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

   1 /*
   2  * Copyright (c) 2014 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.impl.schema.tree;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import org.junit.Before;
  12 import org.junit.Test;
  13 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  14 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  15 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
  16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  19 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  20
  21 /**
  22  * BUG-3674: issuing a delete on a non-existent entry must be preserved in
  23  *           DataTreeModification, but should appear as UNMODIFIED in the
  24  *           resulting DataTreeCandidate.
  25  */
  26 public class Bug3674Test {
  27     private DataTree tree;
  28
  29     @Before
  30     public void setUp() {
  31         tree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
  32         tree.setSchemaContext(TestModel.createTestContext());
  33
  34         // Create the top-level container
  35         final DataTreeModification mod = tree.takeSnapshot().newModification();
  36         mod.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
  37         mod.ready();
  38         tree.commit(tree.prepare(mod));
  39     }
  40
  41     @Test
  42     public void testDeleteOfNonExistingNode() {
  43         final DataTreeModification mod = tree.takeSnapshot().newModification();
  44         mod.delete(TestModel.OUTER_LIST_PATH);
  45         mod.ready();
  46
  47         final DataTreeCandidate candidate = tree.prepare(mod);
  48         final DataTreeCandidateNode root = candidate.getRootNode();
  49         assertEquals(ModificationType.UNMODIFIED, root.getModificationType());
  50     }
  51 }