Add bytecode preprocessing tests

Signed-off-by: Alexander Pinčuk <alexander.v.pinchuk@gmail.com>

appserver/tests/application/pom.xml

@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2023 Contributors to the Eclipse Foundation. All rights reserved.
+
+    This program and the accompanying materials are made available under the
+    terms of the Eclipse Public License v. 2.0, which is available at
+    http://www.eclipse.org/legal/epl-2.0.
+
+    This Source Code may also be made available under the following Secondary
+    Licenses when the conditions for such availability set forth in the
+    Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+    version 2 with the GNU Classpath Exception, which is available at
+    https://www.gnu.org/software/classpath/license.html.
+
+    SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
@@ -75,6 +92,11 @@
             <artifactId>jakarta.ws.rs-api</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>jakarta.persistence</groupId>
+            <artifactId>jakarta.persistence-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>org.glassfish.wasp</groupId>
             <artifactId>wasp</artifactId>

appserver/tests/application/src/main/java/org/glassfish/main/test/app/persistence/transform/ejb/ClassTransformerBean.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.persistence.transform.ejb;
+
+import jakarta.ejb.Stateless;
+import jakarta.persistence.EntityManagerFactory;
+import jakarta.persistence.PersistenceUnit;
+
+@Stateless
+public class ClassTransformerBean {
+
+    @PersistenceUnit(unitName = "transformPU")
+    private EntityManagerFactory persistenceUnit;
+
+    public String getResult() {
+        return null;
+    }
+}

appserver/tests/application/src/main/java/org/glassfish/main/test/app/persistence/transform/provider/ClassTransformerImpl.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.persistence.transform.provider;
+
+import jakarta.persistence.spi.ClassTransformer;
+
+import java.security.ProtectionDomain;
+
+public class ClassTransformerImpl implements ClassTransformer {
+
+    @Override
+    public byte[] transform(ClassLoader loader,
+                            String className,
+                            Class<?> classBeingRedefined,
+                            ProtectionDomain protectionDomain,
+                            byte[] classfileBuffer) {
+        // Produces circular attempts of transformation.
+        return Enhancer.enhance(classfileBuffer, new EnhancerContext());
+    }
+}

appserver/tests/application/src/main/java/org/glassfish/main/test/app/persistence/transform/provider/Enhancer.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.persistence.transform.provider;
+
+public class Enhancer {
+
+    public static byte[] enhance(byte[] classfileBuffer, EnhancerContext context) {
+        return classfileBuffer;
+    }
+}

appserver/tests/application/src/main/java/org/glassfish/main/test/app/persistence/transform/provider/EnhancerContext.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.persistence.transform.provider;
+
+public class EnhancerContext {
+
+}

appserver/tests/application/src/main/java/org/glassfish/main/test/app/persistence/transform/provider/EntityManagerFactoryImpl.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.persistence.transform.provider;
+
+import jakarta.persistence.Cache;
+import jakarta.persistence.EntityGraph;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import jakarta.persistence.PersistenceUnitUtil;
+import jakarta.persistence.Query;
+import jakarta.persistence.SynchronizationType;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.metamodel.Metamodel;
+import jakarta.persistence.spi.PersistenceUnitInfo;
+
+import java.util.Map;
+
+public class EntityManagerFactoryImpl implements EntityManagerFactory {
+
+    public EntityManagerFactoryImpl(PersistenceUnitInfo persistenceUnitInfo) {
+        persistenceUnitInfo.addTransformer(new ClassTransformerImpl());
+    }
+
+    @Override
+    public EntityManager createEntityManager() {
+        return new EntityManagerImpl();
+    }
+
+    @Override
+    public EntityManager createEntityManager(Map properties) {
+        return null;
+    }
+
+    @Override
+    public EntityManager createEntityManager(SynchronizationType synchronizationType) {
+        return null;
+    }
+
+    @Override
+    public EntityManager createEntityManager(SynchronizationType synchronizationType, Map properties) {
+        return null;
+    }
+
+    @Override
+    public CriteriaBuilder getCriteriaBuilder() {
+        return null;
+    }
+
+    @Override
+    public Metamodel getMetamodel() {
+        return null;
+    }
+
+    @Override
+    public boolean isOpen() {
+        return false;
+    }
+
+    @Override
+    public void close() {
+
+    }
+
+    @Override
+    public Map<String, Object> getProperties() {
+        return null;
+    }
+
+    @Override
+    public Cache getCache() {
+        return null;
+    }
+
+    @Override
+    public PersistenceUnitUtil getPersistenceUnitUtil() {
+        return null;
+    }
+
+    @Override
+    public void addNamedQuery(String name, Query query) {
+
+    }
+
+    @Override
+    public <T> T unwrap(Class<T> cls) {
+        return null;
+    }
+
+    @Override
+    public <T> void addNamedEntityGraph(String graphName, EntityGraph<T> entityGraph) {
+
+    }
+}