yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/parser/stmt/rfc7950/LeafrefStatementTest.java

   1 /*
   2  * Copyright (c) 2017 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
   9 package org.opendaylight.yangtools.yang.parser.stmt.rfc7950;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.junit.Assert.fail;
  15
  16 import java.util.Date;
  17 import java.util.Set;
  18 import org.junit.Test;
  19 import org.opendaylight.yangtools.yang.common.QName;
  20 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
  21 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  22 import org.opendaylight.yangtools.yang.model.api.Module;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  25 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
  27 import org.opendaylight.yangtools.yang.stmt.StmtTestUtils;
  28
  29 public class LeafrefStatementTest {
  30
  31     @Test
  32     public void testRequireInstanceInLeafrefs() throws Exception {
  33         final SchemaContext schemaContext = StmtTestUtils.parseYangSource("/rfc7950/leafref-stmt/foo.yang");
  34         assertNotNull(schemaContext);
  35
  36         final Date revision = SimpleDateFormatUtil.getRevisionFormat().parse("2016-12-20");
  37
  38         final Module foo = schemaContext.findModuleByName("foo", revision);
  39         assertNotNull(foo);
  40
  41         final Set<TypeDefinition<?>> typeDefinitions = foo.getTypeDefinitions();
  42         assertEquals(1, typeDefinitions.size());
  43
  44         final TypeDefinition<?> typeDefinition = typeDefinitions.iterator().next();
  45         final LeafrefTypeDefinition leafrefTypeDefinition = (LeafrefTypeDefinition) typeDefinition;
  46         assertTrue(leafrefTypeDefinition.requireInstance());
  47
  48         final LeafSchemaNode leafrefA = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
  49                 "leafref-a"));
  50         assertNotNull(leafrefA);
  51         assertRequireInstanceInLeafref(leafrefA, true);
  52
  53         final LeafSchemaNode leafrefB = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
  54                 "leafref-b"));
  55         assertNotNull(leafrefB);
  56         assertRequireInstanceInLeafref(leafrefB, true);
  57
  58         final LeafSchemaNode leafrefC = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
  59                 "leafref-c"));
  60         assertNotNull(leafrefC);
  61         assertRequireInstanceInLeafref(leafrefC, false);
  62     }
  63
  64     private static void assertRequireInstanceInLeafref(final LeafSchemaNode leaf, final boolean requireInstance) {
  65         final LeafrefTypeDefinition leafrefTypeDefnition = (LeafrefTypeDefinition) leaf.getType();
  66         assertEquals(requireInstance, leafrefTypeDefnition.requireInstance());
  67     }
  68
  69     @Test
  70     public void testInvalidYang10() throws Exception {
  71         try {
  72             StmtTestUtils.parseYangSource("/rfc7950/leafref-stmt/foo10.yang");
  73             fail("Test should fail due to invalid Yang 1.0");
  74         } catch (final ReactorException e) {
  75             assertTrue(e.getCause().getMessage().startsWith("REQUIRE_INSTANCE is not valid for TYPE"));
  76         }
  77     }
  78 }