/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * JBoss, Home of Professional Open Source
 * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * 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,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
package org.hibernate.ogm.test.jpa;

import static org.fest.assertions.Assertions.assertThat;

import java.util.HashMap;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.PersistenceException;

import org.hibernate.ogm.jpa.impl.OgmEntityManager;
import org.hibernate.ogm.jpa.impl.OgmEntityManagerFactory;
import org.hibernate.ogm.test.utils.TestHelper;
import org.hibernate.ogm.test.utils.jpa.JpaTestCase;
import org.hibernate.ogm.test.utils.PackagingRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

/**
 * @author Emmanuel Bernard <emmanuel@hibernate.org>
 */
public class JPAAPIWrappingTest extends JpaTestCase {

	@Rule
	public PackagingRule packaging = new PackagingRule( "persistencexml/jpajtastandalone.xml", Poem.class );

	@Rule
	public ExpectedException thrown = ExpectedException.none();

	@Test
	public void testWrappedStandalone() throws Exception {
		final EntityManagerFactory emf = Persistence.createEntityManagerFactory( "jpajtastandalone", TestHelper.getEnvironmentProperties() );
		assertThat( emf.getClass() ).isEqualTo( OgmEntityManagerFactory.class );

		EntityManager em = emf.createEntityManager();
		assertThat( em.getClass() ).isEqualTo( OgmEntityManager.class );
		em.close();

		em = emf.createEntityManager( new HashMap() );
		assertThat( em.getClass() ).isEqualTo( OgmEntityManager.class );
		em.close();

		emf.close();
	}

	@Test
	public void testUndefinedPU() throws Exception {
		thrown.expect(PersistenceException.class);
		Persistence.createEntityManagerFactory( "does-not-exist-PU" );
	}

	@Test
	public void testWrapInContainer() throws Exception {
		assertThat( getFactory().getClass() ).isEqualTo( OgmEntityManagerFactory.class );
		EntityManager entityManager = getFactory().createEntityManager();
		assertThat( entityManager.getClass() ).isEqualTo( OgmEntityManager.class );
		entityManager.close();
		entityManager = getFactory().createEntityManager( new HashMap() );
		assertThat( entityManager.getClass() ).isEqualTo( OgmEntityManager.class );
		entityManager.close();
	}

	@Override
	public Class<?>[] getEntities() {
		return new Class<?>[] {
				Poem.class
		};
	}
}