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
8 package org.opendaylight.yangtools.yang.data.codec.gson;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertFalse;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertTrue;
14 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.childArray;
15 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.childPrimitive;
16 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.resolveCont1;
18 import com.google.common.collect.ImmutableSet;
19 import com.google.gson.JsonArray;
20 import com.google.gson.JsonElement;
21 import com.google.gson.JsonNull;
22 import com.google.gson.JsonObject;
23 import com.google.gson.JsonPrimitive;
24 import java.io.IOException;
25 import java.io.StringWriter;
26 import java.io.Writer;
27 import java.net.URISyntaxException;
28 import java.util.HashSet;
29 import java.util.Iterator;
30 import org.junit.Test;
31 import org.opendaylight.yangtools.yang.common.Empty;
32 import org.opendaylight.yangtools.yang.common.QName;
33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
34 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
35 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
36 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
37 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
38 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
39 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
40 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
43 * Each test tests whether json output obtained after transformation contains is corect. The transformation takes
44 * normalized node data structure and transform it to json output. To make it easier validate json output it is loaded
45 * via gson as structure of json elements which are walked and compared with awaited values.
47 public class NormalizedNodeToJsonStreamTest extends AbstractComplexJsonTest {
49 private static final QName CONT_1 = QName.create("ns:complex:json", "2014-08-11", "cont1");
50 private static final QName EMPTY_LEAF = QName.create(CONT_1, "empty");
53 public void leafNodeInContainer() throws IOException, URISyntaxException {
54 final Writer writer = new StringWriter();
55 final NormalizedNode<?, ?> leafNodeInContainer = TestingNormalizedNodeStructuresCreator.leafNodeInContainer();
56 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, leafNodeInContainer);
57 final JsonObject cont1 = resolveCont1(jsonOutput);
60 final JsonPrimitive lf11 = childPrimitive(cont1, "complexjson:lf11", "lf11");
62 final int asInt = lf11.getAsInt();
63 assertEquals(453, asInt);
67 public void leafListNodeInContainerMultiline() throws IOException, URISyntaxException {
68 final Writer writer = new StringWriter();
69 final NormalizedNode<?, ?> leafListNodeInContainer = TestingNormalizedNodeStructuresCreator
70 .leafListNodeInContainerMultiline();
71 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, leafListNodeInContainer);
72 final JsonObject cont1 = resolveCont1(jsonOutput);
74 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
75 assertNotNull(lflst11);
77 final HashSet<Object> lflst11Values = new HashSet<>();
78 for (final JsonElement jsonElement : lflst11) {
79 assertTrue(jsonElement instanceof JsonPrimitive);
80 lflst11Values.add(jsonElement.getAsString());
83 assertEquals(ImmutableSet.of("lflst11 value2\r\nanother line 2", "lflst11 value1\nanother line 1"),
88 public void leafNodeViaAugmentationInContainer() throws IOException, URISyntaxException {
89 final Writer writer = new StringWriter();
90 final NormalizedNode<?, ?> leafNodeViaAugmentationInContainer = TestingNormalizedNodeStructuresCreator
91 .leafNodeViaAugmentationInContainer();
92 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, leafNodeViaAugmentationInContainer);
93 final JsonObject cont1 = resolveCont1(jsonOutput);
96 final JsonPrimitive lf12_1 = childPrimitive(cont1, "complexjson:lf12_1", "lf12_1");
97 assertNotNull(lf12_1);
98 final String asString = lf12_1.getAsString();
99 assertEquals("lf12 value", asString);
103 public void leafListNodeInContainer() throws IOException, URISyntaxException {
104 final Writer writer = new StringWriter();
105 final NormalizedNode<?, ?> leafListNodeInContainer = TestingNormalizedNodeStructuresCreator
