How to use TestInvocationInterceptor class of io.kotest.engine.test package

Best Kotest code snippet using io.kotest.engine.test.TestInvocationInterceptor

TestCaseExecutor.kt

Source:TestCaseExecutor.kt Github

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...59 SoftAssertInterceptor(),60 CoroutineLoggingInterceptor(configuration),61 if (platform == Platform.JVM) blockedThreadTimeoutInterceptor(configuration, timeMark) else null,62 TimeoutInterceptor(timeMark),63 TestInvocationInterceptor(configuration.registry, timeMark),64 InvocationTimeoutInterceptor,65 if (platform == Platform.JVM && testCase.config.testCoroutineDispatcher) TestDispatcherInterceptor() else null,66 if (platform == Platform.JVM && testCase.config.coroutineTestScope) TestCoroutineInterceptor() else null,67 CoroutineDebugProbeInterceptor,68 )69 val innerExecute: suspend (TestCase, TestScope) -> TestResult = { tc, scope ->70 logger.log { Pair(testCase.name.testName, "Executing test") }71 tc.test(scope)72 try {73 TestResult.Success(timeMark.elapsedNow())74 } catch (e: Throwable) {75 TestResult.Success(Duration.ZERO) // workaround for kotlin 1.576 }77 }...

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TestInvocationInterceptor.kt

Source:TestInvocationInterceptor.kt Github

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...8import io.kotest.mpp.replay9import kotlinx.coroutines.coroutineScope10import kotlin.time.Duration11import kotlin.time.TimeMark12class TestInvocationInterceptor(13 registry: ExtensionRegistry,14 private val timeMark: TimeMark,15) : TestExecutionInterceptor {16 private val extensions = TestExtensions(registry)17 private val logger = Logger(TestInvocationInterceptor::class)18 override suspend fun intercept(19 testCase: TestCase,20 scope: TestScope,21 test: suspend (TestCase, TestScope) -> TestResult22 ): TestResult {23 return try {24 // we wrap in a coroutine scope so that we wait for any user-launched coroutines to finish,25 // and so we can grab any exceptions they throw26 coroutineScope {27 replay(28 testCase.config.invocations,29 testCase.config.threads,30 { extensions.beforeInvocation(testCase, it) },31 { extensions.afterInvocation(testCase, it) }) {...

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TestInvocationInterceptor

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1val testListener = object : TestListener {2override fun beforeTest(testCase: TestCase) {3println("Before Test")4}5override fun afterTest(testCase: TestCase, result: TestResult) {6println("After Test")7}8}9val testEngineListener = object : TestEngineListener {10override fun engineStarted(classes: List<KClass<*>>) {11println("Engine Started")12}13override fun engineFinished(t: List<Throwable>) {14println("Engine Finished")15}16}17val testEngineExtension = object : TestEngineExtension {18override fun intercept(spec: Spec, process: suspend (Spec) -> Unit) {19println("Before Spec")20process(spec)21println("After Spec")22}23}24val testExtension = object : TestExtension {25override fun intercept(testCase: TestCase, process: suspend (TestCase) -> TestResult): TestResult {26println("Before Test")27val result = process(testCase)28println("After Test")29}30}31val testInvocationInterceptor = object : TestInvocationInterceptor {32override suspend fun intercept(testCase: TestCase, execute: suspend (TestCase) -> TestResult): TestResult {33println("Before Test")34val result = execute(testCase)35println("After Test")36}37}38listeners(testListener)39listeners(testEngineListener)40extensions(testEngineExtension)41extensions(testExtension)42extensions(testInvocationInterceptor)

