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How to use rootTests method of io.kotest.core.spec.Spec class

Best Kotest code snippet using io.kotest.core.spec.Spec.rootTests

JUnitTestEngineListener.kt

Source:JUnitTestEngineListener.kt

...80   private val descriptors = mutableMapOf<Descriptor, TestDescriptor>()81   private var started = false82   private val startedTests = mutableSetOf<Descriptor.TestDescriptor>()83   // the root tests are our entry point when outputting results84   private val rootTests = mutableListOf<TestCase>()85   private var failOnIgnoredTests = false86   private val children = mutableMapOf<Descriptor, MutableList<TestCase>>()87   private val results = mutableMapOf<Descriptor, TestResult>()88   private val dummies = hashSetOf<String>()89   override suspend fun engineStarted() {90      logger.log { Pair(null, "Engine started") }91      listener.executionStarted(root)92   }93   override suspend fun engineInitialized(context: EngineContext) {94      failOnIgnoredTests = context.configuration.failOnIgnoredTests95      formatter = getDisplayNameFormatter(context.configuration.registry, context.configuration)96   }97   override suspend fun engineFinished(t: List<Throwable>) {98      logger.log { Pair(null, "Engine finished; throwables=[${t}]") }99      registerExceptionPlaceholders(t)100      val result = if (failOnIgnoredTests && results.values.any { it.isIgnored }) {101         TestExecutionResult.failed(RuntimeException("Build contained ignored test"))102      } else {103         TestExecutionResult.successful()104      }105      logger.log { Pair(null, "Notifying junit that engine completed $root") }106      listener.executionFinished(root, result)107   }108   override suspend fun specStarted(kclass: KClass<*>) {109      markSpecStarted(kclass)110   }111   override suspend fun specFinished(kclass: KClass<*>, result: TestResult) {112      val t = result.errorOrNull113      when {114         // if we have a spec error before we even started the spec, we will start the spec, add a placeholder115         // to hold the error, mark that test as failed, and then fail the spec as well116         t != null && !started -> {117            val descriptor = markSpecStarted(kclass)118            addPlaceholderTest(descriptor, t, kclass)119            logger.log { Pair(kclass.bestName(), "execution failed: $descriptor $t") }120            listener.executionFinished(descriptor, TestExecutionResult.failed(t))121         }122         // if we had an error in the spec, and we had no tests, we'll add the dummy and return123         t != null && rootTests.isEmpty() -> {124            val descriptor = getSpecDescriptor(kclass)125            addPlaceholderTest(descriptor, t, kclass)126            logger.log { Pair(kclass.bestName(), "execution failed: $descriptor $t") }127            listener.executionFinished(descriptor, TestExecutionResult.failed(t))128         }129         else -> {130            val descriptor = getSpecDescriptor(kclass)131            val result = when (t) {132               null -> TestExecutionResult.successful()133               else -> {134                  addPlaceholderTest(descriptor, t, kclass)135                  TestExecutionResult.successful()136               }137            }138            logger.log { Pair(kclass.bestName(), "executionFinished: $descriptor") }139            listener.executionFinished(descriptor, result)140         }141      }142      reset()143   }144   override suspend fun specIgnored(kclass: KClass<*>, reason: String?) {145      logger.log { Pair(kclass.bestName(), "Spec is being flagged as ignored") }146      listener.executionSkipped(getSpecDescriptor(kclass), reason)147   }148   private fun markSpecStarted(kclass: KClass<*>): TestDescriptor {149      return try {150         val descriptor = getSpecDescriptor(root, kclass.toDescriptor(), formatter.format(kclass))151         logger.log { Pair(kclass.bestName(), "Registering dynamic spec $descriptor") }152         listener.dynamicTestRegistered(descriptor)153         logger.log { Pair(kclass.bestName(), "Spec executionStarted $descriptor") }154         listener.executionStarted(descriptor)155         started = true156         descriptor157      } catch (t: Throwable) {158         logger.log { Pair(kclass.bestName(), "Error in JUnit Platform listener $t") }159         throw t160      }161   }162   private fun reset() {163      rootTests.clear()164      children.clear()165      results.clear()166      started = false167      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) {...

