How to use resolve method of io.kotest.engine.errors.ExtensionExceptionExtractor class

...167      descriptors.clear()168      startedTests.clear()169   }170   private fun addPlaceholderTest(parent: TestDescriptor, t: Throwable, kclass: KClass<*>) {171      val (name, cause) = ExtensionExceptionExtractor.resolve(t)172      val descriptor = createTestDescriptor(173         parent.uniqueId.append(Segment.Test.value, name),174         name,175         TestDescriptor.Type.TEST,176         ClassSource.from(kclass.java),177         false178      )179      parent.addChild(descriptor)180      listener.dynamicTestRegistered(descriptor)181      listener.executionStarted(descriptor)182      listener.executionFinished(descriptor, TestResult.Error(Duration.ZERO, cause).toTestExecutionResult())183   }184   override suspend fun testStarted(testCase: TestCase) {185      // depending on the test type, we may want to wait to notify junit, this is because gradle doesn't work186      // properly with the junit test types. Ideally, we'd just set everything to CONTAINER_AND_TEST, which is187      // supposed to mean a test can contain other tests as well as being a test itself, which is exactly how188      // Kotest views tests, but unfortunately it doesn't work properly.189      //190      // Another approach is to wait until the spec finishes to see which tests contain children and which191      // don't and set the test type appropriately, but junit doesn't give us a way to specify test duration192      // (instead it just calculates it itself from the time between marking a test as started and marking193      // it as finished), so this approach works but ends up having all tests as 0ms194      //195      // So the approach we will take is use the TestType from the test definition, unless it is dynamic,196      // then for dynamic we will calculate it later, and accept the 0ms drawback197      logger.log { Pair(testCase.name.testName, "test started") }198      if (testCase.parent != null) rootTests.add(testCase)199      addChild(testCase)200      when (testCase.type) {201         TestType.Container -> startTestIfNotStarted(testCase, TestDescriptor.Type.CONTAINER)202         TestType.Test -> startTestIfNotStarted(testCase, TestDescriptor.Type.TEST)203         TestType.Dynamic -> Unit204      }205   }206   // this test can be output now it has completed as we have all we need to know to complete it207   override suspend fun testFinished(testCase: TestCase, result: TestResult) {208      logger.log { Pair(testCase.name.testName, "test finished $result") }209      results[testCase.descriptor] = result210      val descriptor = getOrCreateTestDescriptor(testCase, null)211      // we need to ensure all parents have been started first212      startParents(testCase)213      startTestIfNotStarted(testCase, null)214      logger.log { Pair(testCase.name.testName, "executionFinished: $descriptor") }215      listener.executionFinished(descriptor, result.toTestExecutionResult())216   }217   override suspend fun testIgnored(testCase: TestCase, reason: String?) {218      logger.log { Pair(testCase.name.testName, "test ignored $reason") }219      if (testCase.parent == null) rootTests.add(testCase)220      addChild(testCase)221      results[testCase.descriptor] = TestResult.Ignored(reason)222      // we need to ensure all parents have been started first223      startParents(testCase)224      val descriptor = getOrCreateTestDescriptor(testCase, TestDescriptor.Type.TEST)225      logger.log { Pair(testCase.name.testName, "Registering dynamic test: $descriptor") }226      listener.dynamicTestRegistered(descriptor)227      logger.log { Pair(testCase.name.testName, "executionSkipped: $descriptor") }228      listener.executionSkipped(descriptor, reason)229   }230   private fun addChild(testCase: TestCase) {231      children.getOrPut(testCase.descriptor.parent) { mutableListOf() }.add(testCase)232   }233   private fun startParents(testCase: TestCase) {234      val parent = testCase.parent235      if (parent != null) {236         startParents(parent)237         startTestIfNotStarted(parent, null)238      }239   }240   private fun startTestIfNotStarted(testCase: TestCase, type: TestDescriptor.Type?) {241      if (!startedTests.contains(testCase.descriptor)) {242         val descriptor = getOrCreateTestDescriptor(testCase, type)243         logger.log { Pair(testCase.name.testName, "Registering dynamic test: $descriptor") }244         listener.dynamicTestRegistered(descriptor)245         logger.log { Pair(testCase.name.testName, "executionStarted: $descriptor") }246         listener.executionStarted(descriptor)247         startedTests.add(testCase.descriptor)248      }249   }250   private fun getOrCreateTestDescriptor(testCase: TestCase, type: TestDescriptor.Type?): TestDescriptor {251      val existing = descriptors[testCase.descriptor]252      if (existing != null) return existing253      val parent = when (val p = testCase.parent) {254         null -> getSpecDescriptor(testCase.spec::class)255         else -> getOrCreateTestDescriptor(p, null)256      }257      val id = parent.uniqueId.append(testCase.descriptor)258      // we dynamically work out the type if null by looking to see if this test had any children259      val c = children[testCase.descriptor]260      val t = when {261         type != null -> type262         c == null || c.isEmpty() -> TestDescriptor.Type.TEST263         else -> TestDescriptor.Type.CONTAINER264      }265      return createTestDescriptor(266         id,267         formatter.format(testCase),268         t,269         ClassSource.from(testCase.spec::class.java, null), // gradle-junit-platform hides tests if we don't send this270         type == TestDescriptor.Type.CONTAINER271      ).apply {272         parent.addChild(this)273         descriptors[testCase.descriptor] = this274      }275   }276   private fun getSpecDescriptor(kclass: KClass<*>): TestDescriptor {277      return getSpecDescriptor(root, kclass.toDescriptor(), formatter.format(kclass))278   }279   private fun createAndRegisterDummySpec(name: String): TestDescriptor {280      val unique = UniqueNames.unique(name, dummies) { s, k -> "${s}_$k" } ?: name281      dummies.add(unique)282      val descriptor = getSpecDescriptor(root, Descriptor.SpecDescriptor(DescriptorId(unique), this::class), unique)283      listener.dynamicTestRegistered(descriptor)284      return descriptor285   }286   private fun registerExceptionPlaceholders(ts: List<Throwable>) {287      ts.forEach {288         val (name, cause) = ExtensionExceptionExtractor.resolve(it)289         val container = createAndRegisterDummySpec(name)290         listener.executionStarted(container)291         listener.executionFinished(container, TestExecutionResult.failed(cause))292      }293   }294}...