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TestInvocationInterceptor

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1import io.kotest.core.spec.style.FunSpec2import io.kotest.engine.test.TestInvocationInterceptor3import io.kotest.engine.test.interceptors.TestContext4import io.kotest.engine.test.interceptors.TestExecutionInterceptor5class MyTest : FunSpec() {6 init {7 intercept(TestExecutionInterceptor) { context, execute ->8 println("Before test execution")9 execute(context)10 println("After test execution")11 }12 test("A Test") {13 println("Test execution")14 }15 }16}17import io.kotest.core.spec.style.FunSpec18import io.kotest.engine.test.TestInvocationInterceptor19import io.kotest.engine.test.interceptors.TestContext20import io.kotest.engine.test.interceptors.TestExecutionInterceptor21class MyTest : FunSpec() {22 init {23 intercept(TestInvocationInterceptor) { context, execute ->24 println("Before test execution: ${context.testCase.description.name}")25 execute(context)26 println("After test execution: ${context.testCase.description.name}")27 }28 test("A Test") {29 println("Test execution")30 }31 }32}

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TestInvocationInterceptor

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1+class MyTestListener : TestListener {2+ override suspend fun intercept(3+ execute: suspend (TestCase, TestScope) -> TestResult4+ ): TestResult {5+ println("invoking test ${invocation.case.name}")6+ return execute(invocation.case, invocation.scope)7+ }8+}9+class MyTestEngineListener : TestEngineListener {10+ override suspend fun intercept(11+ execute: suspend (TestEngineListener.Event) -> Unit12+ ) {13+ println("invoking test engine listener ${invocation.event.name}")14+ execute(invocation.event)15+ }16+}17+class MyTestEngineListener : TestEngineListener {18+ override suspend fun intercept(19+ execute: suspend (TestEngineListener.Event) -> Unit20+ ) {21+ println("invoking test engine listener ${invocation.event.name}")22+ execute(invocation.event)23+ }24+}25 fun test() {26+ val testEngineListener = MyTestEngineListener()27+ val testListener = MyTestListener()28+ val config = ProjectConfig(testListeners = listOf(testListener), testEngineListeners = listOf(testEngineListener))29+ withProject(config) {30+ "test1" {31+ println("Hello World")32+ }33+ }34 }

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TestInvocationInterceptor

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1class TestInvocationInterceptorTest : FunSpec({2test("test with interceptor") {3val interceptor = TestInvocationInterceptor { (testCase, execute) ->4println("intercepted test case: $testCase")5execute(testCase)6}7withTestInvocationInterceptors(listOf(interceptor)) {8test("test") {9println("test")10}11}12}13})14intercepted test case: TestCase(name=test, spec=TestInvocationInterceptorTest, type=Test, config=TestCaseConfig(invocations=1, threads=1, enabled=true, timeout=null, tags=[], softAsserts=false, isolationMode=InstancePerLeaf, inheritableThreadLocals=true, extensions=[], assertions=Default, defaultTestConfig=Default, dispatcher=null, testCoroutineDispatcher=null, testCoroutineExceptionHandler=null, coroutineDebugProbes=null, coroutineName=null, xdisabledReason=null, xdisabled=null, xfailReason=null, xfail=null, xfailIfReason=null, xfailIf=null, xfailUnlessReason=null, xfailUnless=null, xfailUnlessExceptionReason=null, xfailUnlessException=null, xfailUnlessMessageReason=null, xfailUnlessMessage=null, xfailUnlessMessageRegexReason=null, xfailUnlessMessageRegex=null, xfailUnlessMessageContainsReason=null, xfailUnlessMessageContains=null, xfailUnlessMessageContainsRegexReason=null, xfailUnlessMessageContainsRegex=null, xfailUnlessMessageStartsWithReason=null, xfailUnlessMessageStartsWith=null, xfailUnlessMessageStartsWithRegexReason=null, xfailUnlessMessageStartsWithRegex=null, xfailUnlessMessageEndsWithReason=null, xfailUnlessMessageEndsWith=null, xfailUnlessMessageEndsWithRegexReason=null, xfailUnlessMessageEndsWithRegex=null), testCoroutineContext=null, coroutineContext=null, coroutineDispatcher=null, coroutineExceptionHandler=null, coroutineName=null, coroutineScope=null, coroutineStart=null, coroutineContextElement=null, coroutineContextElement1=null, coroutineContextElement2=null, coroutineContextElement3=null, coroutineContextElement4=null, coroutineContextElement5=null, coroutineContextElement6=null, coroutineContextElement7=null, coroutineContextElement8=null, coroutineContextElement9=null, coroutineContextElement10=null, coroutineContextElement11=null, coroutineContextElement12=null, coroutineContextElement13=null, coroutineContextElement14=null, coroutineContextElement15=null, coroutineContextElement16=null, coroutineContextElement17=null, coroutineContextElement18=null, coroutineContextElement

