/*
 * 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.jta;

import java.util.Arrays;
import java.util.Map;

import javax.persistence.EntityManager;

import org.hibernate.cfg.AvailableSettings;
import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.IntTestEntity;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.jta.TestingJtaBootstrap;
import org.hibernate.testing.jta.TestingJtaPlatformImpl;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * Simple test that checks that Envers can still perform its beforeTransactionCompletion
 * callbacks successfully even if the Hibernate Session/EntityManager has been closed
 * prior to the JTA transaction commit.
 *
 * @author Chris Cranford
 */
@TestForIssue(jiraKey = "HHH-11232")
public class JtaSessionClosedBeforeCommitTest extends BaseEnversJPAFunctionalTestCase {
	private Integer entityId;

	@Override
	protected Class<?>[] getAnnotatedClasses() {
		return new Class<?>[] { IntTestEntity.class };
	}

	@Override
	protected void addConfigOptions(Map options) {
		TestingJtaBootstrap.prepare( options );
		options.put( AvailableSettings.ALLOW_JTA_TRANSACTION_ACCESS, "true" );
	}

	@Test
	@Priority(10)
	public void initData() throws Exception {
		TestingJtaPlatformImpl.INSTANCE.getTransactionManager().begin();
		EntityManager entityManager = getEntityManager();
		try {
			IntTestEntity ite = new IntTestEntity( 10 );
			entityManager.persist( ite );
			entityId = ite.getId();
			// simulates spring JtaTransactionManager.triggerBeforeCompletion()
			// this closes the entity manager prior to the JTA transaction.
			entityManager.close();
		}
		finally {
			TestingJtaPlatformImpl.tryCommit();
		}
	}

	@Test
	public void testRevisionCounts() {
		assertEquals(
				Arrays.asList( 1 ),
				getAuditReader().getRevisions( IntTestEntity.class, entityId )
		);
	}

	@Test
	public void testRevisionHistory() {
		assertEquals(
				new IntTestEntity( 10, entityId ),
				getAuditReader().find( IntTestEntity.class, entityId, 1 )
		);
	}
}