opendaylight/md-sal/sal-rest-connector/src/test/java/org/opendaylight/controller/sal/restconf/impl/cnsn/to/json/test/CnSnToJsonBasicDataTypesTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.sal.restconf.impl.cnsn.to.json.test;
   9
  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.fail;
  15
  16 import com.google.common.collect.Maps;
  17 import com.google.gson.stream.JsonReader;
  18 import com.google.gson.stream.JsonToken;
  19 import java.io.IOException;
  20 import java.io.StringReader;
  21 import java.util.Map;
  22 import org.junit.BeforeClass;
  23 import org.junit.Test;
  24 import org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider;
  25 import org.opendaylight.controller.sal.rest.impl.XmlToCompositeNodeProvider;
  26 import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
  27 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
  28 import org.opendaylight.controller.sal.restconf.impl.test.TestUtils;
  29 import org.opendaylight.controller.sal.restconf.impl.test.YangAndXmlAndDataSchemaLoader;
  30 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  31
  32 public class CnSnToJsonBasicDataTypesTest extends YangAndXmlAndDataSchemaLoader {
  33
  34     static abstract class LeafVerifier {
  35
  36         Object expectedValue;
  37         JsonToken expectedToken;
  38
  39         LeafVerifier(Object expectedValue, JsonToken expectedToken) {
  40             this.expectedValue = expectedValue;
  41             this.expectedToken = expectedToken;
  42         }
  43
  44         abstract Object getActualValue(JsonReader reader) throws IOException;
  45
  46         void verify(JsonReader reader, String keyName) throws IOException {
  47             assertEquals("Json value for key " + keyName, expectedValue, getActualValue(reader));
  48         }
  49
  50         JsonToken expectedTokenType() {
  51             return expectedToken;
  52         }
  53     }
  54
  55     static class BooleanVerifier extends LeafVerifier {
  56
  57         public BooleanVerifier(boolean expected) {
  58             super(expected, JsonToken.BOOLEAN);
  59         }
  60
  61         @Override
  62         Object getActualValue(JsonReader reader) throws IOException {
  63             return reader.nextBoolean();
  64         }
  65     }
  66
  67     static class NumberVerifier extends LeafVerifier {
  68
  69         public NumberVerifier(Number expected) {
  70             super(expected, JsonToken.NUMBER);
  71         }
  72
  73         @Override
  74         Object getActualValue(JsonReader reader) throws IOException {
  75             if (expectedValue instanceof Double) {
  76                 return reader.nextDouble();
  77             } else if (expectedValue instanceof Long) {
  78                 return reader.nextLong();
  79             } else if (expectedValue instanceof Integer) {
  80                 return reader.nextInt();
  81             }
  82
  83             return null;
  84         }
  85     }
  86
  87     static class StringVerifier extends LeafVerifier {
  88
  89         StringVerifier(String expected) {
  90             super(expected, JsonToken.STRING);
  91         }
  92
  93         @Override
  94         Object getActualValue(JsonReader reader) throws IOException {
  95             return reader.nextString();
  96         }
  97     }
  98
  99     static class EmptyVerifier extends LeafVerifier {
 100
 101         EmptyVerifier() {
 102             super(null, null);
 103         }
 104
 105         @Override
 106         Object getActualValue(JsonReader reader) throws IOException {
 107             reader.beginArray();
 108             reader.nextNull();
 109             reader.endArray();
 110             return null;
 111         }
 112
 113     }
 114
 115     static class ComplexAnyXmlVerifier extends LeafVerifier {
 116
 117         ComplexAnyXmlVerifier() {
 118             super(null, JsonToken.BEGIN_OBJECT);
 119         }
 120
 121         @Override
 122         void verify(JsonReader reader, String keyName) throws IOException {
 123
 124             reader.beginObject();
 125             String innerKey = reader.nextName();
 126             assertEquals("Json reader child key for " + keyName, "data", innerKey);
 127             assertEquals("Json token type for key " + innerKey, JsonToken.BEGIN_OBJECT, reader.peek());
 128
 129             reader.beginObject();
 130             verifyLeaf(reader, innerKey, "leaf1", "leaf1-value");
 131             verifyLeaf(reader, innerKey, "leaf2", "leaf2-value");
