yang/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/YT1060Test.java

   1 /*
   2  * Copyright (c) 2019 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.MatcherAssert.assertThat;
  11 import static org.hamcrest.Matchers.isA;
  12 import static org.junit.Assert.assertEquals;
  13 import static org.junit.Assert.assertSame;
  14 import static org.junit.Assert.assertTrue;
  15
  16 import com.google.common.collect.ImmutableList;
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.opendaylight.yangtools.yang.common.QName;
  20 import org.opendaylight.yangtools.yang.common.XMLNamespace;
  21 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  22 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  23 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  24 import org.opendaylight.yangtools.yang.model.api.Module;
  25 import org.opendaylight.yangtools.yang.model.api.PathExpression;
  26 import org.opendaylight.yangtools.yang.model.api.PathExpression.LocationPathSteps;
  27 import org.opendaylight.yangtools.yang.model.api.PathExpression.Steps;
  28 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  29 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  30 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  31 import org.opendaylight.yangtools.yang.xpath.api.YangLocationPath;
  32 import org.opendaylight.yangtools.yang.xpath.api.YangLocationPath.ResolvedQNameStep;
  33 import org.opendaylight.yangtools.yang.xpath.api.YangLocationPath.Step;
  34
  35 public class YT1060Test {
  36     private static final QName CONT = QName.create("parent", "cont");
  37     private static final QName LEAF1 = QName.create(CONT, "leaf1");
  38
  39     private EffectiveModelContext context;
  40     private PathExpression path;
  41
  42     @Before
  43     public void before() {
  44         context = YangParserTestUtils.parseYangResourceDirectory("/yt1060");
  45
  46         final Module module = context.findModule(CONT.getModule()).get();
  47         final ContainerSchemaNode cont = (ContainerSchemaNode) module.findDataChildByName(CONT).get();
  48         final LeafSchemaNode leaf1 = (LeafSchemaNode) cont.findDataChildByName(LEAF1).get();
  49         path = ((LeafrefTypeDefinition) leaf1.getType()).getPathStatement();
  50
  51         // Quick checks before we get to the point
  52         final Steps pathSteps = path.getSteps();
  53         assertThat(pathSteps, isA(LocationPathSteps.class));
  54         final YangLocationPath locationPath = ((LocationPathSteps) pathSteps).getLocationPath();
  55         assertTrue(locationPath.isAbsolute());
  56         final ImmutableList<Step> steps = locationPath.getSteps();
  57         assertEquals(2, steps.size());
  58         steps.forEach(step -> assertThat(step, isA(ResolvedQNameStep.class)));
  59     }
  60
  61     @Test
  62     public void testFindDataSchemaNodeAbsolutePathImportedModule() {
  63         final EffectiveStatement<?, ?> foundStmt = SchemaInferenceStack.ofDataTreePath(context, CONT, LEAF1)
  64             .resolvePathExpression(path);
  65         assertThat(foundStmt, isA(LeafSchemaNode.class));
  66         assertEquals(QName.create(XMLNamespace.of("imported"), "leaf1"), ((LeafSchemaNode) foundStmt).getQName());
  67
  68         // since this is absolute path with prefixes stack should be able to resolve it from any state
  69         final EffectiveStatement<?, ?> foundStmtSecond = SchemaInferenceStack.of(context).resolvePathExpression(path);
  70         assertSame(foundStmt, foundStmtSecond);
  71     }
  72 }