HHH-15314 - Hibernate Gradle plugin is not working for Kotlin projects

tooling/hibernate-gradle-plugin/hibernate-gradle-plugin.gradle

@@ -11,9 +11,6 @@ plugins {
 	id 'java-gradle-plugin'
 	id 'com.gradle.plugin-publish' version '0.20.0'
 
-	// disable the TestKit tests for the time being as it is having trouble
-	// which unfortunately also means we do not get any functional testing of the plugin
-//	id 'com.github.sebersole.testkit-junit5' version '1.2.0'
 	id 'checkstyle'
 
 	// for local publishing
@@ -42,6 +39,12 @@ dependencies {
 	// for Gradle
 	implementation jakartaLibs.inject
 	implementation localGroovy()
+
+	testImplementation gradleTestKit()
+	testImplementation testLibs.assertjCore
+	testImplementation testLibs.junit5Api
+
+	testRuntimeOnly testLibs.junit5Engine
 }
 
 gradlePlugin {
@@ -74,6 +77,10 @@ pluginBundle {
 	}
 }
 
+test {
+	useJUnitPlatform()
+}
+
 // Publish to the Gradle Plugin Portal
 tasks.release.dependsOn tasks.publishPlugins
 

tooling/hibernate-gradle-plugin/src/main/java/org/hibernate/orm/tooling/gradle/HibernateOrmPlugin.java

@@ -27,12 +27,12 @@ public class HibernateOrmPlugin implements Plugin<Project> {
 		EnhancementTask.apply( ormDsl, ormDsl.getSourceSetProperty().get(), project );
 		JpaMetamodelGenerationTask.apply( ormDsl, ormDsl.getSourceSetProperty().get(), project );
 
-		project.getDependencies().add(
+//		project.getDependencies().add(
-				"implementation",
+//				"implementation",
-				ormDsl.getHibernateVersionProperty().map( (ormVersion) -> Character.isDigit( ormVersion.charAt( 0 ) )
+//				ormDsl.getHibernateVersionProperty().map( (ormVersion) -> Character.isDigit( ormVersion.charAt( 0 ) )
-						? "org.hibernate.orm:hibernate-core:" + ormVersion
+//						? "org.hibernate.orm:hibernate-core:" + ormVersion
-						: null
+//						: null
-				)
+//				)
-		);
+//		);
 	}
 }

tooling/hibernate-gradle-plugin/src/main/java/org/hibernate/orm/tooling/gradle/enhance/EnhancementHelper.java

@@ -44,8 +44,7 @@ public class EnhancementHelper {
 
 		final String classesDirPath = classesDirFile.getAbsolutePath();
 
-		inputChanges.getFileChanges( classesDirectoryProperty ).forEach(
+		inputChanges.getFileChanges( classesDirectoryProperty ).forEach( (change) -> {
-				change -> {
 			switch ( change.getChangeType() ) {
 				case ADDED:
 				case MODIFIED: {
@@ -53,9 +52,18 @@ public class EnhancementHelper {
 					if ( changedFile.getName().endsWith( ".class" ) ) {
 						final String classFilePath = changedFile.getAbsolutePath();
 						if ( classFilePath.startsWith( classesDirPath ) ) {
-									// we found the directory it came from
+							// we found the directory it came from - use that to determine the class name
-									//		-use that to determine the class name
+							final String className = determineClassName( classesDirFile, changedFile );
-									enhance( changedFile, determineClassName( classesDirFile, changedFile ), enhancer, project );
+
+							final long lastModified = changedFile.lastModified();
+
+							enhance( changedFile, className, enhancer, project );
+
+							final boolean timestampReset = changedFile.setLastModified( lastModified );
+							if ( !timestampReset ) {
+								project.getLogger().debug( "`{}`.setLastModified failed", project.relativePath( changedFile ) );
+							}
+
 							break;
 						}
 					}
@@ -69,8 +77,7 @@ public class EnhancementHelper {
 					throw new UnsupportedOperationException( "Unexpected ChangeType : " + change.getChangeType().name() );
 				}
 			}
-				}
+		} );
-		);
 	}
 
 	private static void enhance(

tooling/hibernate-gradle-plugin/src/main/java/org/hibernate/orm/tooling/gradle/metamodel/JpaMetamodelGenerationTask.java

