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.common.Empty;
33 import org.opendaylight.yangtools.yang.common.QName;
34 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
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 {
54 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
55 TestingNormalizedNodeStructuresCreator.leafNodeInContainer());
56 final JsonObject cont1 = resolveCont1(jsonOutput);
59 final JsonPrimitive lf11 = childPrimitive(cont1, "complexjson:lf11", "lf11");
61 final int asInt = lf11.getAsInt();
62 assertEquals(453, asInt);
66 public void leafListNodeInContainerMultiline() throws IOException {
67 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
68 TestingNormalizedNodeStructuresCreator.leafListNodeInContainerMultiline());
69 final JsonObject cont1 = resolveCont1(jsonOutput);
71 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
72 assertNotNull(lflst11);
74 final HashSet<Object> lflst11Values = new HashSet<>();
75 for (final JsonElement jsonElement : lflst11) {
76 assertTrue(jsonElement instanceof JsonPrimitive);
77 lflst11Values.add(jsonElement.getAsString());
80 assertEquals(ImmutableSet.of("lflst11 value2\r\nanother line 2", "lflst11 value1\nanother line 1"),
85 public void leafNodeViaAugmentationInContainer() throws IOException {
86 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
87 TestingNormalizedNodeStructuresCreator.leafNodeViaAugmentationInContainer());
88 final JsonObject cont1 = resolveCont1(jsonOutput);
91 final JsonPrimitive lf12_1 = childPrimitive(cont1, "complexjson:lf12_1", "lf12_1");
92 assertNotNull(lf12_1);
93 final String asString = lf12_1.getAsString();
94 assertEquals("lf12 value", asString);
98 public void leafListNodeInContainer() throws IOException {
99 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
100 TestingNormalizedNodeStructuresCreator.leafListNodeInContainer());
101 final JsonObject cont1 = resolveCont1(jsonOutput);
102 assertNotNull(cont1);
103 final JsonArray lflst11 = childArray(cont1, "complexjson:lflst11", "lflst11");
104 assertNotNull(lflst11);
106 final HashSet<Object> lflst11Values = new HashSet<>();
107 for (final JsonElement jsonElement : lflst11) {
108 assertTrue(jsonElement instanceof JsonPrimitive);
109 lflst11Values.add(jsonElement.getAsString());
112 assertEquals(ImmutableSet.of("lflst11 value2", "lflst11 value1"), lflst11Values);
116 public void keyedListNodeInContainer() throws IOException {
117 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
118 TestingNormalizedNodeStructuresCreator.keyedListNodeInContainer());
119 final JsonObject cont1 = resolveCont1(jsonOutput);
120 assertNotNull(cont1);
121 final JsonArray lst11 = childArray(cont1, "complexjson:lst11", "lst11");
122 assertNotNull(lst11);
124 final Iterator<JsonElement> iterator = lst11.iterator();
125 assertTrue(iterator.hasNext());
126 final JsonElement lst11Entry1Raw = iterator.next();
127 assertFalse(iterator.hasNext());
128 assertTrue(lst11Entry1Raw instanceof JsonObject);
129 final JsonObject lst11Entry1 = (JsonObject) lst11Entry1Raw;
131 final JsonPrimitive key111 = childPrimitive(lst11Entry1, "complexjson:key111", "key111");
132 assertNotNull(key111);
133 final JsonPrimitive lf112 = childPrimitive(lst11Entry1, "complexjson:lf112", "lf112");
134 assertNotNull(lf112);
135 final JsonPrimitive lf113 = childPrimitive(lst11Entry1, "complexjson:lf113", "lf113");
136 assertNotNull(lf113);
137 final JsonPrimitive lf111 = childPrimitive(lst11Entry1, "complexjson:lf111", "lf111");
138 assertNotNull(lf111);
140 assertEquals("key111 value", key111.getAsString());
141 assertEquals("/complexjson:cont1/complexjson:lflst11[.='foo']", lf112.getAsString());
142 assertEquals("lf113 value", lf113.getAsString());
143 assertEquals("lf111 value", lf111.getAsString());
147 public void choiceNodeInContainer() throws IOException {
148 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
149 TestingNormalizedNodeStructuresCreator.choiceNodeInContainer());
150 final JsonObject cont1 = resolveCont1(jsonOutput);
151 assertNotNull(cont1);
152 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
155 assertEquals("lf13 value", lf13.getAsString());
159 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) and one leaf (augment B) are
163 * after running this test following exception is raised:
164 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
165 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
168 public void caseNodeAugmentationInChoiceInContainer() throws IOException {
169 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
170 TestingNormalizedNodeStructuresCreator.caseNodeAugmentationInChoiceInContainer());
171 final JsonObject cont1 = resolveCont1(jsonOutput);
172 assertNotNull(cont1);
174 final JsonPrimitive lf15_21 = childPrimitive(cont1, "complexjson:lf15_21", "lf15_21");
175 assertNotNull(lf15_21);
176 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
178 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
179 assertNotNull(lf15_11);
180 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
181 assertNotNull(lf15_12);
183 assertEquals("lf15_21 value", lf15_21.getAsString());
184 assertEquals("lf13 value", lf13.getAsString());
185 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
186 assertEquals("complexjson:ident", lf15_12.getAsString());
190 * tested case when case c11A in choice choc11 is augmented (two leaves (augment A) internally and one two leaves
191 * with the same names externally (augment B) are added).
