Bug 8206: Prevent decr follower next index beyong -1

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / test / java / org / opendaylight / controller / cluster / raft / FollowerLogInformationImplTest.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImplTest.java b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImplTest.java
index 75496f97526d70eeef6fbdb1fd49b8127550b79a..d68339ee8664f445b02a54cc46fb705bb3bf559e 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImplTest.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImplTest.java
@@ -7,13 +7,14 @@
  */
 package org.opendaylight.controller.cluster.raft;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+
 import com.google.common.base.Stopwatch;
 import com.google.common.util.concurrent.Uninterruptibles;
 import java.util.concurrent.TimeUnit;
 import org.junit.Test;
-import org.opendaylight.controller.cluster.raft.FollowerLogInformation.FollowerState;
 import scala.concurrent.duration.FiniteDuration;
 
 public class FollowerLogInformationImplTest {
@@ -30,7 +31,7 @@ public class FollowerLogInformationImplTest {
         context.setConfigParams(configParams);
 
         FollowerLogInformation followerLogInformation =
-                new FollowerLogInformationImpl("follower1", 9, context);
+                new FollowerLogInformationImpl(new PeerInfo("follower1", null, VotingState.VOTING), 9, context);
 
         assertFalse("Follower should be termed inactive before stopwatch starts",
                 followerLogInformation.isFollowerActive());
@@ -63,11 +64,11 @@ public class FollowerLogInformationImplTest {
     }
 
     @Test
-    public void testOkToReplicate(){
+    public void testOkToReplicate() {
         MockRaftActorContext context = new MockRaftActorContext();
+        context.setCommitIndex(0);
         FollowerLogInformation followerLogInformation =
-                new FollowerLogInformationImpl(
-                        "follower1", 10, context);
+                new FollowerLogInformationImpl(new PeerInfo("follower1", null, VotingState.VOTING), 10, context);
 
         assertTrue(followerLogInformation.okToReplicate());
         assertFalse(followerLogInformation.okToReplicate());
@@ -83,19 +84,18 @@ public class FollowerLogInformationImplTest {
 
     @Test
     public void testVotingNotInitializedState() {
+        final PeerInfo peerInfo = new PeerInfo("follower1", null, VotingState.VOTING_NOT_INITIALIZED);
         MockRaftActorContext context = new MockRaftActorContext();
-        FollowerLogInformation followerLogInformation = new FollowerLogInformationImpl("follower1", -1, context);
+        context.setCommitIndex(0);
+        FollowerLogInformation followerLogInformation = new FollowerLogInformationImpl(peerInfo, -1, context);
 
-        followerLogInformation.setFollowerState(FollowerState.VOTING_NOT_INITIALIZED);
         assertFalse(followerLogInformation.okToReplicate());
-        assertFalse(followerLogInformation.canParticipateInConsensus());
 
         followerLogInformation.markFollowerActive();
         assertFalse(followerLogInformation.isFollowerActive());
 
-        followerLogInformation.setFollowerState(FollowerState.VOTING);
+        peerInfo.setVotingState(VotingState.VOTING);
         assertTrue(followerLogInformation.okToReplicate());
-        assertTrue(followerLogInformation.canParticipateInConsensus());
 
         followerLogInformation.markFollowerActive();
         assertTrue(followerLogInformation.isFollowerActive());
@@ -103,14 +103,31 @@ public class FollowerLogInformationImplTest {
 
     @Test
     public void testNonVotingState() {
+        final PeerInfo peerInfo = new PeerInfo("follower1", null, VotingState.NON_VOTING);
         MockRaftActorContext context = new MockRaftActorContext();
-        FollowerLogInformation followerLogInformation = new FollowerLogInformationImpl("follower1", -1, context);
+        context.setCommitIndex(0);
+        FollowerLogInformation followerLogInformation = new FollowerLogInformationImpl(peerInfo, -1, context);
 
-        followerLogInformation.setFollowerState(FollowerState.NON_VOTING);
         assertTrue(followerLogInformation.okToReplicate());
-        assertFalse(followerLogInformation.canParticipateInConsensus());
 
         followerLogInformation.markFollowerActive();
         assertTrue(followerLogInformation.isFollowerActive());
     }
+
+    @Test
+    public void testDecrNextIndex() {
+        MockRaftActorContext context = new MockRaftActorContext();
+        context.setCommitIndex(1);
+        FollowerLogInformation followerLogInformation =
+                new FollowerLogInformationImpl(new PeerInfo("follower1", null, VotingState.VOTING), 1, context);
+
+        assertTrue(followerLogInformation.decrNextIndex());
+        assertEquals("getNextIndex", 0, followerLogInformation.getNextIndex());
+
+        assertTrue(followerLogInformation.decrNextIndex());
+        assertEquals("getNextIndex", -1, followerLogInformation.getNextIndex());
+
+        assertFalse(followerLogInformation.decrNextIndex());
+        assertEquals("getNextIndex", -1, followerLogInformation.getNextIndex());
+    }
 }