@@ -15,11 +15,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Properties;
 import javax.inject.Inject;
-import jakarta.persistence.SharedCacheMode;
-import jakarta.persistence.ValidationMode;
-import jakarta.persistence.spi.ClassTransformer;
-import jakarta.persistence.spi.PersistenceUnitInfo;
-import jakarta.persistence.spi.PersistenceUnitTransactionType;
 import javax.sql.DataSource;
 
 import org.gradle.api.DefaultTask;
@@ -44,6 +39,12 @@ import org.hibernate.orm.tooling.gradle.HibernateOrmSpec;
 import org.hibernate.orm.tooling.gradle.metamodel.model.JpaStaticMetamodelGenerator;
 import org.hibernate.orm.tooling.gradle.metamodel.model.MetamodelClass;
 
+import jakarta.persistence.SharedCacheMode;
+import jakarta.persistence.ValidationMode;
+import jakarta.persistence.spi.ClassTransformer;
+import jakarta.persistence.spi.PersistenceUnitInfo;
+import jakarta.persistence.spi.PersistenceUnitTransactionType;
+
 import static org.hibernate.orm.tooling.gradle.HibernateOrmSpec.HIBERNATE;
 
 /**
@@ -330,18 +331,6 @@ public class JpaMetamodelGenerationTask extends DefaultTask {
 		compileJpaMetamodelTask.setClasspath(
 				project.getConfigurations().getByName( "runtimeClasspath" ).plus( mainSourceSet.getRuntimeClasspath() )
 		);
-
-		compileJpaMetamodelTask.doFirst(
-				(task) -> {
-					project.getLogger().lifecycle( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
-					project.getLogger().lifecycle( "compileJpaMetamodel classpath" );
-					project.getLogger().lifecycle( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
-					( (JavaCompile) task ).getClasspath().forEach(
-							entry -> project.getLogger().lifecycle( "    > {}", entry.getAbsolutePath() )
-					);
-					project.getLogger().lifecycle( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
-				}
-		);
 	}
 
 }

tooling/hibernate-gradle-plugin/src/test/java/org/hibernate/orm/tooling/gradle/Copier.java

@@ -0,0 +1,55 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html.
+ */
+package org.hibernate.orm.tooling.gradle;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * @author Steve Ebersole
+ */
+public class Copier {
+	public static void copyProject(String projectBuildFilePath, Path target) {
+		final URL resource = Copier.class.getClassLoader().getResource( "projects/" + projectBuildFilePath );
+		if ( resource == null ) {
+			throw new RuntimeException( "Unable to locate projectBuildFilePath : " + projectBuildFilePath );
+		}
+
+		try {
+			final Path sourceProjectDir = Paths.get( resource.toURI() );
+			copyDirectory( sourceProjectDir.getParent(), target );
+		}
+		catch (URISyntaxException e) {
+			throw new RuntimeException( "Unable to create URI : " + resource, e );
+		}
+	}
+
+	public static void copyDirectory(Path source, Path target) {
+		try {
+			Files.walk( source ).forEach( (sourceItem) -> {
+				if ( sourceItem.equals( source ) ) {
+					return;
+				}
+
+				final Path output = target.resolve( source.relativize( sourceItem ) );
+				try {
+					Files.copy( sourceItem, output );
+				}
+				catch (IOException ioe) {
+					throw new RuntimeException( "Unable to copy : " + sourceItem.toAbsolutePath(), ioe );
+				}
+			} );
+		}
+		catch (IOException ioe) {
+			throw new RuntimeException( "Unable to copy : " + source.toAbsolutePath() );
+		}
+	}
+}

tooling/hibernate-gradle-plugin/src/test/java/org/hibernate/orm/tooling/gradle/HibernateOrmPluginTest.java

