+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.datastore;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import akka.actor.Terminated;
+import akka.dispatch.ExecutionContexts;
+import akka.dispatch.Futures;
+import akka.testkit.JavaTestKit;
+import akka.util.Timeout;
+import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.Uninterruptibles;
+import java.util.concurrent.TimeUnit;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
+import org.opendaylight.controller.cluster.datastore.messages.CloseDataTreeChangeListenerRegistration;
+import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
+import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
+import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterDataTreeChangeListener;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterDataTreeChangeListenerReply;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
+import org.opendaylight.controller.cluster.datastore.utils.DoNothingActor;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import scala.concurrent.ExecutionContextExecutor;
+import scala.concurrent.Future;
+import scala.concurrent.duration.FiniteDuration;
+
+public class DataTreeChangeListenerProxyTest extends AbstractActorTest {
+ @SuppressWarnings("unchecked")
+ private final DOMDataTreeChangeListener mockListener = mock(DOMDataTreeChangeListener.class);
+
+ @Test(timeout=10000)
+ public void testSuccessfulRegistration() {
+ new JavaTestKit(getSystem()) {{
+ ActorContext actorContext = new ActorContext(getSystem(), getRef(),
+ mock(ClusterWrapper.class), mock(Configuration.class));
+
+ final DataTreeChangeListenerProxy<DOMDataTreeChangeListener> proxy =
+ new DataTreeChangeListenerProxy<>(actorContext, mockListener);
+
+ final YangInstanceIdentifier path = YangInstanceIdentifier.of(TestModel.TEST_QNAME);
+ new Thread() {
+ @Override
+ public void run() {
+ proxy.init("shard-1", path);
+ }
+
+ }.start();
+
+ FiniteDuration timeout = duration("5 seconds");
+ FindLocalShard findLocalShard = expectMsgClass(timeout, FindLocalShard.class);
+ Assert.assertEquals("getShardName", "shard-1", findLocalShard.getShardName());
+
+ reply(new LocalShardFound(getRef()));
+
+ RegisterDataTreeChangeListener registerMsg = expectMsgClass(timeout, RegisterDataTreeChangeListener.class);
+ Assert.assertEquals("getPath", path, registerMsg.getPath());
+
+ reply(new RegisterDataTreeChangeListenerReply(getRef()));
+
+
+ for(int i = 0; (i < 20 * 5) && proxy.getListenerRegistrationActor() == null; i++) {
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
+
+ Assert.assertEquals("getListenerRegistrationActor", getSystem().actorSelection(getRef().path()),
+ proxy.getListenerRegistrationActor());
+
+ watch(proxy.getDataChangeListenerActor());
+
+ proxy.close();
+
+ // The listener registration actor should get a Close message
+ expectMsgClass(timeout, CloseDataTreeChangeListenerRegistration.class);
+
+ // The DataChangeListener actor should be terminated
+ expectMsgClass(timeout, Terminated.class);
+
+ proxy.close();
+
+ expectNoMsg();
+ }};
+ }
+
+ @Test(timeout=10000)
+ public void testLocalShardNotFound() {
+ new JavaTestKit(getSystem()) {{
+ ActorContext actorContext = new ActorContext(getSystem(), getRef(),
+ mock(ClusterWrapper.class), mock(Configuration.class));
+
+ final DataTreeChangeListenerProxy<DOMDataTreeChangeListener> proxy =
+ new DataTreeChangeListenerProxy<>(actorContext, mockListener);
+
+ final YangInstanceIdentifier path = YangInstanceIdentifier.of(TestModel.TEST_QNAME);
+ new Thread() {
+ @Override
+ public void run() {
+ proxy.init("shard-1", path);
+ }
+
+ }.start();
+
+ FiniteDuration timeout = duration("5 seconds");
+ FindLocalShard findLocalShard = expectMsgClass(timeout, FindLocalShard.class);
+ Assert.assertEquals("getShardName", "shard-1", findLocalShard.getShardName());
+
+ reply(new LocalShardNotFound("shard-1"));
+
+ expectNoMsg(duration("1 seconds"));
+ }};
+ }
+
+ @Test(timeout=10000)