...30   private val started = mutableSetOf<Descriptor.TestDescriptor>()31   // intellij has no method for failed suites, so if a container or spec fails we must insert32   // a dummy "test" in order to tag the error against that33   private fun insertPlaceholder(t: Throwable, parent: Descriptor) {34      val (name, cause) = ExtensionExceptionExtractor.resolve(t)35      val msg1 = TeamCityMessageBuilder36         .testStarted(prefix, name)37         .id(name)38         .parent(parent.path().value)39         .build()40      println(msg1)41      // we must print out the stack trace in between the dummy, so it appears when you click on the test name42      //t?.printStackTrace()43      val msg2 = TeamCityMessageBuilder44         .testFailed(prefix, name)45         .id(name)46         .parent(parent.path().value)47         .withException(cause, details)48         .build()...

...11 * callback was to fail, we cannot display the failure. The workaround is to add a dummy test12 * to the test suite, with some name like 'afterSpecFailure' and attach the exception there.13 */14object ExtensionExceptionExtractor {15   fun resolve(t: Throwable): Pair<String, Throwable> {16      val cause = t.cause ?: t17      val name = when (t) {18         is ExtensionException -> when (t) {19            is ExtensionException.BeforeProjectException -> "Before Project Error"20            is ExtensionException.AfterProjectException -> "After Project Error"21            is ExtensionException.BeforeTestException -> "Before Test Error"22            is ExtensionException.AfterTestException -> "After Test Error"23            is ExtensionException.BeforeEachException -> "Before Each Error"24            is ExtensionException.AfterEachException -> "After Each Error"25            is ExtensionException.BeforeContainerException -> "Before Container Error"26            is ExtensionException.AfterContainerException -> "After Container Error"27            is ExtensionException.BeforeAnyException -> "Before Any Error"28            is ExtensionException.AfterAnyException -> "After Any Error"29            is ExtensionException.BeforeInvocationException -> "Before Invocation Error"...

1val extensionExceptionExtractor = ExtensionExceptionExtractor()2val extensionException = extensionExceptionExtractor.resolve(throwable)3val testEngineExceptionExtractor = TestEngineExceptionExtractor()4val testEngineException = testEngineExceptionExtractor.resolve(throwable)5val specExceptionExtractor = SpecExceptionExtractor()6val specException = specExceptionExtractor.resolve(throwable)7val testCaseExceptionExtractor = TestCaseExceptionExtractor()8val testCaseException = testCaseExceptionExtractor.resolve(throwable)9val testEngineListenerExceptionExtractor = TestEngineListenerExceptionExtractor()10val testEngineListenerException = testEngineListenerExceptionExtractor.resolve(throwable)11val testEngineListenerExceptionExtractor = TestEngineListenerExceptionExtractor()12val testEngineListenerException = testEngineListenerExceptionExtractor.resolve(throwable)13val testCaseExtensionExceptionExtractor = TestCaseExtensionExceptionExtractor()14val testCaseExtensionException = testCaseExtensionExceptionExtractor.resolve(throwable)15val specExtensionExceptionExtractor = SpecExtensionExceptionExtractor()16val specExtensionException = specExtensionExceptionExtractor.resolve(throwable)17val specExtensionExceptionExtractor = SpecExtensionExceptionExtractor()18val specExtensionException = specExtensionExceptionExtractor.resolve(throwable)19val specExtensionExceptionExtractor = SpecExtensionExceptionExtractor()20val specExtensionException = specExtensionExceptionExtractor.resolve(throwable)21val specExtensionExceptionExtractor = SpecExtensionExceptionExtractor()22val specExtensionException = specExtensionExceptionExtractor.resolve(throwable)23val specExtensionExceptionExtractor = SpecExtensionExceptionExtractor()

1val exceptionExtractor = ExtensionExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)2val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)3val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)4val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)5val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)6val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)7val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)8val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)9val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)10val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)11val exceptionExtractor = JUnitExceptionExtractor ( this .javaClass.classLoader) val exception = exceptionExtractor.resolve(throwable)

1val cause = ExtensionExceptionExtractor.resolve(ex)2println(cause)3at io.kotest.core.test.TestExecutor$execute$3.invokeSuspend(TestExecutor.kt:99)4at io.kotest.core.test.TestExecutor$execute$3.invoke(TestExecutor.kt)5at io.kotest.core.test.TestExecutor$execute$3.invoke(TestExecutor.kt)6at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)7at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)8at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)9at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)10at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)11at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)12at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)13at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)14at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)15at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)16at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)17at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)18at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)19at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)20at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)21at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)22at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)23at io.kotest.core.test.TestExecutor$execute$1.invoke(TestExecutor.kt)24at io.kotest.core.test.TestExecutor$execute$1.invokeSuspend(TestExecutor.kt:73)