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HHH-11882 - Remove old bytecode enhancer testing infrastructure

This commit is contained in:
barreiro 2017-07-11 16:38:57 +01:00 committed by Steve Ebersole
parent d3ce7ded37
commit a2803d7703
3 changed files with 5 additions and 305 deletions
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123
hibernate-testing/src/main/java/org/hibernate/testing/bytecode/enhancement/DecompileUtils.java
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@ -1,123 +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.testing.bytecode.enhancement;
import java.io.File;
import javax.tools.JavaFileObject;
import org.hibernate.internal.CoreLogging;
import org.hibernate.internal.CoreMessageLogger;
//
//import com.sun.tools.classfile.ConstantPoolException;
//import com.sun.tools.javap.JavapTask;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* utility class to use in bytecode enhancement tests
*
* @author Luis Barreiro
*/
public abstract class DecompileUtils {
private static final CoreMessageLogger log = CoreLogging.messageLogger( DecompileUtils.class );
// Had to gut this because Java does not make JAVAP available via ToolProvider
// instead on has to rely on tools.jar classes directly :(
public static void decompileDumpedClass(String workingDir, String className) {
// try {
// JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
// StandardJavaFileManager fileManager = compiler.getStandardFileManager( null, null, null );
// fileManager.setLocation(
// StandardLocation.CLASS_OUTPUT,
// Collections.singletonList( new File( workingDir ) )
// );
//
// JavapTask javapTask = new JavapTask();
// String filename = workingDir + File.separator + getFilenameForClassName( className );
// for ( JavaFileObject jfo : fileManager.getJavaFileObjects( filename ) ) {
// try {
// Set<String> interfaceNames = new HashSet<String>();
// Set<String> fieldNames = new HashSet<String>();
// Set<String> methodNames = new HashSet<String>();
//
// JavapTask.ClassFileInfo info = javapTask.read( jfo );
//
// log.infof( "decompiled class [%s]", info.cf.getName() );
//
// for ( int i : info.cf.interfaces ) {
// interfaceNames.add( info.cf.constant_pool.getClassInfo( i ).getName() );
// log.debugf( "declared iFace = ", info.cf.constant_pool.getClassInfo( i ).getName() );
// }
// for ( com.sun.tools.classfile.Field f : info.cf.fields ) {
// fieldNames.add( f.getName( info.cf.constant_pool ) );
// log.debugf( "declared field = ", f.getName( info.cf.constant_pool ) );
// }
// for ( com.sun.tools.classfile.Method m : info.cf.methods ) {
// methodNames.add( m.getName( info.cf.constant_pool ) );
// log.debugf( "declared method = ", m.getName( info.cf.constant_pool ) );
// }
//
// // checks signature against known interfaces
// if ( interfaceNames.contains( PersistentAttributeInterceptor.class.getName() ) ) {
// assertTrue( fieldNames.contains( EnhancerConstants.INTERCEPTOR_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.INTERCEPTOR_GETTER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.INTERCEPTOR_SETTER_NAME ) );
// }
// if ( interfaceNames.contains( ManagedEntity.class.getName() ) ) {
// assertTrue( methodNames.contains( EnhancerConstants.ENTITY_INSTANCE_GETTER_NAME ) );
//
// assertTrue( fieldNames.contains( EnhancerConstants.ENTITY_ENTRY_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.ENTITY_ENTRY_GETTER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.ENTITY_ENTRY_SETTER_NAME ) );
//
// assertTrue( fieldNames.contains( EnhancerConstants.PREVIOUS_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.PREVIOUS_GETTER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.PREVIOUS_SETTER_NAME ) );
//
// assertTrue( fieldNames.contains( EnhancerConstants.NEXT_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.NEXT_GETTER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.NEXT_SETTER_NAME ) );
