X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Ftest%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FSnapshotManagerTest.java;h=5a0d5aed741d0e9d1a943305fc24a5f94dae573a;hb=59e84273be97b1115fb3fb0f06364b7491a40385;hp=90272fec980f46ed99f85d23d2cd24b859eddd66;hpb=9fe7a995204bcfed3ee6b644922b8fe440fe5f5c;p=controller.git diff --git a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/SnapshotManagerTest.java b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/SnapshotManagerTest.java index 90272fec98..5a0d5aed74 100644 --- a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/SnapshotManagerTest.java +++ b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/SnapshotManagerTest.java @@ -1,18 +1,22 @@ package org.opendaylight.controller.cluster.raft; -import static junit.framework.TestCase.assertTrue; +import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; import static org.mockito.Matchers.any; import static org.mockito.Matchers.anyLong; import static org.mockito.Mockito.doReturn; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.never; +import static org.mockito.Mockito.reset; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import akka.actor.ActorRef; import akka.japi.Procedure; import akka.persistence.SnapshotSelectionCriteria; import akka.testkit.TestActorRef; +import com.google.common.collect.ImmutableMap; import java.util.Arrays; import java.util.HashMap; import java.util.List; @@ -21,9 +25,9 @@ import org.junit.Before; import org.junit.Test; import org.mockito.ArgumentCaptor; import org.mockito.Mock; -import org.mockito.Mockito; import org.mockito.MockitoAnnotations; import org.opendaylight.controller.cluster.DataPersistenceProvider; +import org.opendaylight.controller.cluster.raft.SnapshotManager.LastAppliedTermInformationReader; import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot; import org.opendaylight.controller.cluster.raft.base.messages.SendInstallSnapshot; import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior; @@ -67,6 +71,10 @@ public class SnapshotManagerTest extends AbstractActorTest { doReturn("123").when(mockRaftActorContext).getId(); doReturn("123").when(mockRaftActorBehavior).getLeaderId(); + ElectionTerm mockElectionTerm = mock(ElectionTerm.class); + doReturn(mockElectionTerm).when(mockRaftActorContext).getTermInformation(); + doReturn(5L).when(mockElectionTerm).getCurrentTerm(); + snapshotManager = new SnapshotManager(mockRaftActorContext, LoggerFactory.getLogger(this.getClass())); factory = new TestActorFactory(getSystem()); @@ -90,7 +98,7 @@ public class SnapshotManagerTest extends AbstractActorTest { // Force capturing toInstall = true snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(1, 0, - new MockRaftActorContext.MockPayload()), 0); + new MockRaftActorContext.MockPayload()), 0, "follower-1"); assertEquals(true, snapshotManager.isCapturing()); @@ -112,9 +120,11 @@ public class SnapshotManagerTest extends AbstractActorTest { @Test public void testCapture(){ - snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, + boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, new MockRaftActorContext.MockPayload()), 9); + assertTrue(capture); + assertEquals(true, snapshotManager.isCapturing()); CaptureSnapshot captureSnapshot = MessageCollectorActor.expectFirstMatching(actorRef, CaptureSnapshot.class); @@ -136,17 +146,21 @@ public class SnapshotManagerTest extends AbstractActorTest { @Test public void testIllegalCapture() throws Exception { - snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, + boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, new MockRaftActorContext.MockPayload()), 9); + assertTrue(capture); + List allMatching = MessageCollectorActor.getAllMatching(actorRef, CaptureSnapshot.class); assertEquals(1, allMatching.size()); // This will not cause snapshot capture to start again - snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, + capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, new MockRaftActorContext.MockPayload()), 9); + assertFalse(capture); + allMatching = MessageCollectorActor.getAllMatching(actorRef, CaptureSnapshot.class); assertEquals(1, allMatching.size()); @@ -154,33 +168,44 @@ public class SnapshotManagerTest extends AbstractActorTest { @Test public void testPersistWhenReplicatedToAllIndexMinusOne(){ - doReturn("123").when(mockRaftActorContext).getId(); - doReturn(45L).when(mockReplicatedLog).getSnapshotIndex(); - doReturn(6L).when(mockReplicatedLog).getSnapshotTerm(); + doReturn(7L).when(mockReplicatedLog).getSnapshotIndex(); + doReturn(1L).when(mockReplicatedLog).getSnapshotTerm(); + + doReturn(ImmutableMap.builder().put("follower-1", "").build()).when(mockRaftActorContext).getPeerAddresses(); + + doReturn(8L).when(mockRaftActorContext).getLastApplied(); + + MockRaftActorContext.MockReplicatedLogEntry lastLogEntry = new MockRaftActorContext.MockReplicatedLogEntry( + 3L, 9L, new MockRaftActorContext.MockPayload()); + + MockRaftActorContext.MockReplicatedLogEntry lastAppliedEntry = new MockRaftActorContext.MockReplicatedLogEntry( + 2L, 8L, new MockRaftActorContext.MockPayload()); + + doReturn(lastAppliedEntry).when(mockReplicatedLog).get(8L); + doReturn(Arrays.asList(lastLogEntry)).when(mockReplicatedLog).getFrom(9L); // when replicatedToAllIndex = -1 - snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(6,9, - new MockRaftActorContext.MockPayload()), -1); + snapshotManager.capture(lastLogEntry, -1); snapshotManager.create(mockProcedure); byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10}; - snapshotManager.persist(mockDataPersistenceProvider, bytes, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, bytes, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); ArgumentCaptor snapshotArgumentCaptor = ArgumentCaptor.forClass(Snapshot.class); verify(mockDataPersistenceProvider).saveSnapshot(snapshotArgumentCaptor.capture()); Snapshot snapshot = snapshotArgumentCaptor.getValue(); - assertEquals(6, snapshot.getLastAppliedTerm()); - assertEquals(9, snapshot.getLastAppliedIndex()); - assertEquals(9, snapshot.getLastIndex()); - assertEquals(6, snapshot.getLastTerm()); - assertEquals(10, snapshot.getState().length); - assertTrue(Arrays.equals(bytes, snapshot.getState())); - assertEquals(0, snapshot.getUnAppliedEntries().size()); + assertEquals("getLastTerm", 3L, snapshot.getLastTerm()); + assertEquals("getLastIndex", 9L, snapshot.getLastIndex()); + assertEquals("getLastAppliedTerm", 2L, snapshot.getLastAppliedTerm()); + assertEquals("getLastAppliedIndex", 8L, snapshot.getLastAppliedIndex()); + assertArrayEquals("getState", bytes, snapshot.getState()); + assertEquals("getUnAppliedEntries", Arrays.asList(lastLogEntry), snapshot.getUnAppliedEntries()); - verify(mockReplicatedLog).snapshotPreCommit(45L, 6L); + verify(mockReplicatedLog).snapshotPreCommit(7L, 1L); } @@ -193,6 +218,8 @@ public class SnapshotManagerTest extends AbstractActorTest { snapshotManager.create(mockProcedure); verify(mockProcedure).apply(null); + + assertEquals("isCapturing", true, snapshotManager.isCapturing()); } @Test @@ -225,9 +252,10 @@ public class SnapshotManagerTest extends AbstractActorTest { verify(mockProcedure, times(1)).apply(null); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); - Mockito.reset(mockProcedure); + reset(mockProcedure); snapshotManager.create(mockProcedure); @@ -249,9 +277,21 @@ public class SnapshotManagerTest extends AbstractActorTest { snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10}; + snapshotManager.persist(mockDataPersistenceProvider, bytes, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); - verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class)); + ArgumentCaptor snapshotArgumentCaptor = ArgumentCaptor.forClass(Snapshot.class); + verify(mockDataPersistenceProvider).saveSnapshot(snapshotArgumentCaptor.capture()); + + Snapshot snapshot = snapshotArgumentCaptor.getValue(); + + assertEquals("getLastTerm", 6L, snapshot.getLastTerm()); + assertEquals("getLastIndex", 9L, snapshot.getLastIndex()); + assertEquals("getLastAppliedTerm", 6L, snapshot.getLastAppliedTerm()); + assertEquals("getLastAppliedIndex", 9L, snapshot.getLastAppliedIndex()); + assertArrayEquals("getState", bytes, snapshot.getState()); + assertEquals("getUnAppliedEntries size", 0, snapshot.getUnAppliedEntries().size()); verify(mockReplicatedLog).snapshotPreCommit(9L, 6L); @@ -269,13 +309,12 @@ public class SnapshotManagerTest extends AbstractActorTest { snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class)); verify(mockReplicatedLog).snapshotPreCommit(9L, 6L); - - verify(mockRaftActorBehavior).setReplicatedToAllIndex(-1); } @Test @@ -283,14 +322,17 @@ public class SnapshotManagerTest extends AbstractActorTest { doReturn(Integer.MAX_VALUE).when(mockReplicatedLog).dataSize(); // when replicatedToAllIndex = -1 - snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + boolean capture = snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, + new MockRaftActorContext.MockPayload()), -1, "follower-1"); + + assertTrue(capture); snapshotManager.create(mockProcedure); byte[] bytes = new