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How to use extensions method of io.kotest.engine.spec.SpecExtensions class

Best Kotest code snippet using io.kotest.engine.spec.SpecExtensions.extensions

IgnoreNestedSpecStylesInterceptor.kt

Source:IgnoreNestedSpecStylesInterceptor.kt

...19internal class IgnoreNestedSpecStylesInterceptor(20   private val listener: TestEngineListener,21   registry: ExtensionRegistry,22) : SpecInterceptor {23   private val extensions = SpecExtensions(registry)24   override suspend fun intercept(25      spec: Spec,26      fn: suspend (Spec) -> Result<Map<TestCase, TestResult>>27   ): Result<Map<TestCase, TestResult>> {28      fun isValid(spec: Spec) = when (spec) {29         is FunSpec, is ExpectSpec, is FeatureSpec, is ShouldSpec, is StringSpec -> true30         else -> false31      }32      return if (isValid(spec)) {33         fn(spec)34      } else {35         log { "IgnoreNestedSpecStylesInterceptor: Marking ${spec::class.bestName()} as inactive due to platform limitations" }36         println("WARN: kotest-js only supports top level tests due to underlying platform limitations. '${spec::class.bestName()}' has been marked as ignored")37         runCatching { listener.specIgnored(spec::class, "Disabled due to platform limitations") }38            .flatMap { extensions.ignored(spec::class, "Disabled due to platform limitations") }39            .map { emptyMap() }40      }41   }42}...

EnabledIfSpecInterceptor.kt

Source:EnabledIfSpecInterceptor.kt

...19internal class EnabledIfSpecInterceptor(20   private val listener: TestEngineListener,21   registry: ExtensionRegistry,22) : SpecRefInterceptor {23   private val extensions = SpecExtensions(registry)24   override suspend fun intercept(25      ref: SpecRef,26      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>27   ): Result<Map<TestCase, TestResult>> {28      val enabled = ref.kclass29         .annotation<EnabledIf>()30         ?.wrapper31         ?.newInstanceNoArgConstructor()32         ?.enabled(ref.kclass) ?: true33      return if (enabled) {34         fn(ref)35      } else {36         runCatching { listener.specIgnored(ref.kclass, "Disabled by @EnabledIf") }37            .flatMap { extensions.ignored(ref.kclass, "Disabled by @EnabledIf") }38            .map { emptyMap() }39      }40   }41}...

SpecFilterInterceptor.kt

Source:SpecFilterInterceptor.kt

...15class SpecFilterInterceptor(16   private val listener: TestEngineListener,17   private val registry: ExtensionRegistry18) : SpecRefInterceptor {19   private val extensions = SpecExtensions(registry)20   private val logger = Logger(SpecFilterInterceptor::class)21   override suspend fun intercept(22      ref: SpecRef,23      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>24   ): Result<Map<TestCase, TestResult>> {25      val excluded = registry.all().filterIsInstance<SpecFilter>().mapNotNull {26         val result = it.filter(ref.kclass)27         if (result is SpecFilterResult.Exclude) result else null28      }.firstOrNull()29      logger.log { Pair(ref.kclass.bestName(), "excludedByFilters == $excluded") }30      return if (excluded == null) {31         fn(ref)32      } else {33         val reason = excluded.reason ?: "Disabled by spec filter"34         listener.specIgnored(ref.kclass, reason)35         extensions.ignored(ref.kclass, reason)36         Result.success(emptyMap())37      }38   }39}...

IgnoredSpecInterceptor.kt

Source:IgnoredSpecInterceptor.kt

...20   private val listener: TestEngineListener,21   registry: ExtensionRegistry,22) : SpecRefInterceptor {23   private val logger = Logger(IgnoredSpecInterceptor::class)24   private val extensions = SpecExtensions(registry)25   override suspend fun intercept(26      ref: SpecRef,27      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>28   ): Result<Map<TestCase, TestResult>> {29      val isIgnored = ref.kclass.hasAnnotation<Ignored>()30      logger.log { Pair(ref.kclass.bestName(), "@Ignored == $isIgnored") }31      return if (isIgnored) {32         runCatching { listener.specIgnored(ref.kclass, "Disabled by @Ignored") }33            .flatMap { extensions.ignored(ref.kclass, "Disabled by @Ignored") }34            .map { emptyMap() }35      } else {36         fn(ref)37      }38   }39}...