+ public void testLocalShardNotInitialized() {
+ new JavaTestKit(getSystem()) {{
+ ActorContext actorContext = new ActorContext(getSystem(), getRef(),
+ mock(ClusterWrapper.class), mock(Configuration.class));
+
+ final DataTreeChangeListenerProxy<DOMDataTreeChangeListener> proxy =
+ new DataTreeChangeListenerProxy<>(actorContext, mockListener);
+
+ final YangInstanceIdentifier path = YangInstanceIdentifier.of(TestModel.TEST_QNAME);
+ new Thread() {
+ @Override
+ public void run() {
+ proxy.init("shard-1", path);
+ }
+
+ }.start();
+
+ FiniteDuration timeout = duration("5 seconds");
+ FindLocalShard findLocalShard = expectMsgClass(timeout, FindLocalShard.class);
+ Assert.assertEquals("getShardName", "shard-1", findLocalShard.getShardName());
+
+ reply(new NotInitializedException("not initialized"));
+
+ new Within(duration("1 seconds")) {
+ @Override
+ protected void run() {
+ expectNoMsg();
+ }
+ };
+ }};
+ }
+
+ @Test
+ public void testFailedRegistration() {
+ new JavaTestKit(getSystem()) {{
+ ActorSystem mockActorSystem = mock(ActorSystem.class);
+
+ ActorRef mockActor = getSystem().actorOf(Props.create(DoNothingActor.class),
+ "testFailedRegistration");
+ doReturn(mockActor).when(mockActorSystem).actorOf(any(Props.class));
+ ExecutionContextExecutor executor = ExecutionContexts.fromExecutor(
+ MoreExecutors.sameThreadExecutor());
+
+
+ ActorContext actorContext = mock(ActorContext.class);
+ final YangInstanceIdentifier path = YangInstanceIdentifier.of(TestModel.TEST_QNAME);
+
+ doReturn(executor).when(actorContext).getClientDispatcher();
+ doReturn(mockActorSystem).when(actorContext).getActorSystem();
+
+ String shardName = "shard-1";
+ final DataTreeChangeListenerProxy<DOMDataTreeChangeListener> proxy =
+ new DataTreeChangeListenerProxy<>(actorContext, mockListener);
+
+ doReturn(duration("5 seconds")).when(actorContext).getOperationDuration();
+ doReturn(Futures.successful(getRef())).when(actorContext).findLocalShardAsync(eq(shardName));
+ doReturn(Futures.failed(new RuntimeException("mock"))).
+ when(actorContext).executeOperationAsync(any(ActorRef.class),
+ any(Object.class), any(Timeout.class));
+ doReturn(mock(DatastoreContext.class)).when(actorContext).getDatastoreContext();
+
+ proxy.init("shard-1", path);
+
+ Assert.assertEquals("getListenerRegistrationActor", null,
+ proxy.getListenerRegistrationActor());
+ }};
+ }
+
+ @Test
+ public void testCloseBeforeRegistration() {
+ new JavaTestKit(getSystem()) {{
+ ActorContext actorContext = mock(ActorContext.class);
+
+ String shardName = "shard-1";
+
+ doReturn(DatastoreContext.newBuilder().build()).when(actorContext).getDatastoreContext();
+ doReturn(getSystem().dispatchers().defaultGlobalDispatcher()).when(actorContext).getClientDispatcher();
+ doReturn(getSystem()).when(actorContext).getActorSystem();
+ doReturn(Dispatchers.DEFAULT_DISPATCHER_PATH).when(actorContext).getNotificationDispatcherPath();
+ doReturn(getSystem().actorSelection(getRef().path())).
+ when(actorContext).actorSelection(getRef().path());
+ doReturn(duration("5 seconds")).when(actorContext).getOperationDuration();
+ doReturn(Futures.successful(getRef())).when(actorContext).findLocalShardAsync(eq(shardName));
+
+ final DataTreeChangeListenerProxy<DOMDataTreeChangeListener> proxy =
+ new DataTreeChangeListenerProxy<>(actorContext, mockListener);
+
+
+ Answer<Future<Object>> answer = new Answer<Future<Object>>() {
+ @Override
+ public Future<Object> answer(InvocationOnMock invocation) {
+ proxy.close();
+ return Futures.successful((Object)new RegisterDataTreeChangeListenerReply(getRef()));
+ }
+ };
+
+ doAnswer(answer).when(actorContext).executeOperationAsync(any(ActorRef.class),
+ any(Object.class), any(Timeout.class));
+
+ proxy.init(shardName, YangInstanceIdentifier.of(TestModel.TEST_QNAME));
+
+ expectMsgClass(duration("5 seconds"), CloseDataTreeChangeListenerRegistration.class);
+
+ Assert.assertEquals("getListenerRegistrationActor", null,
+ proxy.getListenerRegistrationActor());
+ }};
+ }
+}