openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/identity/TestStringId.java

/*
 * 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
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 */
package org.apache.openjpa.persistence.identity;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

import org.apache.openjpa.persistence.test.AbstractPersistenceTestCase;

public class TestStringId extends AbstractPersistenceTestCase {
    private static EntityManagerFactory _emf;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        _emf = createEMF(StringIdEntity.class);

        cleanup();
    }

    @Override
    public void tearDown() throws Exception {
        closeEMF(_emf);
        _emf = null;
        super.tearDown();
    }

    private void cleanup() {
        EntityManager em = _emf.createEntityManager();
        em.getTransaction().begin();
        em.createQuery("Delete from StringIdEntity").executeUpdate();
        em.getTransaction().commit();
        em.close();
    }

    public void testTrailingWhitespace() {
        StringIdEntity sie1 = new StringIdEntity();
        sie1.setId("ABC ");

        EntityManager em = _emf.createEntityManager();
        em.getTransaction().begin();
        em.persist(sie1);
        em.getTransaction().commit();
        assertTrue(em.contains(sie1));

        StringIdEntity sie2 = em.find(StringIdEntity.class, "ABC");
        assertSame("Find should return the same instance with trailing whitespace", sie1, sie2);

        StringIdEntity sie3 = em.find(StringIdEntity.class, "ABC  ");
        assertSame("Find should return the same instance with trailing whitespace", sie1, sie3);

        assertNotSame("Leading WS should not match", sie1, em.find(StringIdEntity.class, " ABC"));

        em.close();
    }

    public void testLeadingWhitespace() {
        StringIdEntity sie1 = new StringIdEntity();
        sie1.setId(" ABC");

        EntityManager em = _emf.createEntityManager();
        em.getTransaction().begin();
        em.persist(sie1);
        em.getTransaction().commit();
        assertTrue(em.contains(sie1));

        StringIdEntity sie2 = em.find(StringIdEntity.class, "ABC");
        assertNotSame("Find should not return the same instance with leading whitespace", sie1, sie2);

        StringIdEntity sie3 = em.find(StringIdEntity.class, "   ABC");
        assertNotSame("Find should not return the same instance with leading whitespace", sie1, sie3);

        assertSame(sie1, em.find(StringIdEntity.class, " ABC"));

        assertNotSame("Trailing WS should not match", sie1, em.find(StringIdEntity.class, "ABC "));
        em.close();
    }

    public void testInnerWhitespace() {
        StringIdEntity sie1 = new StringIdEntity();
        sie1.setId("A B C");

        EntityManager em = _emf.createEntityManager();
        em.getTransaction().begin();
        em.persist(sie1);
        em.getTransaction().commit();
        assertTrue(em.contains(sie1));

        StringIdEntity sie2 = em.find(StringIdEntity.class, "ABC");
        assertNotSame("Find should not return the same instance with inner whitespace", sie1, sie2);

        StringIdEntity sie3 = em.find(StringIdEntity.class, "   ABC");
        assertNotSame("Find should not return the same instance with inner whitespace", sie1, sie3);

        assertSame(sie1, em.find(StringIdEntity.class, "A B C"));

        assertNotSame("Trailing WS should not match", sie1, em.find(StringIdEntity.class, "ABC "));

        em.close();
    }
}