Convert DatastoreSnapshotRestore to OSGi DS
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / DatastoreSnapshotRestoreTest.java
1 /*
2  * Copyright (c) 2015 Brocade Communications 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.controller.cluster.datastore;
9
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertFalse;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertTrue;
15
16 import java.io.File;
17 import java.io.FileOutputStream;
18 import java.util.Arrays;
19 import java.util.Collections;
20 import java.util.Optional;
21 import org.apache.commons.lang3.SerializationUtils;
22 import org.junit.After;
23 import org.junit.Test;
24 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
25 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList;
26 import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
27 import org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot;
28 import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
29 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
30 import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
31 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
32 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
33 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
34 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
35 import org.opendaylight.yangtools.yang.common.Uint64;
36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
37 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
38 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
39 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
40 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
41 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
42
43 /**
44  * Unit tests for DatastoreSnapshotRestore.
45  *
46  * @author Thomas Pantelis
47  */
48 public class DatastoreSnapshotRestoreTest {
49     String restoreDirectoryPath = "target/DatastoreSnapshotRestoreTest-" + System.nanoTime();
50     File restoreDirectoryFile = new File(restoreDirectoryPath);
51     File backupFile = new File(restoreDirectoryFile, "backup");
52
53     @After
54     public void tearDown() {
55         backupFile.delete();
56         restoreDirectoryFile.delete();
57     }
58
59     @Test
60     public void test() throws Exception {
61         assertTrue("Failed to mkdir " + restoreDirectoryPath, restoreDirectoryFile.mkdirs());
62
63         final DatastoreSnapshot configSnapshot = new DatastoreSnapshot("config",
64                 newShardManagerSnapshot("config-one", "config-two"),
65                 Arrays.asList(new DatastoreSnapshot.ShardSnapshot("config-one", newSnapshot(CarsModel.BASE_PATH,
66                         CarsModel.newCarsNode(CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima",
67                             Uint64.valueOf(20000)),CarsModel.newCarEntry("sportage", Uint64.valueOf(30000)))))),
68                         new DatastoreSnapshot.ShardSnapshot("config-two", newSnapshot(PeopleModel.BASE_PATH,
69                             PeopleModel.emptyContainer()))));
70
71         DatastoreSnapshot operSnapshot = new DatastoreSnapshot("oper",
72                 null, Arrays.asList(new DatastoreSnapshot.ShardSnapshot("oper-one", newSnapshot(TestModel.TEST_PATH,
73                         ImmutableNodes.containerNode(TestModel.TEST_QNAME)))));
74
75         DatastoreSnapshotList snapshotList = new DatastoreSnapshotList(Arrays.asList(configSnapshot, operSnapshot));
76
77         try (FileOutputStream fos = new FileOutputStream(backupFile)) {
78             SerializationUtils.serialize(snapshotList, fos);
79         }
80
81         DefaultDatastoreSnapshotRestore instance = new DefaultDatastoreSnapshotRestore(restoreDirectoryPath);
82         instance.activate();
83
84         assertDatastoreSnapshotEquals(configSnapshot, instance.getAndRemove("config").orElse(null));
85         assertDatastoreSnapshotEquals(operSnapshot, instance.getAndRemove("oper").orElse(null));
86
87         assertEquals("DatastoreSnapshot was not removed", Optional.empty(), instance.getAndRemove("config"));
88
89         assertFalse(backupFile + " was not deleted", backupFile.exists());
90     }
91
92     private static void assertDatastoreSnapshotEquals(final DatastoreSnapshot expected,
93             final DatastoreSnapshot actual) {
94         assertNotNull("DatastoreSnapshot is null", actual);
95         assertEquals("getType", expected.getType(), actual.getType());
96
97         if (expected.getShardManagerSnapshot() == null) {
98             assertNull("Expected null ShardManagerSnapshot", actual.getShardManagerSnapshot());
99         } else {
100             assertEquals("ShardManagerSnapshot", expected.getShardManagerSnapshot().getShardList(),
101                     actual.getShardManagerSnapshot().getShardList());
102         }
103
104         assertEquals("ShardSnapshots size", expected.getShardSnapshots().size(), actual.getShardSnapshots().size());
105         for (int i = 0; i < expected.getShardSnapshots().size(); i++) {
106             assertEquals("ShardSnapshot " + (i + 1) + " name", expected.getShardSnapshots().get(i).getName(),
107                     actual.getShardSnapshots().get(i).getName());
108             assertSnapshotEquals("ShardSnapshot " + (i + 1) + " snapshot",
109                     expected.getShardSnapshots().get(i).getSnapshot(), actual.getShardSnapshots().get(i).getSnapshot());
110         }
111     }
112
113     private static void assertSnapshotEquals(final String prefix, final Snapshot expected, final Snapshot actual) {
114         assertEquals(prefix + " lastIndex", expected.getLastIndex(), actual.getLastIndex());
115         assertEquals(prefix + " lastTerm", expected.getLastTerm(), actual.getLastTerm());
116         assertEquals(prefix + " lastAppliedIndex", expected.getLastAppliedIndex(), actual.getLastAppliedIndex());
117         assertEquals(prefix + " lastAppliedTerm", expected.getLastAppliedTerm(), actual.getLastAppliedTerm());
118         assertEquals(prefix + " unAppliedEntries", expected.getUnAppliedEntries(), actual.getUnAppliedEntries());
119         assertEquals(prefix + " electionTerm", expected.getElectionTerm(), actual.getElectionTerm());
120         assertEquals(prefix + " electionVotedFor", expected.getElectionVotedFor(), actual.getElectionVotedFor());
121         assertEquals(prefix + " Root node", ((ShardSnapshotState)expected.getState()).getSnapshot().getRootNode(),
122                 ((ShardSnapshotState)actual.getState()).getSnapshot().getRootNode());
123     }
124
125     private static ShardManagerSnapshot newShardManagerSnapshot(final String... shards) {
126         return new ShardManagerSnapshot(Arrays.asList(shards), Collections.emptyMap());
127     }
128
129     private static Snapshot newSnapshot(final YangInstanceIdentifier path, final NormalizedNode<?, ?> node)
130             throws Exception {
131         DataTree dataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL,
132             SchemaContextHelper.full());
133         AbstractShardTest.writeToStore(dataTree, path, node);
134         NormalizedNode<?, ?> root = AbstractShardTest.readStore(dataTree, YangInstanceIdentifier.empty());
135
136         return Snapshot.create(new ShardSnapshotState(new MetadataShardDataTreeSnapshot(root)),
137                 Collections.<ReplicatedLogEntry>emptyList(), 2, 1, 2, 1, 1, "member-1", null);
138     }
139 }

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