Migrate to JUnit 5 and unify used test API (#3138)

2 files changed, 6 insertions, 16 deletions

diff --git a/build-logic/src/main/kotlin/org/jetbrains/conventions/base-java.gradle.kts b/build-logic/src/main/kotlin/org/jetbrains/conventions/base-java.gradle.kts
index a4ed0ede..efeb8b17 100644
--- a/build-logic/src/main/kotlin/org/jetbrains/conventions/base-java.gradle.kts
+++ b/build-logic/src/main/kotlin/org/jetbrains/conventions/base-java.gradle.kts
@@ -27,24 +27,12 @@ tasks.withType<Test>().configureEach {
     } else {
         (Runtime.getRuntime().availableProcessors() / 2).takeIf { it > 0 } ?: 1
     }
+
     javaLauncher.set(javaToolchains.launcherFor {
         languageVersion.set(dokkaBuild.testJavaLauncherVersion)
     })
 }
 
 dependencies {
-    testImplementation(platform("org.junit:junit-bom:5.9.2"))
-    // TODO Upgrade all subprojects to use JUnit Jupiter https://github.com/Kotlin/dokka/issues/2924
-    //      Replace these dependencies with `testImplementation("org.junit.jupiter:junit-jupiter:5.9.2")`
-    //      See https://junit.org/junit5/docs/current/user-guide/#running-tests-build-gradle-engines-configure
-    // Ideally convention plugins should only provide sensible defaults that can be overridden by subprojects.
-    // If a convention plugin defines dependencies, these cannot be easily overridden by subprojects, and so
-    // this should be avoided. However, for now , both JUnit 4 and 5 must be supported, and since these are test
-    // runtime-only dependencies they are not going to have a significant impact subprojects.
-    // These dependencies should be revisited in #2924, and (for example) moved to each subproject (which is more
-    // repetitive, but more declarative and clear), or some other solution.
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
-    testRuntimeOnly("org.junit.vintage:junit-vintage-engine")
-    // kotlin-test asserts for all projects
-    testImplementation(kotlin("test-junit"))
+    testImplementation(platform(libs.junit.bom))
 }
diff --git a/build-logic/src/main/kotlin/org/jetbrains/conventions/dokka-integration-test.gradle.kts b/build-logic/src/main/kotlin/org/jetbrains/conventions/dokka-integration-test.gradle.kts
index f9edb68e..cebdb541 100644
--- a/build-logic/src/main/kotlin/org/jetbrains/conventions/dokka-integration-test.gradle.kts
+++ b/build-logic/src/main/kotlin/org/jetbrains/conventions/dokka-integration-test.gradle.kts
@@ -45,15 +45,17 @@ val integrationTest by tasks.registering(NonCacheableIntegrationTest::class) {
     maxHeapSize = "2G"
     description = "Runs integration tests."
     group = "verification"
-    useJUnit()
-
     testClassesDirs = integrationTestSourceSet.output.classesDirs
     classpath = integrationTestSourceSet.runtimeClasspath
 
+    useJUnitPlatform()
+
     setForkEvery(1)
     project.properties["dokka_integration_test_parallelism"]?.toString()?.toIntOrNull()?.let { parallelism ->
         maxParallelForks = parallelism
     }
+
+
     environment(
         "isExhaustive",
         project.properties["dokka_integration_test_is_exhaustive"]?.toString()?.toBoolean()