//$Id: ImmutableTest.java 16514 2009-05-06 01:57:32Z gbadner $
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.test.immutable;
import java.util.Iterator;
import junit.framework.Test;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.HibernateException;
import org.hibernate.criterion.Projections;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
/**
* @author Gavin King
*/
public class ImmutableTest extends FunctionalTestCase {
public ImmutableTest(String str) {
super(str);
}
public String[] getMappings() {
return new String[] { "immutable/ContractVariation.hbm.xml" };
}
public static Test suite() {
return new FunctionalTestClassTestSuite( ImmutableTest.class );
}
public void testImmutable() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
c.setCustomerName("foo bar");
c.getVariations().add( new ContractVariation(3, c) );
cv1 = (ContractVariation) c.getVariations().iterator().next();
cv1.setText("blah blah");
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableParentEntityWithUpdate() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.setCustomerName("foo bar");
s.update( c );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableChildEntityWithUpdate() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
cv1 = (ContractVariation) c.getVariations().iterator().next();
cv1.setText("blah blah");
s.update( c );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableCollectionWithUpdate() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.getVariations().add( new ContractVariation(3, c) );
try {
s.update( c );
fail( "should have failed because reassociated object has a dirty collection");
}
catch ( HibernateException ex ) {
// expected
}
finally {
t.rollback();
s.close();
}
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableParentEntityWithMerge() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.setCustomerName("foo bar");
s.merge( c );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableChildEntityWithMerge() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
cv1 = (ContractVariation) c.getVariations().iterator().next();
cv1.setText("blah blah");
s.merge( c );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
public void testImmutableCollectionWithMerge() {
Contract c = new Contract("gavin", "phone");
ContractVariation cv1 = new ContractVariation(1, c);
cv1.setText("expensive");
ContractVariation cv2 = new ContractVariation(2, c);
cv2.setText("more expensive");
Session s = openSession();
Transaction t = s.beginTransaction();
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.getVariations().add( new ContractVariation(3, c) );
s.merge( c );
try {
t.commit();
fail( "should have failed because an immutable collection was changed");
}
catch ( HibernateException ex ) {
// expected
t.rollback();
}
finally {
s.close();
}
s = openSession();
t = s.beginTransaction();
c = (Contract) s.createCriteria(Contract.class).uniqueResult();
assertEquals( c.getCustomerName(), "gavin" );
assertEquals( c.getVariations().size(), 2 );
Iterator it = c.getVariations().iterator();
cv1 = (ContractVariation) it.next();
assertEquals( cv1.getText(), "expensive" );
cv2 = (ContractVariation) it.next();
assertEquals( cv2.getText(), "more expensive" );
s.delete(c);
assertEquals( s.createCriteria(Contract.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
assertEquals( s.createCriteria(ContractVariation.class).setProjection( Projections.rowCount() ).uniqueResult(), new Integer(0) );
t.commit();
s.close();
}
}