codec/yang-data-codec-xml/src/test/java/org/opendaylight/yangtools/yang/data/codec/xml/StrictParsingModeTest.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.xml;
   9
  10 import static org.hamcrest.CoreMatchers.containsString;
  11 import static org.hamcrest.MatcherAssert.assertThat;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertThrows;
  14
  15 import java.io.InputStream;
  16 import javax.xml.stream.XMLStreamException;
  17 import javax.xml.stream.XMLStreamReader;
  18 import org.junit.AfterClass;
  19 import org.junit.BeforeClass;
  20 import org.junit.Test;
  21 import org.opendaylight.yangtools.util.xml.UntrustedXML;
  22 import org.opendaylight.yangtools.yang.common.QName;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  25 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
  26 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
  27 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  28 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack.Inference;
  29 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  30
  31 public class StrictParsingModeTest {
  32     private static EffectiveModelContext schemaContext;
  33
  34     @BeforeClass
  35     public static void beforeClass() {
  36         schemaContext = YangParserTestUtils.parseYangResource("/strict-parsing-mode-test/foo.yang");
  37     }
  38
  39     @AfterClass
  40     public static void afterClass() {
  41         schemaContext = null;
  42     }
  43
  44     @Test
  45     // unknown child nodes in the top-level-container node will be skipped when the strictParsing is set to false
  46     public void testLenientParsing() throws Exception {
  47         final InputStream resourceAsStream = StrictParsingModeTest.class.getResourceAsStream(
  48                 "/strict-parsing-mode-test/foo.xml");
  49
  50         final XMLStreamReader reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
  51
  52         final NormalizedNodeResult result = new NormalizedNodeResult();
  53         final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  54
  55         final XmlParserStream xmlParser = XmlParserStream.create(streamWriter,
  56             Inference.ofDataTreePath(schemaContext, QName.create("foo", "top-level-container")), false);
  57         xmlParser.parse(reader);
  58
  59         final NormalizedNode transformedInput = result.getResult();
  60         assertNotNull(transformedInput);
  61     }
  62
  63     @Test
  64     // should fail because strictParsing is switched on and the top-level-container node contains child nodes
  65     // which are not defined in the provided YANG model
  66     public void testStrictParsing() throws Exception {
  67         final InputStream resourceAsStream = StrictParsingModeTest.class.getResourceAsStream(
  68                 "/strict-parsing-mode-test/foo.xml");
  69
  70         final XMLStreamReader reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
  71
  72         final NormalizedNodeResult result = new NormalizedNodeResult();
  73         final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  74
  75         final XmlParserStream xmlParser = XmlParserStream.create(streamWriter,
  76             Inference.ofDataTreePath(schemaContext, QName.create("foo", "top-level-container")), true);
  77
  78         final XMLStreamException ex = assertThrows(XMLStreamException.class, () -> xmlParser.parse(reader));
  79         assertThat(ex.getMessage(), containsString("Schema for node with name unknown-container-a and namespace foo "
  80             + "does not exist in parent container top-level-container"));
  81     }
  82 }