data/yang-data-tree-ri/src/test/java/org/opendaylight/yangtools/yang/data/tree/impl/Bug3674Test.java

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.yangtools.yang.data.tree.impl;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import org.junit.Before;
  13 import org.junit.Test;
  14 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  15 import org.opendaylight.yangtools.yang.data.tree.api.DataTree;
  16 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
  17 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidateNode;
  18 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
  19 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
  20 import org.opendaylight.yangtools.yang.data.tree.api.DataValidationFailedException;
  21 import org.opendaylight.yangtools.yang.data.tree.api.ModificationType;
  22 import org.opendaylight.yangtools.yang.data.tree.impl.di.InMemoryDataTreeFactory;
  23
  24 /**
  25  * BUG-3674: issuing a delete on a non-existent entry must be preserved in
  26  *           DataTreeModification, but should appear as UNMODIFIED in the
  27  *           resulting DataTreeCandidate.
  28  */
  29 public class Bug3674Test extends AbstractTestModelTest {
  30     private DataTree tree;
  31
  32     @Before
  33     public void setUp() throws DataValidationFailedException {
  34         tree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL, SCHEMA_CONTEXT);
  35
  36         // Create the top-level container
  37         final DataTreeModification mod = tree.takeSnapshot().newModification();
  38         mod.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
  39         mod.ready();
  40         tree.commit(tree.prepare(mod));
  41     }
  42
  43     @Test
  44     public void testDeleteOfNonExistingNode() throws DataValidationFailedException {
  45         final DataTreeModification mod = tree.takeSnapshot().newModification();
  46         mod.delete(TestModel.OUTER_LIST_PATH);
  47         mod.ready();
  48
  49         final DataTreeCandidate candidate = tree.prepare(mod);
  50         final DataTreeCandidateNode root = candidate.getRootNode();
  51         assertEquals(ModificationType.UNMODIFIED, root.modificationType());
  52     }
  53 }