yang/yang-data-codec-gson/src/test/java/org/opendaylight/yangtools/yang/data/codec/gson/Bug7246Test.java

   1 /*
   2  * Copyright (c) 2017 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.gson.JsonElement;
  13 import com.google.gson.JsonParser;
  14 import java.io.File;
  15 import java.io.FileReader;
  16 import java.io.IOException;
  17 import java.io.StringWriter;
  18 import java.io.Writer;
  19 import java.net.URI;
  20 import java.net.URISyntaxException;
  21 import org.junit.Test;
  22 import org.opendaylight.yangtools.yang.common.QName;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  25 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  27 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  28 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
  29 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  30 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  31 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  32 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  33 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  34
  35 public class Bug7246Test {
  36     private static final String NS = "my-namespace";
  37     private static final String REV = "1970-01-01";
  38
  39     @Test
  40     public void test() throws Exception {
  41         final SchemaContext schemaContext = YangParserTestUtils.parseYangResource("/bug7246/yang/rpc-test.yang");
  42         final JsonParser parser = new JsonParser();
  43         final JsonElement expextedJson = parser
  44                 .parse(new FileReader(new File(getClass().getResource("/bug7246/json/expected-output.json").toURI())));
  45
  46         final DataContainerChild<? extends PathArgument, ?> inputStructure = ImmutableContainerNodeBuilder.create()
  47                 .withNodeIdentifier(new NodeIdentifier(qN("my-name")))
  48                 .withChild(ImmutableNodes.leafNode(new NodeIdentifier(qN("my-name")), "my-value")).build();
  49         final SchemaPath rootPath = SchemaPath.create(true, qN("my-name"), qN("input"));
  50         final Writer writer = new StringWriter();
  51         final String jsonOutput = normalizedNodeToJsonStreamTransformation(schemaContext, rootPath, writer,
  52                 inputStructure);
  53         final JsonElement serializedJson = parser.parse(jsonOutput);
  54
  55         assertEquals(expextedJson, serializedJson);
  56     }
  57
  58     private static QName qN(final String localName) {
  59         return QName.create(NS, REV, localName);
  60     }
  61
  62     private static String normalizedNodeToJsonStreamTransformation(final SchemaContext schemaContext,
  63             final SchemaPath path, final Writer writer, final NormalizedNode<?, ?> inputStructure)
  64             throws IOException, URISyntaxException {
  65
  66         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
  67                 JSONCodecFactory.getShared(schemaContext), path, new URI(NS),
  68                 JsonWriterFactory.createJsonWriter(writer, 2));
  69         final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
  70         nodeWriter.write(inputStructure);
  71
  72         nodeWriter.close();
  73         return writer.toString();
  74     }
  75 }