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TestInvocationInterceptor

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1fun engineTest() {2val interceptor = TestInvocationInterceptor()3interceptor.intercept { /* your test code here */ }4}5fun engineTest() {6val interceptor = TestInvocationInterceptor()7interceptor.intercept { /* your test code here */ }8}

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TestInvocationInterceptor

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1fun test() {2 println("This is a test")3}4suspend fun intercept(5 invocation: suspend (TestCase) -> TestResult,6 execute: suspend (TestCase, suspend (TestCase) -> TestResult) -> TestResult7companion object : TestEngineListener {8 fun registerTestInvocationInterceptor(interceptor: TestInvocationInterceptor) {9 TestEngine.interceptors.add(interceptor)10 }11 }12companion object {13 operator fun invoke(listener: TestEngineListener): TestEngineListener {14 listeners.add(listener)15 }16 }17companion object {18 operator fun invoke(listener: TestEngineListener): TestEngineListener {19 listeners.add(listener)20 }21 }22 }23 }24}25import io.kotest.core.spec.style.FunSpec26import io.kotest.engine.test.TestInvocationInterceptor27import io.kotest.engine.test.interceptors.TestContext28import io.kotest.engine.test.interceptors.TestExecutionInterceptor29class MyTest : FunSpec() {30 init {31 intercept(TestInvocationInterceptor) { context, execute ->32 println("Before test execution: ${context.testCase.description.name}")33 execute(context)34 println("After test execution: ${context.testCase.description.name}")35 }36 test("A Test") {37 println("Test execution")38 }39 }40}

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TestInvocationInterceptor

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1class TestInvocationInterceptorTest : FunSpec({2test("test with interceptor") {3val interceptor = TestInvocatioInterceptor { (testCase, execute) ->4println("intercepted test case: $testCase")5execute(testCase)6}7withTestInvocationInterceptors(listOf(interceptor)) {8test("test") {9println("test")10}11}12}13})14intercepted test case: TestCase(name=test, spec=TestInvocationInterceptorTest, type=Test, config=TestCaseConfig(invocations=1, threads=1, enabled=true, timeout=null, tags=[], softAsserts=false, isolationMode=InstancePerLeaf, inheritableThreadLocals=true, extensions=[], assertions=Default, defaultTestConfig=Default, dispatcher=null, testCoroutineDispatcher=null, testCoroutineExceptionHandler=null, coroutineDebugProbes=null, coroutineName=null, xdisabledReason=null, xdisabled=null, xfailReason=null, xfail=null, xfailIfReason=null, xfailIf=null, xfailUnlessReason=null, xfailUnless=null, xfailUnlessExceptionReason=null, xfailUnlessException=null, xfailUnlessMessageReason=null, xfailUnlessMessage=null, xfailUnlessMessageRegexReason=null, xfailUnlessMessageRegex=null, xfailUnlessMessageContainsReason=null, xfailUnlessMessageContains=null, xfailUnlessMessageContainsRegexReason=null, xfailUnlessMessageContainsRegex=null, xfailUnlessMessageStartsWithReason=null, xfailUnlessMessageStartsWith=null, xfailUnlessMessageStartsWithRegexReason=null, xfailUnlessMessageStartsWithRegex=null, xfailUnlessMessageEndsWithReason=null, xfailUnlessMessageEndsWith=null, xfailUnlessMessageEndsWithRegexReason=null, xfailUnlessMessageEndsWithRegex=null), testCoroutineContext=null, coroutineContext=null, coroutineDispatcher=null, coroutineExceptionHandler=null, coroutineName=null, coroutineScope=null, coroutineStart=null, coroutineContextElement=null, coroutineContextElement1=null, coroutineContextElement2=null, coroutineContextElement3=null, coroutineContextElement4=null, coroutineContextElement5=null, coroutineContextElement6=null, coroutineContextElement7=null, coroutineContextElement8=null, coroutineContextElement9=null, coroutineContextElement10=null, coroutineContextElement11=null, coroutineContextElement12=null, coroutineContextElement13=null, coroutineContextElement14=null, coroutineContextElement15=null, coroutineContextElement16=null, coroutineContextElement17=null, coroutineContextElement18=null, coroutineContextElement

