2 * Copyright (c) 2016 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.hamcrest.CoreMatchers.containsString;
12 import static org.junit.Assert.assertEquals;
13 import static org.junit.Assert.assertNotNull;
14 import static org.junit.Assert.assertThat;
15 import static org.junit.Assert.assertTrue;
17 import com.google.common.base.Optional;
18 import com.google.common.collect.Maps;
19 import java.io.ByteArrayOutputStream;
21 import java.io.FileNotFoundException;
23 import java.net.URISyntaxException;
24 import java.util.AbstractMap;
25 import java.util.Date;
27 import java.util.regex.Matcher;
28 import java.util.regex.Pattern;
29 import javax.xml.stream.XMLOutputFactory;
30 import javax.xml.stream.XMLStreamWriter;
31 import org.custommonkey.xmlunit.Diff;
32 import org.custommonkey.xmlunit.XMLUnit;
33 import org.junit.BeforeClass;
34 import org.junit.Ignore;
35 import org.junit.Test;
36 import org.opendaylight.yangtools.yang.common.QName;
37 import org.opendaylight.yangtools.yang.common.QNameModule;
38 import org.opendaylight.yangtools.yang.data.impl.TestUtils;
39 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
40 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
41 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
42 import org.opendaylight.yangtools.yang.model.api.Module;
43 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
44 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
45 import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
46 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
47 import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
48 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
49 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
50 import org.w3c.dom.Document;
52 public class XmlStreamUtilsTest {
54 public static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
56 private static SchemaContext schemaContext;
57 private static Module leafRefModule;
60 public static void initialize() throws URISyntaxException, FileNotFoundException, ReactorException {
61 final File file = new File(XmlStreamUtils.class.getResource("/leafref-test.yang").toURI());
62 schemaContext = TestUtils.parseYangSources(file);
63 assertNotNull(schemaContext);
64 assertEquals(1, schemaContext.getModules().size());
65 leafRefModule = schemaContext.getModules().iterator().next();
66 assertNotNull(leafRefModule);
70 public void testWriteAttribute() throws Exception {
71 final ByteArrayOutputStream out = new ByteArrayOutputStream();
72 final XMLStreamWriter writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
73 writer.writeStartElement("element");
75 QName name = getAttrQName("namespace", "2012-12-12", "attr", Optional.of("prefix"));
76 final Map.Entry<QName, String> attributeEntry = new AbstractMap.SimpleEntry<>(name, "value");
78 name = getAttrQName("namespace2", "2012-12-12", "attr", Optional.absent());
79 final Map.Entry<QName, String> attributeEntryNoPrefix = new AbstractMap.SimpleEntry<>(name, "value");
81 final RandomPrefix randomPrefix = new RandomPrefix();
82 XmlStreamUtils.writeAttribute(writer, attributeEntry, randomPrefix);
83 XmlStreamUtils.writeAttribute(writer, attributeEntryNoPrefix, randomPrefix);
85 writer.writeEndElement();
89 final String xmlAsString = new String(out.toByteArray());
91 final Map<String, String> mappedPrefixes = mapPrefixed(randomPrefix.getPrefixes());
92 assertEquals(2, mappedPrefixes.size());
93 final String randomPrefixValue = mappedPrefixes.get("namespace2");
95 final String expectedXmlAsString = "<element xmlns:a=\"namespace\" a:attr=\"value\" xmlns:" + randomPrefixValue
96 + "=\"namespace2\" " + randomPrefixValue + ":attr=\"value\"></element>";
98 XMLUnit.setIgnoreAttributeOrder(true);
99 final Document control = XMLUnit.buildControlDocument(expectedXmlAsString);
100 final Document test = XMLUnit.buildTestDocument(xmlAsString);
101 final Diff diff = XMLUnit.compareXML(control, test);
103 final boolean identical = diff.identical();
104 assertTrue("Xml differs: " + diff.toString(), identical);
108 public void testWriteIdentityRef() throws Exception {
109 final ByteArrayOutputStream out = new ByteArrayOutputStream();
110 final XMLStreamWriter writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
