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

   1 /*
   2  * Copyright (c) 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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import akka.actor.ActorRef;
  11 import akka.actor.DeadLetter;
  12 import akka.actor.Props;
  13 import akka.testkit.JavaTestKit;
  14 import com.google.common.collect.ImmutableList;
  15 import org.junit.Assert;
  16 import org.junit.Test;
  17 import org.mockito.Matchers;
  18 import org.mockito.Mockito;
  19 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChanged;
  20 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChangedReply;
  21 import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
  23 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  24
  25 public class DataTreeChangeListenerActorTest extends AbstractActorTest {
  26
  27     @Test
  28     public void testDataChangedWhenNotificationsAreEnabled(){
  29         new JavaTestKit(getSystem()) {{
  30             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  31             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  32             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  33             final Props props = DataTreeChangeListenerActor.props(mockListener);
  34             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedNotificationsEnabled");
  35
  36             // Let the DataChangeListener know that notifications should be enabled
  37             subject.tell(new EnableNotification(true), getRef());
  38
  39             subject.tell(new DataTreeChanged(mockCandidates),
  40                     getRef());
  41
  42             expectMsgClass(DataTreeChangedReply.class);
  43
  44             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates);
  45         }};
  46     }
  47
  48     @Test
  49     public void testDataChangedWhenNotificationsAreDisabled(){
  50         new JavaTestKit(getSystem()) {{
  51             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  52             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  53             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  54             final Props props = DataTreeChangeListenerActor.props(mockListener);
  55             final ActorRef subject =
  56                     getSystem().actorOf(props, "testDataTreeChangedNotificationsDisabled");
  57
  58             subject.tell(new DataTreeChanged(mockCandidates),
  59                     getRef());
  60
  61             new Within(duration("1 seconds")) {
  62                 @Override
  63                 protected void run() {
  64                     expectNoMsg();
  65
  66                     Mockito.verify(mockListener, Mockito.never()).onDataTreeChanged(
  67                             Matchers.anyCollectionOf(DataTreeCandidate.class));
  68                 }
  69             };
  70         }};
  71     }
  72
  73     @Test
  74     public void testDataChangedWithNoSender(){
  75         new JavaTestKit(getSystem()) {{
  76             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  77             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  78             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  79             final Props props = DataTreeChangeListenerActor.props(mockListener);
  80             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithNoSender");
  81
  82             getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  83
  84             subject.tell(new DataTreeChanged(mockCandidates), ActorRef.noSender());
  85
  86             // Make sure no DataChangedReply is sent to DeadLetters.
  87             while(true) {
  88                 DeadLetter deadLetter;
  89                 try {
  90                     deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  91                 } catch (AssertionError e) {
  92                     // Timed out - got no DeadLetter - this is good
  93                     break;
  94                 }
  95
  96                 // We may get DeadLetters for other messages we don't care about.
  97                 Assert.assertFalse("Unexpected DataTreeChangedReply",
  98                         deadLetter.message() instanceof DataTreeChangedReply);
  99             }
 100         }};
 101     }
 102
 103     @Test
 104     public void testDataChangedWithListenerRuntimeEx(){
 105         new JavaTestKit(getSystem()) {{
 106             final DataTreeCandidate mockTreeCandidate1 = Mockito.mock(DataTreeCandidate.class);
 107             final ImmutableList<DataTreeCandidate> mockCandidates1 = ImmutableList.of(mockTreeCandidate1);
 108             final DataTreeCandidate mockTreeCandidate2 = Mockito.mock(DataTreeCandidate.class);
 109             final ImmutableList<DataTreeCandidate> mockCandidates2 = ImmutableList.of(mockTreeCandidate2);
 110             final DataTreeCandidate mockTreeCandidate3 = Mockito.mock(DataTreeCandidate.class);
 111             final ImmutableList<DataTreeCandidate> mockCandidates3 = ImmutableList.of(mockTreeCandidate3);
 112
 113             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
 114             Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataTreeChanged(mockCandidates2);
 115
 116             Props props = DataTreeChangeListenerActor.props(mockListener);
 117             ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithListenerRuntimeEx");
 118
 119             // Let the DataChangeListener know that notifications should be enabled
 120             subject.tell(new EnableNotification(true), getRef());
 121
 122             subject.tell(new DataTreeChanged(mockCandidates1),getRef());
 123             expectMsgClass(DataTreeChangedReply.class);
 124
 125             subject.tell(new DataTreeChanged(mockCandidates2),getRef());
 126             expectMsgClass(DataTreeChangedReply.class);
 127
 128             subject.tell(new DataTreeChanged(mockCandidates3),getRef());
 129             expectMsgClass(DataTreeChangedReply.class);
 130
 131             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates1);
 132             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates2);
 133             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates3);
 134         }};
 135     }
 136 }