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.raft;
11 import static org.junit.Assert.assertArrayEquals;
12 import static org.junit.Assert.assertEquals;
13 import static org.junit.Assert.assertFalse;
14 import static org.junit.Assert.assertTrue;
15 import static org.mockito.Matchers.any;
16 import static org.mockito.Matchers.anyLong;
17 import static org.mockito.Mockito.doReturn;
18 import static org.mockito.Mockito.doThrow;
19 import static org.mockito.Mockito.mock;
20 import static org.mockito.Mockito.never;
21 import static org.mockito.Mockito.reset;
22 import static org.mockito.Mockito.times;
23 import static org.mockito.Mockito.verify;
25 import akka.actor.ActorRef;
26 import akka.persistence.SnapshotSelectionCriteria;
27 import akka.testkit.TestActorRef;
28 import java.util.Arrays;
29 import org.junit.After;
30 import org.junit.Before;
31 import org.junit.Test;
32 import org.mockito.ArgumentCaptor;
33 import org.mockito.Mock;
34 import org.mockito.MockitoAnnotations;
35 import org.opendaylight.controller.cluster.DataPersistenceProvider;
36 import org.opendaylight.controller.cluster.raft.SnapshotManager.LastAppliedTermInformationReader;
37 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot;
38 import org.opendaylight.controller.cluster.raft.base.messages.SendInstallSnapshot;
39 import org.opendaylight.controller.cluster.raft.base.messages.SnapshotComplete;
40 import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
41 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
42 import org.slf4j.LoggerFactory;
44 public class SnapshotManagerTest extends AbstractActorTest {
47 private RaftActorContext mockRaftActorContext;
50 private ConfigParams mockConfigParams;
53 private ReplicatedLog mockReplicatedLog;
56 private DataPersistenceProvider mockDataPersistenceProvider;
59 private RaftActorBehavior mockRaftActorBehavior;
62 private Runnable mockProcedure;
65 private ElectionTerm mockElectionTerm;
67 private SnapshotManager snapshotManager;
69 private TestActorFactory factory;
71 private TestActorRef<MessageCollectorActor> actorRef;
75 MockitoAnnotations.initMocks(this);
77 doReturn(false).when(mockRaftActorContext).hasFollowers();
78 doReturn(mockConfigParams).when(mockRaftActorContext).getConfigParams();
79 doReturn(10L).when(mockConfigParams).getSnapshotBatchCount();
80 doReturn(70).when(mockConfigParams).getSnapshotDataThresholdPercentage();
81 doReturn(mockReplicatedLog).when(mockRaftActorContext).getReplicatedLog();
82 doReturn("123").when(mockRaftActorContext).getId();
83 doReturn(mockDataPersistenceProvider).when(mockRaftActorContext).getPersistenceProvider();
84 doReturn(mockRaftActorBehavior).when(mockRaftActorContext).getCurrentBehavior();
85 doReturn("123").when(mockRaftActorBehavior).getLeaderId();
87 doReturn(mockElectionTerm).when(mockRaftActorContext).getTermInformation();
88 doReturn(5L).when(mockElectionTerm).getCurrentTerm();
89 doReturn("member5").when(mockElectionTerm).getVotedFor();
91 snapshotManager = new SnapshotManager(mockRaftActorContext, LoggerFactory.getLogger(this.getClass()));
92 factory = new TestActorFactory(getSystem());
94 actorRef = factory.createTestActor(MessageCollectorActor.props(), factory.generateActorId("test-"));
95 doReturn(actorRef).when(mockRaftActorContext).getActor();
97 snapshotManager.setCreateSnapshotRunnable(mockProcedure);
101 public void tearDown() {
106 public void testConstruction() {
107 assertEquals(false, snapshotManager.isCapturing());
111 public void testCaptureToInstall() throws Exception {
113 // Force capturing toInstall = true
114 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(1, 0,
115 new MockRaftActorContext.MockPayload()), 0, "follower-1");
117 assertEquals(true, snapshotManager.isCapturing());
119 verify(mockProcedure).run();
121 CaptureSnapshot captureSnapshot = snapshotManager.getCaptureSnapshot();
123 // LastIndex and LastTerm are picked up from the lastLogEntry
124 assertEquals(0L, captureSnapshot.getLastIndex());
125 assertEquals(1L, captureSnapshot.getLastTerm());
