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

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