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How to use ConstructorExtension class of io.kotest.core.extensions package

Best Kotest code snippet using io.kotest.core.extensions.ConstructorExtension

MicronautKotestExtension.kt

Source:MicronautKotestExtension.kt

...13 * See the License for the specific language governing permissions and14 * limitations under the License.15 */16package io.micronaut.test.extensions.kotest17import io.kotest.core.extensions.ConstructorExtension18import io.kotest.core.extensions.TestCaseExtension19import io.kotest.core.listeners.TestListener20import io.kotest.core.spec.Spec21import io.kotest.core.test.TestCase22import io.kotest.core.test.TestResult23import io.micronaut.aop.InterceptedProxy24import io.micronaut.test.annotation.AnnotationUtils25import io.micronaut.test.annotation.MicronautTestValue26import io.micronaut.test.extensions.kotest.annotation.MicronautTest27import kotlin.reflect.KClass28import kotlin.reflect.full.primaryConstructor29object MicronautKotestExtension: TestListener, ConstructorExtension, TestCaseExtension {30    override suspend fun intercept(31        testCase: TestCase,32        execute: suspend (TestCase) -> TestResult33    ): TestResult {34        val context = contexts[testCase.spec.javaClass.name]35        return if(context != null && context.getSpecDefinition() == null) {36            // It's a MicronautTest test where the bean doesn't exist37            TestResult.Ignored38        } else {39            // Not a MicronautTest test or the bean exists40            execute(testCase)41        }42    }43    val contexts: MutableMap<String, MicronautKotestContext> = mutableMapOf()...

MicronautKotest5Extension.kt

Source:MicronautKotest5Extension.kt

...13 * See the License for the specific language governing permissions and14 * limitations under the License.15 */16package io.micronaut.test.extensions.kotest517import io.kotest.core.extensions.ConstructorExtension18import io.kotest.core.extensions.TestCaseExtension19import io.kotest.core.listeners.TestListener20import io.kotest.core.spec.Spec21import io.kotest.core.test.TestCase22import io.kotest.core.test.TestResult23import io.micronaut.aop.InterceptedProxy24import io.micronaut.test.annotation.MicronautTestValue25import io.micronaut.test.extensions.kotest5.annotation.MicronautTest26import kotlin.reflect.KClass27import kotlin.reflect.full.primaryConstructor28object MicronautKotest5Extension: TestListener, ConstructorExtension, TestCaseExtension {29    override suspend fun intercept(30        testCase: TestCase,31        execute: suspend (TestCase) -> TestResult32    ): TestResult {33        val context = contexts[testCase.spec.javaClass.name]34        return if(context != null && context.getSpecDefinition() == null) {35            // It's a MicronautTest test where the bean doesn't exist36            TestResult.Ignored37        } else {38            // Not a MicronautTest test or the bean exists39            execute(testCase)40        }41    }42    val contexts: MutableMap<String, MicronautKotest5Context> = mutableMapOf()...

RobolectricExtension.kt

Source:RobolectricExtension.kt

1package io.kotest.extensions.robolectric2import android.app.Application3import io.kotest.core.extensions.ConstructorExtension4import io.kotest.core.extensions.SpecExtension5import io.kotest.core.spec.AutoScan6import io.kotest.core.spec.Spec7import org.robolectric.annotation.Config8import kotlin.reflect.KClass9import kotlin.reflect.full.findAnnotation10@AutoScan11internal class RobolectricExtension : ConstructorExtension, SpecExtension {12   private fun Class<*>.getParentClass(): List<Class<*>> {13      if (superclass == null) return listOf()14      return listOf(superclass) + superclass.getParentClass()15   }16   private fun KClass<*>.getConfig(): Config {17      val annotations = listOf(this.java).plus(this.java.getParentClass())18         .mapNotNull { it.kotlin.findAnnotation<RobolectricTest>() }19         .asSequence()20      val application: KClass<out Application>? = annotations21         .firstOrNull { it.application != KotestDefaultApplication::class }?.application22      val sdk: Int? = annotations.firstOrNull { it.sdk != -1 }?.takeUnless { it.sdk == -1 }?.sdk23      return Config.Builder()24         .also { builder ->25            if (application != null) {...