127 // Since the actor does not have any followers (no peer addresses) lastApplied will be from lastLogEntry
128 assertEquals(0L, captureSnapshot.getLastAppliedIndex());
129 assertEquals(1L, captureSnapshot.getLastAppliedTerm());
132 assertEquals(-1L, captureSnapshot.getReplicatedToAllIndex());
133 assertEquals(-1L, captureSnapshot.getReplicatedToAllTerm());
134 actorRef.underlyingActor().clear();
138 public void testCapture() throws Exception {
139 boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
140 new MockRaftActorContext.MockPayload()), 9);
144 assertEquals(true, snapshotManager.isCapturing());
146 verify(mockProcedure).run();
148 CaptureSnapshot captureSnapshot = snapshotManager.getCaptureSnapshot();
150 // LastIndex and LastTerm are picked up from the lastLogEntry
151 assertEquals(9L, captureSnapshot.getLastIndex());
152 assertEquals(1L, captureSnapshot.getLastTerm());
154 // Since the actor does not have any followers (no peer addresses) lastApplied will be from lastLogEntry
155 assertEquals(9L, captureSnapshot.getLastAppliedIndex());
156 assertEquals(1L, captureSnapshot.getLastAppliedTerm());
159 assertEquals(-1L, captureSnapshot.getReplicatedToAllIndex());
160 assertEquals(-1L, captureSnapshot.getReplicatedToAllTerm());
162 actorRef.underlyingActor().clear();
167 public void testCaptureWithNullLastLogEntry() throws Exception {
168 boolean capture = snapshotManager.capture(null, 1);
172 assertEquals(true, snapshotManager.isCapturing());
174 verify(mockProcedure).run();
176 CaptureSnapshot captureSnapshot = snapshotManager.getCaptureSnapshot();
178 // LastIndex and LastTerm are picked up from the lastLogEntry
179 assertEquals(-1L, captureSnapshot.getLastIndex());
180 assertEquals(-1L, captureSnapshot.getLastTerm());
182 // Since the actor does not have any followers (no peer addresses) lastApplied will be from lastLogEntry
183 assertEquals(-1L, captureSnapshot.getLastAppliedIndex());
184 assertEquals(-1L, captureSnapshot.getLastAppliedTerm());
187 assertEquals(-1L, captureSnapshot.getReplicatedToAllIndex());
188 assertEquals(-1L, captureSnapshot.getReplicatedToAllTerm());
189 actorRef.underlyingActor().clear();
194 public void testCaptureWithCreateProcedureError() throws Exception {
195 doThrow(new RuntimeException("mock")).when(mockProcedure).run();
197 boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
198 new MockRaftActorContext.MockPayload()), 9);
200 assertFalse(capture);
202 assertEquals(false, snapshotManager.isCapturing());
204 verify(mockProcedure).run();
208 public void testIllegalCapture() throws Exception {
209 boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
210 new MockRaftActorContext.MockPayload()), 9);
214 verify(mockProcedure).run();
216 reset(mockProcedure);
218 // This will not cause snapshot capture to start again
219 capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
220 new MockRaftActorContext.MockPayload()), 9);
222 assertFalse(capture);
224 verify(mockProcedure, never()).run();
228 public void testPersistWhenReplicatedToAllIndexMinusOne() {
229 doReturn(7L).when(mockReplicatedLog).getSnapshotIndex();
230 doReturn(1L).when(mockReplicatedLog).getSnapshotTerm();
232 doReturn(true).when(mockRaftActorContext).hasFollowers();
234 doReturn(8L).when(mockRaftActorContext).getLastApplied();
236 MockRaftActorContext.MockReplicatedLogEntry lastLogEntry = new MockRaftActorContext.MockReplicatedLogEntry(
237 3L, 9L, new MockRaftActorContext.MockPayload());
239 MockRaftActorContext.MockReplicatedLogEntry lastAppliedEntry = new MockRaftActorContext.MockReplicatedLogEntry(
240 2L, 8L, new MockRaftActorContext.MockPayload());
242 doReturn(lastAppliedEntry).when(mockReplicatedLog).get(8L);
243 doReturn(Arrays.asList(lastLogEntry)).when(mockReplicatedLog).getFrom(9L);
245 // when replicatedToAllIndex = -1
246 snapshotManager.capture(lastLogEntry, -1);
248 byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10};
249 snapshotManager.persist(bytes, Runtime.getRuntime().totalMemory());
251 ArgumentCaptor<Snapshot> snapshotArgumentCaptor = ArgumentCaptor.forClass(Snapshot.class);
