openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/compat/TestEmbeddableSuperclass.java

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 * distributed with this work for additional information
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 * http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.openjpa.persistence.compat;

import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
import org.apache.openjpa.jdbc.meta.ClassMapping;
import org.apache.openjpa.jdbc.meta.FieldMapping;
import org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;

/**
 * <p>Test embeddable superclasses</p>
 *
 *  <B>This is an anti-test because it validates or masks root cause of a possibly serious error.
 *
 * <b>Compatible testcases</b> are used to test various backwards compatibility scenarios between JPA 2.0 and JPA 1.2
 *
 * <p>The following scenarios are tested:
 * <ol>
 * <li>RelationFieldStrategy
 * </ol>
 * <p>
 * <b>Note(s):</b>
 * <ul>
 * <li>The proper openjpa.Compatibility value(s) must be provided in order for the testcase(s) to succeed
 * </ul>
 *
 */
public class TestEmbeddableSuperclass
    extends SingleEMFTestCase {

    @Override
    public void setUp() {
        setUp(EmbeddableSuper.class, EmbeddableSuperSub.class, CLEAR_TABLES);
    }

    public void testRelationMappings() {
        JDBCConfiguration conf = (JDBCConfiguration) emf.getConfiguration();
        ClassMapping cls = conf.getMappingRepositoryInstance().
            getMapping(EmbeddableSuperSub.class, null, true);
        FieldMapping fm = cls.getFieldMapping("sub");
        assertTrue(fm.getStrategy() instanceof RelationFieldStrategy);

        fm = cls.getFieldMapping("sup");
        assertEquals(RelationFieldStrategy.class, fm.getStrategy().getClass());
        // This was an anti-test because it legitimizes/masks the root cause of a serious error.
        // The strategy for a field should not change without a valid reason.

//        if (OpenJPAVersion.MAJOR_RELEASE >= 2) {
            // OPENJPA-1214 - OpenJPA 2 returns a EmbedFieldStrategy instead of
            // a RelationFieldStrategy as in prior releases.
//            assertEquals(EmbedFieldStrategy.class, fm.getStrategy().getClass());
//        } else {
            // Prior OpenJPA 1.2/1.3 behavior
//            assertEquals(RelationFieldStrategy.class, fm.getStrategy().getClass());
//
//        }

        //
    }
}