CollectionAliasTest.java

/*
 * 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.test.collectionalias;

import org.hibernate.Session;

import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;

/**
 * @author Dave Stephan
 * @author Gail Badner
 */
public class CollectionAliasTest extends BaseCoreFunctionalTestCase {

	@TestForIssue( jiraKey = "HHH-7545" )
	@Test
	public void test() {
		Session s = openSession();
		s.getTransaction().begin();
		ATable aTable = new ATable( 1 );
		TableB tableB = new TableB(
			new TableBId( 1, "a", "b" )
		);
		aTable.getTablebs().add( tableB );
		tableB.setTablea( aTable );
		s.save( aTable );
		s.getTransaction().commit();
		s.close();

		s = openSession();
		aTable = (ATable) s.createQuery( "select distinct	tablea from ATable tablea LEFT JOIN FETCH tablea.tablebs " ).uniqueResult();
		assertEquals( new Integer( 1 ), aTable.getFirstId() );
		assertEquals( 1, aTable.getTablebs().size() );
		tableB = aTable.getTablebs().get( 0 );
		assertSame( aTable, tableB.getTablea() );
		assertEquals( new Integer( 1 ), tableB.getId().getFirstId() );
		assertEquals( "a", tableB.getId().getSecondId() );
		assertEquals( "b", tableB.getId().getThirdId() );
		s.close();
	}

	@Override
	protected Class[] getAnnotatedClasses() {
		return new Class[] {
				TableBId.class,
				TableB.class,
				TableA.class,
				ATable.class
		};
	}

}