252 verify(mockDataPersistenceProvider).saveSnapshot(snapshotArgumentCaptor.capture());
254 Snapshot snapshot = snapshotArgumentCaptor.getValue();
256 assertEquals("getLastTerm", 3L, snapshot.getLastTerm());
257 assertEquals("getLastIndex", 9L, snapshot.getLastIndex());
258 assertEquals("getLastAppliedTerm", 2L, snapshot.getLastAppliedTerm());
259 assertEquals("getLastAppliedIndex", 8L, snapshot.getLastAppliedIndex());
260 assertArrayEquals("getState", bytes, snapshot.getState());
261 assertEquals("getUnAppliedEntries", Arrays.asList(lastLogEntry), snapshot.getUnAppliedEntries());
262 assertEquals("electionTerm", mockElectionTerm.getCurrentTerm(), snapshot.getElectionTerm());
263 assertEquals("electionVotedFor", mockElectionTerm.getVotedFor(), snapshot.getElectionVotedFor());
265 verify(mockReplicatedLog).snapshotPreCommit(7L, 1L);
269 public void testPersistWhenReplicatedToAllIndexNotMinus() {
270 doReturn(45L).when(mockReplicatedLog).getSnapshotIndex();
271 doReturn(6L).when(mockReplicatedLog).getSnapshotTerm();
272 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
273 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(9);
274 doReturn(6L).when(replicatedLogEntry).getTerm();
275 doReturn(9L).when(replicatedLogEntry).getIndex();
277 // when replicatedToAllIndex != -1
278 snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(6,9,
279 new MockRaftActorContext.MockPayload()), 9);
281 byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10};
282 snapshotManager.persist(bytes, Runtime.getRuntime().totalMemory());
284 ArgumentCaptor<Snapshot> snapshotArgumentCaptor = ArgumentCaptor.forClass(Snapshot.class);
285 verify(mockDataPersistenceProvider).saveSnapshot(snapshotArgumentCaptor.capture());
287 Snapshot snapshot = snapshotArgumentCaptor.getValue();
289 assertEquals("getLastTerm", 6L, snapshot.getLastTerm());
290 assertEquals("getLastIndex", 9L, snapshot.getLastIndex());
291 assertEquals("getLastAppliedTerm", 6L, snapshot.getLastAppliedTerm());
292 assertEquals("getLastAppliedIndex", 9L, snapshot.getLastAppliedIndex());
293 assertArrayEquals("getState", bytes, snapshot.getState());
294 assertEquals("getUnAppliedEntries size", 0, snapshot.getUnAppliedEntries().size());
296 verify(mockReplicatedLog).snapshotPreCommit(9L, 6L);
298 verify(mockRaftActorBehavior).setReplicatedToAllIndex(9);
302 public void testPersistWhenReplicatedLogDataSizeGreaterThanThreshold() {
303 doReturn(Integer.MAX_VALUE).when(mockReplicatedLog).dataSize();
305 // when replicatedToAllIndex = -1
306 snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(6,9,
307 new MockRaftActorContext.MockPayload()), -1);
309 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
311 verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class));
313 verify(mockReplicatedLog).snapshotPreCommit(9L, 6L);
315 verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong());
319 public void testPersistWhenReplicatedLogSizeExceedsSnapshotBatchCount() {
320 doReturn(10L).when(mockReplicatedLog).size(); // matches snapshotBatchCount
321 doReturn(100).when(mockReplicatedLog).dataSize();
323 doReturn(5L).when(mockReplicatedLog).getSnapshotIndex();
324 doReturn(5L).when(mockReplicatedLog).getSnapshotTerm();
326 long replicatedToAllIndex = 1;
327 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
328 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(replicatedToAllIndex);
329 doReturn(6L).when(replicatedLogEntry).getTerm();
330 doReturn(replicatedToAllIndex).when(replicatedLogEntry).getIndex();
332 snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
333 new MockRaftActorContext.MockPayload()), replicatedToAllIndex);
335 snapshotManager.persist(new byte[]{}, 2000000L);
337 verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class));
339 verify(mockReplicatedLog).snapshotPreCommit(9L, 6L);
341 verify(mockRaftActorBehavior).setReplicatedToAllIndex(replicatedToAllIndex);
345 public void testPersistSendInstallSnapshot() {
346 doReturn(Integer.MAX_VALUE).when(mockReplicatedLog).dataSize();
