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 javax.xml.stream.XMLStreamException;
  16 import org.junit.AfterClass;
  17 import org.junit.BeforeClass;
  18 import org.junit.Test;
  19 import org.opendaylight.yangtools.util.xml.UntrustedXML;
  20 import org.opendaylight.yangtools.yang.common.QName;
  21 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
  22 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizationResultHolder;
  23 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  24 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack.Inference;
  25 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  26
  27 public class StrictParsingModeTest {
  28     private static EffectiveModelContext schemaContext;
  29
  30     @BeforeClass
  31     public static void beforeClass() {
  32         schemaContext = YangParserTestUtils.parseYang("""
  33             module foo {
  34               namespace foo;
  35               prefix foo;
  36
  37               container top-level-container {
  38                 container inner-container {}
  39               }
  40             }""");
  41     }
  42
  43     @AfterClass
  44     public static void afterClass() {
  45         schemaContext = null;
  46     }
  47
  48     @Test
  49     // unknown child nodes in the top-level-container node will be skipped when the strictParsing is set to false
  50     public void testLenientParsing() throws Exception {
  51         final var resourceAsStream = StrictParsingModeTest.class.getResourceAsStream(
  52                 "/strict-parsing-mode-test/foo.xml");
  53
  54         final var reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
  55
  56         final var result = new NormalizationResultHolder();
  57         final var streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  58
  59         final var xmlParser = XmlParserStream.create(streamWriter,
  60             Inference.ofDataTreePath(schemaContext, QName.create("foo", "top-level-container")), false);
  61         xmlParser.parse(reader);
  62
  63         final var transformedInput = result.getResult().data();
  64         assertNotNull(transformedInput);
  65     }
  66
  67     @Test
  68     // should fail because strictParsing is switched on and the top-level-container node contains child nodes
  69     // which are not defined in the provided YANG model
  70     public void testStrictParsing() throws Exception {
  71         final var resourceAsStream = StrictParsingModeTest.class.getResourceAsStream(
  72                 "/strict-parsing-mode-test/foo.xml");
  73
  74         final var reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
  75
  76         final var result = new NormalizationResultHolder();
  77         final var streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
  78         final var xmlParser = XmlParserStream.create(streamWriter,
  79             Inference.ofDataTreePath(schemaContext, QName.create("foo", "top-level-container")), true);
  80
  81         final var ex = assertThrows(XMLStreamException.class, () -> xmlParser.parse(reader));
  82         assertThat(ex.getMessage(), containsString("Schema for node with name unknown-container-a and namespace foo "
  83             + "does not exist in parent EmptyContainerEffectiveStatement{argument=(foo)top-level-container}"));
  84     }
  85 }