model/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/YT1127Test.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, 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.model.util;
   9
  10 import static org.hamcrest.CoreMatchers.instanceOf;
  11 import static org.hamcrest.CoreMatchers.startsWith;
  12 import static org.hamcrest.MatcherAssert.assertThat;
  13 import static org.junit.Assert.assertEquals;
  14 import static org.junit.Assert.assertThrows;
  15
  16 import java.util.NoSuchElementException;
  17 import org.junit.AfterClass;
  18 import org.junit.BeforeClass;
  19 import org.junit.Test;
  20 import org.opendaylight.yangtools.yang.common.QName;
  21 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  22 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  23 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  24 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaTreeEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  27 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  28
  29 public class YT1127Test {
  30     private static EffectiveModelContext context;
  31
  32     @BeforeClass
  33     public static void beforeClass() {
  34         context = YangParserTestUtils.parseYangResource("/yt1127.yang");
  35     }
  36
  37     @AfterClass
  38     public static void afterClass() {
  39         context = null;
  40     }
  41
  42     @Test
  43     public void testGroupingLeafRef() {
  44         final SchemaInferenceStack stack = SchemaInferenceStack.of(context);
  45         stack.enterGrouping(QName.create("foo", "grp"));
  46         final SchemaTreeEffectiveStatement<?> leaf1 = stack.enterSchemaTree(QName.create("foo", "leaf1"));
  47         assertThat(leaf1, instanceOf(LeafSchemaNode.class));
  48         final TypeDefinition<?> type = ((LeafSchemaNode) leaf1).getType();
  49         assertThat(type, instanceOf(LeafrefTypeDefinition.class));
  50
  51         final IllegalArgumentException ex = assertThrows(IllegalArgumentException.class,
  52             () -> stack.resolveLeafref((LeafrefTypeDefinition) type));
  53         assertThat(ex.getMessage(), startsWith("Illegal parent access in YangLocationPath"));
  54         final Throwable cause = ex.getCause();
  55         assertThat(cause, instanceOf(IllegalStateException.class));
  56         assertEquals("Unexpected current EmptyGroupingEffectiveStatement{argument=(foo)grp}", cause.getMessage());
  57     }
  58
  59     @Test
  60     public void testContainerLeafRef() {
  61         final SchemaInferenceStack stack = SchemaInferenceStack.ofDataTreePath(context,
  62             QName.create("foo", "cont"), QName.create("foo", "leaf2"));
  63
  64         final EffectiveStatement<?, ?> leaf2 = stack.currentStatement();
  65         assertThat(leaf2, instanceOf(LeafSchemaNode.class));
  66         final TypeDefinition<?> type = ((LeafSchemaNode) leaf2).getType();
  67         assertThat(type, instanceOf(LeafrefTypeDefinition.class));
  68
  69         final IllegalArgumentException ex = assertThrows(IllegalArgumentException.class,
  70             () -> stack.resolveLeafref((LeafrefTypeDefinition) type));
  71         assertThat(ex.getMessage(), startsWith("Illegal parent access in YangLocationPath"));
  72         assertThat(ex.getCause(), instanceOf(NoSuchElementException.class));
  73     }
  74 }