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How to use extensions method of io.kotest.core.TestConfiguration class

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

TransferGeneratorTest.kt

Source:TransferGeneratorTest.kt

1package com.ninety.nine.test.transfer2import com.ninety.nine.main.*3import io.kotest.core.config.AbstractProjectConfig4import io.kotest.core.extensions.Extension5import io.kotest.core.listeners.TestListener6import io.kotest.core.spec.style.FunSpec7import io.kotest.matchers.*8import io.kotest.matchers.doubles.shouldBeLessThan9import io.kotest.matchers.string.shouldMatch10import io.kotest.spring.SpringAutowireConstructorExtension11import io.kotest.spring.SpringListener12import org.iban4j.IbanUtil13import org.springframework.beans.factory.annotation.Autowired14import org.springframework.boot.test.context.ConfigFileApplicationContextInitializer15import org.springframework.boot.test.context.SpringBootTest16import org.springframework.boot.test.context.TestConfiguration17import org.springframework.test.context.ActiveProfiles18import org.springframework.test.context.ContextConfiguration19import java.util.concurrent.ThreadLocalRandom20class ProjectConfig : AbstractProjectConfig() {21    override fun extensions(): List<Extension> = listOf(SpringAutowireConstructorExtension)22}23fun hasProperLetter() = object : Matcher<String> {24    private val NIF_CHARACTERS = "TRWAGMYFPDXBNJZSQVHLCKE"25    fun isAValidNIF(nif: String): Boolean {26        val number = nif.substring(0, nif.length - 1).toLongOrNull()27        return when {28            number == null -> false29            nif.length != 9 -> false30            else -> nif[nif.length - 1] == NIF_CHARACTERS[(number % 23).toInt()]31        }32    }33    override fun test(value: String) =34        MatcherResult(35            isAValidNIF(value),...

resource.kt

Source:resource.kt

...21import io.kotest.core.spec.Spec22import kotlin.properties.ReadOnlyProperty23import kotlin.reflect.KProperty24// TODO move this to Kotest Arrow Extensions25// https://github.com/kotest/kotest-extensions-arrow/pull/14326public fun <A> TestConfiguration.resource(resource: Resource<A>): ReadOnlyProperty<Any?, A> =27  TestResource(resource).also(::listener)28@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")29private class TestResource<A>(private val resource: Resource<A>) :30  TestListener, ResourceScope, ReadOnlyProperty<Any?, A> {31  private val value: AtomicRef<Option<A>> = AtomicRef(None)32  private val finalizers: AtomicRef<List<suspend (ExitCase) -> Unit>> = AtomicRef(emptyList())33  @Suppress("DEPRECATION")34  override suspend fun <A> Resource<A>.bind(): A =35    when (this) {36      is Resource.Dsl -> dsl.invoke(this@TestResource)37      is Resource.Allocate ->38        bracketCase(39          {...

CanUseAdditionalExtensionSpec.kt

Source:CanUseAdditionalExtensionSpec.kt

1package org.fluentlenium.adapter.kotest.describespec2import io.kotest.core.TestConfiguration3import io.kotest.core.extensions.Extension4import io.kotest.core.listeners.BeforeTestListener5import io.kotest.core.test.TestCase6import io.kotest.matchers.shouldBe7import org.fluentlenium.adapter.kotest.FluentDescribeSpec8import org.openqa.selenium.WebDriver9class CanUseAdditionalExtensionSpec : FluentDescribeSpec() {10    var beforeTestListenerRun = false11    override fun newWebDriver(): WebDriver {12        // This is invoked by the Fluentlenium Integration13        // with this assertion we ensure that our custom extension (below) already was run14        beforeTestListenerRun shouldBe true15        return super.newWebDriver()16    }17    fun registerFirst(vararg extensions: Extension) {18        val field = TestConfiguration::class.java.getDeclaredField("_extensions")19        field.isAccessible = true20        val previousValue: List<Extension> = field.get(this) as List<Extension>21        val newValue = extensions.toList() + previousValue22        field.set(this, newValue)23    }24    init {25        // when using register here the extensions will be run in a wrong order26        registerFirst(object : BeforeTestListener {27            override suspend fun beforeTest(testCase: TestCase) {28                beforeTestListenerRun = true29            }30        })31        it("additional extension") {32        }33    }34}...

ProjectConfig.kt

Source:ProjectConfig.kt

...6import io.kotest.core.Tag7import io.kotest.core.TagExpression8import io.kotest.core.TestConfiguration9import io.kotest.core.config.AbstractProjectConfig10import io.kotest.core.extensions.TagExtension11import io.openapiprocessor.core.support.deleteRecursively12import java.nio.file.Files13import java.nio.file.Path14object Windows: Tag()15object NotWindows: Tag()16object SystemTagExtension: TagExtension {17    override fun tags(): TagExpression {18        return if(isWindows()) {19            TagExpression.exclude(NotWindows)20        } else {21            TagExpression.exclude(Windows)22        }23    }24    private fun isWindows(): Boolean {25        return System.getProperty("os.name")26            .lowercase()27            .contains("windows")28    }29}30/**31 * kotest config32 */33object ProjectConfig: AbstractProjectConfig() {34    override fun extensions() = listOf(SystemTagExtension)35}36fun TestConfiguration.tempFolder(prefix: String? = "oap-"): Path {37   val folder = Files.createTempDirectory(prefix)38   afterSpec {39       folder.deleteRecursively()40   }41   return folder42}...

