问题
The kotlintest tests run perfectly fine when started from Intellij, but when I try to run them with the gradle test task command, only my regular JUnit tests are found and run.
The kotlintest code:
import io.kotlintest.matchers.shouldBe
import io.kotlintest.specs.StringSpec
class HelloKotlinTest : StringSpec() {
init {
println("Start Kotlin UnitTest")
"length should return size of string" {
"hello".length shouldBe 5
}
}
}
build.gradle:
apply plugin: 'org.junit.platform.gradle.plugin'
buildscript {
ext.kotlinVersion = '1.1.3'
ext.junitPlatformVersion = '1.0.0-M4'
repositories {
maven { url 'http://nexus.acompany.ch/content/groups/public' }
}
dependencies {
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
classpath "org.junit.platform:junit-platform-gradle-plugin:$junitPlatformVersion"
}
}
sourceSets {
main.kotlin.srcDirs += 'src/main/kotlin'
test.kotlin.srcDirs += 'test/main/kotlin'
}
(...)
dependencies {
// Kotlin
compile group: 'org.jetbrains.kotlin', name: 'kotlin-stdlib-jre8', version: kotlinVersion
// Kotlin Test
testCompile group: 'io.kotlintest', name: 'kotlintest', version: kotlinTestVersion
// JUnit 5
testCompile group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: junitJupiterVersion
testRuntime group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: junitJupiterVersion
}
回答1:
In KotlinTest 3.1.x you don't need to use Junit4 anymore. It is fully compatible with JUnit 5. Thus the answer to your question is to upgrade to the 3.1.x track.
You need to add useJUnitPlatform()
to the test block in your build.gradle.
You need to add testCompile 'io.kotlintest:kotlintest-runner-junit5:3.1.9'
to your dependencies.
For example.
dependencies {
testCompile 'io.kotlintest:kotlintest-runner-junit5:3.1.9'
}
test {
useJUnitPlatform()
// show standard out and standard error of the test JVM(s) on the console
testLogging.showStandardStreams = true
testLogging {
events "PASSED", "FAILED", "SKIPPED", "STANDARD_OUT", "STANDARD_ERROR"
}
}
回答2:
The "solution" was to switch back to JUnit 4.
kotlintest was not build with JUnit 5 in mind and does not provide its own junit-engine.
(Note: It should be possible to tell JUnit 5 to use the JUnit 4 engine for kotlintest. If anybody knows how to do this, please add the solution here.)
回答3:
In order to run your kotlintest tests with Junit5 you need to use the KTestRunner.
@RunWith(KTestJUnitRunner::class)
class MyTest : FunSpec({
test("A test") {
1 + 1 shouldBe 2
}
})
With the following gradle config for example.
dependencies {
testCompile("io.kotlintest:kotlintest:${kotlinTestVersion}")
testCompile("org.junit.jupiter:junit-jupiter-engine:${junitJupiterVersion}")
}
来源:https://stackoverflow.com/questions/45231313/how-can-i-run-kotlintest-tests-with-gradle