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.data.api.schema.tree.TreeType;
29 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
31 public class ShardDataTreeTest {
33 SchemaContext fullSchema;
37 fullSchema = SchemaContextHelper.full();
41 public void testWrite() throws ExecutionException, InterruptedException {
42 modify(new ShardDataTree(fullSchema, TreeType.OPERATIONAL), false, true, true);
46 public void testMerge() throws ExecutionException, InterruptedException {
47 modify(new ShardDataTree(fullSchema, TreeType.OPERATIONAL), true, true, true);
51 private void modify(ShardDataTree shardDataTree, boolean merge, boolean expectedCarsPresent, boolean expectedPeoplePresent) throws ExecutionException, InterruptedException {
53 assertEquals(fullSchema, shardDataTree.getSchemaContext());
55 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
57 DataTreeModification snapshot = transaction.getSnapshot();
59 assertNotNull(snapshot);
62 snapshot.merge(CarsModel.BASE_PATH, CarsModel.create());
63 snapshot.merge(PeopleModel.BASE_PATH, PeopleModel.create());
65 snapshot.write(CarsModel.BASE_PATH, CarsModel.create());
66 snapshot.write(PeopleModel.BASE_PATH, PeopleModel.create());
69 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
71 cohort.preCommit().get();
72 cohort.commit().get();
75 ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction = shardDataTree.newReadOnlyTransaction("txn-2", null);
77 DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
79 Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
81 assertEquals(expectedCarsPresent, optional.isPresent());
83 Optional<NormalizedNode<?, ?>> optional1 = snapshot1.readNode(PeopleModel.BASE_PATH);
85 assertEquals(expectedPeoplePresent, optional1.isPresent());
90 public void bug4359AddRemoveCarOnce() throws ExecutionException, InterruptedException {
91 ShardDataTree shardDataTree = new ShardDataTree(fullSchema, TreeType.OPERATIONAL);
93 List<DataTreeCandidateTip> candidates = new ArrayList<>();
94 candidates.add(addCar(shardDataTree));
95 candidates.add(removeCar(shardDataTree));
97 NormalizedNode<?, ?> expected = getCars(shardDataTree);
99 applyCandidates(shardDataTree, candidates);
101 NormalizedNode<?, ?> actual = getCars(shardDataTree);
103 assertEquals(expected, actual);
107 public void bug4359AddRemoveCarTwice() throws ExecutionException, InterruptedException {
108 ShardDataTree shardDataTree = new ShardDataTree(fullSchema, TreeType.OPERATIONAL);
110 List<DataTreeCandidateTip> candidates = new ArrayList<>();
111 candidates.add(addCar(shardDataTree));
112 candidates.add(removeCar(shardDataTree));
113 candidates.add(addCar(shardDataTree));
114 candidates.add(removeCar(shardDataTree));
116 NormalizedNode<?, ?> expected = getCars(shardDataTree);
118 applyCandidates(shardDataTree, candidates);
120 NormalizedNode<?, ?> actual = getCars(shardDataTree);
122 assertEquals(expected, actual);
125 private static NormalizedNode<?, ?> getCars(ShardDataTree shardDataTree) {
126 ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction = shardDataTree.newReadOnlyTransaction("txn-2", null);
127 DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
129 Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
131 assertEquals(true, optional.isPresent());
133 System.out.println(optional.get());
135 return optional.get();
138 private static DataTreeCandidateTip addCar(ShardDataTree shardDataTree) throws ExecutionException, InterruptedException {
139 return doTransaction(shardDataTree, new DataTreeOperation() {
141 public void execute(DataTreeModification snapshot) {
142 snapshot.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
143 snapshot.merge(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
144 snapshot.write(CarsModel.newCarPath("altima"), CarsModel.newCarEntry("altima", new BigInteger("100")));
149 private static DataTreeCandidateTip removeCar(ShardDataTree shardDataTree) throws ExecutionException, InterruptedException {
150 return doTransaction(shardDataTree, new DataTreeOperation() {
152 public void execute(DataTreeModification snapshot) {
153 snapshot.delete(CarsModel.newCarPath("altima"));
158 private abstract static class DataTreeOperation {
159 public abstract void execute(DataTreeModification snapshot);
162 private static DataTreeCandidateTip doTransaction(ShardDataTree shardDataTree, DataTreeOperation operation)
163 throws ExecutionException, InterruptedException {
164 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
165 DataTreeModification snapshot = transaction.getSnapshot();
166 operation.execute(snapshot);
167 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
169 cohort.canCommit().get();
170 cohort.preCommit().get();
171 DataTreeCandidateTip candidate = cohort.getCandidate();
172 cohort.commit().get();
177 private static DataTreeCandidateTip applyCandidates(ShardDataTree shardDataTree, List<DataTreeCandidateTip> candidates)
178 throws ExecutionException, InterruptedException {
179 ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
180 DataTreeModification snapshot = transaction.getSnapshot();
181 for(DataTreeCandidateTip candidateTip : candidates){
182 DataTreeCandidates.applyToModification(snapshot, candidateTip);
184 ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
186 cohort.canCommit().get();
187 cohort.preCommit().get();
188 DataTreeCandidateTip candidate = cohort.getCandidate();
189 cohort.commit().get();