/*
* 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.reventity.removal;
import java.util.ArrayList;
import java.util.Map;
import javax.persistence.EntityManager;
import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.StrTestEntity;
import org.hibernate.envers.test.entities.manytomany.ListOwnedEntity;
import org.hibernate.envers.test.entities.manytomany.ListOwningEntity;
import org.hibernate.testing.DialectChecks;
import org.hibernate.testing.RequiresDialectFeature;
import org.hibernate.testing.TestForIssue;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
@TestForIssue( jiraKey = "HHH-7807" )
@RequiresDialectFeature(DialectChecks.SupportsCascadeDeleteCheck.class)
public abstract class AbstractRevisionEntityRemovalTest extends BaseEnversJPAFunctionalTestCase {
@Override
protected void addConfigOptions(Map options) {
options.put( "org.hibernate.envers.cascade_delete_revision", "true" );
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] {
StrTestEntity.class, ListOwnedEntity.class, ListOwningEntity.class,
getRevisionEntityClass()
};
}
@Test
@Priority(10)
public void initData() {
EntityManager em = getEntityManager();
// Revision 1 - simple entity
em.getTransaction().begin();
em.persist( new StrTestEntity( "data" ) );
em.getTransaction().commit();
// Revision 2 - many-to-many relation
em.getTransaction().begin();
ListOwnedEntity owned = new ListOwnedEntity( 1, "data" );
ListOwningEntity owning = new ListOwningEntity( 1, "data" );
owned.setReferencing( new ArrayList<ListOwningEntity>() );
owning.setReferences( new ArrayList<ListOwnedEntity>() );
owned.getReferencing().add( owning );
owning.getReferences().add( owned );
em.persist( owned );
em.persist( owning );
em.getTransaction().commit();
em.getTransaction().begin();
Assert.assertEquals( 1, countRecords( em, "STR_TEST_AUD" ) );
Assert.assertEquals( 1, countRecords( em, "ListOwned_AUD" ) );
Assert.assertEquals( 1, countRecords( em, "ListOwning_AUD" ) );
Assert.assertEquals( 1, countRecords( em, "ListOwning_ListOwned_AUD" ) );
em.getTransaction().commit();
em.close();
}
@Test
@Priority(9)
public void testRemoveExistingRevisions() {
EntityManager em = getEntityManager();
removeRevision( em, 1 );
removeRevision( em, 2 );
em.close();
}
@Test
@Priority(8)
public void testEmptyAuditTables() {
EntityManager em = getEntityManager();
em.getTransaction().begin();
Assert.assertEquals( 0, countRecords( em, "STR_TEST_AUD" ) );
Assert.assertEquals( 0, countRecords( em, "ListOwned_AUD" ) );
Assert.assertEquals( 0, countRecords( em, "ListOwning_AUD" ) );
Assert.assertEquals( 0, countRecords( em, "ListOwning_ListOwned_AUD" ) );
em.getTransaction().commit();
em.close();
}
private int countRecords(EntityManager em, String tableName) {
return ( (Number) em.createNativeQuery( "SELECT COUNT(*) FROM " + tableName ).getSingleResult() ).intValue();
}
private void removeRevision(EntityManager em, Number number) {
em.getTransaction().begin();
Object entity = em.find( getRevisionEntityClass(), number );
Assert.assertNotNull( entity );
em.remove( entity );
em.getTransaction().commit();
Assert.assertNull( em.find( getRevisionEntityClass(), number ) );
}
protected abstract Class<?> getRevisionEntityClass();
}