How to use testWaitUntilMustBeInMainThread method of ClassUnderTest class

Best Nimble code snippet using ClassUnderTest.testWaitUntilMustBeInMainThread

AsynchronousTest.swift

Source:AsynchronousTest.swift Github

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...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 {168 waitUntil { done in done() }169 }.to(raiseException(named: "InvalidNimbleAPIUsage"))170 executedAsyncBlock = true171 }172 if #available(OSX 10.10, *) {173 DispatchQueue.global().async(execute: asyncOperation)174 } else {175 DispatchQueue.global(priority: .default).async(execute: asyncOperation)176 }177 expect(executedAsyncBlock).toEventually(beTruthy())...

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testWaitUntilMustBeInMainThread

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1let classUnderTest = ClassUnderTest()2classUnderTest.testWaitUntilMustBeInMainThread()3let classUnderTest = ClassUnderTest()4classUnderTest.testWaitUntilMustBeInMainThread()5let classUnderTest = ClassUnderTest()6classUnderTest.testWaitUntilMustBeInMainThread()7let classUnderTest = ClassUnderTest()8classUnderTest.testWaitUntilMustBeInMainThread()9let classUnderTest = ClassUnderTest()10classUnderTest.testWaitUntilMustBeInMainThread()11let classUnderTest = ClassUnderTest()12classUnderTest.testWaitUntilMustBeInMainThread()13let classUnderTest = ClassUnderTest()14classUnderTest.testWaitUntilMustBeInMainThread()15let classUnderTest = ClassUnderTest()16classUnderTest.testWaitUntilMustBeInMainThread()17let classUnderTest = ClassUnderTest()18classUnderTest.testWaitUntilMustBeInMainThread()19let classUnderTest = ClassUnderTest()20classUnderTest.testWaitUntilMustBeInMainThread()21let classUnderTest = ClassUnderTest()22classUnderTest.testWaitUntilMustBeInMainThread()23let classUnderTest = ClassUnderTest()24classUnderTest.testWaitUntilMustBeInMainThread()

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testWaitUntilMustBeInMainThread

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1let classUnderTest = ClassUnderTest()2classUnderTest.testWaitUntilMustBeInMainThread()3class ClassUnderTest {4 func testWaitUntilMustBeInMainThread() {5 let expectation = XCTestExpectation(description: "Wait for queue change.")6 DispatchQueue.global().async {7 self.waitUntil {8 expectation.fulfill()9 }10 }11 wait(for: [expectation], timeout: 10.0)12 }13}14class ClassUnderTest {15 func testWaitUntilMustBeInMainThread() {16 let expectation = XCTestExpectation(description: "Wait for queue change.")17 DispatchQueue.global().async {18 self.waitUntil {19 DispatchQueue.main.async {20 expectation.fulfill()21 }22 }23 }24 wait(for: [expectation], timeout: 10.0)25 }26}27class ClassUnderTest {28 func testWaitUntilMustBeInMainThread() {29 let expectation = XCTestExpectation(description: "Wait for queue change.")30 DispatchQueue.global().async {31 self.waitUntil {32 DispatchQueue.main.async {33 expectation.fulfill()34 }35 }36 }37 wait(for: [expectation], timeout: 10.0)38 }39}40class ClassUnderTest {41 func testWaitUntilMustBeInMainThread() {42 let expectation = XCTestExpectation(description: "Wait for queue change.")43 DispatchQueue.global().async {44 self.waitUntil {45 DispatchQueue.main.async {46 expectation.fulfill()47 }48 }49 }50 wait(for: [expectation], timeout: 10.0)51 }52}53class ClassUnderTest {54 func testWaitUntilMustBeInMainThread() {55 let expectation = XCTestExpectation(description: "Wait for queue change.")56 DispatchQueue.global().async {57 self.waitUntil {58 DispatchQueue.main.async {59 expectation.fulfill()60 }61 }62 }63 wait(for: [expectation], timeout: 10.0)64 }65}66class ClassUnderTest {67 func testWaitUntilMustBeInMainThread() {68 let expectation = XCTestExpectation(description: "Wait for queue change.")69 DispatchQueue.global().async {70 self.waitUntil {

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testWaitUntilMustBeInMainThread

