TestMu Conference is Back! Future of Testing + AIRegister for Free

How to use createSpecExecutorDelegate class of io.kotest.engine.spec package

Best Kotest code snippet using io.kotest.engine.spec.createSpecExecutorDelegate

SpecExecutor.kt

Source:SpecExecutor.kt

...89         ConfigurationInContextInterceptor(context.configuration),90      )91      val initial: suspend (Spec) -> Result<Map<TestCase, TestResult>> = {92         try {93            val delegate = createSpecExecutorDelegate(listener, defaultCoroutineDispatcherFactory, context.configuration)94            logger.log { Pair(spec::class.bestName(), "delegate=$delegate") }95            Result.success(delegate.execute(spec))96         } catch (t: Throwable) {97            logger.log { Pair(spec::class.bestName(), "Error executing spec $t") }98            Result.failure(t)99         }100      }101      logger.log { Pair(spec::class.bestName(), "Executing ${interceptors.size} spec interceptors") }102      return interceptors.foldRight(initial) { ext, fn ->103         { spec -> ext.intercept(spec, fn) }104      }.invoke(spec)105   }106   /**107    * Creates an instance of the given [SpecRef], notifies users of the instantiation event108    * or instantiation failure, and returns a Result with the error or spec.109    *110    * After this method is called the spec is sealed.111    */112   private suspend fun createInstance(ref: SpecRef): Result<Spec> =113      ref.instance(context.configuration.registry)114         .onFailure { extensions.specInstantiationError(ref.kclass, it) }115         .flatMap { spec -> extensions.specInstantiated(spec).map { spec } }116         .onSuccess { if (it is DslDrivenSpec) it.seal() }117}118interface SpecExecutorDelegate {119   suspend fun execute(spec: Spec): Map<TestCase, TestResult>120}121@ExperimentalKotest122internal expect fun createSpecExecutorDelegate(123   listener: TestEngineListener,124   defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory,125   configuration: ProjectConfiguration,126): SpecExecutorDelegate...

createSpecExecutorDelegate.kt

Source:createSpecExecutorDelegate.kt

...12import io.kotest.engine.test.listener.TestCaseExecutionListenerToTestEngineListenerAdapter13import io.kotest.mpp.log14import kotlin.coroutines.coroutineContext15@ExperimentalKotest16internal actual fun createSpecExecutorDelegate(17   listener: TestEngineListener,18   defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory,19   configuration: ProjectConfiguration,20): SpecExecutorDelegate =21   DefaultSpecExecutorDelegate(listener, defaultCoroutineDispatcherFactory, configuration)22/**23 * A [SpecExecutorDelegate] that executes tests sequentially, using the calling thread24 * as the execution context for timeouts.25 */26@ExperimentalKotest27internal class DefaultSpecExecutorDelegate(28   private val listener: TestEngineListener,29   private val coroutineDispatcherFactory: CoroutineDispatcherFactory,30   private val configuration: ProjectConfiguration...

createSpecExecutorDelegate

Using AI Code Generation

1    val specExecutorDelegate = createSpecExecutorDelegate(spec, listener)2    specExecutorDelegate.execute()3}4fun main() {5    executeSpec(SampleSpec())6}7fun main() {8    executeSpec(SampleSpec())9}10fun main() {11    executeSpec(SampleSpec())12}13fun main() {14    executeSpec(SampleSpec())15}

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.