106 .leafListNodeInContainer();
107 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, leafListNodeInContainer);
108 final JsonObject cont1 = resolveCont1(jsonOutput);
109 assertNotNull(cont1);
110 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
111 assertNotNull(lflst11);
113 final HashSet<Object> lflst11Values = new HashSet<>();
114 for (final JsonElement jsonElement : lflst11) {
115 assertTrue(jsonElement instanceof JsonPrimitive);
116 lflst11Values.add(jsonElement.getAsString());
119 assertEquals(ImmutableSet.of("lflst11 value2", "lflst11 value1"), lflst11Values);
123 public void keyedListNodeInContainer() throws IOException, URISyntaxException {
124 final Writer writer = new StringWriter();
125 final NormalizedNode<?, ?> keyedListNodeInContainer = TestingNormalizedNodeStructuresCreator
126 .keyedListNodeInContainer();
127 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, keyedListNodeInContainer);
128 final JsonObject cont1 = resolveCont1(jsonOutput);
129 assertNotNull(cont1);
130 final JsonArray lst11 = childArray(cont1, "complexjson:lst11", "lst11");
131 assertNotNull(lst11);
133 final Iterator<JsonElement> iterator = lst11.iterator();
134 assertTrue(iterator.hasNext());
135 final JsonElement lst11Entry1Raw = iterator.next();
136 assertFalse(iterator.hasNext());
137 assertTrue(lst11Entry1Raw instanceof JsonObject);
138 final JsonObject lst11Entry1 = (JsonObject) lst11Entry1Raw;
140 final JsonPrimitive key111 = childPrimitive(lst11Entry1, "complexjson:key111", "key111");
141 assertNotNull(key111);
142 final JsonPrimitive lf112 = childPrimitive(lst11Entry1, "complexjson:lf112", "lf112");
143 assertNotNull(lf112);
144 final JsonPrimitive lf113 = childPrimitive(lst11Entry1, "complexjson:lf113", "lf113");
145 assertNotNull(lf113);
146 final JsonPrimitive lf111 = childPrimitive(lst11Entry1, "complexjson:lf111", "lf111");
147 assertNotNull(lf111);
149 assertEquals("key111 value", key111.getAsString());
150 assertEquals("/complexjson:cont1/complexjson:lflst11[.='foo']", lf112.getAsString());
151 assertEquals("lf113 value", lf113.getAsString());
152 assertEquals("lf111 value", lf111.getAsString());
156 public void choiceNodeInContainer() throws IOException, URISyntaxException {
157 final Writer writer = new StringWriter();
158 final NormalizedNode<?, ?> choiceNodeInContainer = TestingNormalizedNodeStructuresCreator
159 .choiceNodeInContainer();
160 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, choiceNodeInContainer);
161 final JsonObject cont1 = resolveCont1(jsonOutput);
162 assertNotNull(cont1);
163 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
166 assertEquals("lf13 value", lf13.getAsString());
170 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) and one leaf (augment B) are
174 * after running this test following exception is raised:
175 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
176 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
179 public void caseNodeAugmentationInChoiceInContainer() throws IOException, URISyntaxException {
180 final Writer writer = new StringWriter();
181 final NormalizedNode<?, ?> caseNodeAugmentationInChoiceInContainer = TestingNormalizedNodeStructuresCreator
182 .caseNodeAugmentationInChoiceInContainer();
183 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer,
184 caseNodeAugmentationInChoiceInContainer);
185 final JsonObject cont1 = resolveCont1(jsonOutput);
186 assertNotNull(cont1);
188 final JsonPrimitive lf15_21 = childPrimitive(cont1, "complexjson:lf15_21", "lf15_21");
189 assertNotNull(lf15_21);
190 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
192 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
193 assertNotNull(lf15_11);
194 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
195 assertNotNull(lf15_12);
197 assertEquals("lf15_21 value", lf15_21.getAsString());
198 assertEquals("lf13 value", lf13.getAsString());
199 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
200 assertEquals("complexjson:ident", lf15_12.getAsString());
204 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) internally and one two leaves
205 * with the same names externally (augment B) are added).