// }
// if ( interfaceNames.contains( SelfDirtinessTracker.class.getName() ) ) {
// assertTrue( fieldNames.contains( EnhancerConstants.TRACKER_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_CHANGER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_GET_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_CLEAR_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_HAS_CHANGED_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_SUSPEND_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_COLLECTION_GET_NAME ) );
// }
// if ( interfaceNames.contains( CompositeTracker.class.getName() ) ) {
// assertTrue( fieldNames.contains( EnhancerConstants.TRACKER_COMPOSITE_FIELD_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_COMPOSITE_SET_OWNER ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_COMPOSITE_SET_OWNER ) );
// }
// if ( interfaceNames.contains( CompositeOwner.class.getName() ) ) {
// assertTrue( fieldNames.contains( EnhancerConstants.TRACKER_CHANGER_NAME ) );
// assertTrue( methodNames.contains( EnhancerConstants.TRACKER_CHANGER_NAME ) );
// }
// }
// catch (ConstantPoolException e) {
// e.printStackTrace();
// }
// }
// }
// catch (IOException ioe) {
// assertNull( "Failed to open class file", ioe );
// }
// catch (RuntimeException re) {
// log.warnf( re, "WARNING: UNABLE DECOMPILE DUE TO %s", re.getMessage() );
// }
}
private static String getFilenameForClassName(String className) {
return className.replace( '.', File.separatorChar ) + JavaFileObject.Kind.CLASS.extension;
}
}

22
hibernate-testing/src/main/java/org/hibernate/testing/bytecode/enhancement/EnhancerTestTask.java
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@ -1,22 +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.testing.bytecode.enhancement;
/**
* @author Luis Barreiro
*/
public interface EnhancerTestTask {
Class<?>[] getAnnotatedClasses();
void prepare();
void execute();
void complete();
}

165
hibernate-testing/src/main/java/org/hibernate/testing/bytecode/enhancement/EnhancerTestUtils.java
View File

@ -6,36 +6,17 @@
*/
package org.hibernate.testing.bytecode.enhancement;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.Arrays;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.LoaderClassPath;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.bytecode.enhance.spi.EnhancementContext;
import org.hibernate.bytecode.enhance.spi.Enhancer;
import org.hibernate.cfg.Environment;
import org.hibernate.engine.internal.MutableEntityEntryFactory;
import org.hibernate.engine.spi.EntityEntry;
import org.hibernate.engine.spi.SelfDirtinessTracker;
import org.hibernate.engine.spi.Status;
import org.hibernate.internal.CoreLogging;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import java.lang.reflect.Field;
import java.util.Arrays;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@ -46,139 +27,6 @@ import static org.junit.Assert.fail;
* @author Luis Barreiro
*/
public abstract class EnhancerTestUtils extends BaseUnitTestCase {
private static final CoreMessageLogger log = CoreLogging.messageLogger( EnhancerTestUtils.class );
private static String workingDir = System.getProperty( "java.io.tmpdir" );
/**
* method that performs the enhancement of a class
* also checks the signature of enhanced entities methods using 'javap' decompiler
*/
public static Class<?> enhanceAndDecompile(Class<?> classToEnhance, ClassLoader cl) throws Exception {
CtClass entityCtClass = generateCtClassForAnEntity( classToEnhance );
byte[] original = entityCtClass.toBytecode();
byte[] enhanced = Environment.getBytecodeProvider().getEnhancer( new EnhancerTestContext() ).enhance( entityCtClass.getName(), original );
assertFalse( "entity was not enhanced", enhanced == null );
log.infof( "enhanced entity [%s]", entityCtClass.getName() );
ClassPool cp = new ClassPool( false );
cp.appendClassPath( new LoaderClassPath( cl ) );
