/*
* 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.converter;
import static org.junit.Assert.*;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import org.apache.cocoon.pipeline.NonCachingPipeline;
import org.apache.cocoon.pipeline.component.PipelineComponent;
import org.apache.cocoon.sax.SAXPipelineComponent;
import org.apache.cocoon.sax.component.CleaningTransformer;
import org.apache.cocoon.sax.component.XMLSerializer;
import org.apache.cocoon.stax.CleaningTransformerTest;
import org.apache.cocoon.stax.StAXProducer;
import org.apache.cocoon.stax.component.XMLGenerator;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.Test;
/**
* Class containing the unit tests for the {@link StAXToSAXPipelineAdapter} which allow to switch
* from StAX-only to SAX-only pipelines.
*/
public class StAXToSAXPipelineAdapterTest {
/**
* Very simple test which runs the SAX {@link CleaningTransformer} with a
* {@link StringGenerator} and {@link XMLSerializer}. The output of this pipeline is compare
* with a pipeline started with a {@link StAXProducer} which swaps to an SAX pipeline with a
* {@link StAXToSAXPipelineAdapter}. From then also the {@link CleaningTransformer} and an
* {@link XMLSerializer} are taken should be same as with the SAX-only pipeline.
*
* @throws Exception Is thrown if an error occurs loading the files or in the pipeline itself.
*/
@Test
public void testSAXComponentInStAXPipeline() throws Exception {
NonCachingPipeline<SAXPipelineComponent> pipeSAX = new NonCachingPipeline<SAXPipelineComponent>();
ByteArrayOutputStream outputSAX = new ByteArrayOutputStream();
pipeSAX.addComponent(new org.apache.cocoon.sax.component.XMLGenerator(CleaningTransformerTest.class
.getResource("/org/apache/cocoon/stax/converter/complex-stax-test-document.xml").openStream()));
pipeSAX.addComponent(new CleaningTransformer());
pipeSAX.addComponent(new XMLSerializer());
pipeSAX.setup(outputSAX);
pipeSAX.execute();
String outputSAXString = outputSAX.toString();
outputSAX.close();
// StAX pipeline with SAXCleaningTransformer
InputStream input = CleaningTransformerTest.class.getResource(
"/org/apache/cocoon/stax/converter/complex-stax-test-document.xml").openStream();
ByteArrayOutputStream outputStAX = new ByteArrayOutputStream();
NonCachingPipeline<PipelineComponent> pipeStAX = new NonCachingPipeline<PipelineComponent>();
pipeStAX.addComponent(new XMLGenerator(input));
pipeStAX.addComponent(new StAXToSAXPipelineAdapter());
pipeStAX.addComponent(new CleaningTransformer());
pipeStAX.addComponent(new XMLSerializer());
pipeStAX.setup(outputStAX);
pipeStAX.execute();
input.close();
String outputStAXString = outputStAX.toString();
outputStAX.close();
// Comparing StAX and SAX pipeline output
XMLUnit.setIgnoreWhitespace(false);
Diff myDiff = new Diff(outputSAXString, outputStAXString);
assertTrue("pieces of XML are similar " + myDiff, myDiff.identical());
}
}