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.cluster.datastore.model.CompositeModel;
  22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  23 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25
  26 public class DataChangeListenerTest extends AbstractActorTest {
  27
  28     @SuppressWarnings({ "rawtypes", "unchecked" })
  29     @Test
  30     public void testDataChangedWhenNotificationsAreEnabled(){
  31         new JavaTestKit(getSystem()) {{
  32             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  33             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  34             final Props props = DataChangeListener.props(mockListener);
  35             final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsEnabled");
  36
  37             // Let the DataChangeListener know that notifications should be enabled
  38             subject.tell(new EnableNotification(true), getRef());
  39
  40             subject.tell(new DataChanged(mockChangeEvent),
  41                     getRef());
  42
  43             expectMsgClass(DataChangedReply.class);
  44
  45             Mockito.verify(mockListener).onDataChanged(mockChangeEvent);
  46         }};
  47     }
  48
  49     @SuppressWarnings({ "rawtypes", "unchecked" })
  50     @Test
  51     public void testDataChangedWhenNotificationsAreDisabled(){
  52         new JavaTestKit(getSystem()) {{
  53             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  54             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  55             final Props props = DataChangeListener.props(mockListener);
  56             final ActorRef subject =
  57                 getSystem().actorOf(props, "testDataChangedNotificationsDisabled");
  58
  59             subject.tell(new DataChanged(mockChangeEvent),
  60                     getRef());
  61
  62             new Within(duration("1 seconds")) {
  63                 @Override
  64                 protected void run() {
  65                     expectNoMsg();
  66
  67                     Mockito.verify(mockListener, Mockito.never()).onDataChanged(
  68                             Mockito.any(AsyncDataChangeEvent.class));
  69                 }
  70             };
  71         }};
  72     }
  73
  74     @SuppressWarnings({ "rawtypes", "unchecked" })
  75     @Test
  76     public void testDataChangedWithNoSender(){
  77         new JavaTestKit(getSystem()) {{
  78             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  79             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  80             final Props props = DataChangeListener.props(mockListener);
  81             final ActorRef subject = getSystem().actorOf(props, "testDataChangedWithNoSender");
  82
  83             getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  84
  85             subject.tell(new DataChanged(mockChangeEvent), ActorRef.noSender());
  86
  87             // Make sure no DataChangedReply is sent to DeadLetters.
  88             while(true) {
  89                 DeadLetter deadLetter;
  90                 try {
  91                     deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  92                 } catch (AssertionError e) {
  93                     // Timed out - got no DeadLetter - this is good
  94                     break;
  95                 }
  96
  97                 // We may get DeadLetters for other messages we don't care about.
  98                 Assert.assertFalse("Unexpected DataChangedReply",
  99                         deadLetter.message() instanceof DataChangedReply);
 100             }
 101         }};
 102     }
 103
 104     @SuppressWarnings({ "rawtypes", "unchecked" })
 105     @Test
 106     public void testDataChangedWithListenerRuntimeEx(){
 107         new JavaTestKit(getSystem()) {{
 108             AsyncDataChangeEvent mockChangeEvent1 = Mockito.mock(AsyncDataChangeEvent.class);
 109             AsyncDataChangeEvent mockChangeEvent2 = Mockito.mock(AsyncDataChangeEvent.class);
 110             AsyncDataChangeEvent mockChangeEvent3 = Mockito.mock(AsyncDataChangeEvent.class);
 111
 112             AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
 113             Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataChanged(mockChangeEvent2);
 114
 115             Props props = DataChangeListener.props(mockListener);
 116             ActorRef subject = getSystem().actorOf(props, "testDataChangedWithListenerRuntimeEx");
 117
 118             // Let the DataChangeListener know that notifications should be enabled
 119             subject.tell(new EnableNotification(true), getRef());
 120
 121             SchemaContext schemaContext = CompositeModel.createTestContext();
 122
 123             subject.tell(new DataChanged(mockChangeEvent1),getRef());
 124             expectMsgClass(DataChangedReply.class);
 125
 126             subject.tell(new DataChanged(mockChangeEvent2),getRef());
 127             expectMsgClass(DataChangedReply.class);
 128
 129             subject.tell(new DataChanged(mockChangeEvent3),getRef());
 130             expectMsgClass(DataChangedReply.class);
 131
 132             Mockito.verify(mockListener).onDataChanged(mockChangeEvent1);
 133             Mockito.verify(mockListener).onDataChanged(mockChangeEvent2);
 134             Mockito.verify(mockListener).onDataChanged(mockChangeEvent3);
 135         }};
 136     }
 137 }