+
+ private static class NonPersistentProvider implements DataPersistenceProvider {
+ @Override
+ public boolean isRecoveryApplicable() {
+ return false;
+ }
+
+ @Override
+ public <T> void persist(T o, Procedure<T> procedure) {
+ try {
+ procedure.apply(o);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public void saveSnapshot(Object o) {
+
+ }
+
+ @Override
+ public void deleteSnapshots(SnapshotSelectionCriteria criteria) {
+
+ }
+
+ @Override
+ public void deleteMessages(long sequenceNumber) {
+
+ }
+ }
+
+ @Test
+ public void testRealSnapshotWhenReplicatedToAllIndexMinusOne() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String persistenceId = factory.generateActorId("leader-");
+ DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+ config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ config.setIsolatedLeaderCheckInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ config.setSnapshotBatchCount(5);
+
+ DataPersistenceProvider dataPersistenceProvider = new NonPersistentProvider();
+
+ Map<String, String> peerAddresses = new HashMap<>();
+
+ TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(
+ MockRaftActor.props(persistenceId, peerAddresses,
+ Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+
+ MockRaftActor leaderActor = mockActorRef.underlyingActor();
+ leaderActor.getRaftActorContext().setCommitIndex(3);
+ leaderActor.getRaftActorContext().setLastApplied(3);
+ leaderActor.getRaftActorContext().getTermInformation().update(1, persistenceId);
+
+ leaderActor.waitForInitializeBehaviorComplete();
+ for(int i=0;i< 4;i++) {
+ leaderActor.getReplicatedLog()
+ .append(new MockRaftActorContext.MockReplicatedLogEntry(1, i,
+ new MockRaftActorContext.MockPayload("A")));
+ }
+
+ Leader leader = new Leader(leaderActor.getRaftActorContext());
+ leaderActor.setCurrentBehavior(leader);
+ assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
+
+ // Persist another entry (this will cause a CaptureSnapshot to be triggered
+ leaderActor.persistData(mockActorRef, "x", new MockRaftActorContext.MockPayload("duh"));
+
+ // Now send a CaptureSnapshotReply
+ mockActorRef.tell(new CaptureSnapshotReply(fromObject("foo").toByteArray()), mockActorRef);
+
+ // Trimming log in this scenario is a no-op
+ assertEquals(-1, leaderActor.getReplicatedLog().getSnapshotIndex());
+ assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+ assertEquals(-1, leader.getReplicatedToAllIndex());
+
+ }};
+ }
+
+ @Test
+ public void testRealSnapshotWhenReplicatedToAllIndexNotInReplicatedLog() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String persistenceId = factory.generateActorId("leader-");
+ DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+ config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ config.setIsolatedLeaderCheckInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ config.setSnapshotBatchCount(5);
+
+ DataPersistenceProvider dataPersistenceProvider = new NonPersistentProvider();
+
+ Map<String, String> peerAddresses = new HashMap<>();
+
+ TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(
+ MockRaftActor.props(persistenceId, peerAddresses,
+ Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+
+ MockRaftActor leaderActor = mockActorRef.underlyingActor();
+ leaderActor.getRaftActorContext().setCommitIndex(3);
+ leaderActor.getRaftActorContext().setLastApplied(3);
+ leaderActor.getRaftActorContext().getTermInformation().update(1, persistenceId);
+ leaderActor.getReplicatedLog().setSnapshotIndex(3);
+
+ leaderActor.waitForInitializeBehaviorComplete();
+ Leader leader = new Leader(leaderActor.getRaftActorContext());
+ leaderActor.setCurrentBehavior(leader);
+ leader.setReplicatedToAllIndex(3);
+ assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
+
+ // Persist another entry (this will cause a CaptureSnapshot to be triggered
+ leaderActor.persistData(mockActorRef, "x", new MockRaftActorContext.MockPayload("duh"));
+
+ // Now send a CaptureSnapshotReply
+ mockActorRef.tell(new CaptureSnapshotReply(fromObject("foo").toByteArray()), mockActorRef);
+
+ // Trimming log in this scenario is a no-op
+ assertEquals(3, leaderActor.getReplicatedLog().getSnapshotIndex());
+ assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+ assertEquals(3, leader.getReplicatedToAllIndex());
+
+ }};
+ }
+