 132
 133             String nextName = reader.nextName();
 134             assertEquals("Json reader child key for " + innerKey, "leaf-list", nextName);
 135             reader.beginArray();
 136             assertEquals("Json value for key " + nextName, "leaf-list-value1", reader.nextString());
 137             assertEquals("Json value for key " + nextName, "leaf-list-value2", reader.nextString());
 138             reader.endArray();
 139
 140             nextName = reader.nextName();
 141             assertEquals("Json reader child key for " + innerKey, "list", nextName);
 142             reader.beginArray();
 143             verifyNestedLists(reader, 1);
 144             verifyNestedLists(reader, 3);
 145             reader.endArray();
 146
 147             reader.endObject();
 148             reader.endObject();
 149         }
 150
 151         void verifyNestedLists(JsonReader reader, int leafNum) throws IOException {
 152             reader.beginObject();
 153
 154             String nextName = reader.nextName();
 155             assertEquals("Json reader next name", "nested-list", nextName);
 156
 157             reader.beginArray();
 158
 159             reader.beginObject();
 160             verifyLeaf(reader, "nested-list", "nested-leaf", "nested-value" + leafNum++);
 161             reader.endObject();
 162
 163             reader.beginObject();
 164             verifyLeaf(reader, "nested-list", "nested-leaf", "nested-value" + leafNum);
 165             reader.endObject();
 166
 167             reader.endArray();
 168             reader.endObject();
 169         }
 170
 171         void verifyLeaf(JsonReader reader, String parent, String name, String value) throws IOException {
 172             String nextName = reader.nextName();
 173             assertEquals("Json reader child key for " + parent, name, nextName);
 174             assertEquals("Json token type for key " + parent, JsonToken.STRING, reader.peek());
 175             assertEquals("Json value for key " + nextName, value, reader.nextString());
 176         }
 177
 178         @Override
 179         Object getActualValue(JsonReader reader) throws IOException {
 180             return null;
 181         }
 182     }
 183
 184     @BeforeClass
 185     public static void initialize() {
 186         dataLoad("/cnsn-to-json/simple-data-types");
 187     }
 188
 189     @Test
 190     public void simpleYangDataTest() throws Exception {
 191
 192         CompositeNode compositeNode = TestUtils.readInputToCnSn("/cnsn-to-json/simple-data-types/xml/data.xml",
 193                 XmlToCompositeNodeProvider.INSTANCE);
 194
 195         TestUtils.normalizeCompositeNode(compositeNode, modules, "simple-data-types:cont");
 196
 197         String jsonOutput = TestUtils.writeCompNodeWithSchemaContextToOutput(compositeNode, modules, dataSchemaNode,
 198                 StructuredDataToJsonProvider.INSTANCE);
 199
 200         assertNotNull(jsonOutput);
 201
 202         verifyJsonOutput(jsonOutput);
 203     }
 204
 205     private void verifyJsonOutput(String jsonOutput) {
 206         StringReader strReader = new StringReader(jsonOutput);
 207         JsonReader jReader = new JsonReader(strReader);
 208
 209         String exception = null;
 210         try {
 211             jsonReadCont(jReader);
 212         } catch (IOException e) {
 213             exception = e.getMessage();
 214         }
 215
 216         assertNull("Error during reading Json output: " + exception, exception);
 217     }
 218
 219     private void jsonReadCont(JsonReader jReader) throws IOException {
 220         jReader.beginObject();
 221         assertNotNull("cont1 is missing.", jReader.hasNext());
 222
 223         // Cont dataFromJson = new Cont(jReader.nextName());
 224         jReader.nextName();
 225         jsonReadContElements(jReader);
 226
 227         assertFalse("cont shouldn't have other element.", jReader.hasNext());
 228         jReader.endObject();
 229         // return dataFromJson;
 230     }
 231
 232     private void jsonReadContElements(JsonReader jReader) throws IOException {
 233         jReader.beginObject();
 234
 235         Map<String, LeafVerifier> expectedMap = Maps.newHashMap();
 236         expectedMap.put("lfnint8Min", new NumberVerifier(Integer.valueOf(-128)));
 237         expectedMap.put("lfnint8Max", new NumberVerifier(Integer.valueOf(127)));
 238         expectedMap.put("lfnint16Min", new NumberVerifier(Integer.valueOf(-32768)));
