/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.openjpa.persistence.simple;

import org.apache.openjpa.jdbc.meta.ClassMapping;
import org.apache.openjpa.jdbc.meta.FieldMapping;
import org.apache.openjpa.persistence.JPAFacadeHelper;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;

public class TestJoin extends SingleEMFTestCase {

    public void setUp() {
        super.setUp(Item.class);
    }

    /*
     * Verify that an entity does not create joins to itself.
     */
    public void testSelfJoin() {
        ClassMapping cm = (ClassMapping) JPAFacadeHelper.getMetaData(emf,
                Item.class);
        FieldMapping fm = cm.getFieldMapping("itemId");
        assertNotNull(fm);
        assertNull(fm.getJoinForeignKey());
    }
}
