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