@@ -0,0 +1,180 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html.
+ */
+package org.hibernate.orm.tooling.gradle;
+
+import java.nio.file.Path;
+
+import org.gradle.testkit.runner.BuildResult;
+import org.gradle.testkit.runner.BuildTask;
+import org.gradle.testkit.runner.GradleRunner;
+import org.gradle.testkit.runner.TaskOutcome;
+
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import org.assertj.core.api.Condition;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+
+/**
+ * Basic functional tests
+ *
+ * @author Steve Ebersole
+ */
+class HibernateOrmPluginTest {
+	private static final Condition<TaskOutcome> SUCCESS = new Condition<>(
+			(taskOutcome) -> taskOutcome == TaskOutcome.SUCCESS,
+			"task succeeded"
+	);
+	private static final Condition<TaskOutcome> UP_TO_DATE = new Condition<>(
+			(taskOutcome) -> taskOutcome == TaskOutcome.UP_TO_DATE,
+			"task up-to-date"
+	);
+
+	@Test
+	public void testEnhancementTask(@TempDir Path projectDir) {
+		Copier.copyProject( "simple/build.gradle", projectDir );
+
+		System.out.println( "First execution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
+		final GradleRunner gradleRunner = GradleRunner.create()
+				.withProjectDir( projectDir.toFile() )
+				.withPluginClasspath()
+				.withDebug( true )
+				.withArguments( "clean", "hibernateEnhance", "--stacktrace", "--no-build-cache" )
+				.forwardOutput();
+
+		final BuildResult result = gradleRunner.build();
+		final BuildTask task = result.task( ":hibernateEnhance" );
+		assertThat( task ).isNotNull();
+		assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.SUCCESS );
+	}
+
+	@Test
+	public void testEnhancementTaskAsFinalizer(@TempDir Path projectDir) {
+		Copier.copyProject( "simple/build.gradle", projectDir );
+
+		final GradleRunner gradleRunner = GradleRunner.create()
+				.withProjectDir( projectDir.toFile() )
+				.withPluginClasspath()
+				.withDebug( true )
+				.withArguments( "clean", "compileJava", "--stacktrace", "--no-build-cache" )
+				.forwardOutput();
+
+		final BuildResult result = gradleRunner.build();
+		final BuildTask task = result.task( ":hibernateEnhance" );
+		assertThat( task ).isNotNull();
+//		assertThat( task.getOutcome() ).is( anyOf( SUCCESS, UP_TO_DATE ) );
+		assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.SUCCESS );
+	}
+
+	@Test
+	@Disabled( "up-to-date checking not working" )
+	public void testEnhancementTaskUpToDate(@TempDir Path projectDir) {
+		Copier.copyProject( "simple/build.gradle", projectDir );
+
+		{
+			System.out.println( "First execution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
+			final GradleRunner gradleRunner = GradleRunner.create()
+					.withProjectDir( projectDir.toFile() )
+					.withPluginClasspath()
+					.withDebug( true )
+					.withArguments( "clean", "hibernateEnhance", "--stacktrace", "--no-build-cache" )
+					.forwardOutput();
+
+			final BuildResult result = gradleRunner.build();
+			final BuildTask task = result.task( ":hibernateEnhance" );
+			assertThat( task ).isNotNull();
+			assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.SUCCESS );
+		}
+
+		{
+			System.out.println( "Second execution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
+			final GradleRunner gradleRunner = GradleRunner.create()
+					.withProjectDir( projectDir.toFile() )
+					.withPluginClasspath()
+					.withDebug( true )
+					.withArguments( "hibernateEnhance", "--stacktrace", "--no-build-cache" )
+					.forwardOutput();
+			final BuildResult result = gradleRunner.build();
+			final BuildTask task = result.task( ":hibernateEnhance" );
+			assertThat( task ).isNotNull();
+			assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.UP_TO_DATE );
+		}
+	}
+
+	@Test
+	public void testJpaMetamodelGen(@TempDir Path projectDir) {
+		Copier.copyProject( "simple/build.gradle", projectDir );
+
+		final GradleRunner gradleRunner = GradleRunner.create()
+				.withProjectDir( projectDir.toFile() )
+				.withPluginClasspath()
+				.withDebug( true )
+				.withArguments( "clean", "generateJpaMetamodel", "--stacktrace", "--no-build-cache" )
+				.forwardOutput();
+
+		final BuildResult result = gradleRunner.build();
+		final BuildTask task = result.task( ":generateJpaMetamodel" );
+		assertThat( task ).isNotNull();
+		assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.SUCCESS );
+	}
+
+	@Test
+//	@Disabled( "up-to-date checking not working" )
+	public void testJpaMetamodelGenUpToDate(@TempDir Path projectDir) {
+		Copier.copyProject( "simple/build.gradle", projectDir );
+
+		{
+			System.out.println( "First execution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
+			final GradleRunner gradleRunner = GradleRunner.create()
+					.withProjectDir( projectDir.toFile() )
+					.withPluginClasspath()
+					.withDebug( true )
+					.withArguments( "clean", "generateJpaMetamodel", "-xhibernateEnhance", "--stacktrace", "--no-build-cache" )
+					.forwardOutput();
+
+			final BuildResult result = gradleRunner.build();
+			final BuildTask task = result.task( ":generateJpaMetamodel" );
+			assertThat( task ).isNotNull();
+			assertThat( task.getOutcome() ).isEqualTo( TaskOutcome.SUCCESS );
+		}
+
+		{
+			System.out.println( "Second execution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" );
+			final GradleRunner gradleRunner2 = GradleRunner.create()
+					.withProjectDir( projectDir.toFile() )
+					.withPluginClasspath()
+					.withDebug( true )
+					.withArguments( "clean", "generateJpaMetamodel", "-xhibernateEnhance", "--stacktrace", "--no-build-cache" )
+					.forwardOutput();
+
+			final BuildResult result2 = gradleRunner2.build();
+			final BuildTask task2 = result2.task( ":generateJpaMetamodel" );
+			assertThat( task2 ).isNotNull();
+			assertThat( task2.getOutcome() ).isEqualTo( TaskOutcome.UP_TO_DATE );
+		}
+	}
+
+	@Test
+	@Disabled( "HHH-15314" )
+	public void testEnhanceKotlinModel(@TempDir Path projectDir) {
+		Copier.copyProject( "simple-kotlin/build.gradle", projectDir );
+
+		final GradleRunner gradleRunner = GradleRunner.create()
+				.withProjectDir( projectDir.toFile() )
+				.withPluginClasspath()
+				.withDebug( true )
+				.withArguments( "clean", "hibernateEnhance", "--stacktrace", "--no-build-cache" )
+				.forwardOutput();
+
+		final BuildResult result = gradleRunner.build();
+		final BuildTask task = result.task( ":hibernateEnhance" );
+		assertThat( task ).isNotNull();
+	}
+}

