/*****************************************************************
* 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.cayenne.jpa.itest.ch2;
import org.apache.cayenne.itest.jpa.EntityManagerCase;
import org.apache.cayenne.jpa.itest.ch2.entity.CollectionFieldPersistenceEntity;
public class _2_1_7_EntityRelationshipsTest extends EntityManagerCase {
public void testEmptyCollection() throws Exception {
getDbHelper().deleteAll("HelperEntity1");
getDbHelper().deleteAll("CollectionFieldPersistenceEntity");
getDbHelper().insert("CollectionFieldPersistenceEntity", new String[] {
"id"
}, new Object[] {
new Integer(5)
});
CollectionFieldPersistenceEntity o1 = getEntityManager().find(
CollectionFieldPersistenceEntity.class,
new Integer(5));
assertNotNull(o1);
assertNotNull(o1.getCollection());
assertTrue(o1.getCollection().isEmpty());
}
public void testNonEmptyCollection() throws Exception {
getDbHelper().deleteAll("HelperEntity1");
getDbHelper().deleteAll("CollectionFieldPersistenceEntity");
getDbHelper().insert("CollectionFieldPersistenceEntity", new String[] {
"id"
}, new Object[] {
new Integer(5)
});
getDbHelper().insert("HelperEntity1", new String[] {
"id", "entity_id"
}, new Object[] {
new Integer(4), new Integer(5)
});
CollectionFieldPersistenceEntity o1 = getEntityManager().find(
CollectionFieldPersistenceEntity.class,
new Integer(5));
assertNotNull(o1);
assertNotNull(o1.getCollection());
assertFalse(o1.getCollection().isEmpty());
}
}