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.jupiter.api.Assertions.assertEquals;
  11
  12 import org.junit.jupiter.api.Test;
  13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  14 import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;
  15 import org.opendaylight.yangtools.yang.data.tree.api.DataTree;
  16 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
  17 import org.opendaylight.yangtools.yang.data.tree.api.DataValidationFailedException;
  18 import org.opendaylight.yangtools.yang.data.tree.api.ModificationType;
  19 import org.opendaylight.yangtools.yang.data.tree.impl.di.InMemoryDataTreeFactory;
  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 class Bug3674Test extends AbstractTestModelTest {
  27     private DataTree tree;
  28
  29     @Test
  30     void testDeleteOfNonExistingNode() throws DataValidationFailedException {
  31         tree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL, SCHEMA_CONTEXT);
  32
  33         // Create the top-level container
  34         final var mod = tree.takeSnapshot().newModification();
  35         mod.write(TestModel.TEST_PATH,
  36             ImmutableNodes.newContainerBuilder().withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME)).build());
  37         mod.ready();
  38         tree.commit(tree.prepare(mod));
  39
  40         final var mod2 = tree.takeSnapshot().newModification();
  41         mod2.delete(TestModel.OUTER_LIST_PATH);
  42         mod2.ready();
  43
  44         final var candidate = tree.prepare(mod2);
  45         final var root = candidate.getRootNode();
  46         assertEquals(ModificationType.UNMODIFIED, root.modificationType());
  47     }
  48 }