tooling/hibernate-gradle-plugin/src/test/resources/projects/simple-kotlin/build.gradle

@@ -0,0 +1,33 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.6.21'
+    id 'org.hibernate.orm'
+}
+
+repositories {
+    mavenCentral()
+
+    maven {
+        name 'jboss-snapshots-repository'
+        url 'https://repository.jboss.org/nexus/content/repositories/snapshots'
+    }
+}
+
+dependencies {
+    implementation 'jakarta.persistence:jakarta.persistence-api:3.0.0'
+}
+
+hibernate {
+    enhancement {
+        lazyInitialization( true )
+        dirtyTracking = true
+    }
+    jpaMetamodel {
+    }
+}

tooling/hibernate-gradle-plugin/src/test/resources/projects/simple-kotlin/src/main/kotlin/TheEntity.kt

@@ -0,0 +1,9 @@
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+
+@Entity
+class TheEntity (
+    @Id
+    var id: Long? = null,
+    var name: String? = null,
+)

tooling/hibernate-gradle-plugin/src/test/resources/projects/simple/build.gradle

@@ -0,0 +1,33 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+
+plugins {
+    id 'java'
+    id 'org.hibernate.orm'
+}
+
+repositories {
+    mavenCentral()
+
+    maven {
+        name 'jboss-snapshots-repository'
+        url 'https://repository.jboss.org/nexus/content/repositories/snapshots'
+    }
+}
+
+dependencies {
+    implementation 'jakarta.persistence:jakarta.persistence-api:3.0.0'
+}
+
+hibernate {
+    enhancement {
+        lazyInitialization( true )
+        dirtyTracking = true
+    }
+    jpaMetamodel {
+    }
+}

tooling/hibernate-gradle-plugin/src/test/resources/projects/simple/src/main/java/TheEmbeddable.java

