BackrefTest.java

/*
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.hibernate.tool.hbm2x.hbm2hbmxml;

import java.io.File;
import java.util.Iterator;

import org.hibernate.boot.Metadata;
import org.hibernate.cfg.Configuration;
import org.hibernate.mapping.Backref;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.tool.NonReflectiveTestCase;
import org.hibernate.tool.hbm2x.Exporter;
import org.hibernate.tool.hbm2x.HibernateMappingExporter;
import org.hibernate.tool.util.MetadataHelper;

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * @author Dmitry Geraskov
 *
 */
public class BackrefTest extends NonReflectiveTestCase {

	private String mappingFile = "Car.hbm.xml";

	private Exporter hbmexporter;

	/**
	 * @param name
	 */
	public BackrefTest(String name) {
		super(name, "cfg2hbmoutput");
	}


	protected String[] getMappings() {
		return new String[] {
				mappingFile
		};
	}

	protected void setUp() throws Exception {
		super.setUp();

		hbmexporter = new HibernateMappingExporter(getCfg(), getOutputDir() );
		hbmexporter.start();
	}

	public void testAllFilesExistence() {
		assertFileAndExists(new File(getOutputDir().getAbsolutePath(),  getBaseForMappings() + "Car.hbm.xml") );
		assertFileAndExists(new File(getOutputDir().getAbsolutePath(),  getBaseForMappings() + "CarPart.hbm.xml") );
	}
	
	public void testBackrefPresent() {
		Metadata md = MetadataHelper.getMetadata(getCfg());
		PersistentClass pc = md.getEntityBinding("org.hibernate.tool.hbm2x.hbm2hbmxml.CarPart");
		Iterator<?> iterator = pc.getPropertyIterator();
		boolean hasBackrefs = false;
		while (iterator.hasNext() && !hasBackrefs) {
			hasBackrefs = (iterator.next() instanceof Backref);			
		}
		assertTrue("Class mapping should create Backref for this testcase", hasBackrefs);
	}
	
	public void testReadable() {
        Configuration cfg = new Configuration();
        cfg.addFile(new File(getOutputDir(), getBaseForMappings() + "Car.hbm.xml"));
        cfg.addFile(new File(getOutputDir(), getBaseForMappings() + "CarPart.hbm.xml"));        
    }

	protected String getBaseForMappings() {
		return "org/hibernate/tool/hbm2x/hbm2hbmxml/";
	}

	public static Test suite() {
		return new TestSuite(BackrefTest.class);
	}

}