SingleInstanceSpecRunner.kt

Source:SingleInstanceSpecRunner.kt

...38   private val logger = Logger(SingleInstanceSpecRunner::class)39   override suspend fun execute(spec: Spec): Result<Map<TestCase, TestResult>> {40      logger.log { Pair(spec::class.bestName(), "executing spec $spec") }41      suspend fun interceptAndRun(context: CoroutineContext) = runCatching {42         val rootTests = materializer.materialize(spec)43         logger.log { Pair(spec::class.bestName(), "Materialized root tests: ${rootTests.size}") }44         launch(spec) {45            logger.log { Pair(it.name.testName, "Executing test $it") }46            runTest(it, context, null)47         }48      }49      try {50         return coroutineScope {51            extensions.beforeSpec(spec)52               .flatMap { interceptAndRun(coroutineContext) }53               .flatMap { SpecExtensions(configuration.registry).afterSpec(spec) }54               .map { results }55         }56      } catch (e: Exception) {57         e.printStackTrace()...

DslDrivenSpec.kt

Source:DslDrivenSpec.kt

...15abstract class DslDrivenSpec : Spec(), RootScope {16   /**17    * Contains the [RootTest]s that have been registered on this spec.18    */19   private var rootTests = emptyList<RootTest>()20   private var sealed = false21   private val globalExtensions = mutableListOf<Extension>()22   /**23    * Marks that this spec has been instantiated and all root tests have been registered.24    * After this point, no further root tests are allowed to be defined.25    */26   fun seal() {27      sealed = true28   }29   override fun rootTests(): List<RootTest> {30      return rootTests31   }32   override fun globalExtensions(): List<Extension> {33      return globalExtensions.toList()34   }35   override fun add(test: RootTest) {36      if (sealed) throw InvalidDslException("Cannot add a root test after the spec has been instantiated: ${test.name.testName}")37      rootTests = rootTests + test38   }39   /**40    * Include the tests and extensions from the given [TestFactory] in this spec.41    * Tests are added in order from where this include was invoked using configuration and42    * settings at the time the method was invoked.43    */44   fun include(factory: TestFactory) {45      factory.tests.forEach { add(it.copy(factoryId = factory.factoryId)) }46      register(factory.extensions)47   }48   /**49    * Includes the tests from the given [TestFactory] in this spec or factory, with the given50    * prefixed added to each of the test's name.51    */...

KotestStringSpecTest.kt

Source:KotestStringSpecTest.kt

...83    override suspend fun afterInvocation(testCase: TestCase, iteration: Int) {84        logger.info("afterInvocation ${testCase.displayName}")85    }86    override suspend fun afterSpec(spec: Spec) {87        val names = spec.rootTests().map { it.testCase.displayName }88        logger.info("afterSpec $names")89    }90    override suspend fun afterTest(testCase: TestCase, result: TestResult) {91        logger.info("afterTest ${testCase.displayName}, ${result.status} ${result.reason} ${result.error}")92    }93    override suspend fun beforeInvocation(testCase: TestCase, iteration: Int) {94        logger.info("beforeInvocation ${testCase.displayName}")95    }96    override suspend fun beforeSpec(spec: Spec) {97        val names = spec.rootTests().map { it.testCase.displayName }98        logger.info("beforeSpec $names")99    }100    override suspend fun beforeTest(testCase: TestCase) {101        logger.info("beforeTest ${testCase.displayName}")102    }103    override suspend fun finalizeSpec(kclass: KClass<out Spec>, results: Map<TestCase, TestResult>) {104        logger.info("finalizeSpec")105    }106    override suspend fun prepareSpec(kclass: KClass<out Spec>) {107        logger.info("prepareSpec")108    }109}...

Materializer.kt

Source:Materializer.kt

...25    */26   fun materialize(spec: Spec): List<TestCase> {27      val duplicateTestNameMode = spec.duplicateTestNameMode ?: configuration.duplicateTestNameMode28      val handler = DuplicateTestNameHandler(duplicateTestNameMode)29      val tests = spec.rootTests().map { rootTest ->30         val uniqueName = handler.handle(rootTest.name)31         val uniqueTestName = if (uniqueName == null) rootTest.name else rootTest.name.copy(testName = uniqueName)32         TestCase(33            descriptor = spec::class.toDescriptor().append(uniqueTestName),34            name = uniqueTestName,35            spec = spec,36            type = rootTest.type,37            source = rootTest.source,38            test = rootTest.test,39            config = resolveConfig(40               config = rootTest.config,41               xdisabled = rootTest.disabled,42               parent = null,43               spec = spec,...

