2 * Copyright (c) 2015 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
9 package org.opendaylight.controller.cluster.datastore;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import com.google.common.base.Optional;
14 import java.math.BigInteger;
15 import java.util.ArrayList;
16 import java.util.List;
17 import java.util.concurrent.ExecutionException;
18 import org.junit.Before;
19 import org.junit.Test;
20 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
21 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
22 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
27 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
28 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
30 public class ShardDataTreeTest {
32 SchemaContext fullSchema;
36 fullSchema = SchemaContextHelper.full();
40 public void testWrite() throws ExecutionException, InterruptedException {
41 modify(new ShardDataTree(fullSchema), false, true, true);
45 public void testMerge() throws ExecutionException, InterruptedException {
46 modify(new ShardDataTree(fullSchema), true, true, true);
50 private void modify(ShardDataTree shardDataTree, boolean merge, boolean expectedCarsPresent, boolean expectedPeoplePresent) throws ExecutionException, InterruptedException {
52 assertEquals(fullSchema, shardDataTree.getSchemaContext());
54 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
56 DataTreeModification snapshot = transaction.getSnapshot();
58 assertNotNull(snapshot);
61 snapshot.merge(CarsModel.BASE_PATH, CarsModel.create());
62 snapshot.merge(PeopleModel.BASE_PATH, PeopleModel.create());
64 snapshot.write(CarsModel.BASE_PATH, CarsModel.create());
65 snapshot.write(PeopleModel.BASE_PATH, PeopleModel.create());
68 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
70 cohort.preCommit().get();
71 cohort.commit().get();
74 ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction = shardDataTree.newReadOnlyTransaction("txn-2", null);
76 DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
78 Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
80 assertEquals(expectedCarsPresent, optional.isPresent());
82 Optional<NormalizedNode<?, ?>> optional1 = snapshot1.readNode(PeopleModel.BASE_PATH);
84 assertEquals(expectedPeoplePresent, optional1.isPresent());
89 public void bug4359AddRemoveCarOnce() throws ExecutionException, InterruptedException {
90 ShardDataTree shardDataTree = new ShardDataTree(fullSchema);
92 List<DataTreeCandidateTip> candidates = new ArrayList<>();
93 candidates.add(addCar(shardDataTree));
94 candidates.add(removeCar(shardDataTree));
96 NormalizedNode<?, ?> expected = getCars(shardDataTree);
98 applyCandidates(shardDataTree, candidates);
100 NormalizedNode<?, ?> actual = getCars(shardDataTree);
102 assertEquals(expected, actual);
106 public void bug4359AddRemoveCarTwice() throws ExecutionException, InterruptedException {
107 ShardDataTree shardDataTree = new ShardDataTree(fullSchema);
109 List<DataTreeCandidateTip> candidates = new ArrayList<>();
110 candidates.add(addCar(shardDataTree));
111 candidates.add(removeCar(shardDataTree));
112 candidates.add(addCar(shardDataTree));
113 candidates.add(removeCar(shardDataTree));
115 NormalizedNode<?, ?> expected = getCars(shardDataTree);
117 applyCandidates(shardDataTree, candidates);
119 NormalizedNode<?, ?> actual = getCars(shardDataTree);
121 assertEquals(expected, actual);
124 private static NormalizedNode<?, ?> getCars(ShardDataTree shardDataTree) {
125 ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction = shardDataTree.newReadOnlyTransaction("txn-2", null);
126 DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
128 Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
130 assertEquals(true, optional.isPresent());
132 System.out.println(optional.get());
134 return optional.get();
137 private static DataTreeCandidateTip addCar(ShardDataTree shardDataTree) throws ExecutionException, InterruptedException {
138 return doTransaction(shardDataTree, new DataTreeOperation() {
140 public void execute(DataTreeModification snapshot) {
141 snapshot.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
142 snapshot.merge(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
143 snapshot.write(CarsModel.newCarPath("altima"), CarsModel.newCarEntry("altima", new BigInteger("100")));
148 private static DataTreeCandidateTip removeCar(ShardDataTree shardDataTree) throws ExecutionException, InterruptedException {
149 return doTransaction(shardDataTree, new DataTreeOperation() {
151 public void execute(DataTreeModification snapshot) {
152 snapshot.delete(CarsModel.newCarPath("altima"));
157 private abstract static class DataTreeOperation {
158 public abstract void execute(DataTreeModification snapshot);
161 private static DataTreeCandidateTip doTransaction(ShardDataTree shardDataTree, DataTreeOperation operation)
162 throws ExecutionException, InterruptedException {
163 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
164 DataTreeModification snapshot = transaction.getSnapshot();
165 operation.execute(snapshot);
166 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
168 cohort.canCommit().get();
169 cohort.preCommit().get();
170 DataTreeCandidateTip candidate = cohort.getCandidate();
171 cohort.commit().get();
176 private static DataTreeCandidateTip applyCandidates(ShardDataTree shardDataTree, List<DataTreeCandidateTip> candidates)
177 throws ExecutionException, InterruptedException {
178 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
179 DataTreeModification snapshot = transaction.getSnapshot();
180 for(DataTreeCandidateTip candidateTip : candidates){
181 DataTreeCandidates.applyToModification(snapshot, candidateTip);
183 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
185 cohort.canCommit().get();
186 cohort.preCommit().get();
187 DataTreeCandidateTip candidate = cohort.getCandidate();
188 cohort.commit().get();