yang/yang-data-codec-gson/src/test/java/org/opendaylight/yangtools/yang/data/codec/gson/YangModeledAnyXmlSupportTest.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 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertTrue;
  13 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.loadTextFile;
  14
  15 import com.google.gson.JsonElement;
  16 import com.google.gson.JsonParser;
  17 import com.google.gson.stream.JsonReader;
  18 import java.io.File;
  19 import java.io.FileReader;
  20 import java.io.IOException;
  21 import java.io.InputStream;
  22 import java.io.StringReader;
  23 import java.io.StringWriter;
  24 import java.io.Writer;
  25 import java.net.URISyntaxException;
  26 import javax.xml.parsers.ParserConfigurationException;
  27 import javax.xml.stream.XMLInputFactory;
  28 import javax.xml.stream.XMLStreamException;
  29 import javax.xml.stream.XMLStreamReader;
  30 import org.junit.BeforeClass;
  31 import org.junit.Test;
  32 import org.opendaylight.yangtools.yang.common.QName;
  33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  34 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  35 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  36 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  37 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  38 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
  39 import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
  40 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
  41 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
  42 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  43 import org.opendaylight.yangtools.yang.model.api.Module;
  44 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  45 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  46 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
  47 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  48 import org.xml.sax.SAXException;
  49
  50 public class YangModeledAnyXmlSupportTest {
  51
  52     private static SchemaContext schemaContext;
  53     private static ContainerNode data;
  54
  55     @BeforeClass
  56     public static void init() throws IOException, URISyntaxException, ReactorException, SAXException,
  57             XMLStreamException, ParserConfigurationException {
  58         schemaContext = YangParserTestUtils.parseYangSources("/yang-modeled-anyxml/yang");
  59         final Module bazModule = schemaContext.findModuleByName("baz", null);
  60         final ContainerSchemaNode bazCont = (ContainerSchemaNode) bazModule.getDataChildByName(
  61                 QName.create(bazModule.getQNameModule(), "baz"));
  62         assertNotNull(bazCont);
  63
  64         final InputStream resourceAsStream = YangModeledAnyXmlSupportTest.class.getResourceAsStream(
  65                 "/yang-modeled-anyxml/xml/baz.xml");
  66
  67         final XMLInputFactory factory = XMLInputFactory.newInstance();
  68         final XMLStreamReader reader = factory.createXMLStreamReader(resourceAsStream);
  69
  70         final NormalizedNodeResult result = new NormalizedNodeResult();
  71
  72         final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  73
  74         final XmlParserStream xmlParser = XmlParserStream.create(streamWriter, schemaContext, bazCont);
  75         xmlParser.parse(reader);
  76
  77         assertNotNull(result.getResult());
  78         assertTrue(result.getResult() instanceof ContainerNode);
  79         data = (ContainerNode) result.getResult();
  80     }
  81
  82     @Test
  83     public void jsonToNormalizedNodesTest() throws IOException, URISyntaxException, SAXException {
  84         final String inputJson = loadTextFile("/yang-modeled-anyxml/json/baz.json");
  85         final NormalizedNodeResult result = new NormalizedNodeResult();
  86         final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  87         final JsonParserStream jsonParser = JsonParserStream.create(streamWriter, schemaContext);
  88         jsonParser.parse(new JsonReader(new StringReader(inputJson)));
  89         final NormalizedNode<?, ?> transformedInput = result.getResult();
  90
  91         assertEquals(data, transformedInput);
  92     }
  93
  94     @Test
  95     public void normalizedNodesToJsonTest() throws IOException, URISyntaxException, SAXException {
  96         final DataContainerChild<? extends PathArgument, ?> baz = data;
  97
  98         final Writer writer = new StringWriter();
  99         final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, baz);
 100
 101         final JsonParser parser = new JsonParser();
 102         final JsonElement serializedJson = parser.parse(jsonOutput);
 103         final JsonElement expextedJson = parser.parse(new FileReader(new File(getClass().getResource(
 104                 "/yang-modeled-anyxml/json/baz.json").toURI())));
 105
 106         assertEquals(expextedJson, serializedJson);
 107     }
 108
 109     private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
 110             final NormalizedNode<?, ?> inputStructure) throws IOException {
 111
 112         final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
 113                 JSONCodecFactory.getShared(schemaContext), SchemaPath.ROOT, null,
 114                 JsonWriterFactory.createJsonWriter(writer, 2));
 115         final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
 116         nodeWriter.write(inputStructure);
 117
 118         nodeWriter.close();
 119         return writer.toString();
 120     }
 121 }