How to use SpecWrapperExtension class of io.kotest.engine.extensions package

Best Kotest code snippet using io.kotest.engine.extensions.SpecWrapperExtension

SpecWrapperExtension.kt

Source:SpecWrapperExtension.kt

...20import kotlin.reflect.KClass21/**22 * Wraps another extension, delegating spec extensions only for the specified spec.23 */24internal class SpecWrapperExtension(25   val delegate: Extension,26   val target: KClass<*>27) : SpecInstantiationListener,28   InstantiationErrorListener,29   SpecExtension,30   IgnoredSpecListener,31   AfterSpecListener,32   BeforeSpecListener,33   PrepareSpecListener,34   FinalizeSpecListener,35   BeforeTestListener,36   AfterTestListener,37   BeforeEachListener,38   AfterEachListener,...

ApplyExtensionsInterceptorTest.kt

Source:ApplyExtensionsInterceptorTest.kt

...3import io.kotest.core.extensions.ApplyExtension4import io.kotest.core.extensions.Extension5import io.kotest.core.spec.SpecRef6import io.kotest.core.spec.style.FunSpec7import io.kotest.engine.extensions.SpecWrapperExtension8import io.kotest.engine.spec.interceptor.ApplyExtensionsInterceptor9import io.kotest.matchers.types.shouldBeInstanceOf10class ApplyExtensionsInterceptorTest : FunSpec() {11   init {12      test("ApplyExtensionsInterceptor should apply extensions") {13         val registry = DefaultExtensionRegistry()14         ApplyExtensionsInterceptor(registry)15            .intercept(SpecRef.Reference(MyAnnotatedSpec::class)) {16               val wrapper = registry.all().single() as SpecWrapperExtension17               wrapper.delegate.shouldBeInstanceOf<Foo>()18               Result.success(emptyMap())19            }20      }21      test("ApplyExtensionsInterceptor should apply extensions where the primary constructor is not no-args") {22         val registry = DefaultExtensionRegistry()23         ApplyExtensionsInterceptor(registry)24            .intercept(SpecRef.Reference(MyAnnotatedSpec2::class)) {25               val wrapper = registry.all().single() as SpecWrapperExtension26               wrapper.delegate.shouldBeInstanceOf<Bar>()27               Result.success(emptyMap())28            }29      }30   }31}32class Foo : Extension33class Bar(private val name: String) : Extension {34   constructor() : this("bar")35}36@ApplyExtension(Foo::class)37private class MyAnnotatedSpec : FunSpec()38@ApplyExtension(Bar::class)39private class MyAnnotatedSpec2 : FunSpec()...

ApplyExtensionsInterceptor.kt

Source:ApplyExtensionsInterceptor.kt

...5import io.kotest.core.extensions.wrapper6import io.kotest.core.spec.SpecRef7import io.kotest.core.test.TestCase8import io.kotest.core.test.TestResult9import io.kotest.engine.extensions.SpecWrapperExtension10import io.kotest.mpp.annotation11import io.kotest.mpp.newInstanceNoArgConstructorOrObjectInstance12/**13 * If the spec is annotated with the [ApplyExtension] annotation, registers any extensions14 * returned by that annotation.15 *16 * Each extension will be wrapped so that it only executes for that spec.17 *18 * Note: annotations are only available on the JVM.19 */20internal class ApplyExtensionsInterceptor(private val registry: ExtensionRegistry) : SpecRefInterceptor {21   override suspend fun intercept(22      ref: SpecRef,23      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>24   ): Result<Map<TestCase, TestResult>> {25      return runCatching {26         ref.kclass.annotation<ApplyExtension>()?.wrapper?.map { extensionClass ->27            val extension = extensionClass.newInstanceNoArgConstructorOrObjectInstance()28            SpecWrapperExtension(extension, ref.kclass)29         } ?: emptyList()30      }.flatMap { exts ->31         exts.forEach { registry.add(it) }32         fn(ref).apply {33            exts.forEach { registry.remove(it) }34         }35      }36   }37}...

SpecWrapperExtension

Using AI Code Generation

1val spec = object : FunSpec() {2override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))3}4val spec = object : FunSpec() {5override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))6}7val spec = object : FunSpec() {8override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))9}10val spec = object : FunSpec() {11override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))12}13val spec = object : FunSpec() {14override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))15}16val spec = object : FunSpec() {17override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))18}19val spec = object : FunSpec() {20override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))21}22val spec = object : FunSpec() {23override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))24}25val spec = object : FunSpec() {26override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))27}28val spec = object : FunSpec() {

SpecWrapperExtension

Using AI Code Generation

1class MySpec : FunSpec() {2  override fun eExensions() =tlistOfeSpecWrapperExtensionn{ spec, _ ->3    MySpecWrapper(spec)4  })5}6class MySpecWrapper(val spec: FunSpec) : FunSpec() M7  cverriWr fun name() = spec.name()8  override fun tags() = spec.tags()9  override fun testCases() = spec.testCases()10  override fun listeners() = spec.listeners()11  override fun isInstancePerTest() = spec.isInstancePerTest()12  val myDependency = MyDependency()13  override fun listeners() = listOf(MyListener())14}15class MyListener : TestListener {16  override suspend fun afterSpec(spec: Spec) {17    val myDependency = (spec as MySpecWrapper).myDependency18    myDependency.doSomething()19  }20}21class MyDependency {22  fun doSomething() = println("hello from MyDependency")23}24class MySpec : FunSpec() {25  init {26    test("some test") {27    }28  }29}30class MySpec : FunSpec() {31  override fun extensions() = listOf(TestCaseExtension { testCase, _ ->

SpecWrapperExtension

Using AI Code Generation

1}2val spec = object : FunSpec() {3override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))4}5val spec = object : FunSpec() {6override fun extensions() = listOf(SpecWrapperExtension(::MySpecWrapper))7}

SpecWrapperExtension

Using AI Code Generation

1class MySpec : FunSpec() {2  override fun extensions() = listOf(SpecWrapperExtension { spec, _ ->3    MySpecWrapper(spec)4  })5}6class MySpecWrapper(val spec: FunSpec) : FunSpec() {7  override fun name() = spec.name()8  override fun tags() = spec.tags()9  override fun testCases() = spec.testCases()10  override fun listeners() = spec.listeners()11  override fun isInstancePerTest() = spec.isInstancePerTest()12  val myDependency = MyDependency()13  override fun listeners() = listOf(MyListener())14}15class MyListener : TestListener {16  override suspend fun afterSpec(spec: Spec) {17    val myDependency = (spec as MySpecWrapper).myDependency18    myDependency.doSomething()19  }20}21class MyDependency {22  fun doSomething() = println("hello from MyDependency")23}24class MySpec : FunSpec() {25  init {26    test("some test") {27    }28  }29}30class MySpec : FunSpec() {31  override fun extensions() = listOf(TestCaseExtension { testCase, _ ->

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