+ /**
+ * Reproduces bug <a href="https://bugs.opendaylight.org/show_bug.cgi?id=4554">4554</a>
+ *
+ * @throws CandidateAlreadyRegisteredException
+ */
+ @Test
+ public void testCloseCandidateRegistrationInQuickSuccession() throws CandidateAlreadyRegisteredException {
+ startAllSystems();
+ initDatastores("testCloseCandidateRegistrationInQuickSuccession");
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+ follower1EntityOwnershipService.registerListener(ENTITY_TYPE1, follower1MockListener);
+ follower2EntityOwnershipService.registerListener(ENTITY_TYPE1, follower2MockListener);
+
+ final EntityOwnershipCandidateRegistration candidate1 = leaderEntityOwnershipService.registerCandidate(ENTITY1);
+ final EntityOwnershipCandidateRegistration candidate2 = follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ final EntityOwnershipCandidateRegistration candidate3 = follower2EntityOwnershipService.registerCandidate(ENTITY1);
+
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, true, true));
+
+ Mockito.reset(leaderMockListener);
+
+ candidate1.close();
+ candidate2.close();
+ candidate3.close();
+
+ ArgumentCaptor<EntityOwnershipChange> leaderChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ ArgumentCaptor<EntityOwnershipChange> follower1ChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ ArgumentCaptor<EntityOwnershipChange> follower2ChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ doNothing().when(leaderMockListener).ownershipChanged(leaderChangeCaptor.capture());
+ doNothing().when(follower1MockListener).ownershipChanged(follower1ChangeCaptor.capture());
+ doNothing().when(follower2MockListener).ownershipChanged(follower2ChangeCaptor.capture());
+
+ boolean passed = false;
+ for(int i=0;i<100;i++) {
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ if(!leaderEntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ !follower1EntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ !follower2EntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !leaderChangeCaptor.getValue().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !follower1ChangeCaptor.getValue().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !follower2ChangeCaptor.getValue().hasOwner()) {
+ passed = true;
+ break;
+ }
+ }
+
+ assertTrue("No ownership change message was sent with hasOwner=false", passed);
+ }
+
+ /**
+ * Tests bootstrapping the entity-ownership shard when there's no shards initially configured for local
+ * member. The entity-ownership shard is initially created as inactive (ie remains a follower), requiring
+ * an AddShardReplica request to join it to an existing leader.
+ */
+ @Test
+ public void testEntityOwnershipShardBootstrapping() throws Throwable {
+ startLeaderSystem();
+ startFollower1System();
+ String type = "testEntityOwnershipShardBootstrapping";
+ initLeaderDatastore(type, MODULE_SHARDS_MEMBER_1_CONFIG);
+ initFollower1Datastore(type, MODULE_SHARDS_MEMBER_1_CONFIG);
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1DistributedDataStore.waitTillReady();
+
+ startLeaderService();
+ startFollower1Service();
+
+ leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+
+ // Register a candidate for follower1 - should get queued since follower1 has no leader
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verify(leaderMockListener, timeout(300).never()).ownershipChanged(ownershipChange(ENTITY1));
+
+ // Add replica in follower1
+ AddShardReplica addReplica = new AddShardReplica(ENTITY_OWNERSHIP_SHARD_NAME);
+ follower1DistributedDataStore.getActorContext().getShardManager().tell(addReplica , follower1TestKit.getRef());
+ Object reply = follower1TestKit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), Success.class, Failure.class);
+ if(reply instanceof Failure) {
+ throw ((Failure)reply).cause();
+ }
+
+ // The queued candidate registration should proceed
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1));
+
+ }
+
+ private static void verifyGetOwnershipState(DistributedEntityOwnershipService service, Entity entity,