RobolectricTestCaseExtension.kt

Source:RobolectricTestCaseExtension.kt

1package net.syarihu.android.junit5_sample2import io.kotest.core.extensions.ConstructorExtension3import io.kotest.core.extensions.SpecExtension4import io.kotest.core.extensions.TestCaseExtension5import io.kotest.core.spec.Spec6import io.kotest.core.test.TestCase7import io.kotest.core.test.TestResult8import io.kotest.core.test.TestType9import io.kotest.extensions.robolectric.ContainedRobolectricRunner10import io.kotest.extensions.robolectric.RobolectricTest11import kotlin.reflect.KClass12import kotlin.reflect.full.findAnnotation13/**14 * Original:15 * https://github.com/kotest/kotest/blob/master/kotest-extensions/kotest-extensions-robolectric/src/jvmMain/kotlin/io/kotest/extensions/robolectric/RobolectricExtension.kt16 */17class RobolectricTestCaseExtension : ConstructorExtension, TestCaseExtension {18    private val containedRobolectricRunner = ContainedRobolectricRunner()19    override fun <T : Spec> instantiate(clazz: KClass<T>): Spec? {20        if (clazz.isNotRobolectricClass()) return null21        return containedRobolectricRunner.sdkEnvironment.bootstrappedClass<Spec>(clazz.java)22            .newInstance()23    }24    private fun <T : Spec> KClass<T>.isNotRobolectricClass() =25        findAnnotation<RobolectricTest>() == null26    override suspend fun intercept(27        testCase: TestCase,28        execute: suspend (TestCase) -> TestResult29    ): TestResult {30        if (testCase.spec::class.isNotRobolectricClass()) {31            return execute(testCase)...

instantiateSpec.kt

Source:instantiateSpec.kt

1package io.kotest.engine.spec2import io.kotest.core.config.ExtensionRegistry3import io.kotest.core.extensions.ConstructorExtension4import io.kotest.core.extensions.PostInstantiationExtension5import io.kotest.core.spec.Spec6import kotlin.reflect.KClass7import kotlin.reflect.jvm.isAccessible8internal actual suspend fun instantiate(kclass: KClass<*>, registry: ExtensionRegistry): Result<Spec> {9   return createAndInitializeSpec(kclass as KClass<out Spec>, registry)10}11/**12 * Creates an instance of a [Spec] by delegating to [ConstructorExtension], with13 * a fallback to a reflection based zero-args constructor.14 *15 * If the [kclass] represents an object, then the singleton object instance will be returned.16 *17 * After creation any [PostInstantiationExtension]s will be invoked.18 */19suspend fun <T : Spec> createAndInitializeSpec(kclass: KClass<T>, registry: ExtensionRegistry): Result<Spec> {20   return when (val obj = kclass.objectInstance) {21      null -> runCatching {22         val initial: Spec? = null23         val spec = registry24            .all()25            .filterIsInstance<ConstructorExtension>()26            .fold(initial) { spec, ext -> spec ?: ext.instantiate(kclass) } ?: javaReflectNewInstance(kclass)27         registry28            .all()29            .filterIsInstance<PostInstantiationExtension>()30            .fold(spec) { acc, ext -> ext.instantiated(acc) }31      }32      else -> Result.success(obj)33   }.onSuccess { spec ->34      spec.globalExtensions().forEach { registry.add(it) }35   }36}37internal fun <T : Spec> javaReflectNewInstance(clazz: KClass<T>): Spec {38   try {39      val constructor = clazz.constructors.find { it.parameters.isEmpty() }...

RobolectricSpecExtension.kt

Source:RobolectricSpecExtension.kt

1package net.syarihu.android.kotest2import io.kotest.core.extensions.ConstructorExtension3import io.kotest.core.extensions.SpecExtension4import io.kotest.core.spec.Spec5import io.kotest.extensions.robolectric.ContainedRobolectricRunner6import io.kotest.extensions.robolectric.RobolectricTest7import kotlin.reflect.KClass8import kotlin.reflect.full.findAnnotation9/**10 * Original:11 * https://github.com/kotest/kotest/blob/master/kotest-extensions/kotest-extensions-robolectric/src/jvmMain/kotlin/io/kotest/extensions/robolectric/RobolectricExtension.kt12 */13class RobolectricSpecExtension : ConstructorExtension, SpecExtension {14    private val containedRobolectricRunner = ContainedRobolectricRunner()15    override fun <T : Spec> instantiate(clazz: KClass<T>): Spec? {16        if (clazz.isNotRobolectricClass()) return null17        return containedRobolectricRunner.sdkEnvironment.bootstrappedClass<Spec>(clazz.java)18            .newInstance()19    }20    private fun <T : Spec> KClass<T>.isNotRobolectricClass() =21        findAnnotation<RobolectricTest>() == null22    override suspend fun intercept(spec: KClass<out Spec>, process: suspend () -> Unit) {23        if (spec.isNotRobolectricClass()) {24            process()25            return26        }27        val containedRobolectricRunner = ContainedRobolectricRunner()...

