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.impl.schema.ImmutableNodes;
  19
  20 /**
  21  * BUG-3674: issuing a delete on a non-existent entry must be preserved in
  22  *           DataTreeModification, but should appear as UNMODIFIED in the
  23  *           resulting DataTreeCandidate.
  24  */
  25 public class Bug3674Test {
  26     private DataTree tree;
  27
  28     @Before
  29     public void setUp() {
  30         tree = InMemoryDataTreeFactory.getInstance().create();
  31         tree.setSchemaContext(TestModel.createTestContext());
  32
  33         // Create the top-level container
  34         final DataTreeModification mod = tree.takeSnapshot().newModification();
  35         mod.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
  36         mod.ready();
  37         tree.commit(tree.prepare(mod));
  38     }
  39
  40     @Test
  41     public void testDeleteOfNonExistingNode() {
  42         final DataTreeModification mod = tree.takeSnapshot().newModification();
  43         mod.delete(TestModel.OUTER_LIST_PATH);
  44         mod.ready();
  45
  46         final DataTreeCandidate candidate = tree.prepare(mod);
  47         final DataTreeCandidateNode root = candidate.getRootNode();
  48         assertEquals(ModificationType.UNMODIFIED, root.getModificationType());
  49     }
  50 }