2 * Copyright (c) 2014, 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.raft.behaviors;
11 import static org.junit.Assert.assertEquals;
12 import static org.mockito.Mockito.doReturn;
13 import static org.mockito.Mockito.spy;
14 import static org.mockito.Mockito.verify;
16 import com.google.common.base.Optional;
17 import com.google.common.io.ByteSource;
18 import com.google.protobuf.ByteString;
19 import java.io.IOException;
20 import java.io.Serializable;
21 import java.util.Arrays;
22 import java.util.HashMap;
24 import org.apache.commons.lang3.SerializationUtils;
25 import org.junit.Before;
26 import org.junit.Test;
27 import org.mockito.Mock;
28 import org.mockito.MockitoAnnotations;
29 import org.opendaylight.controller.cluster.io.FileBackedOutputStream;
30 import org.opendaylight.controller.cluster.raft.RaftActorContext;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 public class SnapshotTrackerTest {
35 private static final Logger LOG = LoggerFactory.getLogger(SnapshotTrackerTest.class);
38 private RaftActorContext mockContext;
39 private FileBackedOutputStream fbos;
40 private Map<String, String> data;
41 private ByteString byteString;
42 private byte[] chunk1;
43 private byte[] chunk2;
44 private byte[] chunk3;
48 MockitoAnnotations.initMocks(this);
50 data = new HashMap<>();
51 data.put("key1", "value1");
52 data.put("key2", "value2");
53 data.put("key3", "value3");
55 byteString = ByteString.copyFrom(SerializationUtils.serialize((Serializable) data));
56 chunk1 = getNextChunk(byteString, 0, 10);
57 chunk2 = getNextChunk(byteString, 10, 10);
58 chunk3 = getNextChunk(byteString, 20, byteString.size());
60 fbos = spy(new FileBackedOutputStream(100000000, "target"));
61 doReturn(fbos).when(mockContext).newFileBackedOutputStream();
65 public void testAddChunks() throws IOException {
66 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 3, "leader", mockContext)) {
67 tracker.addChunk(1, chunk1, Optional.of(LeaderInstallSnapshotState.INITIAL_LAST_CHUNK_HASH_CODE));
68 tracker.addChunk(2, chunk2, Optional.of(Arrays.hashCode(chunk1)));
69 tracker.addChunk(3, chunk3, Optional.of(Arrays.hashCode(chunk2)));
71 ByteSource snapshotBytes = tracker.getSnapshotBytes();
72 assertEquals("Deserialized", data, SerializationUtils.deserialize(snapshotBytes.read()));
75 verify(fbos).cleanup();
78 @Test(expected = SnapshotTracker.InvalidChunkException.class)
79 public void testAddChunkWhenAlreadySealed() throws IOException {
80 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 2, "leader", mockContext)) {
81 tracker.addChunk(1, chunk1, Optional.<Integer>absent());
82 tracker.addChunk(2, chunk2, Optional.<Integer>absent());
83 tracker.addChunk(3, chunk3, Optional.<Integer>absent());
87 @Test(expected = SnapshotTracker.InvalidChunkException.class)
88 public void testInvalidFirstChunkIndex() throws IOException {
89 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 2, "leader", mockContext)) {
90 tracker.addChunk(LeaderInstallSnapshotState.FIRST_CHUNK_INDEX - 1, chunk1, Optional.<Integer>absent());
94 @Test(expected = SnapshotTracker.InvalidChunkException.class)
95 public void testOutOfSequenceChunk() throws IOException {
96 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 2, "leader", mockContext)) {
97 tracker.addChunk(1, chunk1, Optional.<Integer>absent());
98 tracker.addChunk(3, chunk3, Optional.<Integer>absent());
102 @Test(expected = SnapshotTracker.InvalidChunkException.class)
103 public void testInvalidLastChunkHashCode() throws IOException {
104 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 2, "leader", mockContext)) {
105 tracker.addChunk(1, chunk1, Optional.of(LeaderInstallSnapshotState.INITIAL_LAST_CHUNK_HASH_CODE));
106 tracker.addChunk(2, chunk2, Optional.of(1));
110 @Test(expected = IllegalStateException.class)
111 public void testGetSnapshotBytesWhenNotSealed() throws IOException {
112 try (SnapshotTracker tracker = new SnapshotTracker(LOG, 2, "leader", mockContext)) {
113 tracker.addChunk(1, chunk1, Optional.<Integer>absent());
114 tracker.getSnapshotBytes();
118 private byte[] getNextChunk(ByteString bs, int offset, int size) {
119 int snapshotLength = bs.size();
121 if (size > snapshotLength) {
122 size = snapshotLength;
124 if (start + size > snapshotLength) {
125 size = snapshotLength - start;
129 byte[] nextChunk = new byte[size];
130 bs.copyTo(nextChunk, start, 0, size);