194 * after running this test following exception is raised:
195 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
196 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
199 public void caseNodeExternalAugmentationInChoiceInContainer() throws IOException {
200 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
201 TestingNormalizedNodeStructuresCreator.caseNodeExternalAugmentationInChoiceInContainer());
202 final JsonObject cont1 = resolveCont1(jsonOutput);
203 assertNotNull(cont1);
205 final JsonPrimitive lf15_11Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_11");
206 assertNotNull(lf15_11Augment);
207 final JsonPrimitive lf15_12Augment = childPrimitive(cont1, "complexjson-augmentation:lf15_12");
208 assertNotNull(lf15_12Augment);
209 final JsonPrimitive lf13 = childPrimitive(cont1, "complexjson:lf13", "lf13");
211 final JsonPrimitive lf15_11 = childPrimitive(cont1, "complexjson:lf15_11", "lf15_11");
212 assertNotNull(lf15_11);
213 final JsonPrimitive lf15_12 = childPrimitive(cont1, "complexjson:lf15_12", "lf15_12");
214 assertNotNull(lf15_12);
216 assertEquals("lf15_11 value from augmentation", lf15_11Augment.getAsString());
217 assertEquals("lf15_12 value from augmentation", lf15_12Augment.getAsString());
218 assertEquals("lf13 value", lf13.getAsString());
219 assertTrue("one two".equals(lf15_11.getAsString()) || "two one".equals(lf15_11.getAsString()));
220 assertEquals("complexjson:ident", lf15_12.getAsString());
224 * augmentation of choice - adding new case.
227 * after running this test following exception is raised:
228 * java.lang.IllegalArgumentException: Augmentation allowed only in DataNodeContainer
229 * [ChoiceNodeImpl[qname=(ns:complex:json?revision=2014-08-11)choc11]]
232 public void choiceNodeAugmentationInContainer() throws IOException {
233 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
234 TestingNormalizedNodeStructuresCreator.choiceNodeAugmentationInContainer());
235 final JsonObject cont1 = resolveCont1(jsonOutput);
236 assertNotNull(cont1);
238 final JsonPrimitive lf17 = childPrimitive(cont1, "complexjson:lf17", "lf17");
240 assertEquals("lf17 value", lf17.getAsString());
244 public void unkeyedNodeInContainer() throws IOException {
245 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
246 TestingNormalizedNodeStructuresCreator.unkeyedNodeInContainer());
247 final JsonObject cont1 = resolveCont1(jsonOutput);
248 assertNotNull(cont1);
250 final JsonArray lst12 = childArray(cont1, "complexjson:lst12", "lst12");
251 assertNotNull(lst12);
253 final Iterator<JsonElement> iterator = lst12.iterator();
254 assertTrue(iterator.hasNext());
255 final JsonElement lst12Entry1Raw = iterator.next();
256 assertFalse(iterator.hasNext());
258 assertTrue(lst12Entry1Raw instanceof JsonObject);
259 final JsonObject lst12Entry1 = (JsonObject) lst12Entry1Raw;
260 final JsonPrimitive lf121 = childPrimitive(lst12Entry1, "complexjson:lf121", "lf121");
261 assertNotNull(lf121);
263 assertEquals("lf121 value", lf121.getAsString());
267 public void emptyTypeTest() throws IOException {
268 final String jsonOutput = normalizedNodeToJsonStreamTransformation(Builders.containerBuilder()
269 .withNodeIdentifier(new NodeIdentifier(CONT_1))
270 .addChild(ImmutableNodes.leafNode(EMPTY_LEAF, Empty.getInstance()))
272 final JsonObject cont1 = resolveCont1(jsonOutput);
273 final JsonElement emptyObj = cont1.get("empty");
274 assertNotNull(emptyObj);
275 assertTrue(emptyObj instanceof JsonArray);
276 assertEquals(1, emptyObj.getAsJsonArray().size());
277 assertTrue(emptyObj.getAsJsonArray().get(0) instanceof JsonNull);
281 public void emptyNonPresenceContainerTest() throws IOException {
282 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
283 TestingNormalizedNodeStructuresCreator.topLevelContainer());
284 final JsonObject cont1 = resolveCont1(jsonOutput);
289 public void emptyNonPresenceContainerInContainerTest() throws IOException {
290 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
291 TestingNormalizedNodeStructuresCreator.emptyContainerInContainer());
292 final JsonObject cont1 = resolveCont1(jsonOutput);
297 public void emptyPresenceContainerTest() throws IOException {
298 final String jsonOutput = normalizedNodeToJsonStreamTransformation(
299 TestingNormalizedNodeStructuresCreator.cont2Node());
300 final JsonObject cont2 = resolveCont2(jsonOutput);
301 assertNotNull(cont2);
304 private static String normalizedNodeToJsonStreamTransformation(final NormalizedNode<?, ?> inputStructure)
306 final Writer writer = new StringWriter();
307 final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
308 lhotkaCodecFactory, SchemaPath.ROOT, null, JsonWriterFactory.createJsonWriter(writer, 2));
309 try (NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream)) {
310 nodeWriter.write(inputStructure);
313 return writer.toString();