Bug 5446: Yangtools UnionStringCodec is not consistent with BinaryStringCodec
[yangtools.git] / 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.common.SimpleDateFormatUtil;
29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
31 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
32 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
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.codec.gson.retest.RetestUtils;
38 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
39 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
40 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
41 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
42
43 public class Bug5446Test {
44
45     private static QNameModule fooModuleQName;
46     private static QName rootQName;
47     private static QName ipAddressQName;
48     private static SchemaContext schemaContext;
49
50     @BeforeClass
51     public static void init() throws Exception {
52         fooModuleQName = QNameModule.create(new URI("foo"), SimpleDateFormatUtil.getRevisionFormat()
53                 .parse("2015-11-05"));
54         rootQName = QName.create(fooModuleQName, "root");
55         ipAddressQName = QName.create(fooModuleQName, "ip-address");
56
57         schemaContext = RetestUtils.parseYangSources(new File(Bug5446Test.class.getResource("/bug5446/yang/foo.yang")
58                 .toURI()));
59     }
60
61     @Test
62     public void test() throws IOException, JsonIOException, JsonSyntaxException, URISyntaxException {
63         final DataContainerChild<? extends PathArgument, ?> rootNode = createRootNode();
64
65         final Writer writer = new StringWriter();
66         final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, rootNode);
67
68         final JsonParser parser = new JsonParser();
69         final JsonElement serializedJson = parser.parse(jsonOutput);
70         final JsonElement expextedJson = parser.parse(new FileReader(new File(getClass().getResource(
71                 "/bug5446/json/foo.json").toURI())));
72
73         assertEquals(expextedJson, serializedJson);
74     }
75
76     private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
77             final NormalizedNode<?, ?> inputStructure) throws IOException {
78
79         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
80                 JSONCodecFactory.create(schemaContext), SchemaPath.ROOT, null,
81                 JsonWriterFactory.createJsonWriter(writer, 2));
82         final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
83         nodeWriter.write(inputStructure);
84
85         nodeWriter.close();
86         return writer.toString();
87     }
88
89     private ContainerNode createRootNode() {
90         LeafNode<byte[]> ipAddress = ImmutableNodes.leafNode(ipAddressQName, BaseEncoding.base64().decode("fwAAAQ=="));
91         return ImmutableContainerNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(rootQName))
92                 .withChild(ipAddress).build();
93     }
94 }