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.assertNull;
14 import static org.junit.Assert.assertTrue;
15 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.childArray;
16 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.childPrimitive;
17 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.resolveCont1;
18 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.resolveCont2;
20 import com.google.common.collect.ImmutableSet;
21 import com.google.gson.JsonArray;
22 import com.google.gson.JsonElement;
23 import com.google.gson.JsonNull;
24 import com.google.gson.JsonObject;
25 import com.google.gson.JsonPrimitive;
26 import java.io.IOException;
27 import java.io.StringWriter;
28 import java.io.Writer;
29 import java.util.HashSet;
30 import java.util.Iterator;
31 import org.junit.Test;
32 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
33 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
34 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
35 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
38 * Each test tests whether json output obtained after transformation contains is corect. The transformation takes
39 * normalized node data structure and transform it to json output. To make it easier validate json output it is loaded
40 * via gson as structure of json elements which are walked and compared with awaited values.
42 public class NormalizedNodeToJsonStreamTest extends AbstractComplexJsonTest {
44 public void leafNodeInContainer() throws IOException {
45 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
46 TestingNormalizedNodeStructuresCreator.leafNodeInContainer());
47 final JsonObject cont1 = resolveCont1(jsonOutput);
50 final JsonPrimitive lf11 = childPrimitive(cont1, "complexjson:lf11", "lf11");
52 final int asInt = lf11.getAsInt();
53 assertEquals(453, asInt);
57 public void leafListNodeInContainerMultiline() throws IOException {
58 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
59 TestingNormalizedNodeStructuresCreator.leafListNodeInContainerMultiline());
60 final JsonObject cont1 = resolveCont1(jsonOutput);
62 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
63 assertNotNull(lflst11);
65 final HashSet<Object> lflst11Values = new HashSet<>();
66 for (final JsonElement jsonElement : lflst11) {
67 assertTrue(jsonElement instanceof JsonPrimitive);
68 lflst11Values.add(jsonElement.getAsString());
71 assertEquals(ImmutableSet.of("lflst11 value2\r\nanother line 2", "lflst11 value1\nanother line 1"),
76 public void leafNodeViaAugmentationInContainer() throws IOException {
77 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
78 TestingNormalizedNodeStructuresCreator.leafNodeViaAugmentationInContainer());
79 final JsonObject cont1 = resolveCont1(jsonOutput);
82 final JsonPrimitive lf12_1 = childPrimitive(cont1, "complexjson:lf12_1", "lf12_1");
83 assertNotNull(lf12_1);
84 final String asString = lf12_1.getAsString();
85 assertEquals("lf12 value", asString);
89 public void leafListNodeInContainer() throws IOException {
90 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
91 TestingNormalizedNodeStructuresCreator.leafListNodeInContainer());
92 final JsonObject cont1 = resolveCont1(jsonOutput);
94 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
95 assertNotNull(lflst11);
97 final HashSet<Object> lflst11Values = new HashSet<>();
98 for (final JsonElement jsonElement : lflst11) {
99 assertTrue(jsonElement instanceof JsonPrimitive);
100 lflst11Values.add(jsonElement.getAsString());
103 assertEquals(ImmutableSet.of("lflst11 value2", "lflst11 value1"), lflst11Values);
107 public void keyedListNodeInContainer() throws IOException {
108 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
109 TestingNormalizedNodeStructuresCreator.keyedListNodeInContainer());
110 final JsonObject cont1 = resolveCont1(jsonOutput);
111 assertNotNull(cont1);
112 final JsonArray lst11 = childArray(cont1, "complexjson:lst11", "lst11");
113 assertNotNull(lst11);
115 final Iterator<JsonElement> iterator = lst11.iterator();
116 assertTrue(iterator.hasNext());
117 final JsonElement lst11Entry1Raw = iterator.next();
118 assertFalse(iterator.hasNext());
119 assertTrue(lst11Entry1Raw instanceof JsonObject);
120 final JsonObject lst11Entry1 = (JsonObject) lst11Entry1Raw;
122 final JsonPrimitive key111 = childPrimitive(lst11Entry1, "complexjson:key111", "key111");
123 assertNotNull(key111);
124 final JsonPrimitive lf112 = childPrimitive(lst11Entry1, "complexjson:lf112", "lf112");
125 assertNotNull(lf112);
126 final JsonPrimitive lf113 = childPrimitive(lst11Entry1, "complexjson:lf113", "lf113");
127 assertNotNull(lf113);
128 final JsonPrimitive lf111 = childPrimitive(lst11Entry1, "complexjson:lf111", "lf111");
129 assertNotNull(lf111);
131 assertEquals("key111 value", key111.getAsString());
132 assertEquals("/complexjson:cont1/complexjson:lflst11[.='foo']", lf112.getAsString());
133 assertEquals("lf113 value", lf113.getAsString());
134 assertEquals("lf111 value", lf111.getAsString());
138 public void choiceNodeInContainer() throws IOException {
139 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
140 TestingNormalizedNodeStructuresCreator.choiceNodeInContainer());
141 final JsonObject cont1 = resolveCont1(jsonOutput);
142 assertNotNull(cont1);
143 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
146 assertEquals("lf13 value", lf13.getAsString());
150 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) and one leaf (augment B) are
154 * after running this test following exception is raised:
155 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
156 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
159 public void caseNodeAugmentationInChoiceInContainer() throws IOException {
160 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
161 TestingNormalizedNodeStructuresCreator.caseNodeAugmentationInChoiceInContainer());
162 final JsonObject cont1 = resolveCont1(jsonOutput);
163 assertNotNull(cont1);
165 final JsonPrimitive lf15_21 = childPrimitive(cont1, "complexjson:lf15_21", "lf15_21");
166 assertNotNull(lf15_21);
167 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
169 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
170 assertNotNull(lf15_11);
171 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
172 assertNotNull(lf15_12);
174 assertEquals("lf15_21 value", lf15_21.getAsString());
175 assertEquals("lf13 value", lf13.getAsString());
176 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
177 assertEquals("complexjson:ident", lf15_12.getAsString());
181 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) internally and one two leaves
182 * with the same names externally (augment B) are added).
