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 static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertTrue;
14 import com.google.common.base.Optional;
15 import com.google.common.collect.Maps;
17 import java.io.ByteArrayOutputStream;
19 import java.util.AbstractMap;
22 import javax.xml.stream.XMLOutputFactory;
23 import javax.xml.stream.XMLStreamWriter;
25 import org.custommonkey.xmlunit.Diff;
26 import org.custommonkey.xmlunit.XMLUnit;
27 import org.junit.Test;
28 import org.opendaylight.yangtools.yang.common.QName;
29 import org.opendaylight.yangtools.yang.common.QNameModule;
30 import org.w3c.dom.Document;
32 public class XmlStreamUtilsTest {
34 public static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
37 public void testWriteAttribute() throws Exception {
38 final ByteArrayOutputStream out = new ByteArrayOutputStream();
39 final XMLStreamWriter writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
40 writer.writeStartElement("element");
42 QName name = getAttrQName("namespace", "2012-12-12", "attr", Optional.of("prefix"));
43 final Map.Entry<QName, String> attributeEntry = new AbstractMap.SimpleEntry<>(name, "value");
45 name = getAttrQName("namespace2", "2012-12-12", "attr", Optional.<String>absent());
46 final Map.Entry<QName, String> attributeEntryNoPrefix = new AbstractMap.SimpleEntry<>(name, "value");
48 final RandomPrefix randomPrefix = new RandomPrefix();
49 XmlStreamUtils.writeAttribute(writer, attributeEntry, randomPrefix);
50 XmlStreamUtils.writeAttribute(writer, attributeEntryNoPrefix, randomPrefix);
52 writer.writeEndElement();
56 final String xmlAsString = new String(out.toByteArray());
58 final Map<String, String> mappedPrefixes = mapPrefixed(randomPrefix.getPrefixes());
59 assertEquals(2, mappedPrefixes.size());
60 final String randomPrefixValue = mappedPrefixes.get("namespace2");
62 final String expectedXmlAsString = "<element xmlns:a=\"namespace\" a:attr=\"value\" xmlns:" + randomPrefixValue + "=\"namespace2\" " + randomPrefixValue + ":attr=\"value\"></element>";
64 XMLUnit.setIgnoreAttributeOrder(true);
65 final Document control = XMLUnit.buildControlDocument(expectedXmlAsString);
66 final Document test = XMLUnit.buildTestDocument(xmlAsString);
67 final Diff diff = XMLUnit.compareXML(control, test);
69 final boolean identical = diff.identical();
70 assertTrue("Xml differs: " + diff.toString(), identical);
73 private Map<String, String> mapPrefixed(final Iterable<Map.Entry<URI, String>> prefixes) {
74 final Map<String, String> mappedPrefixes = Maps.newHashMap();
75 for (final Map.Entry<URI, String> prefix : prefixes) {
76 mappedPrefixes.put(prefix.getKey().toString(), prefix.getValue());
78 return mappedPrefixes;
81 private QName getAttrQName(final String namespace, final String revision, final String localName, final Optional<String> prefix) {
83 if(prefix.isPresent()) {
84 final QName moduleQName = QName.create(namespace, revision, "module");
85 final QNameModule module = QNameModule.create(moduleQName.getNamespace(), moduleQName.getRevision());
86 return QName.create(module, prefix.get(), localName);
88 return QName.create(namespace, revision, localName);