208 * after running this test following exception is raised:
209 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
210 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
213 public void caseNodeExternalAugmentationInChoiceInContainer() throws IOException, URISyntaxException {
214 final Writer writer = new StringWriter();
215 final NormalizedNode<?, ?> caseNodeExternalAugmentationInChoiceInContainer =
216 TestingNormalizedNodeStructuresCreator.caseNodeExternalAugmentationInChoiceInContainer();
217 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer,
218 caseNodeExternalAugmentationInChoiceInContainer);
219 final JsonObject cont1 = resolveCont1(jsonOutput);
220 assertNotNull(cont1);
222 final JsonPrimitive lf15_11Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_11");
223 assertNotNull(lf15_11Augment);
224 final JsonPrimitive lf15_12Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_12");
225 assertNotNull(lf15_12Augment);
226 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
228 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
229 assertNotNull(lf15_11);
230 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
231 assertNotNull(lf15_12);
233 assertEquals("lf15_11 value from augmentation", lf15_11Augment.getAsString());
234 assertEquals("lf15_12 value from augmentation", lf15_12Augment.getAsString());
235 assertEquals("lf13 value", lf13.getAsString());
236 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
237 assertEquals("complexjson:ident", lf15_12.getAsString());
241 * augmentation of choice - adding new case.
244 * after running this test following exception is raised:
245 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
246 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
249 public void choiceNodeAugmentationInContainer() throws IOException, URISyntaxException {
250 final Writer writer = new StringWriter();
251 final NormalizedNode<?, ?> choiceNodeAugmentationInContainer = TestingNormalizedNodeStructuresCreator
252 .choiceNodeAugmentationInContainer();
253 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, choiceNodeAugmentationInContainer);
254 final JsonObject cont1 = resolveCont1(jsonOutput);
255 assertNotNull(cont1);
257 final JsonPrimitive lf17 = childPrimitive(cont1, "complexjson:lf17", "lf17");
259 assertEquals("lf17 value", lf17.getAsString());
263 public void unkeyedNodeInContainer() throws IOException, URISyntaxException {
264 final Writer writer = new StringWriter();
265 final NormalizedNode<?, ?> unkeyedNodeInContainer = TestingNormalizedNodeStructuresCreator
266 .unkeyedNodeInContainer();
267 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, unkeyedNodeInContainer);
268 final JsonObject cont1 = resolveCont1(jsonOutput);
269 assertNotNull(cont1);
271 final JsonArray lst12 = childArray(cont1, "complexjson:lst12", "lst12");
272 assertNotNull(lst12);
274 final Iterator<JsonElement> iterator = lst12.iterator();
275 assertTrue(iterator.hasNext());
276 final JsonElement lst12Entry1Raw = iterator.next();
277 assertFalse(iterator.hasNext());
279 assertTrue(lst12Entry1Raw instanceof JsonObject);
280 final JsonObject lst12Entry1 = (JsonObject) lst12Entry1Raw;
281 final JsonPrimitive lf121 = childPrimitive(lst12Entry1, "complexjson:lf121", "lf121");
282 assertNotNull(lf121);
284 assertEquals("lf121 value", lf121.getAsString());
288 public void emptyTypeTest() throws IOException, URISyntaxException {
289 final StringWriter writer = new StringWriter();
290 final ContainerNode emptyStructure = Builders.containerBuilder()
291 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(CONT_1))
292 .addChild(ImmutableNodes.leafNode(EMPTY_LEAF, Empty.getInstance())).build();
293 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, emptyStructure);
294 final JsonObject cont1 = resolveCont1(jsonOutput);
295 final JsonElement emptyObj = cont1.get("empty");
296 assertNotNull(emptyObj);
297 assertTrue(emptyObj instanceof JsonArray);
298 assertEquals(1, emptyObj.getAsJsonArray().size());
299 assertTrue(emptyObj.getAsJsonArray().get(0) instanceof JsonNull);
302 private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
303 final NormalizedNode<?, ?> inputStructure) throws IOException {
305 final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
306 lhotkaCodecFactory, SchemaPath.ROOT, null, JsonWriterFactory.createJsonWriter(writer, 2));
307 final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
308 nodeWriter.write(inputStructure);
311 return writer.toString();