348 // when replicatedToAllIndex = -1
349 boolean capture = snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
350 new MockRaftActorContext.MockPayload()), -1, "follower-1");
354 byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10};
356 snapshotManager.persist(bytes, Runtime.getRuntime().totalMemory());
358 assertEquals(true, snapshotManager.isCapturing());
360 verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class));
362 verify(mockReplicatedLog).snapshotPreCommit(9L, 6L);
364 ArgumentCaptor<SendInstallSnapshot> sendInstallSnapshotArgumentCaptor
365 = ArgumentCaptor.forClass(SendInstallSnapshot.class);
367 verify(mockRaftActorBehavior).handleMessage(any(ActorRef.class), sendInstallSnapshotArgumentCaptor.capture());
369 SendInstallSnapshot sendInstallSnapshot = sendInstallSnapshotArgumentCaptor.getValue();
371 assertTrue(Arrays.equals(bytes, sendInstallSnapshot.getSnapshot().getState()));
375 public void testCallingPersistWithoutCaptureWillDoNothing() {
376 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
378 verify(mockDataPersistenceProvider, never()).saveSnapshot(any(Snapshot.class));
380 verify(mockReplicatedLog, never()).snapshotPreCommit(9L, 6L);
382 verify(mockRaftActorBehavior, never()).handleMessage(any(ActorRef.class), any(SendInstallSnapshot.class));
386 public void testCallingPersistTwiceWillDoNoHarm() {
387 doReturn(Integer.MAX_VALUE).when(mockReplicatedLog).dataSize();
389 // when replicatedToAllIndex = -1
390 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
391 new MockRaftActorContext.MockPayload()), -1, "follower-1");
393 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
395 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
397 verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class));
399 verify(mockReplicatedLog).snapshotPreCommit(9L, 6L);
401 verify(mockRaftActorBehavior).handleMessage(any(ActorRef.class), any(SendInstallSnapshot.class));
405 public void testCommit() {
406 doReturn(50L).when(mockDataPersistenceProvider).getLastSequenceNumber();
408 // when replicatedToAllIndex = -1
409 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
410 new MockRaftActorContext.MockPayload()), -1, "follower-1");
412 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
414 assertEquals(true, snapshotManager.isCapturing());
416 snapshotManager.commit(100L, 1234L);
418 assertEquals(false, snapshotManager.isCapturing());
420 verify(mockReplicatedLog).snapshotCommit();
422 verify(mockDataPersistenceProvider).deleteMessages(50L);
424 ArgumentCaptor<SnapshotSelectionCriteria> criteriaCaptor =
425 ArgumentCaptor.forClass(SnapshotSelectionCriteria.class);
427 verify(mockDataPersistenceProvider).deleteSnapshots(criteriaCaptor.capture());
429 assertEquals(100L, criteriaCaptor.getValue().maxSequenceNr());
430 assertEquals(1233L, criteriaCaptor.getValue().maxTimestamp());
432 MessageCollectorActor.expectFirstMatching(actorRef, SnapshotComplete.class);
436 public void testCommitBeforePersist() {
437 // when replicatedToAllIndex = -1
438 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
439 new MockRaftActorContext.MockPayload()), -1, "follower-1");
441 snapshotManager.commit(100L, 0);
443 verify(mockReplicatedLog, never()).snapshotCommit();
445 verify(mockDataPersistenceProvider, never()).deleteMessages(100L);
447 verify(mockDataPersistenceProvider, never()).deleteSnapshots(any(SnapshotSelectionCriteria.class));
452 public void testCommitBeforeCapture() {
453 snapshotManager.commit(100L, 0);
455 verify(mockReplicatedLog, never()).snapshotCommit();
457 verify(mockDataPersistenceProvider, never()).deleteMessages(anyLong());
459 verify(mockDataPersistenceProvider, never()).deleteSnapshots(any(SnapshotSelectionCriteria.class));
464 public void testCallingCommitMultipleTimesCausesNoHarm() {
465 doReturn(50L).when(mockDataPersistenceProvider).getLastSequenceNumber();
467 // when replicatedToAllIndex = -1
468 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
469 new MockRaftActorContext.MockPayload()), -1, "follower-1");