TagsExcludedDiscoveryExtension.kt

Source:TagsExcludedDiscoveryExtension.kt

...17class TagsExcludedSpecInterceptor(18   private val listener: TestEngineListener,19   private val conf: ProjectConfiguration,20) : SpecRefInterceptor {21   private val extensions = SpecExtensions(conf.registry)22   override suspend fun intercept(23      ref: SpecRef,24      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>25   ): Result<Map<TestCase, TestResult>> {26      val potentiallyActive = conf.runtimeTags().parse().isPotentiallyActive(ref.kclass)27      return if (potentiallyActive) {28         fn(ref)29      } else {30         runCatching { listener.specIgnored(ref.kclass, null) }31            .flatMap { extensions.ignored(ref.kclass, "Skipped by tags") }32            .map { emptyMap() }33      }34   }35}...

SpecExtensionInterceptor.kt

Source:SpecExtensionInterceptor.kt

1package io.kotest.engine.spec.interceptor2import io.kotest.core.config.ExtensionRegistry3import io.kotest.core.extensions.SpecExtension4import io.kotest.core.spec.Spec5import io.kotest.core.test.TestCase6import io.kotest.core.test.TestResult7import io.kotest.engine.spec.SpecExtensions8/**9 * A [SpecInterceptor] that executes all [SpecExtension]s.10 */11internal class SpecExtensionInterceptor(registry: ExtensionRegistry) : SpecInterceptor {12   val extensions = SpecExtensions(registry)13   override suspend fun intercept(14      spec: Spec,15      fn: suspend (Spec) -> Result<Map<TestCase, TestResult>>16   ): Result<Map<TestCase, TestResult>> {17      return extensions.intercept(spec) { fn(spec) } ?: Result.success(emptyMap())18   }19}...

FinalizeSpecInterceptor.kt

Source:FinalizeSpecInterceptor.kt

...6import io.kotest.engine.spec.SpecExtensions7internal class FinalizeSpecInterceptor(8   registry: ExtensionRegistry,9) : SpecRefInterceptor {10   private val extensions = SpecExtensions(registry)11   override suspend fun intercept(12      ref: SpecRef,13      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>14   ): Result<Map<TestCase, TestResult>> {15      return fn(ref)16         .onSuccess { extensions.finalizeSpec(ref.kclass, it, null) }17         .onFailure { extensions.finalizeSpec(ref.kclass, emptyMap(), it) }18   }19}...

PrepareSpecInterceptor.kt

Source:PrepareSpecInterceptor.kt

...5import io.kotest.core.test.TestCase6import io.kotest.core.test.TestResult7import io.kotest.engine.spec.SpecExtensions8class PrepareSpecInterceptor(registry: ExtensionRegistry) : SpecRefInterceptor {9   private val extensions = SpecExtensions(registry)10   override suspend fun intercept(11      ref: SpecRef,12      fn: suspend (SpecRef) -> Result<Map<TestCase, TestResult>>,13   ): Result<Map<TestCase, TestResult>> {14      return extensions15         .prepareSpec(ref.kclass)16         .flatMap { fn(ref) }17   }18}...

extensions

Using AI Code Generation

1import io.kotest.core.extensions.SpecExtension2import io.kotest.core.spec.style.StringSpec3import io.kotest.engine.spec.SpecExtensions4import io.kotest.matchers.shouldBe5class MySpec : StringSpec({6"test" {7}8})9fun main() {10val spec = MySpec()11val extensions = SpecExtensions()12extensions.add(SpecExtension { println("before spec") })13extensions.add(SpecExtension { println("after spec") })14extensions.beforeSpec(spec)15extensions.afterSpec(spec)16}

extensions

Using AI Code Generation

1    extensions(2        MyExtension()3    ) {4    }5}6class MySpec : FunSpec() {7    init {8        extensions(9            MyExtension()10        test("test 1") {11        }12        test("test 2") {13        }14    }15}16class MyProject : ProjectConfig() {17    override fun extensions() = listOf(MyExtension())18}19class MySpec : FunSpec({20    test("test 1").config(extensions = listOf(MyExtension())) {21    }22})23class MySpec : FunSpec() {24    init {25        test("test 1").config(extensions = listOf(MyExtension())) {26        }27        test("test 2").config(extensions = listOf(MyExtension())) {28        }29    }30}31class MyProject : ProjectConfig() {32    override fun extensions() = listOf(My

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