 239         expectedMap.put("lfnint16Max", new NumberVerifier(Integer.valueOf(32767)));
 240         expectedMap.put("lfnint32Min", new NumberVerifier(Integer.valueOf(-2147483648)));
 241         expectedMap.put("lfnint32Max", new NumberVerifier(Long.valueOf(2147483647)));
 242         expectedMap.put("lfnint64Min", new NumberVerifier(Long.valueOf(-9223372036854775808L)));
 243         expectedMap.put("lfnint64Max", new NumberVerifier(Long.valueOf(9223372036854775807L)));
 244         expectedMap.put("lfnuint8Max", new NumberVerifier(Integer.valueOf(255)));
 245         expectedMap.put("lfnuint16Max", new NumberVerifier(Integer.valueOf(65535)));
 246         expectedMap.put("lfnuint32Max", new NumberVerifier(Long.valueOf(4294967295L)));
 247         expectedMap.put("lfstr", new StringVerifier("lfstr"));
 248         expectedMap.put("lfstr1", new StringVerifier(""));
 249         expectedMap.put("lfbool1", new BooleanVerifier(true));
 250         expectedMap.put("lfbool2", new BooleanVerifier(false));
 251         expectedMap.put("lfbool3", new BooleanVerifier(false));
 252         expectedMap.put("lfdecimal1", new NumberVerifier(new Double(43.32)));
 253         expectedMap.put("lfdecimal2", new NumberVerifier(new Double(-0.43)));
 254         expectedMap.put("lfdecimal3", new NumberVerifier(new Double(43)));
 255         expectedMap.put("lfdecimal4", new NumberVerifier(new Double(43E3)));
 256         expectedMap.put("lfdecimal6", new NumberVerifier(new Double(33.12345)));
 257         expectedMap.put("lfenum", new StringVerifier("enum3"));
 258         expectedMap.put("lfbits", new StringVerifier("bit3 bit2"));
 259         expectedMap.put("lfbinary", new StringVerifier("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
 260         expectedMap.put("lfunion1", new StringVerifier("324"));
 261         expectedMap.put("lfunion2", new StringVerifier("33.3"));
 262         expectedMap.put("lfunion3", new StringVerifier("55"));
 263         expectedMap.put("lfunion4", new StringVerifier("true"));
 264         expectedMap.put("lfunion5", new StringVerifier("true"));
 265         expectedMap.put("lfunion6", new StringVerifier("10"));
 266         expectedMap.put("lfunion7", new StringVerifier(""));
 267         expectedMap.put("lfunion8", new StringVerifier(""));
 268         expectedMap.put("lfunion9", new StringVerifier(""));
 269         expectedMap.put("lfunion10", new StringVerifier("bt1"));
 270         expectedMap.put("lfunion11", new StringVerifier("33"));
 271         expectedMap.put("lfunion12", new StringVerifier("false"));
 272         expectedMap.put("lfunion13", new StringVerifier("b1"));
 273         expectedMap.put("lfunion14", new StringVerifier("zero"));
 274         expectedMap.put("lfempty", new EmptyVerifier());
 275         expectedMap.put("identityref1", new StringVerifier("simple-data-types:iden"));
 276         expectedMap.put("complex-any", new ComplexAnyXmlVerifier());
 277         expectedMap.put("simple-any", new StringVerifier("simple"));
 278         expectedMap.put("empty-any", new StringVerifier(""));
 279
 280         while (jReader.hasNext()) {
 281             String keyName = jReader.nextName();
 282             JsonToken peek = jReader.peek();
 283
 284             LeafVerifier verifier = expectedMap.remove(keyName);
 285             assertNotNull("Found unexpected leaf: " + keyName, verifier);
 286
 287             JsonToken expToken = verifier.expectedTokenType();
 288             if (expToken != null) {
 289                 assertEquals("Json token type for key " + keyName, expToken, peek);
 290             }
 291
 292             verifier.verify(jReader, keyName);
 293         }
 294
 295         if (!expectedMap.isEmpty()) {
 296             fail("Missing leaf nodes in Json output: " + expectedMap.keySet());
 297         }
 298
 299         jReader.endObject();
 300     }
 301
 302     @Test
 303     public void testBadData() throws Exception {
 304
 305         try {
 306             CompositeNode compositeNode = TestUtils.readInputToCnSn("/cnsn-to-json/simple-data-types/xml/bad-data.xml",
 307                     XmlToCompositeNodeProvider.INSTANCE);
 308
 309             TestUtils.normalizeCompositeNode(compositeNode, modules, "simple-data-types:cont");
 310             fail("Expected RestconfDocumentedException");
 311         } catch (RestconfDocumentedException e) {
 312             assertEquals("getErrorTag", ErrorTag.INVALID_VALUE, e.getErrors().get(0).getErrorTag());
 313         }
 314     }
 315 }