/*
* 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.cocoon.stax;
import static org.junit.Assert.*;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import org.apache.cocoon.pipeline.NonCachingPipeline;
import org.apache.cocoon.sax.SAXPipelineComponent;
import org.apache.cocoon.stax.component.CleaningTransformer;
import org.apache.cocoon.stax.component.XMLGenerator;
import org.apache.cocoon.stax.component.XMLSerializer;
import org.apache.commons.io.IOUtils;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.Test;
/**
* Contains unit tests for a {@link CleaningTransformer}.<br> *
* Compares if SAX and StAX Cleaning Transformer work identically.
*/
public class CleaningTransformerTest {
/**
* Compares the output of the {@link CleaningTransformer} with the output of the
* {@link CleaningTransformer} to show that they process input data identically.
*
* @throws Exception Is thrown if an error occurs loading the files or in the pipeline itself.
*/
@Test
public void testCleaningTransformer() throws Exception {
NonCachingPipeline<SAXPipelineComponent> pipeSAX = new NonCachingPipeline<SAXPipelineComponent>();
pipeSAX.addComponent(new org.apache.cocoon.sax.component.XMLGenerator(IOUtils
.toString(CleaningTransformerTest.class.getResource(
"/org/apache/cocoon/stax/complex-stax-test-document.xml").openStream())));
pipeSAX.addComponent(new org.apache.cocoon.sax.component.CleaningTransformer());
pipeSAX.addComponent(new org.apache.cocoon.sax.component.XMLSerializer());
ByteArrayOutputStream outputSAX = new ByteArrayOutputStream();
pipeSAX.setup(outputSAX);
pipeSAX.execute();
String outputSAXString = outputSAX.toString();
outputSAX.close();
InputStream input = CleaningTransformerTest.class.getResource(
"/org/apache/cocoon/stax/complex-stax-test-document.xml").openStream();
ByteArrayOutputStream outputStAX = new ByteArrayOutputStream();
NonCachingPipeline<StAXPipelineComponent> pipeStAX = new NonCachingPipeline<StAXPipelineComponent>();
pipeStAX.addComponent(new XMLGenerator(input));
pipeStAX.addComponent(new CleaningTransformer());
pipeStAX.addComponent(new XMLSerializer());
pipeStAX.setup(outputStAX);
pipeStAX.execute();
input.close();
String outputStAXString = outputStAX.toString();
outputStAX.close();
XMLUnit.setIgnoreWhitespace(false);
Diff myDiff = new Diff(outputSAXString, outputStAXString);
assertTrue("pieces of XML are similar " + myDiff, myDiff.identical());
}
}