ExtensionsTest.kt

Source:ExtensionsTest.kt

1package io.github.serpro69.semverkt.release.repo2import io.github.serpro69.semverkt.release.testConfiguration3import io.github.serpro69.semverkt.release.testRepo4import io.github.serpro69.semverkt.spec.Semver5import io.kotest.core.spec.Spec6import io.kotest.core.spec.style.DescribeSpec7import io.kotest.core.test.TestCase8import io.kotest.core.test.TestResult9import io.kotest.matchers.shouldBe10class ExtensionsTest : DescribeSpec() {11    private val repo = GitRepository(testConfiguration)12    init {13        describe("repo extension functions") {14            it("semver() fun") {15                semver(testConfiguration.git.tag)(repo.latestVersionTag()!!) shouldBe Semver("0.4.0")16            }17        }18    }19    override suspend fun beforeSpec(spec: Spec) {20        testConfiguration.git.repo.directory.toFile().deleteRecursively()21    }22    override suspend fun beforeEach(testCase: TestCase) {23        testRepo()24    }25    override suspend fun afterEach(testCase: TestCase, result: TestResult) {26        testConfiguration.git.repo.directory.toFile().deleteRecursively()27    }28}...

Extensions.kt

Source:Extensions.kt

1package io.kotest.extensions.testcontainers2import io.kotest.core.TestConfiguration3import org.testcontainers.lifecycle.Startable4fun <T : Startable> T.perTest(): StartablePerTestListener<T> = StartablePerTestListener<T>(this)5fun <T : Startable> T.perSpec(): StartablePerSpecListener<T> = StartablePerSpecListener<T>(this)6fun <T : Startable> T.perProject(containerName: String): StartablePerProjectListener<T> = StartablePerProjectListener<T>(this, containerName)7fun <T : Startable> TestConfiguration.configurePerTest(startable: T): T {8   listener(StartablePerTestListener(startable))9   return startable10}11fun <T : Startable> TestConfiguration.configurePerSpec(startable: T): T {12   listener(StartablePerSpecListener(startable))13   return startable14}15fun <T : Startable> TestConfiguration.configurePerProject(startable: T, containerName: String): T {...

SpringDataConfig.kt

Source:SpringDataConfig.kt

1package com.kakao.ifkakao.studio.test2import io.kotest.core.config.AbstractProjectConfig3import io.kotest.core.extensions.Extension4import io.kotest.spring.SpringAutowireConstructorExtension5import io.kotest.spring.SpringListener6import org.springframework.boot.autoconfigure.domain.EntityScan7import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest8import org.springframework.boot.test.context.TestConfiguration9import org.springframework.data.jpa.repository.config.EnableJpaRepositories10@DataJpaTest11@EntityScan(basePackages = ["com.kakao.ifkakao.studio.domain"])12@EnableJpaRepositories(basePackages = ["com.kakao.ifkakao.studio.domain"])13class SpringDataConfig : AbstractProjectConfig() {14    override fun listeners() = listOf(SpringListener)15    override fun extensions(): List<Extension> = listOf(SpringAutowireConstructorExtension)16}...

TestConfiguration.kt

Source:TestConfiguration.kt

1package com.oliverspryn.android.rxjava23import io.kotest.core.config.AbstractProjectConfig4import io.kotest.core.extensions.Extension5import kotlinx.coroutines.DelicateCoroutinesApi6import kotlinx.coroutines.ExperimentalCoroutinesApi78@DelicateCoroutinesApi9@ExperimentalCoroutinesApi10object TestConfiguration : AbstractProjectConfig() {11    override fun extensions(): List<Extension> = listOf(MainLooperInterceptor)12}
...

extensions

Using AI Code Generation

1class MyTest : FunSpec({2    beforeTest {3        println("Before Test")4    }5    test("test1") {6        println("Test 1")7    }8    test("test2") {9        println("Test 2")10    }11    afterTest {12        println("After Test")13    }14})15class MyTest : FunSpec({16    test("test1") {17        println("Test 1")18    }19    test("test2") {20        println("Test 2")21    }22})23fun afterAll() {24    println("After All")25}26fun beforeAll() {27    println("Before All")28}29class MyTest : FunSpec({30    test("test1") {31        println("Test 1")32    }33    test("test2") {34        println("Test 2")35    }36})37fun afterEach() {38    println("After Each")39}40fun beforeEach() {41    println("Before Each")42}43class MyTest : FunSpec({44    test("test1") {45        println("Test 1")46    }47    test("test2") {48        println("Test 2")49    }50})51fun afterTest() {52    println("After Test")53}54fun beforeTest() {55    println("Before Test")56}

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