2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.yangtools.yang.data.tree.impl;
10 import static org.junit.Assert.assertEquals;
12 import java.util.Optional;
13 import org.junit.Before;
14 import org.junit.Test;
15 import org.opendaylight.yangtools.yang.common.QName;
16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
19 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
21 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
22 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
23 import org.opendaylight.yangtools.yang.data.tree.api.DataTree;
24 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
25 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
26 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeSnapshot;
27 import org.opendaylight.yangtools.yang.data.tree.api.DataValidationFailedException;
28 import org.opendaylight.yangtools.yang.data.tree.impl.di.InMemoryDataTreeFactory;
30 public final class StructuralApplyModificationTest extends AbstractTestModelTest {
31 private DataTree inMemoryDataTree;
35 inMemoryDataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_CONFIGURATION);
36 inMemoryDataTree.setEffectiveModelContext(SCHEMA_CONTEXT);
40 public void testMapNodeParentAutoCreateDelete() throws DataValidationFailedException {
41 final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
44 final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.TEST_QNAME);
45 addListEntryModification.write(YangInstanceIdentifier.of(rootContainerId),
46 Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
48 final NodeIdentifierWithPredicates outerListEntryId = NodeIdentifierWithPredicates.of(
49 TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1);
51 // Write list entry (MapEntryNode) without creating list parent (MapNode)
52 final MapEntryNode outerListEntry = Builders.mapEntryBuilder().withNodeIdentifier(outerListEntryId).build();
53 final YangInstanceIdentifier outerListParentPath = YangInstanceIdentifier.of(getNId(TestModel.TEST_QNAME),
54 getNId(TestModel.OUTER_LIST_QNAME));
55 final YangInstanceIdentifier outerListEntryPath = outerListParentPath.node(outerListEntryId);
56 addListEntryModification.write(outerListEntryPath, outerListEntry);
58 addListEntryModification.ready();
59 inMemoryDataTree.validate(addListEntryModification);
60 inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
62 // Check list parent auto created
63 assertNodeExistence(outerListParentPath, true);
66 final DataTreeModification deleteListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
67 deleteListEntryModification.delete(outerListEntryPath);
68 deleteListEntryModification.ready();
69 inMemoryDataTree.validate(deleteListEntryModification);
70 inMemoryDataTree.commit(inMemoryDataTree.prepare(deleteListEntryModification));
72 // Check list parent auto deleted
73 assertNodeExistence(outerListParentPath, false);
77 public void testMapNodeDirectEmptyWrite() {
78 final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
80 // Prepare root container
81 final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.TEST_QNAME);
82 addListEntryModification.write(YangInstanceIdentifier.of(rootContainerId),
83 Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
85 final YangInstanceIdentifier outerListParentPath = YangInstanceIdentifier.of(getNId(TestModel.TEST_QNAME),
86 getNId(TestModel.OUTER_LIST_QNAME));
87 addListEntryModification.merge(outerListParentPath, ImmutableNodes.mapNode(TestModel.OUTER_LIST_QNAME));
89 // Check empty map node auto deleted
90 assertNodeExistence(outerListParentPath, false);
94 public void testNonPresenceContainerDirectEmptyWrite() throws DataValidationFailedException {
95 final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
97 final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.NON_PRESENCE_QNAME);
98 final YangInstanceIdentifier path = YangInstanceIdentifier.of(rootContainerId);
99 addListEntryModification.write(path, Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
101 addListEntryModification.ready();
102 inMemoryDataTree.validate(addListEntryModification);
103 inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
105 // Check empty container auto deleted
106 assertNodeExistence(path, false);
110 public void testNestedStrucutralNodes() throws DataValidationFailedException {
111 final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
113 final YangInstanceIdentifier path = TestModel.DEEP_CHOICE_PATH.node(TestModel.A_LIST_QNAME)
114 .node(getNId(TestModel.A_LIST_QNAME, TestModel.A_NAME_QNAME, "1"));
116 addListEntryModification.write(path,
117 Builders.mapEntryBuilder()
118 .withNodeIdentifier(getNId(TestModel.A_LIST_QNAME, TestModel.A_NAME_QNAME, "1"))
121 addListEntryModification.ready();
122 inMemoryDataTree.validate(addListEntryModification);
123 inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
125 // Check parent structure auto created
126 assertNodeExistence(path, true);
127 assertNodeExistence(TestModel.NON_PRESENCE_PATH, true);
128 assertNodeExistence(TestModel.DEEP_CHOICE_PATH, true);
131 private void assertNodeExistence(final YangInstanceIdentifier outerListParentPath, final boolean shouldBePresent) {
132 final DataTreeSnapshot snapshotAfterCommits = inMemoryDataTree.takeSnapshot();
133 final Optional<NormalizedNode> readNode = snapshotAfterCommits.readNode(outerListParentPath);
134 assertEquals(readNode.isPresent(), shouldBePresent);
137 private static NodeIdentifier getNId(final QName qname) {
138 return YangInstanceIdentifier.NodeIdentifier.create(qname);
141 private static NodeIdentifierWithPredicates getNId(final QName qname, final QName key, final String val) {
142 return NodeIdentifierWithPredicates.of(qname, key, val);