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