Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

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

...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      }...

TestInvocationInterceptor.kt

Source:TestInvocationInterceptor.kt

...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) }) {...

TestInvocationInterceptor

Using AI Code Generation

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)

TestInvocationInterceptor

Using AI Code Generation

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}

TestInvocationInterceptor

Using AI Code Generation

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 }

TestInvocationInterceptor

Using AI Code Generation

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

TestInvocationInterceptor

Using AI Code Generation

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

TestInvocationInterceptor

Using AI Code Generation

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}

TestInvocationInterceptor

Using AI Code Generation

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

TestInvocationInterceptor

Using AI Code Generation

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

TestInvocationInterceptor

Using AI Code Generation

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

TestInvocationInterceptor

Using AI Code Generation

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}

TestInvocationInterceptor

Using AI Code Generation

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 }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.