2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.yangtools.yang.data.impl.codec.xml;
11 import com.google.common.base.Optional;
12 import com.google.common.collect.Maps;
13 import java.io.ByteArrayOutputStream;
15 import java.util.AbstractMap;
17 import javax.xml.stream.XMLOutputFactory;
18 import javax.xml.stream.XMLStreamWriter;
19 import junit.framework.Assert;
20 import org.custommonkey.xmlunit.Diff;
21 import org.custommonkey.xmlunit.XMLUnit;
22 import org.junit.Test;
23 import org.opendaylight.yangtools.yang.common.QName;
24 import org.opendaylight.yangtools.yang.common.QNameModule;
25 import org.w3c.dom.Document;
27 public class XmlStreamUtilsTest {
29 public static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
32 public void testWriteAttribute() throws Exception {
33 final ByteArrayOutputStream out = new ByteArrayOutputStream();
34 final XMLStreamWriter writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
35 writer.writeStartElement("element");
37 QName name = getAttrQName("namespace", "2012-12-12", "attr", Optional.of("prefix"));
38 final Map.Entry<QName, String> attributeEntry = new AbstractMap.SimpleEntry<>(name, "value");
40 name = getAttrQName("namespace2", "2012-12-12", "attr", Optional.<String>absent());
41 final Map.Entry<QName, String> attributeEntryNoPrefix = new AbstractMap.SimpleEntry<>(name, "value");
43 final RandomPrefix randomPrefix = new RandomPrefix();
44 XmlStreamUtils.writeAttribute(writer, attributeEntry, randomPrefix);
45 XmlStreamUtils.writeAttribute(writer, attributeEntryNoPrefix, randomPrefix);
47 writer.writeEndElement();
51 final String xmlAsString = new String(out.toByteArray());
53 final Map<String, String> mappedPrefixes = mapPrefixed(randomPrefix.getPrefixes());
54 Assert.assertEquals(2, mappedPrefixes.size());
55 final String randomPrefixValue = mappedPrefixes.get("namespace2");
57 final String expectedXmlAsString = "<element xmlns:prefix=\"namespace\" prefix:attr=\"value\" xmlns:" + randomPrefixValue + "=\"namespace2\" " + randomPrefixValue + ":attr=\"value\"></element>";
59 XMLUnit.setIgnoreAttributeOrder(true);
60 final Document control = XMLUnit.buildControlDocument(expectedXmlAsString);
61 final Document test = XMLUnit.buildTestDocument(xmlAsString);
62 final Diff diff = XMLUnit.compareXML(control, test);
64 final boolean identical = diff.identical();
65 Assert.assertTrue("Xml differs: " + diff.toString(), identical);
68 private Map<String, String> mapPrefixed(final Iterable<Map.Entry<URI, String>> prefixes) {
69 final Map<String, String> mappedPrefixes = Maps.newHashMap();
70 for (final Map.Entry<URI, String> prefix : prefixes) {
71 mappedPrefixes.put(prefix.getKey().toString(), prefix.getValue());
73 return mappedPrefixes;
76 private QName getAttrQName(final String namespace, final String revision, final String localName, final Optional<String> prefix) {
78 if(prefix.isPresent()) {
79 final QName moduleQName = QName.create(namespace, revision, "module");
80 final QNameModule module = QNameModule.create(moduleQName.getNamespace(), moduleQName.getRevision());
81 return QName.create(module, prefix.get(), localName);
83 return QName.create(namespace, revision, localName);