/*
* 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.envers.test.integration.strategy;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import javax.persistence.EntityManager;
import org.hibernate.envers.configuration.EnversSettings;
import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.manytomany.SetOwnedEntity;
import org.hibernate.envers.test.entities.manytomany.SetOwningEntity;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Tests the ValidityAuditStrategy on many-to-many Sets.
* It was first introduced because of a bug when adding and removing the same element
* from the set multiple times between database persists.
* Created on: 24.05.11
*
* @author Oliver Lorenz
* @since 3.6.5
*/
public class ValidityAuditStrategyManyToManyTest extends BaseEnversJPAFunctionalTestCase {
private Integer ing_id;
private Integer ed_id;
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {SetOwningEntity.class, SetOwnedEntity.class};
}
@Override
protected void addConfigOptions(Map options) {
options.put( EnversSettings.AUDIT_STRATEGY, "org.hibernate.envers.strategy.ValidityAuditStrategy" );
}
@Test
@Priority(10)
public void initData() {
final EntityManager em = getEntityManager();
final SetOwningEntity setOwningEntity = new SetOwningEntity( 1, "parent" );
final SetOwnedEntity setOwnedEntity = new SetOwnedEntity( 2, "child" );
// Revision 1: Initial persist
em.getTransaction().begin();
em.persist( setOwningEntity );
em.persist( setOwnedEntity );
em.getTransaction().commit();
em.clear();
ing_id = setOwningEntity.getId();
ed_id = setOwnedEntity.getId();
}
@Test
@Priority(5)
public void testMultipleAddAndRemove() {
final EntityManager em = getEntityManager();
// Revision 2: add child for first time
em.getTransaction().begin();
SetOwningEntity owningEntity = getEntityManager().find( SetOwningEntity.class, ing_id );
SetOwnedEntity ownedEntity = getEntityManager().find( SetOwnedEntity.class, ed_id );
owningEntity.setReferences( new HashSet<SetOwnedEntity>() );
owningEntity.getReferences().add( ownedEntity );
em.getTransaction().commit();
em.clear();
// Revision 3: remove child
em.getTransaction().begin();
owningEntity = getEntityManager().find( SetOwningEntity.class, ing_id );
ownedEntity = getEntityManager().find( SetOwnedEntity.class, ed_id );
owningEntity.getReferences().remove( ownedEntity );
em.getTransaction().commit();
em.clear();
// Revision 4: add child again
em.getTransaction().begin();
owningEntity = getEntityManager().find( SetOwningEntity.class, ing_id );
ownedEntity = getEntityManager().find( SetOwnedEntity.class, ed_id );
owningEntity.getReferences().add( ownedEntity );
em.getTransaction().commit();
em.clear();
// Revision 5: remove child again
em.getTransaction().begin();
owningEntity = getEntityManager().find( SetOwningEntity.class, ing_id );
ownedEntity = getEntityManager().find( SetOwnedEntity.class, ed_id );
owningEntity.getReferences().remove( ownedEntity );
em.getTransaction().commit();
em.clear();
// now the set owning entity list should be empty again
owningEntity = getEntityManager().find( SetOwningEntity.class, ing_id );
assertEquals( owningEntity.getReferences().size(), 0 );
}
@Test
public void testRevisionsCounts() {
assertEquals( getAuditReader().getRevisions( SetOwningEntity.class, ing_id ), Arrays.asList( 1, 2, 3, 4, 5 ) );
assertEquals( getAuditReader().getRevisions( SetOwnedEntity.class, ed_id ), Arrays.asList( 1, 2, 3, 4, 5 ) );
}
@Test
public void testHistoryOfIng1() {
SetOwningEntity ver_empty = createOwningEntity();
SetOwningEntity ver_child = createOwningEntity( new SetOwnedEntity( ed_id, "child" ) );
assertEquals( getAuditReader().find( SetOwningEntity.class, ing_id, 1 ), ver_empty );
assertEquals( getAuditReader().find( SetOwningEntity.class, ing_id, 2 ), ver_child );
assertEquals( getAuditReader().find( SetOwningEntity.class, ing_id, 3 ), ver_empty );
assertEquals( getAuditReader().find( SetOwningEntity.class, ing_id, 4 ), ver_child );
assertEquals( getAuditReader().find( SetOwningEntity.class, ing_id, 5 ), ver_empty );
}
@Test
public void testHistoryOfEd1() {
SetOwnedEntity ver_empty = createOwnedEntity();
SetOwnedEntity ver_child = createOwnedEntity( new SetOwningEntity( ing_id, "parent" ) );
assertEquals( getAuditReader().find( SetOwnedEntity.class, ed_id, 1 ), ver_empty );
assertEquals( getAuditReader().find( SetOwnedEntity.class, ed_id, 2 ), ver_child );
assertEquals( getAuditReader().find( SetOwnedEntity.class, ed_id, 3 ), ver_empty );
assertEquals( getAuditReader().find( SetOwnedEntity.class, ed_id, 4 ), ver_child );
assertEquals( getAuditReader().find( SetOwnedEntity.class, ed_id, 5 ), ver_empty );
}
private SetOwningEntity createOwningEntity(SetOwnedEntity... owned) {
SetOwningEntity result = new SetOwningEntity( ing_id, "parent" );
result.setReferences( new HashSet<SetOwnedEntity>() );
for ( SetOwnedEntity setOwnedEntity : owned ) {
result.getReferences().add( setOwnedEntity );
}
return result;
}
private SetOwnedEntity createOwnedEntity(SetOwningEntity... owning) {
SetOwnedEntity result = new SetOwnedEntity( ed_id, "child" );
result.setReferencing( new HashSet<SetOwningEntity>() );
for ( SetOwningEntity setOwningEntity : owning ) {
result.getReferencing().add( setOwningEntity );
}
return result;
}
}