/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed 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.springframework.util.xml;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Node;
import org.xmlunit.util.Predicate;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stax.StAXSource;
import javax.xml.transform.stream.StreamResult;
import java.io.StringReader;
import java.io.StringWriter;
import static org.junit.Assert.assertThat;
import static org.xmlunit.matchers.CompareMatcher.isSimilarTo;
public class XMLEventStreamReaderTests {
private static final String XML =
"<?pi content?><root xmlns='namespace'><prefix:child xmlns:prefix='namespace2'>content</prefix:child></root>"
;
private XMLEventStreamReader streamReader;
@Before
public void createStreamReader() throws Exception {
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLEventReader eventReader = inputFactory.createXMLEventReader(new StringReader(XML));
streamReader = new XMLEventStreamReader(eventReader);
}
@Test
public void readAll() throws Exception {
while (streamReader.hasNext()) {
streamReader.next();
}
}
@Test
public void readCorrect() throws Exception {
Transformer transformer = TransformerFactory.newInstance().newTransformer();
StAXSource source = new StAXSource(streamReader);
StringWriter writer = new StringWriter();
transformer.transform(source, new StreamResult(writer));
Predicate<Node> nodeFilter = n ->
n.getNodeType() != Node.DOCUMENT_TYPE_NODE && n.getNodeType() != Node.PROCESSING_INSTRUCTION_NODE;
assertThat(writer.toString(), isSimilarTo(XML).withNodeFilter(nodeFilter));
}
}