/*
* Copyright 2002-2017 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 java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import static org.junit.Assert.*;
import static org.xmlunit.matchers.CompareMatcher.*;
/**
* Unit tests for {@link DomContentHandler}.
*/
public class DomContentHandlerTests {
private static final String XML_1 =
"<?xml version='1.0' encoding='UTF-8'?>" + "<?pi content?>" + "<root xmlns='namespace'>" +
"<prefix:child xmlns:prefix='namespace2' xmlns:prefix2='namespace3' prefix2:attr='value'>content</prefix:child>" +
"</root>";
private static final String XML_2_EXPECTED =
"<?xml version='1.0' encoding='UTF-8'?>" + "<root xmlns='namespace'>" + "<child xmlns='namespace2' />" +
"</root>";
private static final String XML_2_SNIPPET =
"<?xml version='1.0' encoding='UTF-8'?>" + "<child xmlns='namespace2' />";
private Document expected;
private DomContentHandler handler;
private Document result;
private XMLReader xmlReader;
private DocumentBuilder documentBuilder;
@Before
@SuppressWarnings("deprecation") // on JDK 9
public void setUp() throws Exception {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
documentBuilderFactory.setNamespaceAware(true);
documentBuilder = documentBuilderFactory.newDocumentBuilder();
result = documentBuilder.newDocument();
xmlReader = org.xml.sax.helpers.XMLReaderFactory.createXMLReader();
}
@Test
public void contentHandlerDocumentNamespacePrefixes() throws Exception {
xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
handler = new DomContentHandler(result);
expected = documentBuilder.parse(new InputSource(new StringReader(XML_1)));
xmlReader.setContentHandler(handler);
xmlReader.parse(new InputSource(new StringReader(XML_1)));
assertThat("Invalid result", result, isSimilarTo(expected));
}
@Test
public void contentHandlerDocumentNoNamespacePrefixes() throws Exception {
handler = new DomContentHandler(result);
expected = documentBuilder.parse(new InputSource(new StringReader(XML_1)));
xmlReader.setContentHandler(handler);
xmlReader.parse(new InputSource(new StringReader(XML_1)));
assertThat("Invalid result", result, isSimilarTo(expected));
}
@Test
public void contentHandlerElement() throws Exception {
Element rootElement = result.createElementNS("namespace", "root");
result.appendChild(rootElement);
handler = new DomContentHandler(rootElement);
expected = documentBuilder.parse(new InputSource(new StringReader(XML_2_EXPECTED)));
xmlReader.setContentHandler(handler);
xmlReader.parse(new InputSource(new StringReader(XML_2_SNIPPET)));
assertThat("Invalid result", result, isSimilarTo(expected));
}
}