/*
* 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.manytomanyassociationclass;
import java.util.HashSet;
import org.hibernate.Session;
import org.hibernate.testing.junit.functional.FunctionalTestCase;
/**
* Abstract class for tests on many-to-many association using an association class.
*
* @author Gail Badner
*/
public abstract class AbstractManyToManyAssociationClassTest extends FunctionalTestCase {
private User user;
private Group group;
private Membership membership;
public AbstractManyToManyAssociationClassTest(String string) {
super( string );
}
public abstract String[] getMappings();
public abstract Membership createMembership(String name);
protected void prepareTest() {
Session s = openSession();
s.beginTransaction();
user = new User( "user" );
group = new Group( "group" );
s.save( user );
s.save( group );
membership = createMembership( "membership");
addMembership( user, group, membership );
s.getTransaction().commit();
s.close();
}
protected void cleanupTest() {
if ( getSessions() != null ) {
Session s = openSession();
s.beginTransaction();
s.createQuery( "delete from " + membership.getClass().getName() );
s.createQuery( "delete from User" );
s.createQuery( "delete from Group" );
s.getTransaction().commit();
s.close();
}
}
public User getUser() {
return user;
}
public Group getGroup() {
return group;
}
public Membership getMembership() {
return membership;
}
public void testRemoveAndAddSameElement() {
deleteMembership( user, group, membership );
addMembership( user, group, membership );
Session s = openSession();
s.beginTransaction();
s.merge( user );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
user = ( User ) s.get( User.class, user.getId() );
group = ( Group ) s.get( Group.class, group.getId() );
membership = ( Membership ) s.get( membership.getClass(), membership.getId() );
assertEquals( "user", user.getName() );
assertEquals( "group", group.getName() );
assertEquals( "membership", membership.getName() );
assertEquals( 1, user.getMemberships().size() );
assertEquals( 1, group.getMemberships().size() );
assertSame( membership, user.getMemberships().iterator().next() );
assertSame( membership, group.getMemberships().iterator().next() );
assertSame( user, membership.getUser() );
assertSame( group, membership.getGroup() );
s.getTransaction().commit();
s.close();
}
public void testRemoveAndAddEqualElement() {
deleteMembership( user, group, membership );
membership = createMembership( "membership" );
addMembership( user, group, membership );
Session s = openSession();
s.beginTransaction();
s.merge( user );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
user = ( User ) s.get( User.class, user.getId() );
group = ( Group ) s.get( Group.class, group.getId() );
membership = ( Membership ) s.get( membership.getClass(), membership.getId() );
assertEquals( "user", user.getName() );
assertEquals( "group", group.getName() );
assertEquals( "membership", membership.getName() );
assertEquals( 1, user.getMemberships().size() );
assertEquals( 1, group.getMemberships().size() );
assertSame( membership, user.getMemberships().iterator().next() );
assertSame( membership, group.getMemberships().iterator().next() );
assertSame( user, membership.getUser() );
assertSame( group, membership.getGroup() );
s.getTransaction().commit();
s.close();
}
public void testRemoveAndAddEqualCollection() {
deleteMembership( user, group, membership );
membership = createMembership( "membership" );
user.setMemberships( new HashSet() );
group.setMemberships( new HashSet() );
addMembership( user, group, membership );
Session s = openSession();
s.beginTransaction();
s.merge( user );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
user = ( User ) s.get( User.class, user.getId() );
group = ( Group ) s.get( Group.class, group.getId() );
membership = ( Membership ) s.get( membership.getClass(), membership.getId() );
assertEquals( "user", user.getName() );
assertEquals( "group", group.getName() );
assertEquals( "membership", membership.getName() );
assertEquals( 1, user.getMemberships().size() );
assertEquals( 1, group.getMemberships().size() );
assertSame( membership, user.getMemberships().iterator().next() );
assertSame( membership, group.getMemberships().iterator().next() );
assertSame( user, membership.getUser() );
assertSame( group, membership.getGroup() );
s.getTransaction().commit();
s.close();
}
public void testRemoveAndAddSameElementNonKeyModified() {
deleteMembership( user, group, membership );
addMembership( user, group, membership );
membership.setName( "membership1" );
Session s = openSession();
s.beginTransaction();
s.merge( user );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
user = ( User ) s.get( User.class, user.getId() );
group = ( Group ) s.get( Group.class, group.getId() );
membership = ( Membership ) s.get( membership.getClass(), membership.getId() );
assertEquals( "user", user.getName() );
assertEquals( "group", group.getName() );
assertEquals( "membership1", membership.getName() );
assertEquals( 1, user.getMemberships().size() );
assertEquals( 1, group.getMemberships().size() );
assertSame( membership, user.getMemberships().iterator().next() );
assertSame( membership, group.getMemberships().iterator().next() );
assertSame( user, membership.getUser() );
assertSame( group, membership.getGroup() );
s.getTransaction().commit();
s.close();
}
public void testRemoveAndAddEqualElementNonKeyModified() {
deleteMembership( user, group, membership );
membership = createMembership( "membership" );
addMembership( user, group, membership );
membership.setName( "membership1" );
Session s = openSession();
s.beginTransaction();
s.merge( user );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
user = ( User ) s.get( User.class, user.getId() );
group = ( Group ) s.get( Group.class, group.getId() );
membership = ( Membership ) s.get( membership.getClass(), membership.getId() );
assertEquals( "user", user.getName() );
assertEquals( "group", group.getName() );
assertEquals( "membership1", membership.getName() );
assertEquals( 1, user.getMemberships().size() );
assertEquals( 1, group.getMemberships().size() );
assertSame( membership, user.getMemberships().iterator().next() );
assertSame( membership, group.getMemberships().iterator().next() );
assertSame( user, membership.getUser() );
assertSame( group, membership.getGroup() );
s.getTransaction().commit();
s.close();
}
public void testDeleteDetached() {
Session s = openSession();
s.beginTransaction();
s.delete( user );
s.delete( group );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
assertNull( s.get( User.class, user.getId() ) );
assertNull( s.get( Group.class , group.getId() ) );
assertNull( s.get( membership.getClass(), membership.getId() ) );
s.getTransaction().commit();
s.close();
}
public void deleteMembership(User u, Group g, Membership ug) {
if ( u == null || g == null ) {
throw new IllegalArgumentException();
}
u.getMemberships().remove( ug );
g.getMemberships().remove( ug );
ug.setUser( null );
ug.setGroup( null );
}
public void addMembership(User u, Group g, Membership ug) {
if ( u == null || g == null ) {
throw new IllegalArgumentException();
}
ug.setUser( u );
ug.setGroup( g );
u.getMemberships().add( ug );
g.getMemberships().add( ug );
}
}