byte[] {1,2,3,4,5,6,7,8,9,10}; - snapshotManager.persist(mockDataPersistenceProvider, bytes, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, bytes, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class)); @@ -308,7 +350,8 @@ public class SnapshotManagerTest extends AbstractActorTest { @Test public void testCallingPersistWithoutCaptureWillDoNothing(){ - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); verify(mockDataPersistenceProvider, never()).saveSnapshot(any(Snapshot.class)); @@ -322,13 +365,15 @@ public class SnapshotManagerTest extends AbstractActorTest { // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); verify(mockDataPersistenceProvider).saveSnapshot(any(Snapshot.class)); @@ -341,11 +386,12 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testCommit(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); snapshotManager.commit(mockDataPersistenceProvider, 100L); @@ -366,7 +412,7 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testCommitBeforePersist(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.commit(mockDataPersistenceProvider, 100L); @@ -394,11 +440,12 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testCallingCommitMultipleTimesCausesNoHarm(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); snapshotManager.commit(mockDataPersistenceProvider, 100L); @@ -415,11 +462,12 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testRollback(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); snapshotManager.rollback(); @@ -431,7 +479,7 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testRollbackBeforePersist(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.rollback(); @@ -449,11 +497,12 @@ public class SnapshotManagerTest extends AbstractActorTest { public void testCallingRollbackMultipleTimesCausesNoHarm(){ // when replicatedToAllIndex = -1 snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(6, 9, - new MockRaftActorContext.MockPayload()), -1); + new MockRaftActorContext.MockPayload()), -1, "follower-1"); snapshotManager.create(mockProcedure); - snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior); + snapshotManager.persist(mockDataPersistenceProvider, new byte[]{}, mockRaftActorBehavior + , Runtime.getRuntime().totalMemory()); snapshotManager.rollback(); @@ -463,39 +512,91 @@ public class SnapshotManagerTest extends AbstractActorTest { } @Test - public void testTrimLog(){ - ElectionTerm mockElectionTerm = mock(ElectionTerm.class); - ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); + public void testTrimLogWhenTrimIndexLessThanLastApplied() { doReturn(20L).when(mockRaftActorContext).getLastApplied(); + + ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); doReturn(true).when(mockReplicatedLog).isPresent(10); - doReturn(mockElectionTerm).when(mockRaftActorContext).getTermInformation(); - doReturn(5L).when(mockElectionTerm).getCurrentTerm(); doReturn(replicatedLogEntry).when((mockReplicatedLog)).get(10); doReturn(5L).when(replicatedLogEntry).getTerm(); - snapshotManager.trimLog(10); + long retIndex = snapshotManager.trimLog(10, mockRaftActorBehavior); + assertEquals("return index", 10L, retIndex); verify(mockReplicatedLog).snapshotPreCommit(10, 5); verify(mockReplicatedLog).snapshotCommit(); + + verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong()); + } + + @Test + public void testTrimLogWhenLastAppliedNotSet() { + doReturn(-1L).when(mockRaftActorContext).getLastApplied(); + + ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); + doReturn(true).when(mockReplicatedLog).isPresent(10); + doReturn(replicatedLogEntry).when((mockReplicatedLog)).get(10); + doReturn(5L).when(replicatedLogEntry).getTerm(); + + long retIndex = snapshotManager.trimLog(10, mockRaftActorBehavior); + assertEquals("return index", -1L, retIndex); + + verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong()); + verify(mockReplicatedLog, never()).snapshotCommit(); + + verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong()); + } + + @Test + public void testTrimLogWhenLastAppliedZero() { + doReturn(0L).when(mockRaftActorContext).getLastApplied(); + + ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); + doReturn(true).when(mockReplicatedLog).isPresent(10); + doReturn(replicatedLogEntry).when((mockReplicatedLog)).get(10); + doReturn(5L).when(replicatedLogEntry).getTerm(); + + long retIndex = snapshotManager.trimLog(10, mockRaftActorBehavior); + assertEquals("return index", -1L, retIndex); + + verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong()); + verify(mockReplicatedLog, never()).snapshotCommit(); + + verify(mockRaftActorBehavior, never()).setReplicatedToAllIndex(anyLong()); + } + + @Test + public void testTrimLogWhenTrimIndexNotPresent() { + doReturn(20L).when(mockRaftActorContext).getLastApplied(); + + doReturn(false).when(mockReplicatedLog).isPresent(10); + + long retIndex = snapshotManager.trimLog(10, mockRaftActorBehavior); + assertEquals("return index", -1L, retIndex); + + verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong()); + verify(mockReplicatedLog, never()).snapshotCommit(); + + // Trim index is greater than replicatedToAllIndex so should update it. + verify(mockRaftActorBehavior).setReplicatedToAllIndex(10L); } @Test public void testTrimLogAfterCapture(){ - snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, + boolean capture = snapshotManager.capture(new MockRaftActorContext.MockReplicatedLogEntry(1,9, new MockRaftActorContext.MockPayload()), 9); + assertTrue(capture); + assertEquals(true, snapshotManager.isCapturing()); - ElectionTerm mockElectionTerm = mock(ElectionTerm.class); ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); doReturn(20L).when(mockRaftActorContext).getLastApplied(); doReturn(true).when(mockReplicatedLog).isPresent(10); - doReturn(mockElectionTerm).when(mockRaftActorContext).getTermInformation(); - doReturn(5L).when(mockElectionTerm).getCurrentTerm(); doReturn(replicatedLogEntry).when((mockReplicatedLog)).get(10); doReturn(5L).when(replicatedLogEntry).getTerm(); - snapshotManager.trimLog(10); + snapshotManager.trimLog(10, mockRaftActorBehavior); verify(mockReplicatedLog, never()).snapshotPreCommit(anyLong(), anyLong()); verify(mockReplicatedLog, never()).snapshotCommit(); @@ -504,25 +605,68 @@ public class SnapshotManagerTest extends AbstractActorTest { @Test public void testTrimLogAfterCaptureToInstall(){ - snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(1,9, - new MockRaftActorContext.MockPayload()), 9); + boolean capture = snapshotManager.captureToInstall(new MockRaftActorContext.MockReplicatedLogEntry(1,9, + new MockRaftActorContext.MockPayload()), 9, "follower-1"); + + assertTrue(capture); assertEquals(true, snapshotManager.isCapturing()); - ElectionTerm mockElectionTerm = mock(ElectionTerm.class); ReplicatedLogEntry replicatedLogEntry = mock(ReplicatedLogEntry.class); doReturn(20L).when(mockRaftActorContext).getLastApplied(); doReturn(true).when(mockReplicatedLog).isPresent(10); - doReturn(mockElectionTerm).when(mockRaftActorContext).getTermInformation(); - doReturn(5L).when(mockElectionTerm).getCurrentTerm(); doReturn(replicatedLogEntry).when((mockReplicatedLog)).get(10); doReturn(5L).when(replicatedLogEntry).getTerm(); - snapshotManager.trimLog(10); + snapshotManager.trimLog(10, mockRaftActorBehavior); verify(mockReplicatedLog, never()).snapshotPreCommit(10, 5); verify(mockReplicatedLog, never()).snapshotCommit(); } + @Test + public void testLastAppliedTermInformationReader() { + + LastAppliedTermInformationReader reader = new LastAppliedTermInformationReader(); + + doReturn(4L).when(mockReplicatedLog).getSnapshotTerm(); + doReturn(7L).when(mockReplicatedLog).getSnapshotIndex(); + + ReplicatedLogEntry lastLogEntry = new MockRaftActorContext.MockReplicatedLogEntry(6L, 9L, + new MockRaftActorContext.MockPayload()); + + // No followers and valid lastLogEntry + reader.init(mockReplicatedLog, 1L, lastLogEntry, false); + + assertEquals("getTerm", 6L, reader.getTerm()); + assertEquals("getIndex", 9L, reader.getIndex()); + + // No followers and null lastLogEntry + reader.init(mockReplicatedLog, 1L, null, false); + + assertEquals("getTerm", -1L, reader.getTerm()); + assertEquals("getIndex", -1L, reader.getIndex()); + + // Followers and valid originalIndex entry + doReturn(new MockRaftActorContext.MockReplicatedLogEntry(5L, 8L, + new MockRaftActorContext.MockPayload())).when(mockReplicatedLog).get(8L); + reader.init(mockReplicatedLog, 8L, lastLogEntry, true); + + assertEquals("getTerm", 5L, reader.getTerm()); + assertEquals("getIndex", 8L, reader.getIndex()); + + // Followers and null originalIndex entry and valid snapshot index + reader.init(mockReplicatedLog, 7L, lastLogEntry, true); + + assertEquals("getTerm", 4L, reader.getTerm()); + assertEquals("getIndex", 7L, reader.getIndex()); + + // Followers and null originalIndex entry and invalid snapshot index + doReturn(-1L).when(mockReplicatedLog).getSnapshotIndex(); + reader.init(mockReplicatedLog, 7L, lastLogEntry, true); + + assertEquals("getTerm", -1L, reader.getTerm()); + assertEquals("getIndex", -1L, reader.getIndex()); + } } \ No newline at end of file