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