/**
* 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.openejb.jee.jpa;
import junit.framework.TestCase;
import java.io.InputStream;
import java.io.IOException;
import java.io.BufferedInputStream;
import org.custommonkey.xmlunit.DetailedDiff;
import org.custommonkey.xmlunit.Diff;
/**
* @version $Rev$ $Date$
*/
public class JaxbTest extends TestCase {
public void testEntityMappings() throws Exception {
unmarshalAndMarshal(EntityMappings.class, "jpa-mapping-full.xml");
unmarshalAndMarshal(EntityMappings.class, "jpa-mapping-full_2.0.xml");
}
private <T> void unmarshalAndMarshal(final Class<T> type, final java.lang.String xmlFileName) throws Exception {
unmarshalAndMarshal(type, xmlFileName, xmlFileName);
}
private <T> void unmarshalAndMarshal(final Class<T> type, final java.lang.String xmlFileName, final java.lang.String expectedFile) throws Exception {
final Object object = JpaJaxbUtil.unmarshal(type, getInputStream(xmlFileName));
final String actual = JpaJaxbUtil.marshal(type, object);
final String expected;
if (xmlFileName.equals(expectedFile)) {
expected = readContent(getInputStream(xmlFileName));
} else {
expected = readContent(getInputStream(expectedFile));
}
final Diff myDiff = new Diff(expected, actual);
assertTrue("Files are similar " + myDiff, myDiff.similar());
}
private <T> InputStream getInputStream(final String xmlFileName) {
return getClass().getClassLoader().getResourceAsStream(xmlFileName);
}
private String readContent(InputStream in) throws IOException {
final StringBuilder sb = new StringBuilder();
in = new BufferedInputStream(in);
int i = in.read();
while (i != -1) {
sb.append((char) i);
i = in.read();
}
return sb.toString();
}
}