is currently managing the main run loop."141 failsWithErrorMessage(msg) { // reference line142 waitUntil(timeout: 2.0) { done in143 var protected: Int = 0144 DispatchQueue.main.async {145 protected = 1146 }147 expect(protected).toEventually(equal(1))148 done()149 }150 }151#endif152 }153 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {154 failsWithErrorMessage("waitUntil(..) expects its completion closure to be only called once") {155 waitUntil { done in156 deferToMainQueue {157 done()158 done()159 }160 }161 }162 }163 func testWaitUntilMustBeInMainThread() {164#if !SWIFT_PACKAGE165 var executedAsyncBlock: Bool = false166 let asyncOperation: () -> Void = {167 expect {...

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1let classUnderTest = ClassUnderTest()2classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()3let classUnderTest = ClassUnderTest()4classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()5let classUnderTest = ClassUnderTest()6classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()7let classUnderTest = ClassUnderTest()8classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()9let classUnderTest = ClassUnderTest()10classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()11let classUnderTest = ClassUnderTest()12classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()13let classUnderTest = ClassUnderTest()14classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()15let classUnderTest = ClassUnderTest()16classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()17let classUnderTest = ClassUnderTest()18classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()19let classUnderTest = ClassUnderTest()20classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()21let classUnderTest = ClassUnderTest()22classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1let classUnderTest = ClassUnderTest()2classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()3let classUnderTest = ClassUnderTest()4classUnderTest.testWaitUntilErrorsIfDoneIsCalledMultipleTimes()5class Foo {6 func doSomething(closure: (String) -> Void) {7 closure("hello")8 }9}10class FooTests: XCTestCase {11 func testClosure() {12 let foo = Foo()13 foo.doSomething { (string) in14 XCTAssertEqual(string, "hello")15 }16 }17}18foo.doSomething { (string) in19 XCTAssertEqual(string, "goodbye")20}21func doSomething(callback: (String) -> Void) {22 callback("hello")23}24class Foo {25 func doSomething(closure: (String) -> Void) {26 closure("hello")27 }28}29class FooTests: XCTestCase {30 func testClosure() {31 let foo = Foo()32 foo.doSomething { (string) in33 XCTAssertEqual(string, "hello")34 }35 }36}37foo.doSomething { (string) in38 XCTAssertEqual(string, "goodbye")39}

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1class ClassUnderTestTest: XCTestCase {2 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {3 let sut = ClassUnderTest()4 sut.waitUntil { done in5 done()6 done()7 }8 }9}10class ClassUnderTestTest: XCTestCase {11 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {12 let sut = ClassUnderTest()13 sut.waitUntil { done in14 done()15 done()16 }17 }18}19class ClassUnderTestTest: XCTestCase {20 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {21 let sut = ClassUnderTest()22 sut.waitUntil { done in23 done()24 done()25 }26 }27}28class ClassUnderTestTest: XCTestCase {29 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {30 let sut = ClassUnderTest()31 sut.waitUntil { done in32 done()33 done()34 }35 }36}37class ClassUnderTestTest: XCTestCase {38 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {39 let sut = ClassUnderTest()40 sut.waitUntil { done in41 done()42 done()43 }44 }45}46class ClassUnderTestTest: XCTestCase {47 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {48 let sut = ClassUnderTest()49 sut.waitUntil { done in50 done()51 done()52 }53 }54}55class ClassUnderTestTest: XCTestCase {56 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {57 let sut = ClassUnderTest()58 sut.waitUntil { done in59 done()60 done()61 }62 }63}

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1import XCTest2import Foundation3class ClassUnderTestTests: XCTestCase {4 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {5 let sut = ClassUnderTest()6 sut.waitUntil { done in7 done()8 done()9 }10 }11}12import XCTest13import Foundation14class ClassUnderTest {15 func waitUntil(_ block: (()->Void) -> Void) {16 block {}17 }18}

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1import XCTest2import Foundation3@testable import ClassUnderTest4class ClassUnderTestTests: XCTestCase {5 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {6 let sut = ClassUnderTest()7 sut.waitUntil { done in8 done()9 done()10 }11 }12}13import XCTest14import Foundation15class ClassUnderTest {16 func waitUntil(_ block: @escaping (_ done: () -> Void) -> Void) {17 block {}18 }19}20You can use a boolean flag to track if done() has been called already:21class ClassUnderTestTests: XCTestCase {22 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {23 let sut = ClassUnderTest()24 sut.waitUntil { done in25 done()26 done()27 }28 XCTAssertTrue(doneCalled)29 }30}

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {2 let classUnderTest = ClassUnderTest()3 classUnderTest.waitUntil(timeout: 1) { done in4 done()5 done()6 }7 }8 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {9 ClassUnderTest().waitUntil(timeout: 1) { done in10 done()11 done()12 }13 }14 (

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testWaitUntilErrorsIfDoneIsCalledMultipleTimes

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1import ClassUnderTest2import XCTest3class TestClass: XCTestCase {4 let classUnderTest = ClassUnderTest()5 func testWaitUntilErrorsIfDoneIsCalledMultipleTimes() {6 classUnderTest.waitUntil { done in7 done()8 done()9 }10 }11}12import XCTest13class ClassUnderTest {14 func waitUntil(_ closure: @escaping (()->()) -> ()) {15 closure {16 }17 }18}

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