ScriptRuntime.kt

Source:ScriptRuntime.kt

...28//   /**29//    * Stores root level tests added by a script.30//    * Should be cleared after each script ScriptInstantiationExceptionhas completed.31//    */32//   private val rootTests = mutableListOf<TestCase>()33//34//   /**35//    * Adds a new root [TestCase] with the given name and type.36//    *37//    * @param xdisabled if true then this test has been disabled by using an xKeyword method.38//    */39//   fun registerRootTest(40//      name: DescriptionName.TestName,41//      xdisabled: Boolean,42//      type: TestType,43//      test: suspend (testScope) -> Unit44//   ) {45//      log { "ScriptRuntime: registerRootTest $name" }46//      val config = if (xdisabled) TestCaseConfig().copy(enabled = false) else TestCaseConfig()47//      val description = spec.description().append(name, type)48//      rootTests.add(49//         TestCase(50//            descriptor = description,51//            spec = spec,52//            test = test,53//            source = sourceRef(),54//            type = type,55//            config = config,56//            factoryId = null,57//            descriptor = Descriptor.fromScriptClass(ScriptSpec::class).append(58//               Name(description.name.name),59//               DisplayName(description.name.displayName),60//               TestType.Test,61//               Source.TestSource(sourceRef().fileName, sourceRef().lineNumber),62//            ),63//            parent = null,64//         )65//      )66//   }67//68//   fun reset() {69//      rootTests.clear()70//      spec = ScriptSpec()71//   }72//73//   fun materializeRootTsssests(parent: Descriptor.SpecDescriptor): List<TestCase> {74//      // the test cases will have been registered with a placeholder spec description, since we don't know75//      // what that is until runtime. So now we must replace that.76//      return rootTests.toList().map {77//         it.copy(descriptor = it.descriptor!!.copy(parent = parent))78//      }79//   }80//}...

SpecRunner.kt

Source:SpecRunner.kt

...35   /**36    * Schedules all the tests in this spec.37    */38   protected suspend fun launch(spec: Spec, run: suspend (TestCase) -> Unit) {39      val rootTests = materializer.materialize(spec)40      logger.log { Pair(spec::class.bestName(), "Launching ${rootTests.size} root tests with launcher $scheduler") }41      scheduler.schedule(run, rootTests)42   }43   /**44    * Creates an instance of the supplied [Spec] by delegating to the project constructors,45    * and notifies the [TestEngineListener] of the instantiation event.46    */47   protected suspend fun createInstance(kclass: KClass<out Spec>): Result<Spec> =48      createAndInitializeSpec(kclass, configuration.registry)49}...

CompositeSpec.kt

Source:CompositeSpec.kt

1package io.kotest.core.spec2import io.kotest.core.factory.TestFactory3abstract class CompositeSpec(private vararg val factories: TestFactory) : Spec() {4   override fun rootTests(): List<RootTest> {5      return factories.flatMap { it.tests }6   }7}...

rootTests

Using AI Code Generation

1    fun test1() {2        rootTests().forEach { println(it.description.name) }3    }4    fun test2() {5        rootTests().forEach { println(it.description.name) }6    }7    fun test3() {8        rootTests().forEach { println(it.description.name) }9    }10    fun test4() {11        rootTests().forEach { println(it.description.name) }12    }13    fun test5() {14        rootTests().forEach { println(it.description.name) }15    }16    fun test6() {17        rootTests().forEach { println(it.description.name) }18    }19    fun test7() {20        rootTests().forEach { println(it.description.name) }21    }22    fun test8() {23        rootTests().forEach { println(it.description.name) }24    }25    fun test9() {26        rootTests().forEach { println(it.description.name) }27    }28    fun test10() {29        rootTests().forEach { println(it.description.name) }30    }31    fun test11() {32        rootTests().forEach { println(it.description.name) }33    }

rootTests

Using AI Code Generation

1 override   fun   rootTests ():   Sequence < Test >   { 2    return   sequence   { 3       yield ( test1 ) 4       yield ( test2 ) 5       yield ( test3 ) 6    } 7 }8 val   test1   =   "test1"   { 9    println ( "test1" ) 10 } 11 val   test2   =   "test2"   { 12    println ( "test2" ) 13 } 14 val   test3   =   "test3"   { 15    println ( "test3" ) 16 }

rootTests

Using AI Code Generation

1class MySpec : FunSpec({2rootTests {3test("my test") {4}5}6})7class MySpec : FunSpec({8test("my test") {9}10})11class MySpec : FunSpec({12test("my test") {13}14})15class MySpec : FunSpec({16test("my test") {17}18})19class MySpec : FunSpec({20test("my test") {21}22})23class MySpec : FunSpec({24test("my test") {25}26})27class MySpec : FunSpec({28test("my test") {29}30})31class MySpec : FunSpec({32test("my test") {33}34})

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