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TestInvocationInterceptor

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1fun engineTest() {2val interceptor = TestInvocationInterceptor()3interceptor.intercept { /* your test code here */ }4}5fun engineTest() {6val interceptor = TestInvocationInterceptor()7interceptor.intercept { /* your test code here */ }8}

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TestInvocationInterceptor

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1funeTst(){2va interceptor = TestInvocationInterceptor()3interceptor.ntercept { /* your tet code here */ }4}5fun engineTest() {6val interceptor = TestInvocationInterceptor()7interceptor.intercept { /* your test code here */ }8}

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TestInvocationInterceptor

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1import io.kotest.core.spec.style.FunSpec2import io.kotest.engine.test.TestInvocationInterceptor3import io.kotest.engine.test.interceptors.TestContext4import io.kotest.engine.test.interceptors.TestExecutionInterceptor5class MyTest : FunSpec() {6 init {7 intercept(TestExecutionInterceptor) { context, execute ->8 println("Before test execution")9 execute(context)10 println("After test execution")11 }12 test("A Test") {13 println("Test execution")14 }15 }16}17import io.kotest.core.spec.style.FunSpec18import io.kotest.engine.test.TestInvocationInterceptor19import io.kotest.engine.test.interceptors.TestContext20import io.kotest.engine.test.interceptors.TestExecutionInterceptor21class MyTest : FunSpec() {22 init {23 intercept(TestInvocationInterceptor) { context, execute ->24 println("Before test execution: ${context.testCase.description.name}")25 execute(context)26 println("After test execution: ${context.testCase.description.name}")27 }28 test("A Test") {29 println("Test execution")30 }31 }32}

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TestInvocationInterceptor

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1+class MyTestListener : TestListener {2+ override suspend fun intercept(3+ execute: suspend (TestCase, TestScope) -> TestResult4+ ): TestResult {5+ println("invoking test ${invocation.case.name}")6+ return execute(invocation.case, invocation.scope)7+ }8+}9+class MyTestEngineListener : TestEngineListener {10+ override suspend fun intercept(11+ execute: suspend (TestEngineListener.Event) -> Unit12+ ) {13+ println("invoking test engine listener ${invocation.event.name}")14+ execute(invocation.event)15+ }16+}17+class MyTestEngineListener : TestEngineListener {18+ override suspend fun intercept(19+ execute: suspend (TestEngineListener.Event) -> Unit20+ ) {21+ println("invoking test engine listener ${invocation.event.name}")22+ execute(invocation.event)23+ }24+}25 fun test() {26+ val testEngineListener = MyTestEngineListener()27+ val testListener = MyTestListener()28+ val config = ProjectConfig(testListeners = listOf(testListener), testEngineListeners = listOf(testEngineListener))29+ withProject(config) {30+ "test1" {31+ println("Hello World")32+ }33+ }34 }

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