Versión: 5.8.x

Configuración

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El marco de pruebas de Kotest es compatible con JVM, Javascript y Native. Para habilitar Kotest en múltiples plataformas, combina los pasos para cada plataforma como se detalla en las siguientes pestañas.

JVM/Gradle
JVM/Maven
Kotlin/JS
Kotlin/Native
Android

Kotest on the JVM uses the JUnit Platform gradle plugin. For Gradle 4.6 and higher this is as simple as adding useJUnitPlatform() inside the tasks with type Test and then adding the Kotest junit5 runner dependency.

If you are using Gradle + Groovy then:

test {
   useJUnitPlatform()
}

Or if you are using Gradle + Kotlin then:

tasks.withType<Test>().configureEach {
   useJUnitPlatform()
}

And then the dependency:

testImplementation 'io.kotest:kotest-runner-junit5:$version'

consejo

A working multiplatform project with JVM, native and Javascript all configured, with unit and data driven test examples, can be found here: https://github.com/kotest/kotest-examples-multiplatform

Add the Kotest multiplatform gradle plugin to your build.

For example:

plugins {
  id("io.kotest.multiplatform") version "5.0.2"
}

Add the engine dependency to your commonTest dependencies block:

kotlin {
  targets {
    js(IR) { // LEGACY or BOTH are unsupported
      browser() // to compile for the web
      nodejs() // to compile against node
    }
  }

  sourceSets {
    val commonTest by getting {
      dependencies {
        implementation("io.kotest:kotest-framework-engine:$version")
      }
    }
  }
}

precaución

Only the new IR compiler backend for Kotlin/JS is supported. If you are compiling JS with the legacy compiler backend then you will not be able to use Kotest for testing.

Write your tests using FunSpec, ShouldSpec or StringSpec. Tests can be placed in either commonTest or jsTest source sets. Run your tests using the gradle check command.

The Javascript test engine is feature limited when compared to the JVM test engine. The major restriction is that annotation based configuration will not work as Kotlin does not expose annotations at runtime to javascript code.

nota

Tests for Javascript cannot nest tests. This is due to the underlying Javascript test runners (such as Mocha or Karma) not supporting promises in parent tests, which is incompatible with coroutines and in Kotest every test scope is a coroutine. This is why the supported specs are limited to FunSpec, ShouldSpec and StringSpec.

información

The IntelliJ Kotest plugin does not support running common, native or JS tests directly from the IDE using the green run icons. Only execution via gradle is supported.

consejo

A working multiplatform project with JVM, native and Javascript all configured, with unit and data driven test examples, can be found here: https://github.com/kotest/kotest-examples-multiplatform

Add the Kotest multiplatform gradle plugin to your build.

For example:

plugins {
  id("io.kotest.multiplatform") version "5.0.2"
}

Add the engine dependency to your commonTest dependencies block:

kotlin {
  targets {
    linuxX64() // can add any supported native targets such as linux, mac, windows etc
  }
}
sourceSets {
  val commonTest by getting {
    dependencies {
      implementation("io.kotest:kotest-framework-engine:$version")
    }
  }
}

Tests can be placed in either commonTest or a specific native sourceset. Run your tests using the gradle check command.

The native test engine is feature limited when compared to the JVM test engine. The major restriction is that annotation based configuration will not work as Kotlin does not expose annotations at runtime to native code.

nota

The IntelliJ Kotest plugin does not support running common, native or JS tests from the IDE. You will need to use the gradle check task.

For maven you must configure the surefire plugin for junit tests.

<plugin>
   <groupId>org.apache.maven.plugins</groupId>
   <artifactId>maven-surefire-plugin</artifactId>
   <version>2.22.2</version>
</plugin>

And then add the Kotest JUnit5 runner to your dependencies section.

<dependency>
   <groupId>io.kotest</groupId>
   <artifactId>kotest-runner-junit5-jvm</artifactId>
   <version>{version}</version>
   <scope>test</scope>
</dependency>

información

Currently, only JVM tests are officially supported in Kotest. We are open to suggestions on how to support UI tests.

The following steps enable Kotest to be used for unit and integration tests, where the Android framework is not needed or is mocked that usually reside in the src/test folder of your module.

Kotest on Android uses the JUnit Platform gradle plugin. This requires configuring the android test options block in your build file and then adding the Kotest junit5 runner dependency.

android.testOptions {
   unitTests.all {
      it.useJUnitPlatform()
   }
}

dependencies {
   testImplementation 'io.kotest:kotest-runner-junit5:version'
}