How to use coroutineDispatcherFactoryInterceptor method of io.kotest.engine.test.interceptors.coroutineDispatcherFactoryInterceptor class

Best Kotest code snippet using io.kotest.engine.test.interceptors.coroutineDispatcherFactoryInterceptor.coroutineDispatcherFactoryInterceptor

TestCaseExecutor.kt

Source:TestCaseExecutor.kt Github

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...24import io.kotest.engine.test.interceptors.TestFinishedInterceptor25import io.kotest.engine.test.interceptors.TestPathContextInterceptor26import io.kotest.engine.test.interceptors.TimeoutInterceptor27import io.kotest.engine.test.interceptors.blockedThreadTimeoutInterceptor28import io.kotest.engine.test.interceptors.coroutineDispatcherFactoryInterceptor29import io.kotest.engine.test.interceptors.coroutineErrorCollectorInterceptor30import io.kotest.mpp.Logger31import kotlin.time.Duration32import kotlin.time.TimeSource33/**34 * Executes a single [TestCase].35 *36 * Uses a [TestCaseExecutionListener] to notify callers of events in the test lifecycle.37 *38 */39@OptIn(ExperimentalKotest::class)40class TestCaseExecutor(41 private val listener: TestCaseExecutionListener,42 private val defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory = NoopCoroutineDispatcherFactory,43 private val configuration: ProjectConfiguration,44) {45 private val logger = Logger(TestCaseExecutor::class)46 suspend fun execute(testCase: TestCase, testScope: TestScope): TestResult {47 val timeMark = TimeSource.Monotonic.markNow()48 val interceptors = listOfNotNull(49 TestPathContextInterceptor,50 TestFinishedInterceptor(listener),51 InvocationCountCheckInterceptor,52 SupervisorScopeInterceptor,53 if (platform == Platform.JVM) coroutineDispatcherFactoryInterceptor(defaultCoroutineDispatcherFactory) else null,54 if (platform == Platform.JVM) coroutineErrorCollectorInterceptor() else null,55 TestCaseExtensionInterceptor(configuration.registry),56 EnabledCheckInterceptor(configuration),57 LifecycleInterceptor(listener, timeMark, configuration.registry),58 AssertionModeInterceptor,59 SoftAssertInterceptor(),60 CoroutineLoggingInterceptor(configuration),61 if (platform == Platform.JVM) blockedThreadTimeoutInterceptor(configuration, timeMark) else null,62 TimeoutInterceptor(timeMark),63 TestInvocationInterceptor(configuration.registry, timeMark),64 InvocationTimeoutInterceptor,65 if (platform == Platform.JVM && testCase.config.testCoroutineDispatcher) TestDispatcherInterceptor() else null,66 if (platform == Platform.JVM && testCase.config.coroutineTestScope) TestCoroutineInterceptor() else null,67 CoroutineDebugProbeInterceptor,...

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coroutineDispatcherFactoryInterceptor.kt

Source:coroutineDispatcherFactoryInterceptor.kt Github

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...10import kotlinx.coroutines.test.TestCoroutineDispatcher11import kotlinx.coroutines.test.TestDispatcher12import kotlin.coroutines.coroutineContext13@ExperimentalStdlibApi14internal actual fun coroutineDispatcherFactoryInterceptor(15 defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory16): TestExecutionInterceptor = CoroutineDispatcherFactoryInterceptor(defaultCoroutineDispatcherFactory)17/**18 * Switches execution onto a dispatcher provided by a [CoroutineDispatcherFactory].19 *20 * If the coroutine is an instance of [TestDispatcher] then the coroutine will not be changed.21 */22@ExperimentalStdlibApi23internal class CoroutineDispatcherFactoryInterceptor(24 private val defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory25) : TestExecutionInterceptor {26 private val logger = Logger(CoroutineDispatcherFactoryInterceptor::class)27 override suspend fun intercept(28 testCase: TestCase,...

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CoroutineDispatcherInterceptorTest.kt

Source:CoroutineDispatcherInterceptorTest.kt Github

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1package com.sksamuel.kotest.engine.test.interceptors2import io.kotest.core.concurrency.CoroutineDispatcherFactory3import io.kotest.core.descriptors.append4import io.kotest.core.descriptors.toDescriptor5import io.kotest.core.names.TestName6import io.kotest.core.source.sourceRef7import io.kotest.core.spec.style.DescribeSpec8import io.kotest.core.test.TestCase9import io.kotest.core.test.TestResult10import io.kotest.core.test.TestType11import io.kotest.engine.test.interceptors.CoroutineDispatcherFactoryInterceptor12import io.kotest.engine.test.scopes.NoopTestScope13import io.kotest.matchers.string.shouldStartWith14import kotlinx.coroutines.asCoroutineDispatcher15import kotlinx.coroutines.withContext16import java.util.concurrent.Executors17import kotlin.time.Duration.Companion.milliseconds18@ExperimentalStdlibApi19class CoroutineDispatcherInterceptorTest : DescribeSpec() {20 init {21 describe("CoroutineDispatcherInterceptor") {22 it("should dispatch to coroutineDispatcher") {23 val tc = TestCase(24 InvocationCountCheckInterceptorTest::class.toDescriptor().append("foo"),25 TestName("foo"),26 InvocationCountCheckInterceptorTest(),27 {},28 sourceRef(),29 TestType.Container,30 )31 val controller = object : CoroutineDispatcherFactory {32 override suspend fun <T> withDispatcher(testCase: TestCase, f: suspend () -> T): T {33 val executor = Executors.newSingleThreadExecutor {34 val t = Thread(it)35 t.name = "foo"36 t37 }38 return withContext(executor.asCoroutineDispatcher()) {39 f()40 }41 }42 }43 CoroutineDispatcherFactoryInterceptor(controller).intercept(44 tc,45 NoopTestScope(tc, coroutineContext)46 ) { _, _ ->47 Thread.currentThread().name.shouldStartWith("foo")48 TestResult.Success(0.milliseconds)49 }50 }51 }52 }53}...

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interceptors.kt

Source:interceptors.kt Github

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2import io.kotest.common.platform3import io.kotest.core.concurrency.CoroutineDispatcherFactory4import io.kotest.core.config.ProjectConfiguration5import kotlin.time.TimeMark6internal actual fun coroutineDispatcherFactoryInterceptor(7 defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory8): TestExecutionInterceptor = error("Unsupported on $platform")9internal actual fun blockedThreadTimeoutInterceptor(10 configuration: ProjectConfiguration,11 start: TimeMark,12): TestExecutionInterceptor = error("Unsupported on $platform")13internal actual fun coroutineErrorCollectorInterceptor(): TestExecutionInterceptor =14 error("Unsupported on $platform")...

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