SpringAutowireConstructorExtension.kt

Source:SpringAutowireConstructorExtension.kt

1package io.kotest.extensions.spring2import io.kotest.core.annotation.AutoScan3import io.kotest.core.extensions.ConstructorExtension4import io.kotest.core.spec.Spec5import org.springframework.beans.factory.config.AutowireCapableBeanFactory6import org.springframework.test.context.TestContextManager7import kotlin.reflect.KClass8import kotlin.reflect.full.primaryConstructor9/**10 * A [ConstructorExtension] which will attempt to instantiate test classes if they have a11 * non-zero arg constructor.12 *13 * The extension will delegate to spring's [TestContextManager] to autowire the constructors.14 */15@AutoScan16object SpringAutowireConstructorExtension : ConstructorExtension {17   override fun <T : Spec> instantiate(clazz: KClass<T>): Spec? {18      // we only instantiate via spring if there's actually parameters in the constructor19      // otherwise there's nothing to inject there20      val constructor = clazz.primaryConstructor21      return if (constructor == null || constructor.parameters.isEmpty()) {22         null23      } else {24         val manager = TestContextManager(clazz.java)25         val context = manager.testContext.applicationContext26         context.autowireCapableBeanFactory.autowire(27            clazz.java,28            AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR, true29         ) as Spec30      }...

ConstructorExtensionTest.kt

Source:ConstructorExtensionTest.kt

1package com.sksamuel.kotest.engine.spec2import io.kotest.core.config.ProjectConfiguration3import io.kotest.core.extensions.ConstructorExtension4import io.kotest.core.spec.Spec5import io.kotest.core.spec.style.FunSpec6import io.kotest.engine.TestEngineLauncher7import io.kotest.engine.listener.CollectingTestEngineListener8import io.kotest.matchers.shouldBe9import kotlin.reflect.KClass10class ConstructorExtensionTest : FunSpec() {11   init {12      val c = ProjectConfiguration()13      c.registry.add(ErroringConstructorExtension())14      val collector = CollectingTestEngineListener()15      TestEngineLauncher(collector)16         .withClasses(Dummy::class)17         .withConfiguration(c)18         .launch()19      collector.specs[Dummy::class]!!.errorOrNull shouldBe IllegalStateException("THWACK!")20   }21}22private class Dummy : FunSpec() {23   init {24      test("a") {}25   }26}27private class ErroringConstructorExtension : ConstructorExtension {28   override fun <T : Spec> instantiate(clazz: KClass<T>): Spec? {29      error("THWACK!")30   }31}...

ConstructorExtension

Using AI Code Generation

1     extensions(2     ConstructorExtension()3     listeners(4     TestListener()5     extensions(6     TestExtension()7     listeners(8     TestListener()9     extensions(10     TestExtension()11     listeners(12     TestListener()13     extensions(14     TestExtension()15     listeners(16     TestListener()17     extensions(18     TestExtension()19     listeners(20     TestListener()21     extensions(22     TestExtension()23     listeners(24     TestListener()25     extensions(26     TestExtension()

ConstructorExtension

Using AI Code Generation

1class MyTest : FunSpec() {2    override fun extensions(): List<Extension> = listOf(ConstructorExtension(::MyTest))3    init {4        test("test1") {5        }6        test("test2") {7        }8    }9}10class MyTest : FunSpec() {11    override fun extensions(): List<Extension> = listOf(TestInstancePerTestExtension(::MyTest))12    init {13        test("test1") {14        }15        test("test2") {16        }17    }18}19class MyTest : FunSpec() {20    override fun extensions(): List<Extension> = listOf(TestInstancePerLeafExtension(::MyTest))21    init {22        context("context1") {23            test("test1") {24            }25            test("test2") {26            }27        }28        context("context2") {29            test("test3") {30            }31            test("test4") {32            }33        }34    }35}36class MyTest : FunSpec() {37    override fun extensions(): List<

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