M2MRelationNotAuditedTarget.java example

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/*
 * 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.envers.test.integration.manytomany.unidirectional;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.persistence.EntityManager;

import org.junit.Test;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.UnversionedStrTestEntity;
import org.hibernate.envers.test.entities.manytomany.unidirectional.M2MTargetNotAuditedEntity;

import static org.hibernate.envers.test.tools.TestTools.checkList;
import static org.junit.Assert.assertTrue;

/**
 * A test for auditing a many-to-many relation where the target entity is not audited.
 * @author Adam Warski
 */
public class M2MRelationNotAuditedTarget extends BaseEnversJPAFunctionalTestCase {
	private Integer tnae1_id;
	private Integer tnae2_id;

	private Integer uste1_id;
	private Integer uste2_id;

	public void configure(Ejb3Configuration cfg) {
		cfg.addAnnotatedClass(M2MTargetNotAuditedEntity.class);
		cfg.addAnnotatedClass(UnversionedStrTestEntity.class);
	}

	@Test
    @Priority(10)
	public void initData() {
		EntityManager em = getEntityManager();

		UnversionedStrTestEntity uste1 = new UnversionedStrTestEntity("str1");
		UnversionedStrTestEntity uste2 = new UnversionedStrTestEntity("str2");

		// No revision
		em.getTransaction().begin();

		em.persist(uste1);
		em.persist(uste2);

		em.getTransaction().commit();

		// Revision 1
		em.getTransaction().begin();

		uste1 = em.find(UnversionedStrTestEntity.class, uste1.getId());
		uste2 = em.find(UnversionedStrTestEntity.class, uste2.getId());

		M2MTargetNotAuditedEntity tnae1 = new M2MTargetNotAuditedEntity(1, "tnae1", new ArrayList<UnversionedStrTestEntity>());
		M2MTargetNotAuditedEntity tnae2 = new M2MTargetNotAuditedEntity(2, "tnae2", new ArrayList<UnversionedStrTestEntity>());
        tnae2.getReferences().add(uste1);
        tnae2.getReferences().add(uste2);
		em.persist(tnae1);
		em.persist(tnae2);

		em.getTransaction().commit();

		// Revision 2
		em.getTransaction().begin();

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		tnae1.getReferences().add(uste1);
		tnae2.getReferences().remove(uste1);

		em.getTransaction().commit();

		// Revision 3
		em.getTransaction().begin();

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		//field not changed!!!
		tnae1.getReferences().add(uste1);
		tnae2.getReferences().remove(uste2);

		em.getTransaction().commit();

		// Revision 4
		em.getTransaction().begin();

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		tnae1.getReferences().add(uste2);
		tnae2.getReferences().add(uste1);

		em.getTransaction().commit();

		//
		tnae1_id = tnae1.getId();
		tnae2_id = tnae2.getId();
		uste1_id = uste1.getId();
		uste2_id = uste2.getId();
	}

	@Test
	public void testRevisionsCounts() {
		List<Number> revisions = getAuditReader().getRevisions(M2MTargetNotAuditedEntity.class, tnae1_id);
		assert Arrays.asList(1, 2, 4).equals(revisions);
		revisions = getAuditReader().getRevisions(M2MTargetNotAuditedEntity.class, tnae2_id);
		assert Arrays.asList(1, 2, 3, 4).equals(revisions);
	}

	@Test
	public void testHistoryOfTnae1_id() {
		UnversionedStrTestEntity uste1 = getEntityManager().find(UnversionedStrTestEntity.class, uste1_id);
		UnversionedStrTestEntity uste2 = getEntityManager().find(UnversionedStrTestEntity.class, uste2_id);

		M2MTargetNotAuditedEntity rev1 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 1);
		M2MTargetNotAuditedEntity rev2 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 2);
		M2MTargetNotAuditedEntity rev3 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 3);
		M2MTargetNotAuditedEntity rev4 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 4);

		assertTrue(checkList(rev1.getReferences()));
		assertTrue(checkList(rev2.getReferences(), uste1));
		assertTrue(checkList(rev3.getReferences(), uste1));
		assertTrue(checkList(rev4.getReferences(), uste1, uste2));
	}

	@Test
	public void testHistoryOfTnae2_id() {
		UnversionedStrTestEntity uste1 = getEntityManager().find(UnversionedStrTestEntity.class, uste1_id);
		UnversionedStrTestEntity uste2 = getEntityManager().find(UnversionedStrTestEntity.class, uste2_id);

		M2MTargetNotAuditedEntity rev1 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 1);
		M2MTargetNotAuditedEntity rev2 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 2);
		M2MTargetNotAuditedEntity rev3 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 3);
		M2MTargetNotAuditedEntity rev4 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 4);

		assertTrue(checkList(rev1.getReferences(), uste1, uste2));
		assertTrue(checkList(rev2.getReferences(), uste2));
		assertTrue(checkList(rev3.getReferences()));
		assertTrue(checkList(rev4.getReferences(), uste1));
	}
}