001/* $Id: AbstractAnnotatedPojoTestCase.java 1127412 2011-05-25 07:29:59Z simonetripodi $
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements.  See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.commons.digester3.annotations;
019
020import static org.apache.commons.digester3.binder.DigesterLoader.newLoader;
021import static org.junit.Assert.assertEquals;
022
023import java.io.InputStream;
024import java.util.ArrayList;
025import java.util.Collection;
026
027import org.apache.commons.digester3.Digester;
028import org.apache.commons.digester3.binder.RulesModule;
029
030/**
031 * Abstract implementation of Class->Digester Rules->parse & confronting.
032 * 
033 * @since 2.1
034 */
035public abstract class AbstractAnnotatedPojoTestCase
036{
037
038    /**
039     * Loads the digester rules parsing the expected object class, parses the
040     * XML and verify the digester produces the same result.
041     *
042     * @param expected the expected object
043     * @throws Exception if any error occurs
044     */
045    public final void verifyExpectedEqualsToParsed(Object expected) throws Exception {
046        final Class<?> clazz = expected.getClass();
047
048        String resource = clazz.getSimpleName() + ".xml";
049        InputStream input = clazz.getResourceAsStream(resource);
050
051        Collection<RulesModule> modules = this.getAuxModules();
052        modules.add(new FromAnnotationsRuleModule()
053        {
054
055            @Override
056            protected void configureRules()
057            {
058                bindRulesFrom( clazz );
059            }
060
061        });
062
063        Digester digester = newLoader(modules).newDigester();
064        Object actual = digester.parse(input);
065
066        if (input != null) {
067            input.close();
068        }
069
070        assertEquals(expected, actual);
071    }
072
073    protected Collection<RulesModule> getAuxModules() {
074        return new ArrayList<RulesModule>();
075    }
076
077}