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SimpleKotlinGradleIT.kt
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SimpleKotlinGradleIT.kt
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package org.jetbrains.kotlin.gradle
import org.gradle.api.logging.LogLevel
import org.gradle.api.logging.configuration.WarningMode
import org.gradle.util.GradleVersion
import org.jetbrains.kotlin.gradle.tasks.KotlinCompilerExecutionStrategy
import org.jetbrains.kotlin.gradle.testbase.*
import org.junit.jupiter.api.DisplayName
import kotlin.io.path.appendText
import kotlin.io.path.createDirectories
import kotlin.io.path.createFile
import java.util.zip.ZipFile
@JvmGradlePluginTests
@DisplayName("KGP simple tests")
class SimpleKotlinGradleIT : KGPBaseTest() {
@GradleTest
@DisplayName("On second run common tasks should be up-to-date")
fun testSimpleCompile(gradleVersion: GradleVersion) {
project(
projectName = "simpleProject",
gradleVersion = gradleVersion,
buildOptions = defaultBuildOptions.copy(logLevel = LogLevel.DEBUG),
) {
build("compileDeployKotlin", "build") {
assertOutputContains("Finished executing kotlin compiler using ${KotlinCompilerExecutionStrategy.DAEMON} strategy")
assertFileInProjectExists("build/reports/tests/test/classes/demo.TestSource.html")
assertTasksExecuted(":compileKotlin", ":compileTestKotlin", ":compileDeployKotlin")
}
build("compileDeployKotlin", "build") {
assertTasksUpToDate(
":compileKotlin",
":compileTestKotlin",
":compileDeployKotlin",
":compileJava"
)
}
}
}
@GradleTest
@DisplayName("Plugin allows to suppress all warnings")
fun testSuppressWarnings(gradleVersion: GradleVersion) {
project("suppressWarnings", gradleVersion) {
build("build") {
assertTasksExecuted(":compileKotlin")
assertOutputDoesNotContain("""w: [^\r\n]*?\.kt""".toRegex())
}
}
}
@GradleTest
@DisplayName("Plugin should allow to add custom Kotlin directory")
fun testKotlinCustomDirectory(gradleVersion: GradleVersion) {
project("customSrcDir", gradleVersion) {
build("build")
}
}
@GradleTest
@DisplayName("Plugin should correctly handle additional java source directories")
fun testKotlinExtraJavaSrc(gradleVersion: GradleVersion) {
project("additionalJavaSrc", gradleVersion) {
build("build")
}
}
@GradleTest
@DisplayName("Using newer language features with older api level should fail the build")
fun testLanguageVersion(gradleVersion: GradleVersion) {
project("languageVersion", gradleVersion) {
buildAndFail("build") {
assertOutputContains("Suspend function type is allowed as a supertype only since version 1.6")
}
}
}
@GradleTest
@DisplayName("Compilation should fail on unknown JVM target")
fun testJvmTarget(gradleVersion: GradleVersion) {
project("jvmTarget", gradleVersion) {
buildAndFail("build") {
assertOutputContains("Unknown Kotlin JVM target: 1.7")
}
}
}
@GradleTest
@DisplayName("Should produce '.kotlin_module' file with specified name")
fun testModuleName(gradleVersion: GradleVersion) {
project("moduleName", gradleVersion) {
build("build") {
assertFileInProjectExists("build/classes/kotlin/main/META-INF/FLAG.kotlin_module")
assertFileInProjectNotExists("build/classes/kotlin/main/META-INF/moduleName.kotlin_module")
assertOutputDoesNotContain("Argument -module-name is passed multiple times")
}
}
}
@GradleTest
@DisplayName("Compile task destination dir should be configured on configuration phase")
fun testDestinationDirReferencedDuringEvaluation(gradleVersion: GradleVersion) {
project("destinationDirReferencedDuringEvaluation", gradleVersion) {
build("build") {
assertOutputContains("foo.GreeterTest > testHelloWorld PASSED")
}
}
}
@GradleTest
@DisplayName("Plugin correctly handle redefined build dir location")
fun testBuildDirLazyEvaluation(gradleVersion: GradleVersion) {
