Run tests with 'Configuration Cache' and 'Project Isolation'

Author: jjohannes

src/test/groovy/org/gradlex/javamodule/dependencies/test/CustomizationTest.groovy

@@ -63,7 +63,7 @@ class CustomizationTest extends Specification {
 
         appBuildFile << '''
             javaModuleDependencies {
-                modulesProperties.set(rootProject.layout.projectDirectory.file(".hidden/modules.properties"))
+                modulesProperties.set(File(rootDir,".hidden/modules.properties"))
             }
         '''
 

src/test/groovy/org/gradlex/javamodule/dependencies/test/GroupMappingTest.groovy

@@ -34,7 +34,7 @@ class GroupMappingTest extends Specification {
         '''
 
         when:
-        def result = runner('assemble').build()
+        def result = runner(false, 'assemble').build()
 
         then:
         result.task(":app:compileJava").outcome == TaskOutcome.SUCCESS

src/test/groovy/org/gradlex/javamodule/dependencies/test/LocalModuleMappingsTest.groovy

@@ -51,6 +51,6 @@ class LocalModuleMappingsTest extends Specification {
         '''
 
         then:
-        build()
+        runner(false, 'build').build()
     }
 }

src/test/groovy/org/gradlex/javamodule/dependencies/test/RequiresRuntimeTest.groovy

@@ -157,12 +157,13 @@ class RequiresRuntimeTest extends Specification {
             tasks.compileTestJava {
                 classpath += sourceSets.main.get().output
                 
+                val srcDir = sourceSets.test.get().java.sourceDirectories.first()
                 options.compilerArgumentProviders.add {
                     listOf(
                         "--module-path",
                         classpath.files.joinToString(":"),
                         "--patch-module",
-                        "org.gradlex.test.app=" + sourceSets.test.get().java.sourceDirectories.first()
+                        "org.gradlex.test.app=" + srcDir
                     )
                 }
             }

src/test/groovy/org/gradlex/javamodule/dependencies/test/fixture/GradleBuild.groovy

@@ -45,10 +45,12 @@ class GradleBuild {
                 mainClass.set("org.gradlex.test.app.Main")
             }
             tasks.register("printRuntimeJars") {
-                doLast { println(configurations.runtimeClasspath.get().files.map { it.name }) }
+                inputs.files(configurations.runtimeClasspath)
+                doLast { println(inputs.files.map { it.name }) }
             }
             tasks.register("printCompileJars") {
-                doLast { println(configurations.compileClasspath.get().files.map { it.name }) }
+                inputs.files(configurations.compileClasspath)
+                doLast { println(inputs.files.map { it.name }) }
             }
         '''
         libBuildFile << '''
@@ -85,12 +87,18 @@ class GradleBuild {
         runner('build').buildAndFail()
     }
 
-    GradleRunner runner(String... args) {
+    GradleRunner runner(boolean projectIsolation = true, String... args) {
+        List<String> latestFeaturesArgs = gradleVersionUnderTest || !projectIsolation? [] : [
+                '--configuration-cache',
+                '-Dorg.gradle.unsafe.isolated-projects=true',
+                // 'getGroup' in 'JavaModuleDependenciesExtension.create'
+                '--configuration-cache-problems=warn', '-Dorg.gradle.configuration-cache.max-problems=3'
+        ]
         GradleRunner.create()
                 .forwardOutput()
                 .withPluginClasspath()
                 .withProjectDir(projectDir)
-                .withArguments(Arrays.asList(args) + '-s' + '--warning-mode' + 'all')
+                .withArguments(Arrays.asList(args) + latestFeaturesArgs + '-s' + '--warning-mode=all')
                 .withDebug(ManagementFactory.getRuntimeMXBean().getInputArguments().toString().contains("-agentlib:jdwp")).with {
             gradleVersionUnderTest ? it.withGradleVersion(gradleVersionUnderTest) : it
         }