restconf/restconf-nb-bierman02/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     abstract static 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         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         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,
 167                         final String value) throws IOException {
 168             final String nextName = reader.nextName();
 169             assertEquals("Json reader child key for " + parent, name, nextName);
 170             assertEquals("Json token type for key " + parent, JsonToken.STRING, reader.peek());
 171             assertEquals("Json value for key " + nextName, value, reader.nextString());
 172         }
 173
 174         @Override
 175         Object getActualValue(final JsonReader reader) throws IOException {
 176             return null;
 177         }
 178     }
 179
 180     @BeforeClass
 181     public static void initialize() throws FileNotFoundException, ReactorException {
 182         dataLoad("/cnsn-to-json/simple-data-types");
 183     }
 184
 185     private static void verifyJsonOutput(final String jsonOutput) {
 186         final StringReader strReader = new StringReader(jsonOutput);
 187         final JsonReader jReader = new JsonReader(strReader);
 188
 189         String exception = null;
 190         try {
 191             jsonReadCont(jReader);
 192         } catch (final IOException e) {
 193             exception = e.getMessage();
 194         }
 195
 196         assertNull("Error during reading Json output: " + exception, exception);
 197     }
 198
 199     private static void jsonReadCont(final JsonReader jsonReader) throws IOException {
 200         jsonReader.beginObject();
 201         assertNotNull("cont1 is missing.", jsonReader.hasNext());
 202
 203         // Cont dataFromJson = new Cont(jReader.nextName());
 204         jsonReader.nextName();
 205         jsonReadContElements(jsonReader);
 206
 207         assertFalse("cont shouldn't have other element.", jsonReader.hasNext());
 208         jsonReader.endObject();
 209         // return dataFromJson;
 210     }
 211
 212     private static void jsonReadContElements(final JsonReader jsonReader) throws IOException {
 213         jsonReader.beginObject();
 214
 215         final Map<String, LeafVerifier> expectedMap = Maps.newHashMap();
 216         expectedMap.put("lfnint8Min", new NumberVerifier(Integer.valueOf(-128)));
 217         expectedMap.put("lfnint8Max", new NumberVerifier(Integer.valueOf(127)));
 218         expectedMap.put("lfnint16Min", new NumberVerifier(Integer.valueOf(-32768)));
 219         expectedMap.put("lfnint16Max", new NumberVerifier(Integer.valueOf(32767)));
 220         expectedMap.put("lfnint32Min", new NumberVerifier(Integer.valueOf(-2147483648)));
 221         expectedMap.put("lfnint32Max", new NumberVerifier(Long.valueOf(2147483647)));
 222         expectedMap.put("lfnint64Min", new NumberVerifier(Long.valueOf(-9223372036854775808L)));
 223         expectedMap.put("lfnint64Max", new NumberVerifier(Long.valueOf(9223372036854775807L)));
 224         expectedMap.put("lfnuint8Max", new NumberVerifier(Integer.valueOf(255)));
 225         expectedMap.put("lfnuint16Max", new NumberVerifier(Integer.valueOf(65535)));
 226         expectedMap.put("lfnuint32Max", new NumberVerifier(Long.valueOf(4294967295L)));
 227         expectedMap.put("lfstr", new StringVerifier("lfstr"));
 228         expectedMap.put("lfstr1", new StringVerifier(""));
 229         expectedMap.put("lfbool1", new BooleanVerifier(true));
 230         expectedMap.put("lfbool2", new BooleanVerifier(false));
 231         expectedMap.put("lfbool3", new BooleanVerifier(false));
 232         expectedMap.put("lfdecimal1", new NumberVerifier(new Double(43.32)));
 233         expectedMap.put("lfdecimal2", new NumberVerifier(new Double(-0.43)));
 234         expectedMap.put("lfdecimal3", new NumberVerifier(new Double(43)));
 235         expectedMap.put("lfdecimal4", new NumberVerifier(new Double(43E3)));
 236         expectedMap.put("lfdecimal6", new NumberVerifier(new Double(33.12345)));
 237         expectedMap.put("lfenum", new StringVerifier("enum3"));
 238         expectedMap.put("lfbits", new StringVerifier("bit3 bit2"));
 239         expectedMap.put("lfbinary", new StringVerifier("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
 240         expectedMap.put("lfunion1", new StringVerifier("324"));
 241         expectedMap.put("lfunion2", new StringVerifier("33.3"));
 242         expectedMap.put("lfunion3", new StringVerifier("55"));
 243         expectedMap.put("lfunion4", new StringVerifier("true"));
 244         expectedMap.put("lfunion5", new StringVerifier("true"));
 245         expectedMap.put("lfunion6", new StringVerifier("10"));
 246         expectedMap.put("lfunion7", new StringVerifier(""));
 247         expectedMap.put("lfunion8", new StringVerifier(""));
 248         expectedMap.put("lfunion9", new StringVerifier(""));
 249         expectedMap.put("lfunion10", new StringVerifier("bt1"));
 250         expectedMap.put("lfunion11", new StringVerifier("33"));
 251         expectedMap.put("lfunion12", new StringVerifier("false"));
 252         expectedMap.put("lfunion13", new StringVerifier("b1"));
 253         expectedMap.put("lfunion14", new StringVerifier("zero"));
 254         expectedMap.put("lfempty", new EmptyVerifier());
 255         expectedMap.put("identityref1", new StringVerifier("simple-data-types:iden"));
 256         expectedMap.put("complex-any", new ComplexAnyXmlVerifier());
 257         expectedMap.put("simple-any", new StringVerifier("simple"));
 258         expectedMap.put("empty-any", new StringVerifier(""));
 259
 260         while (jsonReader.hasNext()) {
 261             final String keyName = jsonReader.nextName();
 262             final JsonToken peek = jsonReader.peek();
 263
 264             final LeafVerifier verifier = expectedMap.remove(keyName);
 265             assertNotNull("Found unexpected leaf: " + keyName, verifier);
 266
 267             final JsonToken expToken = verifier.expectedTokenType();
 268             if (expToken != null) {
 269                 assertEquals("Json token type for key " + keyName, expToken, peek);
 270             }
 271
 272             verifier.verify(jsonReader, keyName);
 273         }
 274
 275         if (!expectedMap.isEmpty()) {
 276             fail("Missing leaf nodes in Json output: " + expectedMap.keySet());
 277         }
 278
 279         jsonReader.endObject();
 280     }
 281
 282 }