CtClass enhancedCtClass = cp.makeClass( new ByteArrayInputStream( enhanced ) );
enhancedCtClass.debugWriteFile( workingDir );
DecompileUtils.decompileDumpedClass( workingDir, classToEnhance.getName() );
Class<?> enhancedClass = enhancedCtClass.toClass( cl, EnhancerTestUtils.class.getProtectionDomain() );
assertNotNull( enhancedClass );
return enhancedClass;
}
private static CtClass generateCtClassForAnEntity(Class<?> entityClassToEnhance) throws Exception {
ClassPool cp = new ClassPool( false );
ClassLoader cl = EnhancerTestUtils.class.getClassLoader();
return cp.makeClass( cl.getResourceAsStream( entityClassToEnhance.getName().replace( '.', '/' ) + ".class" ) );
}
/* --- */
public static <T extends EnhancerTestTask> void runEnhancerTestTask(Class<T> task) {
runEnhancerTestTask( task, new EnhancerTestContext() );
}
public static <T extends EnhancerTestTask> void runEnhancerTestTask(Class<T> task, EnhancementContext context) {
EnhancerTestTask taskObject = null;
ClassLoader defaultCL = Thread.currentThread().getContextClassLoader();
try {
ClassLoader cl = EnhancerTestUtils.getEnhancerClassLoader( context, task.getPackage().getName() );
EnhancerTestUtils.setupClassLoader( cl, task );
EnhancerTestUtils.setupClassLoader( cl, task.newInstance().getAnnotatedClasses() );
Thread.currentThread().setContextClassLoader( cl );
taskObject = cl.loadClass( task.getName() ).asSubclass( EnhancerTestTask.class ).newInstance();
taskObject.prepare();
taskObject.execute();
}
catch (Exception e) {
throw new HibernateException( "could not execute task", e );
}
finally {
try {
if ( taskObject != null ) {
taskObject.complete();
}
}
catch (Throwable ignore) {
}
Thread.currentThread().setContextClassLoader( defaultCL );
}
}
private static void setupClassLoader(ClassLoader cl, Class<?>... classesToLoad) {
for ( Class<?> classToLoad : classesToLoad ) {
try {
cl.loadClass( classToLoad.getName() );
}
catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
}
private static ClassLoader getEnhancerClassLoader(EnhancementContext context, String packageName) {
return new ClassLoader() {
private Enhancer enhancer = Environment.getBytecodeProvider().getEnhancer( context );
@SuppressWarnings("ResultOfMethodCallIgnored")
@Override
public Class<?> loadClass(String name) throws ClassNotFoundException {
if ( !name.startsWith( packageName ) ) {
return getParent().loadClass( name );
}
Class c = findLoadedClass( name );
if ( c != null ) {
return c;
}
InputStream is = getResourceAsStream( name.replace( '.', '/' ) + ".class" );
if ( is == null ) {
throw new ClassNotFoundException( name + " not found" );
}
try {
byte[] original = new byte[is.available()];
new BufferedInputStream( is ).read( original );
byte[] enhanced = enhancer.enhance( name, original );
if ( enhanced != null ) {
File f = new File( workingDir + File.separator + name.replace( ".", File.separator ) + ".class" );
f.getParentFile().mkdirs();
f.createNewFile();
FileOutputStream out = new FileOutputStream( f );
out.write( enhanced );
out.close();
}
else {
enhanced = original;
}
return defineClass( name, enhanced, 0, enhanced.length );
}
catch (Throwable t) {
throw new ClassNotFoundException( name + " not found", t );
}
finally {
try {
is.close();
}
catch (IOException ignore) {
}
}
}
};
}
public static Object getFieldByReflection(Object entity, String fieldName) {
try {
@ -186,11 +34,8 @@ public abstract class EnhancerTestUtils extends BaseUnitTestCase {
field.setAccessible( true );
return field.get( entity );
}
catch (NoSuchFieldException e) {
fail( "Fail to get field '" + fieldName + "' in entity " + entity );
}
catch (IllegalAccessException e) {
fail( "Fail to get field '" + fieldName + "' in entity " + entity );
catch (NoSuchFieldException | IllegalAccessException e) {
fail( "Fail to get field '" + fieldName + "' in entity " + entity + ": " + e.getMessage() );
}
return null;
}