471 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
473 snapshotManager.commit(100L, 0);
475 snapshotManager.commit(100L, 0);
477 verify(mockReplicatedLog, times(1)).snapshotCommit();
479 verify(mockDataPersistenceProvider, times(1)).deleteMessages(50L);
481 verify(mockDataPersistenceProvider, times(1)).deleteSnapshots(any(SnapshotSelectionCriteria.class));
485 public void testRollback() {
486 // when replicatedToAllIndex = -1
487 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
488 new MockRaftActorContext.MockPayload()), -1, "follower-1");
490 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
492 snapshotManager.rollback();
494 verify(mockReplicatedLog).snapshotRollback();
496 MessageCollectorActor.expectFirstMatching(actorRef, SnapshotComplete.class);
501 public void testRollbackBeforePersist() {
502 // when replicatedToAllIndex = -1
503 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
504 new MockRaftActorContext.MockPayload()), -1, "follower-1");
506 snapshotManager.rollback();
508 verify(mockReplicatedLog, never()).snapshotRollback();
512 public void testRollbackBeforeCapture() {
513 snapshotManager.rollback();
515 verify(mockReplicatedLog, never()).snapshotRollback();
519 public void testCallingRollbackMultipleTimesCausesNoHarm() {
520 // when replicatedToAllIndex = -1
521 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9,
522 new MockRaftActorContext.MockPayload()), -1, "follower-1");
524 snapshotManager.persist(new byte[]{}, Runtime.getRuntime().totalMemory());
526 snapshotManager.rollback();
528 snapshotManager.rollback();
530 verify(mockReplicatedLog, times(1)).snapshotRollback();
534 public void testTrimLogWhenTrimIndexLessThanLastApplied() {
535 doReturn(20L).when(mockRaftActorContext).getLastApplied();
537 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
538 doReturn(true).when(mockReplicatedLog).isPresent(10);
539 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(10);
540 doReturn(5L).when(replicatedLogEntry).getTerm();
542 long retIndex = snapshotManager.trimLog(10);
543 assertEquals("return index", 10L, retIndex);
545 verify(mockReplicatedLog).snapshotPreCommit(10, 5);
546 verify(mockReplicatedLog).snapshotCommit();
548 verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong());
552 public void testTrimLogWhenLastAppliedNotSet() {
553 doReturn(-1L).when(mockRaftActorContext).getLastApplied();
555 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
556 doReturn(true).when(mockReplicatedLog).isPresent(10);
557 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(10);
558 doReturn(5L).when(replicatedLogEntry).getTerm();
560 long retIndex = snapshotManager.trimLog(10);
561 assertEquals("return index", -1L, retIndex);
563 verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong());
564 verify(mockReplicatedLog, never()).snapshotCommit();
566 verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong());
570 public void testTrimLogWhenLastAppliedZero() {
571 doReturn(0L).when(mockRaftActorContext).getLastApplied();
573 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
574 doReturn(true).when(mockReplicatedLog).isPresent(10);
575 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(10);
576 doReturn(5L).when(replicatedLogEntry).getTerm();
578 long retIndex = snapshotManager.trimLog(10);
579 assertEquals("return index", -1L, retIndex);
581 verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong());
582 verify(mockReplicatedLog, never()).snapshotCommit();
584 verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong());
588 public void testTrimLogWhenTrimIndexNotPresent() {
589 doReturn(20L).when(mockRaftActorContext).getLastApplied();
591 doReturn(false).when(mockReplicatedLog).isPresent(10);
593 long retIndex = snapshotManager.trimLog(10);
594 assertEquals("return index", -1L, retIndex);
596 verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong());
597 verify(mockReplicatedLog, never()).snapshotCommit();
599 // Trim index is greater than replicatedToAllIndex so should update it.