112 writer.writeStartElement("element");
113 final QNameModule parent = QNameModule.create(URI.create("parent:uri"), new Date());
114 XmlStreamUtils.write(writer, null, QName.create(parent, "identity"), Optional.of(parent));
115 writer.writeEndElement();
117 writer.writeStartElement("elementDifferent");
118 XmlStreamUtils.write(writer, null, QName.create("different:namespace", "identity"), Optional.of(parent));
119 writer.writeEndElement();
124 final String xmlAsString = new String(out.toByteArray()).replaceAll("\\s*", "");
125 assertThat(xmlAsString, containsString("element>identity"));
127 final Pattern prefixedIdentityPattern = Pattern.compile(".*\"different:namespace\">(.*):identity.*");
128 final Matcher matcher = prefixedIdentityPattern.matcher(xmlAsString);
129 assertTrue("Xml: " + xmlAsString + " should match: " + prefixedIdentityPattern, matcher.matches());
133 * One leafref reference to other leafref via relative references
136 public void testLeafRefRelativeChaining() {
137 getTargetNodeForLeafRef("leafname3", StringTypeDefinition.class);
141 public void testLeafRefRelative() {
142 getTargetNodeForLeafRef("pointToStringLeaf", StringTypeDefinition.class);
146 public void testLeafRefAbsoluteWithSameTarget() {
147 getTargetNodeForLeafRef("absname", InstanceIdentifierTypeDefinition.class);
151 * Tests relative path with double point inside path (e. g. "../../lf:interface/../lf:cont2/lf:stringleaf")
154 // ignored because this isn't implemented
156 public void testLeafRefWithDoublePointInPath() {
157 getTargetNodeForLeafRef("lf-with-double-point-inside", StringTypeDefinition.class);
161 public void testLeafRefRelativeAndAbsoluteWithSameTarget() {
162 final TypeDefinition<?> targetNodeForAbsname = getTargetNodeForLeafRef("absname",
163 InstanceIdentifierTypeDefinition.class);
164 final TypeDefinition<?> targetNodeForRelname = getTargetNodeForLeafRef("relname",
165 InstanceIdentifierTypeDefinition.class);
166 assertEquals(targetNodeForAbsname, targetNodeForRelname);
169 private TypeDefinition<?> getTargetNodeForLeafRef(final String nodeName, final Class<?> clas) {
170 final LeafSchemaNode schemaNode = findSchemaNodeWithLeafrefType(leafRefModule, nodeName);
171 assertNotNull(schemaNode);
172 final LeafrefTypeDefinition leafrefTypedef = findLeafrefType(schemaNode);
173 assertNotNull(leafrefTypedef);
174 final TypeDefinition<?> targetBaseType = SchemaContextUtil.getBaseTypeForLeafRef(leafrefTypedef, schemaContext,
176 assertTrue("Wrong class found.", clas.isInstance(targetBaseType));
177 return targetBaseType;
180 private static Map<String, String> mapPrefixed(final Iterable<Map.Entry<URI, String>> prefixes) {
181 final Map<String, String> mappedPrefixes = Maps.newHashMap();
182 for (final Map.Entry<URI, String> prefix : prefixes) {
183 mappedPrefixes.put(prefix.getKey().toString(), prefix.getValue());
185 return mappedPrefixes;
188 private static QName getAttrQName(final String namespace, final String revision, final String localName,
189 final Optional<String> prefix) {
190 if (prefix.isPresent()) {
191 final QName moduleQName = QName.create(namespace, revision, "module");
192 final QNameModule module = QNameModule.create(moduleQName.getNamespace(), moduleQName.getRevision());
193 return QName.create(module, localName);
195 return QName.create(namespace, revision, localName);
198 private LeafSchemaNode findSchemaNodeWithLeafrefType(final DataNodeContainer module, final String nodeName) {
199 for (final DataSchemaNode childNode : module.getChildNodes()) {
200 if (childNode instanceof DataNodeContainer) {
201 LeafSchemaNode leafrefFromRecursion = findSchemaNodeWithLeafrefType((DataNodeContainer) childNode,
203 if (leafrefFromRecursion != null) {
204 return leafrefFromRecursion;
206 } else if (childNode.getQName().getLocalName().equals(nodeName) && childNode instanceof LeafSchemaNode) {
207 final TypeDefinition<?> leafSchemaNodeType = ((LeafSchemaNode) childNode).getType();
208 if (leafSchemaNodeType instanceof LeafrefTypeDefinition) {
209 return (LeafSchemaNode) childNode;
216 private static LeafrefTypeDefinition findLeafrefType(final LeafSchemaNode schemaNode) {
217 final TypeDefinition<?> type = schemaNode.getType();
218 if (type instanceof LeafrefTypeDefinition) {
219 return (LeafrefTypeDefinition) type;