yang/yang-data-codec-gson/src/test/java/org/opendaylight/yangtools/yang/data/codec/gson/Bug5446Test.java

   1 /*
   2  * Copyright (c) 2016 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.yangtools.yang.data.codec.gson;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import com.google.common.io.BaseEncoding;
  13 import com.google.gson.JsonElement;
  14 import com.google.gson.JsonIOException;
  15 import com.google.gson.JsonParser;
  16 import com.google.gson.JsonSyntaxException;
  17 import java.io.File;
  18 import java.io.FileReader;
  19 import java.io.IOException;
  20 import java.io.StringWriter;
  21 import java.io.Writer;
  22 import java.net.URI;
  23 import java.net.URISyntaxException;
  24 import org.junit.BeforeClass;
  25 import org.junit.Test;
  26 import org.opendaylight.yangtools.yang.common.QName;
  27 import org.opendaylight.yangtools.yang.common.QNameModule;
  28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  30 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  32 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  35 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
  36 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  37 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  39 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  40 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  41
  42 public class Bug5446Test {
  43
  44     private static QNameModule fooModuleQName;
  45     private static QName rootQName;
  46     private static QName ipAddressQName;
  47     private static SchemaContext schemaContext;
  48
  49     @BeforeClass
  50     public static void init() {
  51         fooModuleQName = QNameModule.create(URI.create("foo"), QName.parseRevision("2015-11-05"));
  52         rootQName = QName.create(fooModuleQName, "root");
  53         ipAddressQName = QName.create(fooModuleQName, "ip-address");
  54
  55         schemaContext = YangParserTestUtils.parseYangResources(Bug5446Test.class, "/bug5446/yang/foo.yang");
  56     }
  57
  58     @Test
  59     public void test() throws IOException, JsonIOException, JsonSyntaxException, URISyntaxException {
  60         final DataContainerChild<? extends PathArgument, ?> rootNode = createRootNode();
  61
  62         final Writer writer = new StringWriter();
  63         final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, rootNode);
  64
  65         final JsonParser parser = new JsonParser();
  66         final JsonElement serializedJson = parser.parse(jsonOutput);
  67         final JsonElement expextedJson = parser.parse(new FileReader(new File(getClass().getResource(
  68                 "/bug5446/json/foo.json").toURI())));
  69
  70         assertEquals(expextedJson, serializedJson);
  71     }
  72
  73     private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
  74             final NormalizedNode<?, ?> inputStructure) throws IOException {
  75
  76         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
  77                 JSONCodecFactory.getShared(schemaContext), SchemaPath.ROOT, null,
  78                 JsonWriterFactory.createJsonWriter(writer, 2));
  79         final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
  80         nodeWriter.write(inputStructure);
  81
  82         nodeWriter.close();
  83         return writer.toString();
  84     }
  85
  86     private static ContainerNode createRootNode() {
  87         LeafNode<byte[]> ipAddress = ImmutableNodes.leafNode(ipAddressQName, BaseEncoding.base64().decode("fwAAAQ=="));
  88         return ImmutableContainerNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(rootQName))
  89                 .withChild(ipAddress).build();
  90     }
  91 }