opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/DataChangeListenerTest.java

   1 /*
   2  * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.datastore;
  10
  11 import akka.actor.ActorRef;
  12 import akka.actor.DeadLetter;
  13 import akka.actor.Props;
  14 import akka.testkit.JavaTestKit;
  15 import org.junit.Assert;
  16 import org.junit.Test;
  17 import org.mockito.Mockito;
  18 import org.opendaylight.controller.cluster.datastore.messages.DataChanged;
  19 import org.opendaylight.controller.cluster.datastore.messages.DataChangedReply;
  20 import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
  21 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  23
  24 public class DataChangeListenerTest extends AbstractActorTest {
  25
  26     @SuppressWarnings({ "rawtypes", "unchecked" })
  27     @Test
  28     public void testDataChangedWhenNotificationsAreEnabled() {
  29         new JavaTestKit(getSystem()) {
  30             {
  31                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  32                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  33                 final Props props = DataChangeListener.props(mockListener);
  34                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsEnabled");
  35
  36                 // Let the DataChangeListener know that notifications should be
  37                 // enabled
  38                 subject.tell(new EnableNotification(true), getRef());
  39
  40                 subject.tell(new DataChanged(mockChangeEvent), getRef());
  41
  42                 expectMsgClass(DataChangedReply.class);
  43
  44                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent);
  45             }
  46         };
  47     }
  48
  49     @SuppressWarnings({ "rawtypes", "unchecked" })
  50     @Test
  51     public void testDataChangedWhenNotificationsAreDisabled() {
  52         new JavaTestKit(getSystem()) {
  53             {
  54                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  55                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  56                 final Props props = DataChangeListener.props(mockListener);
  57                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsDisabled");
  58
  59                 subject.tell(new DataChanged(mockChangeEvent), getRef());
  60
  61                 new Within(duration("1 seconds")) {
  62                     @Override
  63                     protected void run() {
  64                         expectNoMsg();
  65
  66                         Mockito.verify(mockListener, Mockito.never())
  67                                 .onDataChanged(Mockito.any(AsyncDataChangeEvent.class));
  68                     }
  69                 };
  70             }
  71         };
  72     }
  73
  74     @SuppressWarnings({ "rawtypes", "unchecked" })
  75     @Test
  76     public void testDataChangedWithNoSender() {
  77         new JavaTestKit(getSystem()) {
  78             {
  79                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  80                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  81                 final Props props = DataChangeListener.props(mockListener);
  82                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedWithNoSender");
  83
  84                 getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  85
  86                 subject.tell(new DataChanged(mockChangeEvent), ActorRef.noSender());
  87
  88                 // Make sure no DataChangedReply is sent to DeadLetters.
  89                 while (true) {
  90                     DeadLetter deadLetter;
  91                     try {
  92                         deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  93                     } catch (AssertionError e) {
  94                         // Timed out - got no DeadLetter - this is good
  95                         break;
  96                     }
  97
  98                     // We may get DeadLetters for other messages we don't care
  99                     // about.
 100                     Assert.assertFalse("Unexpected DataChangedReply", deadLetter.message() instanceof DataChangedReply);
 101                 }
 102             }
 103         };
 104     }
 105
 106     @SuppressWarnings({ "rawtypes", "unchecked" })
 107     @Test
 108     public void testDataChangedWithListenerRuntimeEx() {
 109         new JavaTestKit(getSystem()) {
 110             {
 111                 final AsyncDataChangeEvent mockChangeEvent1 = Mockito.mock(AsyncDataChangeEvent.class);
 112                 final AsyncDataChangeEvent mockChangeEvent2 = Mockito.mock(AsyncDataChangeEvent.class);
 113                 final AsyncDataChangeEvent mockChangeEvent3 = Mockito.mock(AsyncDataChangeEvent.class);
 114
 115                 AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
 116                 Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataChanged(mockChangeEvent2);
 117
 118                 Props props = DataChangeListener.props(mockListener);
 119                 ActorRef subject = getSystem().actorOf(props, "testDataChangedWithListenerRuntimeEx");
 120
 121                 // Let the DataChangeListener know that notifications should be
 122                 // enabled
 123                 subject.tell(new EnableNotification(true), getRef());
 124
 125                 subject.tell(new DataChanged(mockChangeEvent1), getRef());
 126                 expectMsgClass(DataChangedReply.class);
 127
 128                 subject.tell(new DataChanged(mockChangeEvent2), getRef());
 129                 expectMsgClass(DataChangedReply.class);
 130
 131                 subject.tell(new DataChanged(mockChangeEvent3), getRef());
 132                 expectMsgClass(DataChangedReply.class);
 133
 134                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent1);
 135                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent2);
 136                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent3);
 137             }
 138         };
 139     }
 140 }