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

How to use selectorFn method of io.kotest.framework.discovery.DiscoveryResult class

Best Kotest code snippet using io.kotest.framework.discovery.DiscoveryResult.selectorFn

Discovery.kt

Source:Discovery.kt

...52   /**53    * Returns a function that applies all the [DiscoverySelector]s to a given class.54    * The class must pass any one selector to be included.55    */56   private fun selectorFn(selectors: List<DiscoverySelector>): (KClass<out Spec>) -> Boolean = { kclass ->57      selectors.isEmpty() || selectors.any { it.test(kclass) }58   }59   fun discover(request: DiscoveryRequest): DiscoveryResult =60      requests.getOrPut(request) { doDiscovery(request).getOrElse { DiscoveryResult.error(it) } }61//   /**62//    * Scans the classpaths for kotlin script files.63//    */64//   private fun discoverScripts(): List<KClass<out ScriptTemplateWithArgs>> {65//      log { "Discovery: Running script scan" }66//      return scanResult.value67//         .allClasses68//         .filter { it.extendsSuperclass(ScriptTemplateWithArgs::class.java.name) }69//         .map { it.load(false) }70//         .filter(isScript)71//         .filterIsInstance<KClass<out ScriptTemplateWithArgs>>()72//   }73   /**74    * Loads a class reference from a [ClassInfo].75    *76    * @param init false to avoid initializing the class77    */78   private fun ClassInfo.load(init: Boolean): KClass<out Any> =79      Class.forName(name, init, this::class.java.classLoader).kotlin80   private fun doDiscovery(request: DiscoveryRequest): Result<DiscoveryResult> = runCatching {81      val specClasses =82         if (request.onlySelectsSingleClasses()) loadSelectedSpecs(request) else fromClassPaths83      val filtered = specClasses84         .asSequence()85         .filter(selectorFn(request.selectors))86         .filter(filterFn(request.filters))87         // all classes must subclass one of the spec parents88         .filter(isSpecSubclassKt)89         // we don't want abstract classes90         .filterNot(isAbstract)91         .toList()92      log { "After filters there are ${filtered.size} spec classes" }93      log { "[Discovery] Further filtering classes via discovery extensions [$discoveryExtensions]" }94      val afterExtensions = discoveryExtensions95         .fold(filtered) { cl, ext -> ext.afterScan(cl) }96         .sortedBy { it.simpleName }97      log { "After discovery extensions there are ${afterExtensions.size} spec classes" }98      val scriptsEnabled = System.getProperty(KotestEngineProperties.scriptsEnabled) == "true" ||99         System.getenv(KotestEngineProperties.scriptsEnabled) == "true"...

selectorFn

Using AI Code Generation

1val selectorFn = DiscoveryResult::class.java.getDeclaredMethod("selectorFn")2val selector = selectorFn.invoke(discoveryResult) as Function1<TestCase, Boolean>3val testCases = discoveryResult.tests.filter { selector(it) }4println(testCases)5val filteredTestCases = discoveryResult.tests.filter { it.spec::class.filter(it) }6println(filteredTestCases)7val filteredTestCases = discoveryResult.tests.filter { FunSpec::class.filter(it) }8println(filteredTestCases)9val filteredTestCases = discoveryResult.tests.filter { DescribeSpec::class.filter(it) }10println(filteredTestCases)11val filteredTestCases = discoveryResult.tests.filter { BehaviorSpec::class.filter(it) }12println(filteredTestCases)13val filteredTestCases = discoveryResult.tests.filter { ExpectSpec::class.filter(it) }14println(filteredTestCases)15val filteredTestCases = discoveryResult.tests.filter { FeatureSpec::class.filter(it) }16println(filteredTestCases)17val filteredTestCases = discoveryResult.tests.filter { FreeSpec::class.filter(it) }18println(filteredTestCases)19val filteredTestCases = discoveryResult.tests.filter { FreeSpec::class.filter(it) }20println(filteredTestCases)21val filteredTestCases = discoveryResult.tests.filter { FreeSpec::class.filter(it) }22println(filteredTestCases)23val filteredTestCases = discoveryResult.tests.filter { FreeSpec::class.filter(it) }24println(filteredTestCases)25val filteredTestCases = discoveryResult.tests.filter { Free

selectorFn

Using AI Code Generation

1val discoveryResult = DiscoveryResult.discover()2val selectedSpecs = discoveryResult.selectorFn().select(DiscoverySelectorResolver(discoveryResult.specs))3val spec = selectedSpecs.first()4val specDiscovery = SpecDiscovery()5val selectedSpecs = specDiscovery.selectorFn().select(DiscoverySelectorResolver(listOf(spec)))6val selectedSpec = selectedSpecs.first()

selectorFn

Using AI Code Generation

1val discoveryResult = DiscoveryResult(DiscoverySelectorFn { it.selectors().filterIsInstance<DiscoverySelector>() })2val testEngine = TestEngine(discoveryResult, emptyList())3val listener = object : TestEngineListener {4override fun engineFinished(t: List<Throwable>) {5println("engineFinished: ${t.map { it.message }}")6}7override fun testFinished(testCase: TestCase, result: TestResult) {8println("testFinished: ${testCase.name} - ${result.status}")9}10override fun testIgnored(testCase: TestCase, reason: String?) {11println("testIgnored: ${testCase.name} - $reason")12}13override fun testStarted(testCase: TestCase) {14println("testStarted: ${testCase.name}")15}16}17testEngine.execute(listener)18}19}

selectorFn

Using AI Code Generation

1val discoveryResult = DiscoveryResult.fromSpecs(listOf(MyTest::class))2val selectorFn: (TestDescriptor) -> Boolean = { it.name == "test1" }3val selectedTests = discoveryResult.select(selectorFn)4selectedTests.run()5val discoveryResult = DiscoveryResult.fromSpecs(listOf(MyTest::class))6val selectorFn: (TestDescriptor) -> Boolean = { it.name == "test1" }7val selectedTests = discoveryResult.select(selectorFn)8selectedTests.run()9val discoveryResult = DiscoveryResult.fromSpecs(listOf(MyTest::class))10val selectorFn: (TestDescriptor) -> Boolean = { it.name == "test1" }11val selectedTests = discoveryResult.select(selectorFn)12selectedTests.run()13val discoveryResult = DiscoveryResult.fromSpecs(listOf(MyTest::class))14val selectorFn: (TestDescriptor) -> Boolean = { it.name == "test1" }15val selectedTests = discoveryResult.select(selectorFn)16selectedTests.run()17val discoveryResult = DiscoveryResult.fromSpecs(listOf(MyTest::class))18val selectorFn: (TestDescriptor) -> Boolean = { it.name == "test1" }19val selectedTests = discoveryResult.select(selectorFn)

selectorFn

Using AI Code Generation

1val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }2val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }3val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }4val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }5val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }6val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }7val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn( "test case name" ) filteredTests .forEach { println (it.description) }8val result = DiscoveryResult( MyTest ::class) val filteredTests = result.selectorFn

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.