BUG 2773 : Transition Shard to Leader state when it has no peers
[controller.git] / opendaylight / md-sal / sal-akka-raft / src / test / java / org / opendaylight / controller / cluster / raft / behaviors / FollowerTest.java
index 75509bae51573a422fac7594af79788ce63ad79a..26e43648787530c8911bf2139a035df11224f768 100644 (file)
@@ -12,11 +12,13 @@ import static org.mockito.Mockito.verify;
 import akka.actor.ActorRef;
 import akka.actor.Props;
 import akka.testkit.TestActorRef;
+import com.google.common.base.Stopwatch;
 import com.google.protobuf.ByteString;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Test;
@@ -755,6 +757,21 @@ public class FollowerTest extends AbstractRaftActorBehaviorTest {
         assertNull("Expected null SnapshotTracker", ((Follower) follower).getSnapshotTracker());
     }
 
+    @Test
+    public void testFollowerSchedulesElectionTimeoutImmediatelyWhenItHasNoPeers(){
+        MockRaftActorContext context = createActorContext();
+
+        Stopwatch stopwatch = Stopwatch.createStarted();
+
+        follower = createBehavior(context);
+
+        MessageCollectorActor.expectFirstMatching(followerActor, ElectionTimeout.class);
+
+        long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
+
+        assertTrue(elapsed < context.getConfigParams().getElectionTimeOutInterval().toMillis());
+    }
+
     public ByteString getNextChunk (ByteString bs, int offset, int chunkSize){
         int snapshotLength = bs.size();
         int start = offset;