600 verify(mockRaftActorBehavior).setReplicatedToAllIndex(10L);
604 public void testTrimLogAfterCapture() {
605 boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
606 new MockRaftActorContext.MockPayload()), 9);
610 assertEquals(true, snapshotManager.isCapturing());
612 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
613 doReturn(20L).when(mockRaftActorContext).getLastApplied();
614 doReturn(true).when(mockReplicatedLog).isPresent(10);
615 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(10);
616 doReturn(5L).when(replicatedLogEntry).getTerm();
618 snapshotManager.trimLog(10);
620 verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong());
621 verify(mockReplicatedLog, never()).snapshotCommit();
626 public void testTrimLogAfterCaptureToInstall() {
627 boolean capture = snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(1,9,
628 new MockRaftActorContext.MockPayload()), 9, "follower-1");
632 assertEquals(true, snapshotManager.isCapturing());
634 ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class);
635 doReturn(20L).when(mockRaftActorContext).getLastApplied();
636 doReturn(true).when(mockReplicatedLog).isPresent(10);
637 doReturn(replicatedLogEntry).when(mockReplicatedLog).get(10);
638 doReturn(5L).when(replicatedLogEntry).getTerm();
640 snapshotManager.trimLog(10);
642 verify(mockReplicatedLog, never()).snapshotPreCommit(10, 5);
643 verify(mockReplicatedLog, never()).snapshotCommit();
648 public void testLastAppliedTermInformationReader() {
650 LastAppliedTermInformationReader reader = new LastAppliedTermInformationReader();
652 doReturn(4L).when(mockReplicatedLog).getSnapshotTerm();
653 doReturn(7L).when(mockReplicatedLog).getSnapshotIndex();
655 ReplicatedLogEntry lastLogEntry = new MockRaftActorContext.MockReplicatedLogEntry(6L, 9L,
656 new MockRaftActorContext.MockPayload());
658 // No followers and valid lastLogEntry
659 reader.init(mockReplicatedLog, 1L, lastLogEntry, false);
661 assertEquals("getTerm", 6L, reader.getTerm());
662 assertEquals("getIndex", 9L, reader.getIndex());
664 // No followers and null lastLogEntry
665 reader.init(mockReplicatedLog, 1L, null, false);
667 assertEquals("getTerm", -1L, reader.getTerm());
668 assertEquals("getIndex", -1L, reader.getIndex());
670 // Followers and valid originalIndex entry
671 doReturn(new MockRaftActorContext.MockReplicatedLogEntry(5L, 8L,
672 new MockRaftActorContext.MockPayload())).when(mockReplicatedLog).get(8L);
673 reader.init(mockReplicatedLog, 8L, lastLogEntry, true);
675 assertEquals("getTerm", 5L, reader.getTerm());
676 assertEquals("getIndex", 8L, reader.getIndex());
678 // Followers and null originalIndex entry and valid snapshot index
679 reader.init(mockReplicatedLog, 7L, lastLogEntry, true);
681 assertEquals("getTerm", 4L, reader.getTerm());
682 assertEquals("getIndex", 7L, reader.getIndex());
684 // Followers and null originalIndex entry and invalid snapshot index
685 doReturn(-1L).when(mockReplicatedLog).getSnapshotIndex();
686 reader.init(mockReplicatedLog, 7L, lastLogEntry, true);
688 assertEquals("getTerm", -1L, reader.getTerm());
689 assertEquals("getIndex", -1L, reader.getIndex());