BUG 2584 : Block Datastore creation till Shards are ready

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / ShardTest.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTest.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTest.java
index 1ebd1b91dd474bf14ce0c5d9c32a9eb8cce64d84..7dfbd668b811231b4b32edd76a04987c671aba99 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTest.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTest.java
@@ -32,6 +32,7 @@ import com.google.common.util.concurrent.Uninterruptibles;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
@@ -69,8 +70,11 @@ import org.opendaylight.controller.cluster.datastore.modification.WriteModificat
 import org.opendaylight.controller.cluster.datastore.node.NormalizedNodeToNodeCodec;
 import org.opendaylight.controller.cluster.datastore.utils.InMemoryJournal;
 import org.opendaylight.controller.cluster.datastore.utils.InMemorySnapshotStore;
+import org.opendaylight.controller.cluster.datastore.utils.MessageCollectorActor;
 import org.opendaylight.controller.cluster.datastore.utils.MockDataChangeListener;
 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
+import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
+import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListenerReply;
 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
 import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
 import org.opendaylight.controller.cluster.raft.Snapshot;
@@ -1591,6 +1595,33 @@ public class ShardTest extends AbstractActorTest {
         }};
     }
 
+    @Test
+    public void testRegisterRoleChangeListener() throws Exception {
+        new ShardTestKit(getSystem()) {
+            {
+                final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+                        newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+                        "testRegisterRoleChangeListener");
+
+                waitUntilLeader(shard);
+
+                TestActorRef<MessageCollectorActor> listener =
+                        TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class));
+
+                shard.tell(new RegisterRoleChangeListener(), listener);
+
+                // TODO: MessageCollectorActor exists as a test util in both the akka-raft and distributed-datastore
+                // projects. Need to move it to commons as a regular utility and then we can get rid of this arbitrary
+                // sleep.
+                Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+
+                List<Object> allMatching = MessageCollectorActor.getAllMatching(listener, RegisterRoleChangeListenerReply.class);
+
+                assertEquals(1, allMatching.size());
+            }};
+    }
+
+
     private NormalizedNode<?, ?> readStore(final InMemoryDOMDataStore store) throws ReadFailedException {
         DOMStoreReadTransaction transaction = store.newReadOnlyTransaction();
         CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read =