codec/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.gson.JsonElement;
  13 import com.google.gson.JsonIOException;
  14 import com.google.gson.JsonParser;
  15 import com.google.gson.JsonSyntaxException;
  16 import java.io.File;
  17 import java.io.FileReader;
  18 import java.io.IOException;
  19 import java.io.StringWriter;
  20 import java.io.Writer;
  21 import java.net.URISyntaxException;
  22 import java.nio.charset.StandardCharsets;
  23 import java.util.Base64;
  24 import org.junit.AfterClass;
  25 import org.junit.BeforeClass;
  26 import org.junit.Test;
  27 import org.opendaylight.yangtools.yang.common.QName;
  28 import org.opendaylight.yangtools.yang.common.QNameModule;
  29 import org.opendaylight.yangtools.yang.common.Revision;
  30 import org.opendaylight.yangtools.yang.common.XMLNamespace;
  31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  32 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  35 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  36 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
  37 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  38 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  39 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  40 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  41 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  42
  43 public class Bug5446Test {
  44
  45     private static final QNameModule FOO_MODULE = QNameModule.create(XMLNamespace.of("foo"), Revision.of("2015-11-05"));
  46     private static final QName ROOT_QNAME = QName.create(FOO_MODULE, "root");
  47     private static final QName IP_ADDRESS_QNAME = QName.create(FOO_MODULE, "ip-address");
  48     private static EffectiveModelContext schemaContext;
  49
  50     @BeforeClass
  51     public static void init() {
  52         schemaContext = YangParserTestUtils.parseYangResources(Bug5446Test.class, "/bug5446/yang/foo.yang");
  53     }
  54
  55     @AfterClass
  56     public static void cleanup() {
  57         schemaContext = null;
  58     }
  59
  60     @Test
  61     public void test() throws IOException, JsonIOException, JsonSyntaxException, URISyntaxException {
  62         final ContainerNode rootNode = createRootNode();
  63
  64         final Writer writer = new StringWriter();
  65         final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, rootNode);
  66
  67         final JsonElement serializedJson = JsonParser.parseString(jsonOutput);
  68         final JsonElement expextedJson = JsonParser.parseReader(new FileReader(new File(getClass().getResource(
  69                 "/bug5446/json/foo.json").toURI()), StandardCharsets.UTF_8));
  70
  71         assertEquals(expextedJson, serializedJson);
  72     }
  73
  74     private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
  75             final NormalizedNode inputStructure) throws IOException {
  76
  77         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
  78             JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(schemaContext), SchemaPath.ROOT, null,
  79             JsonWriterFactory.createJsonWriter(writer, 2));
  80         try (NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream)) {
  81             nodeWriter.write(inputStructure);
  82         }
  83
  84         return writer.toString();
  85     }
  86
  87     private static ContainerNode createRootNode() {
  88         LeafNode<byte[]> ipAddress = ImmutableNodes.leafNode(IP_ADDRESS_QNAME, Base64.getDecoder().decode("fwAAAQ=="));
  89         return ImmutableContainerNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(ROOT_QNAME))
  90                 .withChild(ipAddress).build();
  91     }
  92 }