project("kotlinProject", gradleVersion) {
// Change the build directory in the end of the build script:
val customBuildDirName = "customBuild"
buildGradle.append(
"buildDir = '$customBuildDirName'"
)
build("build") {
assertDirectoryInProjectExists("$customBuildDirName/classes")
assertFileInProjectNotExists("build")
}
}
}
@GradleTest
@DisplayName("Should correctly work with Groovy lang modules")
fun testGroovyInterop(gradleVersion: GradleVersion) {
project("groovyInterop", gradleVersion) {
build("build") {
assertTasksExecuted(":test")
assertOutputContains("GroovyInteropTest > parametersInInnerClassConstructor PASSED")
assertOutputContains("GroovyInteropTest > classWithReferenceToInner PASSED")
assertOutputContains("GroovyInteropTest > groovyTraitAccessor PASSED")
assertOutputContains("GroovyInteropTest > parametersInEnumConstructor PASSED")
}
}
}
//Proguard corrupts RuntimeInvisibleParameterAnnotations/RuntimeVisibleParameterAnnotations tables:
// https://sourceforge.net/p/proguard/bugs/735/
// Gradle 7 compatibility issue: https://github.com/Guardsquare/proguard/issues/136
@GradleTest
@GradleTestVersions(maxVersion = TestVersions.Gradle.G_6_8)
@DisplayName("Should correctly interop with ProGuard")
fun testInteropWithProguarded(gradleVersion: GradleVersion) {
project(
"interopWithProguarded",
gradleVersion,
buildOptions = defaultBuildOptions.copy(warningMode = WarningMode.Summary)
) {
build("build") {
assertTasksExecuted(":test")
assertOutputContains("InteropWithProguardedTest > parametersInInnerKotlinClassConstructor PASSED")
assertOutputContains("InteropWithProguardedTest > parametersInInnerJavaClassConstructor PASSED")
assertOutputContains("InteropWithProguardedTest > parametersInJavaEnumConstructor PASSED")
assertOutputContains("InteropWithProguardedTest > parametersInKotlinEnumConstructor PASSED")
}
}
}
@GradleTest
@DisplayName("Should correctly work with Scala lang modules")
fun testScalaInterop(gradleVersion: GradleVersion) {
project("scalaInterop", gradleVersion) {
build("build") {
assertTasksExecuted(":test")
assertOutputContains("ScalaInteropTest > parametersInInnerClassConstructor PASSED")
}
}
}
@GradleTest
@DisplayName("Should not produce kotlin-stdlib version conflict on Kotlin files compilation in 'buildSrc' module")
internal fun testKotlinDslStdlibVersionConflict(gradleVersion: GradleVersion) {
project(
projectName = "buildSrcUsingKotlinCompilationAndKotlinPlugin",
gradleVersion,
) {
listOf(
"compileClasspath",
"compileOnly",
"runtimeClasspath"
).forEach { configuration ->
build("-p", "buildSrc", "dependencies", "--configuration", configuration) {
listOf(
"org.jetbrains.kotlin:kotlin-stdlib:${buildOptions.kotlinVersion}",
"org.jetbrains.kotlin:kotlin-stdlib-jdk7:${buildOptions.kotlinVersion}",
"org.jetbrains.kotlin:kotlin-stdlib-jdk8:${buildOptions.kotlinVersion}",
"org.jetbrains.kotlin:kotlin-stdlib-common:${buildOptions.kotlinVersion}",
"org.jetbrains.kotlin:kotlin-reflect:${buildOptions.kotlinVersion}",
"org.jetbrains.kotlin:kotlin-script-runtime:${buildOptions.kotlinVersion}"
).forEach { assertOutputDoesNotContain(it) }
}
}
build("assemble")
}
}
@GradleTest
@DisplayName("Should be compatible with project isolation")
@GradleTestVersions(minVersion = TestVersions.Gradle.G_7_1)
fun testProjectIsolation(gradleVersion: GradleVersion) {
project(
projectName = "instantExecution",
gradleVersion = gradleVersion,
buildOptions = defaultBuildOptions.copy(configurationCache = true, projectIsolation = true),
) {
build(":main-project:compileKotlin")
}
}
@DisplayName("Proper Gradle plugin variant is used")
@GradleTestVersions(
additionalVersions = [TestVersions.Gradle.G_7_0, TestVersions.Gradle.G_7_1, TestVersions.Gradle.G_7_3, TestVersions.Gradle.G_7_4, TestVersions.Gradle.G_7_5],