185 * after running this test following exception is raised:
186 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
187 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
190 public void caseNodeExternalAugmentationInChoiceInContainer() throws IOException {
191 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
192 TestingNormalizedNodeStructuresCreator.caseNodeExternalAugmentationInChoiceInContainer());
193 final JsonObject cont1 = resolveCont1(jsonOutput);
194 assertNotNull(cont1);
196 final JsonPrimitive lf15_11Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_11");
197 assertNotNull(lf15_11Augment);
198 final JsonPrimitive lf15_12Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_12");
199 assertNotNull(lf15_12Augment);
200 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
202 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
203 assertNotNull(lf15_11);
204 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
205 assertNotNull(lf15_12);
207 assertEquals("lf15_11 value from augmentation", lf15_11Augment.getAsString());
208 assertEquals("lf15_12 value from augmentation", lf15_12Augment.getAsString());
209 assertEquals("lf13 value", lf13.getAsString());
210 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
211 assertEquals("complexjson:ident", lf15_12.getAsString());
215 * augmentation of choice - adding new case.
218 * after running this test following exception is raised:
219 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
220 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
223 public void choiceNodeAugmentationInContainer() throws IOException {
224 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
225 TestingNormalizedNodeStructuresCreator.choiceNodeAugmentationInContainer());
226 final JsonObject cont1 = resolveCont1(jsonOutput);
227 assertNotNull(cont1);
229 final JsonPrimitive lf17 = childPrimitive(cont1, "complexjson:lf17", "lf17");
231 assertEquals("lf17 value", lf17.getAsString());
235 public void unkeyedNodeInContainer() throws IOException {
236 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
237 TestingNormalizedNodeStructuresCreator.unkeyedNodeInContainer());
238 final JsonObject cont1 = resolveCont1(jsonOutput);
239 assertNotNull(cont1);
241 final JsonArray lst12 = childArray(cont1, "complexjson:lst12", "lst12");
242 assertNotNull(lst12);
244 final Iterator<JsonElement> iterator = lst12.iterator();
245 assertTrue(iterator.hasNext());
246 final JsonElement lst12Entry1Raw = iterator.next();
247 assertFalse(iterator.hasNext());
249 assertTrue(lst12Entry1Raw instanceof JsonObject);
250 final JsonObject lst12Entry1 = (JsonObject) lst12Entry1Raw;
251 final JsonPrimitive lf121 = childPrimitive(lst12Entry1, "complexjson:lf121", "lf121");
252 assertNotNull(lf121);
254 assertEquals("lf121 value", lf121.getAsString());
258 public void emptyTypeTest() throws IOException {
259 final String jsonOutput = normalizedNodeToJsonStreamTransformation(CONT1_WITH_EMPTYLEAF);
260 final JsonObject cont1 = resolveCont1(jsonOutput);
261 final JsonElement emptyObj = cont1.get("empty");
262 assertNotNull(emptyObj);
263 assertTrue(emptyObj instanceof JsonArray);
264 assertEquals(1, emptyObj.getAsJsonArray().size());
265 assertTrue(emptyObj.getAsJsonArray().get(0) instanceof JsonNull);
269 public void emptyNonPresenceContainerTest() throws IOException {
270 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
271 TestingNormalizedNodeStructuresCreator.topLevelContainer());
272 final JsonObject cont1 = resolveCont1(jsonOutput);
277 public void emptyNonPresenceContainerInContainerTest() throws IOException {
278 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
279 TestingNormalizedNodeStructuresCreator.emptyContainerInContainer());
280 final JsonObject cont1 = resolveCont1(jsonOutput);
285 public void emptyPresenceContainerTest() throws IOException {
286 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
287 TestingNormalizedNodeStructuresCreator.cont2Node());
288 final JsonObject cont2 = resolveCont2(jsonOutput);
289 assertNotNull(cont2);
292 private static String normalizedNodeToJsonStreamTransformation(final NormalizedNode inputStructure)
294 final Writer writer = new StringWriter();
295 final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
296 lhotkaCodecFactory, SchemaPath.ROOT, null, JsonWriterFactory.createJsonWriter(writer, 2));
297 try (NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream)) {
298 nodeWriter.write(inputStructure);
301 return writer.toString();