[Gradle] Test that no extra attributes are copied to Java Configurations

^KT-31468

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

@@ -7,6 +7,7 @@
 
 package org.jetbrains.kotlin.gradle
 
+import org.gradle.api.attributes.AttributeContainer
 import org.gradle.api.attributes.Category
 import org.gradle.api.attributes.Usage
 import org.gradle.kotlin.dsl.withType
@@ -219,11 +220,10 @@ class ConfigurationsTest : MultiplatformExtensionTest() {
         }
     }
 
-    @Test
-    fun `test that jvm target attributes are propagated to java configurations`() {
-        val disambiguationAttribute = org.gradle.api.attributes.Attribute.of("disambiguationAttribute", String::class.java)
-        val project = buildProjectWithMPP {
+    class TestDisambiguationAttributePropagation {
+        private val disambiguationAttribute = org.gradle.api.attributes.Attribute.of("disambiguationAttribute", String::class.java)
 
+        private val mppProject get() = buildProjectWithMPP {
             kotlin {
                 jvm("plainJvm") {
                     attributes { attribute(disambiguationAttribute, "plainJvm") }
@@ -236,8 +236,12 @@ class ConfigurationsTest : MultiplatformExtensionTest() {
             }
         }
 
+        private val javaProject get() = buildProject {
+            project.plugins.apply("java-library")
+        }
+
         //NB: There is no "api" configuration registered by Java Plugin
-        val javaConfigurations = listOf(
+        private val javaConfigurations = listOf(
             "compileClasspath",
             "runtimeClasspath",
             "implementation",
@@ -245,52 +249,81 @@ class ConfigurationsTest : MultiplatformExtensionTest() {
             "runtimeOnly"
         )
 
-        val kotlinJvmConfigurations = listOf(
-            "jvmWithJavaCompileClasspath",
-            "jvmWithJavaRuntimeClasspath",
-            "jvmWithJavaApi",
-            "jvmWithJavaImplementation",
-            "jvmWithJavaCompileOnly",
-            "jvmWithJavaRuntimeOnly",
-        )
-
-        val outgoingConfigurations = listOf(
-            "jvmWithJavaApiElements",
-            "jvmWithJavaRuntimeElements",
-        )
-
-        val testJavaConfigurations = listOf(
-            "testCompileClasspath",
-            "testCompileOnly",
-            "testImplementation",
-            "testRuntimeClasspath",
-            "testRuntimeOnly"
-        )
-
-        val jvmWithJavaTestConfigurations = listOf(
-            "jvmWithJavaTestCompileClasspath",
-            "jvmWithJavaTestRuntimeClasspath",
-            "jvmWithJavaTestApi",
-            "jvmWithJavaTestCompileOnly",
-            "jvmWithJavaTestImplementation",
-            "jvmWithJavaTestRuntimeOnly"
-        )
-
-        val expectedConfigurationsWithDisambiguationAttribute = javaConfigurations +
-                kotlinJvmConfigurations +
-                outgoingConfigurations +
-                testJavaConfigurations +
-                jvmWithJavaTestConfigurations
-
-        with(project.evaluate()) {
-            val actualConfigurationsWithDisambiguationAttribute = configurations
-                .filter { it.attributes.getAttribute(disambiguationAttribute) == "jvmWithJava" }
-                .map { it.name }
-
-            assertEquals(
-                expectedConfigurationsWithDisambiguationAttribute.sorted(),
-                actualConfigurationsWithDisambiguationAttribute.sorted()
+        @Test
+        fun `test that jvm target attributes are propagated to java configurations`() {
+            val kotlinJvmConfigurations = listOf(
+                "jvmWithJavaCompileClasspath",
+                "jvmWithJavaRuntimeClasspath",
+                "jvmWithJavaCompilationApi",
+                "jvmWithJavaCompilationImplementation",
+                "jvmWithJavaCompilationCompileOnly",
+                "jvmWithJavaCompilationRuntimeOnly",
             )
+
+            val outgoingConfigurations = listOf(
+                "jvmWithJavaApiElements",
+                "jvmWithJavaRuntimeElements",
+            )
+
+            val testJavaConfigurations = listOf(
+                "testCompileClasspath",
+                "testCompileOnly",
+                "testImplementation",
+                "testRuntimeClasspath",
+                "testRuntimeOnly"
+            )
+
+            val jvmWithJavaTestConfigurations = listOf(
+                "jvmWithJavaTestCompileClasspath",
+                "jvmWithJavaTestRuntimeClasspath",
+                "jvmWithJavaTestCompilationApi",
+                "jvmWithJavaTestCompilationCompileOnly",
+                "jvmWithJavaTestCompilationImplementation",
+                "jvmWithJavaTestCompilationRuntimeOnly"
+            )
+
+            val expectedConfigurationsWithDisambiguationAttribute = javaConfigurations +
+                    kotlinJvmConfigurations +
+                    outgoingConfigurations +
+                    testJavaConfigurations +
+                    jvmWithJavaTestConfigurations
+
+            with(mppProject.evaluate()) {
+                val actualConfigurationsWithDisambiguationAttribute = configurations
+                    .filter { it.attributes.getAttribute(disambiguationAttribute) == "jvmWithJava" }
+                    .map { it.name }
+
+                assertEquals(
+                    expectedConfigurationsWithDisambiguationAttribute.sorted(),
+                    actualConfigurationsWithDisambiguationAttribute.sorted()
+                )
+            }
+        }
+
+        @Test
+        fun `test that no new attributes are added to java configurations`() {
+            val evaluatedJavaProject = javaProject.evaluate()
+            val evaluatedMppProject = mppProject.evaluate()
+
+            fun AttributeContainer.toStringMap(): Map<String, String> =
+                keySet().associate { it.name to getAttribute(it).toString() }
+
+            for (configurationName in javaConfigurations) {
+                val expectedAttributes = evaluatedJavaProject
+                    .configurations
+                    .getByName(configurationName)
+                    .attributes.toStringMap()
+
+                val actualAttributes = evaluatedMppProject
+                    .configurations
+                    .getByName(configurationName)
+                    .attributes.toStringMap()
+
+                assertEquals(
+                    expectedAttributes,
+                    actualAttributes - disambiguationAttribute.name
+                )
+            }
         }
     }
 }