[Gradle] Implement KT58280JvmWithJavaTestCompileClasspath to cover KT-58280

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/regressionTests/KT58280JvmWithJavaTestCompileClasspath.kt

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+@file:Suppress("FunctionName")
+
+package org.jetbrains.kotlin.gradle.regressionTests
+
+import org.jetbrains.kotlin.gradle.dependencyResolutionTests.mavenCentralCacheRedirector
+import org.jetbrains.kotlin.gradle.dsl.kotlinJvmExtension
+import org.jetbrains.kotlin.gradle.plugin.mpp.internal
+import org.jetbrains.kotlin.gradle.util.applyKotlinJvmPlugin
+import org.jetbrains.kotlin.gradle.util.buildProject
+import org.jetbrains.kotlin.gradle.util.main
+import org.jetbrains.kotlin.gradle.util.test
+import kotlin.test.Test
+import kotlin.test.fail
+
+class KT58280JvmWithJavaTestCompileClasspath {
+    /**
+     * Context:
+     * https://youtrack.jetbrains.com/issue/KT-58280/org.jetbrains.kotlin.jvm-Gradle-plugin-contributes-build-directories-to-the-test-compile-classpath
+     *
+     * This is not necessarily a 'regression' as IntelliJ and CLI compilations work fine.
+     * Tools like eclipse did not expect this output.
+     *
+     * The commit the initially (and accidentally) changed the behavior was:
+     * [Gradle] Implement KotlinWithJavaCompilation with underlying KotlinCompilationImpl Sebastian Sellmair* 04.10.22, 17:16
+     * af198825899df9943814e2cb54d39868fff399fb
+     *
+     * This test 'fixates' the old behaviour.
+     */
+    @Test
+    fun `test - KT58280 - jvmWithJava Target does not add main classes to test compile classpath`() {
+        val project = buildProject()
+        project.plugins.apply("java-library")
+        project.applyKotlinJvmPlugin()
+        project.repositories.mavenLocal()
+        project.repositories.mavenCentralCacheRedirector()
+        val kotlin = project.kotlinJvmExtension
+
+        /* This kind of association is not required for java: java plugin handles this separately */
+        kotlin.target.compilations.test.internal.configurations.compileDependencyConfiguration.resolvedConfiguration.files.forEach { file ->
+            if (file in kotlin.target.compilations.main.output.allOutputs) {
+                fail("Unexpected file in test compile dependencies: $file")
+            }
+        }
+    }
+}