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 static org.opendaylight.controller.md.cluster.datastore.model.TestModel.TEST_PATH;
  12
  13 import akka.actor.ActorRef;
  14 import akka.actor.DeadLetter;
  15 import akka.actor.Props;
  16 import akka.testkit.JavaTestKit;
  17 import org.junit.Assert;
  18 import org.junit.Test;
  19 import org.mockito.Mockito;
  20 import org.opendaylight.controller.cluster.datastore.messages.DataChanged;
  21 import org.opendaylight.controller.cluster.datastore.messages.DataChangedReply;
  22 import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
  23 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  24 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  25
  26 public class DataChangeListenerTest extends AbstractActorTest {
  27
  28     @SuppressWarnings({ "rawtypes", "unchecked" })
  29     @Test
  30     public void testDataChangedWhenNotificationsAreEnabled() {
  31         new JavaTestKit(getSystem()) {
  32             {
  33                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  34                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  35                 final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  36                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsEnabled");
  37
  38                 // Let the DataChangeListener know that notifications should be
  39                 // enabled
  40                 subject.tell(new EnableNotification(true), getRef());
  41
  42                 subject.tell(new DataChanged(mockChangeEvent), getRef());
  43
  44                 expectMsgClass(DataChangedReply.class);
  45
  46                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent);
  47             }
  48         };
  49     }
  50
  51     @SuppressWarnings({ "rawtypes", "unchecked" })
  52     @Test
  53     public void testDataChangedWhenNotificationsAreDisabled() {
  54         new JavaTestKit(getSystem()) {
  55             {
  56                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  57                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  58                 final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  59                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsDisabled");
  60
  61                 subject.tell(new DataChanged(mockChangeEvent), getRef());
  62
  63                 new Within(duration("1 seconds")) {
  64                     @Override
  65                     protected void run() {
  66                         expectNoMsg();
  67
  68                         Mockito.verify(mockListener, Mockito.never())
  69                                 .onDataChanged(Mockito.any(AsyncDataChangeEvent.class));
  70                     }
  71                 };
  72             }
  73         };
  74     }
  75
  76     @SuppressWarnings({ "rawtypes", "unchecked" })
  77     @Test
  78     public void testDataChangedWithNoSender() {
  79         new JavaTestKit(getSystem()) {
  80             {
  81                 final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  82                 final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  83                 final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  84                 final ActorRef subject = getSystem().actorOf(props, "testDataChangedWithNoSender");
  85
  86                 getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  87
  88                 subject.tell(new DataChanged(mockChangeEvent), ActorRef.noSender());
  89
  90                 // Make sure no DataChangedReply is sent to DeadLetters.
  91                 while (true) {
  92                     DeadLetter deadLetter;
  93                     try {
  94                         deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  95                     } catch (AssertionError e) {
  96                         // Timed out - got no DeadLetter - this is good
  97                         break;
  98                     }
  99
 100                     // We may get DeadLetters for other messages we don't care
 101                     // about.
 102                     Assert.assertFalse("Unexpected DataChangedReply", deadLetter.message() instanceof DataChangedReply);
 103                 }
 104             }
 105         };
 106     }
 107
 108     @SuppressWarnings({ "rawtypes", "unchecked" })
 109     @Test
 110     public void testDataChangedWithListenerRuntimeEx() {
 111         new JavaTestKit(getSystem()) {
 112             {
 113                 final AsyncDataChangeEvent mockChangeEvent1 = Mockito.mock(AsyncDataChangeEvent.class);
 114                 final AsyncDataChangeEvent mockChangeEvent2 = Mockito.mock(AsyncDataChangeEvent.class);
 115                 final AsyncDataChangeEvent mockChangeEvent3 = Mockito.mock(AsyncDataChangeEvent.class);
 116
 117                 AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
 118                 Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataChanged(mockChangeEvent2);
 119
 120                 Props props = DataChangeListener.props(mockListener, TEST_PATH);
 121                 ActorRef subject = getSystem().actorOf(props, "testDataChangedWithListenerRuntimeEx");
 122
 123                 // Let the DataChangeListener know that notifications should be
 124                 // enabled
 125                 subject.tell(new EnableNotification(true), getRef());
 126
 127                 subject.tell(new DataChanged(mockChangeEvent1), getRef());
 128                 expectMsgClass(DataChangedReply.class);
 129
 130                 subject.tell(new DataChanged(mockChangeEvent2), getRef());
 131                 expectMsgClass(DataChangedReply.class);
 132
 133                 subject.tell(new DataChanged(mockChangeEvent3), getRef());
 134                 expectMsgClass(DataChangedReply.class);
 135
 136                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent1);
 137                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent2);
 138                 Mockito.verify(mockListener).onDataChanged(mockChangeEvent3);
 139             }
 140         };
 141     }
 142 }