// $Id$
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.test.ops;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceException;
import javax.persistence.RollbackException;
import org.junit.Test;
import org.hibernate.cfg.Environment;
import org.hibernate.ejb.EntityManagerFactoryImpl;
import org.hibernate.ejb.test.BaseEntityManagerFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
/**
* @author Gavin King
* @author Hardy Ferentschik
*/
public class PersistTest extends BaseEntityManagerFunctionalTestCase {
@Test
public void testCreateTree() {
clearCounts();
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Node root = new Node( "root" );
Node child = new Node( "child" );
root.addChild( child );
em.persist( root );
em.getTransaction().commit();
em.close();
assertInsertCount( 2 );
assertUpdateCount( 0 );
em = getOrCreateEntityManager();
em.getTransaction().begin();
root = em.find( Node.class, "root" );
Node child2 = new Node( "child2" );
root.addChild( child2 );
em.getTransaction().commit();
em.close();
assertInsertCount( 3 );
assertUpdateCount( 0 );
}
@Test
public void testCreateTreeWithGeneratedId() {
clearCounts();
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
NumberedNode root = new NumberedNode( "root" );
NumberedNode child = new NumberedNode( "child" );
root.addChild( child );
em.persist( root );
em.getTransaction().commit();
em.close();
assertInsertCount( 2 );
assertUpdateCount( 0 );
em = getOrCreateEntityManager();
em.getTransaction().begin();
root = em.find( NumberedNode.class, root.getId() );
NumberedNode child2 = new NumberedNode( "child2" );
root.addChild( child2 );
em.getTransaction().commit();
em.close();
assertInsertCount( 3 );
assertUpdateCount( 0 );
}
@Test
public void testCreateException() {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Node dupe = new Node( "dupe" );
em.persist( dupe );
em.persist( dupe );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( dupe );
try {
em.getTransaction().commit();
fail( "Cannot persist() twice the same entity" );
}
catch ( Exception cve ) {
//verify that an exception is thrown!
}
em.close();
Node nondupe = new Node( "nondupe" );
nondupe.addChild( dupe );
em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( nondupe );
try {
em.getTransaction().commit();
assertFalse( true );
}
catch ( RollbackException e ) {
//verify that an exception is thrown!
}
em.close();
}
@Test
public void testCreateExceptionWithGeneratedId() {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
NumberedNode dupe = new NumberedNode( "dupe" );
em.persist( dupe );
em.persist( dupe );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
try {
em.persist( dupe );
fail();
}
catch ( PersistenceException poe ) {
//verify that an exception is thrown!
}
em.getTransaction().rollback();
em.close();
NumberedNode nondupe = new NumberedNode( "nondupe" );
nondupe.addChild( dupe );
em = getOrCreateEntityManager();
em.getTransaction().begin();
try {
em.persist( nondupe );
fail();
}
catch ( PersistenceException poe ) {
//verify that an exception is thrown!
}
em.getTransaction().rollback();
em.close();
}
@Test
public void testBasic() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Employer er = new Employer();
Employee ee = new Employee();
em.persist( ee );
Collection<Employee> erColl = new ArrayList<Employee>();
Collection<Employer> eeColl = new ArrayList<Employer>();
erColl.add( ee );
eeColl.add( er );
er.setEmployees( erColl );
ee.setEmployers( eeColl );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
er = em.find( Employer.class, er.getId() );
assertNotNull( er );
assertNotNull( er.getEmployees() );
assertEquals( 1, er.getEmployees().size() );
Employee eeFromDb = ( Employee ) er.getEmployees().iterator().next();
assertEquals( ee.getId(), eeFromDb.getId() );
em.getTransaction().commit();
em.close();
}
private void clearCounts() {
( ( EntityManagerFactoryImpl ) entityManagerFactory() ).getSessionFactory().getStatistics().clear();
}
private void assertInsertCount(int count) {
int inserts = ( int ) ( ( EntityManagerFactoryImpl ) entityManagerFactory() ).getSessionFactory()
.getStatistics()
.getEntityInsertCount();
assertEquals( count, inserts );
}
private void assertUpdateCount(int count) {
int updates = ( int ) ( ( EntityManagerFactoryImpl ) entityManagerFactory() ).getSessionFactory()
.getStatistics()
.getEntityUpdateCount();
assertEquals( count, updates );
}
@Override
@SuppressWarnings( {"unchecked"})
protected void addConfigOptions(Map options) {
options.put( Environment.GENERATE_STATISTICS, "true" );
options.put( Environment.STATEMENT_BATCH_SIZE, "0" );
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] { Node.class };
}
@Override
protected String[] getMappings() {
return new String[] {
"org/hibernate/ejb/test/ops/Node.hbm.xml",
"org/hibernate/ejb/test/ops/Employer.hbm.xml"
};
}
}