2 * Copyright (c) 2017 Brocade Communications 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.controller.cluster.datastore.messages;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertNull;
12 import static org.junit.Assert.assertTrue;
14 import java.io.ByteArrayOutputStream;
15 import java.io.DataOutputStream;
16 import java.io.IOException;
17 import java.io.ObjectOutputStream;
18 import java.math.BigInteger;
19 import java.util.Arrays;
20 import java.util.Collections;
21 import java.util.Optional;
22 import org.apache.commons.lang.SerializationUtils;
23 import org.junit.Test;
24 import org.opendaylight.controller.cluster.datastore.AbstractShardTest;
25 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
26 import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
27 import org.opendaylight.controller.cluster.datastore.persisted.PayloadVersion;
28 import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
29 import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
30 import org.opendaylight.controller.cluster.datastore.shardmanager.ShardManagerSnapshot;
31 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
32 import org.opendaylight.controller.cluster.raft.Snapshot;
33 import org.opendaylight.controller.cluster.raft.persisted.EmptyState;
34 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
35 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
36 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
38 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
39 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
40 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
41 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
42 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
45 * Unit tests for DatastoreSnapshotList.
47 * @author Thomas Pantelis
50 public class DatastoreSnapshotListTest {
52 public void testSerialization() throws Exception {
53 NormalizedNode<?, ?> legacyConfigRoot1 = toRootNode(CarsModel.BASE_PATH,
54 CarsModel.newCarsNode(CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima",
55 BigInteger.valueOf(20000L)),CarsModel.newCarEntry("sportage",
56 BigInteger.valueOf(30000L)))));
58 NormalizedNode<?, ?> legacyConfigRoot2 = toRootNode(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
60 ShardManagerSnapshot legacyShardManagerSnapshot = newLegacyShardManagerSnapshot("config-one", "config-two");
61 DatastoreSnapshot legacyConfigSnapshot = new DatastoreSnapshot("config",
62 SerializationUtils.serialize(legacyShardManagerSnapshot),
63 Arrays.asList(newLegacyShardSnapshot("config-one", newLegacySnapshot(legacyConfigRoot1)),
64 newLegacyShardSnapshot("config-two", newLegacySnapshot(legacyConfigRoot2))));
66 DatastoreSnapshot legacyOperSnapshot = new DatastoreSnapshot("oper",
67 null, Arrays.asList(newLegacyShardSnapshot("oper-one", newLegacySnapshot(null))));
69 DatastoreSnapshotList legacy = new DatastoreSnapshotList(Arrays.asList(legacyConfigSnapshot,
72 org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList cloned =
73 (org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList)
74 SerializationUtils.clone(legacy);
76 assertEquals("DatastoreSnapshotList size", 2, cloned.size());
77 assertDatastoreSnapshotEquals(legacyConfigSnapshot, cloned.get(0),
78 new org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot(
79 legacyShardManagerSnapshot.getShardList(), Collections.emptyMap()),
80 Optional.of(legacyConfigRoot1), Optional.of(legacyConfigRoot2));
81 assertDatastoreSnapshotEquals(legacyOperSnapshot, cloned.get(1),
82 (org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot)null,
86 @SuppressWarnings("unchecked")
87 private void assertDatastoreSnapshotEquals(DatastoreSnapshot legacy,
88 org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot actual,
89 org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot expShardMgrSnapshot,
90 Optional<NormalizedNode<?, ?>>... shardRoots) throws IOException {
91 assertEquals("Type", legacy.getType(), actual.getType());
93 if (legacy.getShardManagerSnapshot() == null) {
94 assertNull("Expected null ShardManagerSnapshot", actual.getShardManagerSnapshot());
96 org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot actualShardManagerSnapshot =
97 (org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot)
98 SerializationUtils.deserialize(legacy.getShardManagerSnapshot());
99 assertEquals("ShardManagerSnapshot", expShardMgrSnapshot.getShardList(),
100 actualShardManagerSnapshot.getShardList());
103 assertEquals("ShardSnapshots size", legacy.getShardSnapshots().size(), actual.getShardSnapshots().size());
105 for (int i = 0; i < actual.getShardSnapshots().size(); i++) {
106 ShardSnapshot legacyShardSnapshot = legacy.getShardSnapshots().get(i);
107 org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot
108 actualShardSnapshot = actual.getShardSnapshots().get(i);
109 assertEquals("Shard name", legacyShardSnapshot.getName(), actualShardSnapshot.getName());
110 assertSnapshotEquals((Snapshot) SerializationUtils.deserialize(legacyShardSnapshot.getSnapshot()),
111 shardRoots[i], actualShardSnapshot.getSnapshot());
115 private static void assertSnapshotEquals(Snapshot expected, Optional<NormalizedNode<?, ?>> expRoot,
116 org.opendaylight.controller.cluster.raft.persisted.Snapshot actual) throws IOException {
117 assertEquals("lastIndex", expected.getLastIndex(), actual.getLastIndex());
118 assertEquals("lastTerm", expected.getLastTerm(), actual.getLastTerm());
119 assertEquals("lastAppliedIndex", expected.getLastAppliedIndex(), actual.getLastAppliedIndex());
120 assertEquals("lastAppliedTerm", expected.getLastAppliedTerm(), actual.getLastAppliedTerm());
121 assertEquals("unAppliedEntries", expected.getUnAppliedEntries(), actual.getUnAppliedEntries());
122 assertEquals("electionTerm", expected.getElectionTerm(), actual.getElectionTerm());
123 assertEquals("electionVotedFor", expected.getElectionVotedFor(), actual.getElectionVotedFor());
125 if (expRoot.isPresent()) {
126 ShardDataTreeSnapshot actualSnapshot = ((ShardSnapshotState)actual.getState()).getSnapshot();
127 assertEquals("ShardDataTreeSnapshot type", MetadataShardDataTreeSnapshot.class, actualSnapshot.getClass());
128 assertTrue("Expected root node present", actualSnapshot.getRootNode().isPresent());
129 assertEquals("Root node", expRoot.get(), actualSnapshot.getRootNode().get());
131 assertEquals("State type", EmptyState.class, actual.getState().getClass());
135 private static ShardManagerSnapshot newLegacyShardManagerSnapshot(String... shards) {
136 return ShardManagerSnapshot.forShardList(Arrays.asList(shards));
139 private static DatastoreSnapshot.ShardSnapshot newLegacyShardSnapshot(String name,
140 org.opendaylight.controller.cluster.raft.Snapshot snapshot) {
141 return new DatastoreSnapshot.ShardSnapshot(name, SerializationUtils.serialize(snapshot));
144 private static Snapshot newLegacySnapshot(NormalizedNode<?, ?> root)
146 final ByteArrayOutputStream bos = new ByteArrayOutputStream();
148 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(root);
149 try (DataOutputStream dos = new DataOutputStream(bos)) {
150 PayloadVersion.BORON.writeTo(dos);
151 try (ObjectOutputStream oos = new ObjectOutputStream(dos)) {
152 oos.writeObject(snapshot);
157 return Snapshot.create(bos.toByteArray(), Collections.<ReplicatedLogEntry>emptyList(), 2, 1, 2, 1, 1,
161 private static NormalizedNode<?, ?> toRootNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node)
162 throws DataValidationFailedException {
163 DataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
164 dataTree.setSchemaContext(SchemaContextHelper.full());
165 AbstractShardTest.writeToStore(dataTree, path, node);
166 return AbstractShardTest.readStore(dataTree, YangInstanceIdentifier.EMPTY);