maxVersion = TestVersions.Gradle.G_7_6
)
@GradleTest
internal fun pluginVariantIsUsed(gradleVersion: GradleVersion) {
project("kotlinProject", gradleVersion) {
build("tasks") {
val expectedVariant = when (gradleVersion) {
GradleVersion.version(TestVersions.Gradle.G_7_6) -> "gradle76"
GradleVersion.version(TestVersions.Gradle.G_7_5) -> "gradle75"
GradleVersion.version(TestVersions.Gradle.G_7_4) -> "gradle74"
in GradleVersion.version(TestVersions.Gradle.G_7_1)..GradleVersion.version(TestVersions.Gradle.G_7_3) -> "gradle71"
GradleVersion.version(TestVersions.Gradle.G_7_0) -> "gradle70"
else -> "main"
}
assertOutputContains("Using Kotlin Gradle Plugin $expectedVariant variant")
}
}
}
@DisplayName("Validate Gradle plugins inputs")
@GradleTestVersions(minVersion = TestVersions.Gradle.MAX_SUPPORTED) // Always should use only latest Gradle version
@GradleTest
internal fun validatePluginInputs(gradleVersion: GradleVersion) {
project("kotlinProject", gradleVersion) {
buildGradle.modify {
"""
plugins {
id "validate-external-gradle-plugin"
${it.substringAfter("plugins {")}
""".trimIndent()
}
build("validateExternalPlugins")
}
}
@DisplayName("Accessing Kotlin SourceSet in KotlinDSL")
@GradleTestVersions(maxVersion = TestVersions.Gradle.G_7_1)
@GradleTest
internal fun kotlinDslSourceSets(gradleVersion: GradleVersion) {
project("sourceSetsKotlinDsl", gradleVersion) {
build("assemble")
}
}
@DisplayName("KT-53402: ignore non project source changes")
@GradleTest
fun ignoreNonProjectSourceChanges(gradleVersion: GradleVersion) {
project("simpleProject", gradleVersion) {
val resources = projectPath.resolve("src/main/resources").createDirectories()
val resourceKts = resources.resolve("resource.kts").createFile()
resourceKts.appendText("lkdfjgkjs invalid something")
build("assemble")
resourceKts.appendText("kajhgfkh invalid something")
build("assemble")
}
}
@DisplayName("Changing compile task destination directory does not break test compilation")
@GradleTest
internal fun customDestinationDir(gradleVersion: GradleVersion) {
project("simpleProject", gradleVersion) {
//language=Groovy
buildGradle.appendText(
"""
|
|def compileKotlinTask = tasks.named("compileKotlin", org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile.class)
|
|compileKotlinTask.configure {
| it.destinationDirectory.set(project.layout.buildDirectory.dir("banana"))
|}
|
|def compileKotlinTaskOutput = compileKotlinTask.flatMap { it.destinationDirectory }
|sourceSets.test.compileClasspath.from(compileKotlinTaskOutput)
|sourceSets.test.runtimeClasspath.from(compileKotlinTaskOutput)
|
""".trimMargin()
)
build("build") {
assertFileInProjectExists("build/banana/demo/KotlinGreetingJoiner.class")
assertFileInProjectExists("build/libs/simpleProject.jar")
ZipFile(projectPath.resolve("build/libs/simpleProject.jar").toFile()).use { jar ->
assert(jar.entries().asSequence().count { it.name == "demo/KotlinGreetingJoiner.class" } == 1) {
"The jar should contain one entry `demo/KotlinGreetingJoiner.class` with no duplicates\n" +
jar.entries().asSequence().map { it.name }.joinToString()
}
}
}
}
}
@DisplayName("Default jar content should not contain duplicates")
@GradleTest
internal fun defaultJarContent(gradleVersion: GradleVersion) {
project("simpleProject", gradleVersion) {
build("build") {
assertFileInProjectExists("build/libs/simpleProject.jar")
ZipFile(projectPath.resolve("build/libs/simpleProject.jar").toFile()).use { jar ->
assert(jar.entries().asSequence().count { it.name == "demo/KotlinGreetingJoiner.class" } == 1) {
"The jar should contain one entry `demo/KotlinGreetingJoiner.class` with no duplicates\n" +
jar.entries().asSequence().map { it.name }.joinToString()
}
}
}
}
}
}