Do not instantiate JsonParser
[yangtools.git] / codec / 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.JsonParser;
13 import java.io.File;
14 import java.io.FileReader;
15 import java.io.IOException;
16 import java.io.StringWriter;
17 import java.io.Writer;
18 import java.nio.charset.StandardCharsets;
19 import org.junit.Test;
20 import org.opendaylight.yangtools.yang.common.QName;
21 import org.opendaylight.yangtools.yang.common.XMLNamespace;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
24 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
25 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
26 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
27 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
28 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
29 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
30 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
31 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
32
33 public class Bug7246Test {
34     private static final String NS = "my-namespace";
35
36     @Test
37     public void test() throws Exception {
38         final EffectiveModelContext schemaContext =
39                 YangParserTestUtils.parseYangResource("/bug7246/yang/rpc-test.yang");
40         final ContainerNode inputStructure = ImmutableContainerNodeBuilder.create()
41                 .withNodeIdentifier(new NodeIdentifier(qN("my-name")))
42                 .withChild(ImmutableNodes.leafNode(new NodeIdentifier(qN("my-name")), "my-value")).build();
43         final SchemaPath rootPath = SchemaPath.create(true, qN("my-name"), qN("input"));
44         final Writer writer = new StringWriter();
45         final String jsonOutput = normalizedNodeToJsonStreamTransformation(schemaContext, rootPath, writer,
46                 inputStructure);
47
48         assertEquals(JsonParser.parseReader(new FileReader(
49             new File(getClass().getResource("/bug7246/json/expected-output.json").toURI()), StandardCharsets.UTF_8)),
50             JsonParser.parseString(jsonOutput));
51     }
52
53     private static QName qN(final String localName) {
54         return QName.create(NS, localName);
55     }
56
57     private static String normalizedNodeToJsonStreamTransformation(final EffectiveModelContext schemaContext,
58             final SchemaPath path, final Writer writer, final NormalizedNode inputStructure)
59             throws IOException {
60
61         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
62                 JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(schemaContext), path,
63                 XMLNamespace.of(NS), JsonWriterFactory.createJsonWriter(writer, 2));
64         try (NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream)) {
65             nodeWriter.write(inputStructure);
66         }
67         return writer.toString();
68     }
69 }