Hibernate example source code file (MappingExceptionTest.java)

This example Hibernate source code file (MappingExceptionTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

configuration, configuration, file, file, invalidmappingexception, invalidmappingexception, io, ioexception, mappingexception, mappingnotfoundexception, mappingnotfoundexception, net, network, outputstream, string, todo, url

The Hibernate MappingExceptionTest.java source code

// $Id: SQLExceptionConversionTest.java 6847 2005-05-21 15:46:41Z oneovthafew $
package org.hibernate.test.mappingexception;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;

import org.hibernate.DuplicateMappingException;
import org.hibernate.Hibernate;
import org.hibernate.InvalidMappingException;
import org.hibernate.MappingException;
import org.hibernate.MappingNotFoundException;
import org.hibernate.cfg.Configuration;
import org.hibernate.internal.util.ConfigHelper;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseUnitTestCase;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Test for various mapping exceptions thrown when mappings are not found or invalid.
 *
 * @author Max Rydahl Andersen
 */
public class MappingExceptionTest extends BaseUnitTestCase {
	@Test
	public void testNotFound() throws MappingException, MalformedURLException {
		Configuration cfg = new Configuration();

		try {
			cfg.addCacheableFile( "completelybogus.hbm.xml" );
			fail();
		}
		catch ( MappingNotFoundException e ) {
			assertEquals( e.getType(), "file" );
			assertEquals( e.getPath(), "completelybogus.hbm.xml" );
		}

		try {
			cfg.addCacheableFile( new File( "completelybogus.hbm.xml" ) );
			fail();
		}
		catch ( MappingNotFoundException e ) {
			assertEquals( e.getType(), "file" );
			assertEquals( e.getPath(), "completelybogus.hbm.xml" );
		}

		try {
			cfg.addClass( Hibernate.class ); // TODO: String.class result in npe, because no classloader exists for it
			fail();
		}
		catch ( MappingNotFoundException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), "org/hibernate/Hibernate.hbm.xml" );
		}

		try {
			cfg.addFile( "completelybogus.hbm.xml" );
			fail();
		}
		catch ( MappingNotFoundException e ) {
			assertEquals( e.getType(), "file" );
			assertEquals( e.getPath(), "completelybogus.hbm.xml" );
		}

		try {
			cfg.addFile( new File( "completelybogus.hbm.xml" ) );
			fail();
		}
		catch ( MappingNotFoundException inv ) {
			assertEquals( inv.getType(), "file" );
			assertEquals( inv.getPath(), "completelybogus.hbm.xml" );
		}

		try {
			cfg.addInputStream( new ByteArrayInputStream( new byte[0] ) );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "input stream" );
			assertEquals( inv.getPath(), null );
		}

		try {
			cfg.addResource( "nothere" );
			fail();
		}
		catch ( MappingNotFoundException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), "nothere" );
		}

		try {
			cfg.addResource( "nothere", getClass().getClassLoader() );
			fail();
		}
		catch ( MappingNotFoundException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), "nothere" );
		}

		try {
			cfg.addURL( new URL( "file://nothere" ) );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "URL" );
			assertEquals( inv.getPath(), "file://nothere" );
		}
	}

	public void testDuplicateMapping() {
		String resourceName = "org/hibernate/test/mappingexception/User.hbm.xml";
		Configuration cfg = new Configuration();
		cfg.addResource( resourceName );
		cfg.buildMappings();
		try {
			cfg.addResource( resourceName );
			cfg.buildMappings();
			fail();
		}
		catch ( InvalidMappingException e ) {
			assertEquals( e.getType(), "resource" );
			assertEquals( e.getPath(), resourceName );
			assertClassAssignability( DuplicateMappingException.class, e.getCause().getClass() );
		}
	}

	private void assertClassAssignability(Class expected, Class actual) {
		if ( !expected.isAssignableFrom( actual ) ) {
			fail( "Actual class [" + actual.getName() + "] not assignable to expected [" + expected.getName() + "]" );
		}
	}

	public void testInvalidMapping() throws MappingException, IOException {
		String resourceName = "org/hibernate/test/mappingexception/InvalidMapping.hbm.xml";
		File file = File.createTempFile( "TempInvalidMapping", ".hbm.xml" );
		file.deleteOnExit();
		copy( ConfigHelper.getConfigStream( resourceName ), file );

		Configuration cfg = new Configuration();
		try {
			cfg.addCacheableFile( file.getAbsolutePath() );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "file" );
			assertNotNull( inv.getPath() );
			assertTrue( inv.getPath().endsWith( ".hbm.xml" ) );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addCacheableFile( file );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "file" );
			assertNotNull( inv.getPath() );
			assertTrue( inv.getPath().endsWith( ".hbm.xml" ) );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addClass( InvalidMapping.class );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), "org/hibernate/test/mappingexception/InvalidMapping.hbm.xml" );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addFile( file.getAbsolutePath() );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "file" );
			assertEquals( inv.getPath(), file.getPath() );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addFile( file );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "file" );
			assertEquals( inv.getPath(), file.getPath() );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}


		try {
			cfg.addInputStream( ConfigHelper.getResourceAsStream( resourceName ) );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "input stream" );
			assertEquals( inv.getPath(), null );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addResource( resourceName );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), resourceName );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addResource( resourceName, getClass().getClassLoader() );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "resource" );
			assertEquals( inv.getPath(), resourceName );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}

		try {
			cfg.addURL( ConfigHelper.findAsResource( resourceName ) );
			fail();
		}
		catch ( InvalidMappingException inv ) {
			assertEquals( inv.getType(), "URL" );
			assertTrue( inv.getPath().endsWith( "InvalidMapping.hbm.xml" ) );
			assertTrue( !( inv.getCause() instanceof MappingNotFoundException ) );
		}
	}

	void copy(InputStream in, File dst) throws IOException {
		OutputStream out = new FileOutputStream( dst );

		// Transfer bytes from in to out
		byte[] buf = new byte[1024];
		int len;
		while ( ( len = in.read( buf ) ) > 0 ) {
			out.write( buf, 0, len );
		}
		in.close();
		out.close();
	}
}