/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.test.annotations.immutable;
import java.util.ArrayList;
import java.util.List;
import org.jboss.logging.Logger;
import org.hibernate.AnnotationException;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.junit.Test;
import org.hibernate.testing.ServiceRegistryBuilder;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Tests for <code>Immutable</code> annotation.
*
* @author Hardy Ferentschik
*/
@SuppressWarnings("unchecked")
public class ImmutableTest extends BaseCoreFunctionalTestCase {
private static final Logger log = Logger.getLogger( ImmutableTest.class );
@Test
public void testImmutableEntity() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Country country = new Country();
country.setName("Germany");
s.persist(country);
tx.commit();
s.close();
// try changing the entity
s = openSession();
tx = s.beginTransaction();
Country germany = (Country) s.get(Country.class, country.getId());
assertNotNull(germany);
germany.setName("France");
assertEquals("Local name can be changed", "France", germany.getName());
s.save(germany);
tx.commit();
s.close();
// retrieving the country again - it should be unmodified
s = openSession();
tx = s.beginTransaction();
germany = (Country) s.get(Country.class, country.getId());
assertNotNull(germany);
assertEquals("Name should not have changed", "Germany", germany.getName());
tx.commit();
s.close();
}
@Test
public void testImmutableCollection() {
Country country = new Country();
country.setName("Germany");
List states = new ArrayList<State>();
State bayern = new State();
bayern.setName("Bayern");
State hessen = new State();
hessen.setName("Hessen");
State sachsen = new State();
sachsen.setName("Sachsen");
states.add(bayern);
states.add(hessen);
states.add(sachsen);
country.setStates(states);
Session s = openSession();
Transaction tx = s.beginTransaction();
s.persist(country);
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
Country germany = (Country) s.get(Country.class, country.getId());
assertNotNull(germany);
assertEquals("Wrong number of states", 3, germany.getStates().size());
// try adding a state
State foobar = new State();
foobar.setName("foobar");
s.save(foobar);
germany.getStates().add(foobar);
try {
tx.commit();
fail();
}
catch (HibernateException e) {
assertTrue(e.getMessage().contains("changed an immutable collection instance"));
log.debug("success");
}
s.close();
s = openSession();
tx = s.beginTransaction();
germany = (Country) s.get(Country.class, country.getId());
assertNotNull(germany);
assertEquals("Wrong number of states", 3, germany.getStates().size());
// try deleting a state
germany.getStates().remove(0);
try {
tx.commit();
fail();
} catch (HibernateException e) {
assertTrue(e.getMessage().contains("changed an immutable collection instance"));
log.debug("success");
}
s.close();
s = openSession();
tx = s.beginTransaction();
germany = (Country) s.get(Country.class, country.getId());
assertNotNull(germany);
assertEquals("Wrong number of states", 3, germany.getStates().size());
tx.commit();
s.close();
}
@Test
public void testMiscplacedImmutableAnnotation() {
try {
Configuration config = new Configuration();
config.addAnnotatedClass(Foobar.class);
config.buildSessionFactory( ServiceRegistryBuilder.buildServiceRegistry( config.getProperties() ) );
fail();
}
catch (AnnotationException ae) {
log.debug("succes");
}
}
@Override
protected Class[] getAnnotatedClasses() {
return new Class[] { Country.class, State.class};
}
}