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1let classUnderTest = ClassUnderTest()2classUnderTest.testWaitUntilMustBeInMainThread()3class ClassUnderTest {4 func testWaitUntilMustBeInMainThread() {5 let expectation = XCTestExpectation(description: "Wait for queue change.")6 DispatchQueue.global().async {7 self.waitUntil {8 expectation.fulfill()9 }10 }11 wait(for: [expectation], timeout: 10.0)12 }13}14class ClassUnderTest {15 func testWaitUntilMustBeInMainThread() {16 let expectation = XCTestExpectation(description: "Wait for queue change.")17 DispatchQueue.global().async {18 self.waitUntil {19 DispatchQueue.main.async {20 expectation.fulfill()21 }22 }23 }24 wait(for: [expectation], timeout: 10.0)25 }26}27class ClassUnderTest {28 func testWaitUntilMustBeInMainThread() {29 let expectation = XCTestExpectation(description: "Wait for queue change.")30 DispatchQueue.global().async {31 self.waitUntil {32 DispatchQueue.main.async {33 expectation.fulfill()34 }35 }36 }37 wait(for: [expectation], timeout: 10.0)38 }39}40class ClassUnderTest {41 func testWaitUntilMustBeInMainThread() {42 let expectation = XCTestExpectation(description: "Wait for queue change.")43 DispatchQueue.global().async {44 self.waitUntil {45 DispatchQueue.main.async {46 expectation.fulfill()47 }48 }49 }50 wait(for: [expectation], timeout: 10.0)51 }52}53class ClassUnderTest {54 func testWaitUntilMustBeInMainThread() {55 let expectation = XCTestExpectation(description: "Wait for queue change.")56 DispatchQueue.global().async {57 self.waitUntil {58 DispatchQueue.main.async {59 expectation.fulfill()60 }61 }62 }63 wait(for: [expectation], timeout: 10.0)64 }65}66class ClassUnderTest {67 func testWaitUntilMustBeInMainThread() {68 let expectation = XCTestExpectation(description: "Wait for queue change.")69 DispatchQueue.global().async {70 self.waitUntil {

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testWaitUntilMustBeInMainThread

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1class ClassUnderTest {2 func waitUntilMustBeInMainThread() {3 waitUntil { done in4 DispatchQueue.main.async {5 done()6 }7 }8 }9}10@testable import ClassUnderTest11import XCTest12class ClassUnderTestTests: XCTestCase {13 func testWaitUntilMustBeInMainThread() {14 let classUnderTest = ClassUnderTest()15 classUnderTest.waitUntilMustBeInMainThread()16 }17}18protocol ClassUnderTestProtocol {19 func waitUntilMustBeInMainThread()20}21class ClassUnderTest: ClassUnderTestProtocol {22 func waitUntilMustBeInMainThread() {23 waitUntil { done in24 DispatchQueue.main.async {25 done()26 }27 }28 }29}30@testable import ClassUnderTest31import XCTest32class ClassUnderTestTests: XCTestCase {33 func testWaitUntilMustBeInMainThread() {34 let classUnderTest = ClassUnderTest()35 classUnderTest.waitUntilMustBeInMainThread()36 }37}

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testWaitUntilMustBeInMainThread

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1classClassUnderTes {2 func waitUntilMustBeInMainThread() {3 waitUntil { dne in4 DispatchQueue.main.async {5 done()6 }7 }8 }9}10@testale import ClassUnderTest11import XCTest12class ClassUnderTestTests: XCTestCase {13 func testWaitUntilMustBeInMainThrad(){14 let lssUnderTest = CassUnderTest()15 cassUnderTst.waitUntilMustBeInMainThrea()16 }17}18protocol ClassUnderTestProtocol {19 func waitUntilMustBeInMainThread()20}21class ClassUnderTest: ClassUnderTestProtocol {22 func waitUntilMustBeInMainThread() {23 waitUntil { done in24 DispatchQueue.main.async {25 done()26 }27 }28 }29}30@testable import ClassUnderTest31import XCTest32class ClassUnderTestTests: XCTestCase {33 func testWaitUntilMustBeInMainThread() {34 let classUnderTest = ClassUnderTest()35 classUnderTest.waitUntilMustBeInMainThread()36 }37}

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1func testSomething() {2 let testExpectation = expectation(description: "testSomething")3 let sut = ClassUnderTest()4 sut.testWaitUntilMustBeInMainThread { (result) in5 XCTAssertNotNil(result)6 testExpectation.fulfill()7 }8 waitForExpectations(timeout: 5, handler: nil)9}10func testSomething() {11 let testExpectation = expectation(description: "testSomething")12 let sut = ClassUnderTest()13 sut.testWaitUntilMustBeInMainThread { (result) in14 XCTAssertNotNil(result)15 testExpectation.fulfill()16 }17 waitForExpectations(timeout: 5, handler: nil)18}

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