@@ -1,3 +1,9 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html.
+ */
 import jakarta.persistence.Embeddable;
 
 @Embeddable

tooling/hibernate-gradle-plugin/src/test/resources/projects/simple/src/main/java/TheEntity.java

@@ -1,3 +1,9 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html.
+ */
 import jakarta.persistence.ElementCollection;
 import jakarta.persistence.Embedded;
 import jakarta.persistence.Entity;

tooling/hibernate-gradle-plugin/src/testKit/java/org/hibernate/orm/tooling/gradle/HibernateOrmPluginTest.java

@@ -1,91 +0,0 @@
-/*
- * Hibernate, Relational Persistence for Idiomatic Java
- *
- * License: GNU Lesser General Public License (LGPL), version 2.1 or later
- * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
- */
-package org.hibernate.orm.tooling.gradle;
-
-import org.gradle.testkit.runner.BuildResult;
-import org.gradle.testkit.runner.BuildTask;
-import org.gradle.testkit.runner.GradleRunner;
-import org.gradle.testkit.runner.TaskOutcome;
-
-import org.junit.jupiter.api.Disabled;
-import org.junit.jupiter.api.Test;
-
-import com.github.sebersole.testkit.Project;
-import com.github.sebersole.testkit.ProjectScope;
-import com.github.sebersole.testkit.TestKit;
-
-import static org.hamcrest.CoreMatchers.anyOf;
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
-
-/**
- * Test what we can.  TestKit is better than nothing, but still somewhat limited in what
- * you can test in my experience
- *
- * @author Steve Ebersole
- */
-@TestKit
-class HibernateOrmPluginTest {
-	@Test
-	public void testEnhancementTaskAsFinalizer(@Project( "simple" ) ProjectScope projectScope) {
-		final GradleRunner gradleRunner = projectScope.createGradleRunner( "clean", "compileJava" );
-		final BuildResult result = gradleRunner.build();
-		final BuildTask task = result.task( ":hibernateEnhance" );
-		assert task != null;
-
-		assertThat(
-				task.getOutcome(),
-				anyOf( is( TaskOutcome.SUCCESS ), is( TaskOutcome.UP_TO_DATE ) )
-		);
-	}
-
-	@Test
-	public void testEnhancementTask(@Project( "simple" ) ProjectScope projectScope) {
-		final GradleRunner gradleRunner = projectScope.createGradleRunner(
-				"clean",
-				"hibernateEnhance"
-		);
-		final BuildResult result = gradleRunner.build();
-		final BuildTask task = result.task( ":hibernateEnhance" );
-		assert task != null;
-
-		assertThat( task.getOutcome(), is( TaskOutcome.SUCCESS ) );
-	}
-
-	@Test
-	public void testEnhancementTaskUpToDate(@Project( "simple" ) ProjectScope projectScope) {
-		final GradleRunner gradleRunner = projectScope.createGradleRunner(
-				"clean",
-				"hibernateEnhance"
-		);
-		final BuildResult result = gradleRunner.build();
-		final BuildTask task = result.task( ":hibernateEnhance" );
-		assert task != null;
-
-		assertThat(
-				task.getOutcome(),
-				anyOf( is( TaskOutcome.SUCCESS ), is( TaskOutcome.UP_TO_DATE ) )
-		);
-	}
-
-	@Test
-//	@Disabled( "Problem with ClassPathAndModulePathAggregatedServiceLoader and loading Java services" )
-	public void testJpaMetamodelGen(@Project( "simple" ) ProjectScope projectScope) {
-		final GradleRunner gradleRunner = projectScope.createGradleRunner(
-				"clean",
-				"generateJpaMetamodel"
-		);
-		final BuildResult result = gradleRunner.build();
-		final BuildTask task = result.task( ":generateJpaMetamodel" );
-		assert task != null;
-
-		assertThat(
-				task.getOutcome(),
-				anyOf( is( TaskOutcome.SUCCESS ), is( TaskOutcome.UP_TO_DATE ) )
-		);
-	}
-}