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

Best Kotest code snippet using io.kotest.engine.errors.ExtensionExceptionExtractor.resolve

JUnitTestEngineListener.kt

Source: JUnitTestEngineListener.kt Github

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...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}...

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TeamCityTestEngineListener.kt

Source: TeamCityTestEngineListener.kt Github

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...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()...

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ExtensionExceptionExtractor.kt

Source: ExtensionExceptionExtractor.kt Github

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...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"...

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resolve

Using AI Code Generation

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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()

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resolve

Using AI Code Generation

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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)

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resolve

Using AI Code Generation

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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)

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