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     @SuppressWarnings({ "rawtypes", "unchecked" })
  28     @Test
  29     public void testDataChangedWhenNotificationsAreEnabled(){
  30         new JavaTestKit(getSystem()) {{
  31             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  32             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  33             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  34             final Props props = DataTreeChangeListenerActor.props(mockListener);
  35             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedNotificationsEnabled");
  36
  37             // Let the DataChangeListener know that notifications should be enabled
  38             subject.tell(new EnableNotification(true), getRef());
  39
  40             subject.tell(new DataTreeChanged(mockCandidates),
  41                     getRef());
  42
  43             expectMsgClass(DataTreeChangedReply.class);
  44
  45             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates);
  46         }};
  47     }
  48
  49     @SuppressWarnings({ "rawtypes", "unchecked" })
  50     @Test
  51     public void testDataChangedWhenNotificationsAreDisabled(){
  52         new JavaTestKit(getSystem()) {{
  53             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  54             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  55             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  56             final Props props = DataTreeChangeListenerActor.props(mockListener);
  57             final ActorRef subject =
  58                     getSystem().actorOf(props, "testDataTreeChangedNotificationsDisabled");
  59
  60             subject.tell(new DataTreeChanged(mockCandidates),
  61                     getRef());
  62
  63             new Within(duration("1 seconds")) {
  64                 @Override
  65                 protected void run() {
  66                     expectNoMsg();
  67
  68                     Mockito.verify(mockListener, Mockito.never()).onDataTreeChanged(
  69                             Matchers.anyCollectionOf(DataTreeCandidate.class));
  70                 }
  71             };
  72         }};
  73     }
  74
  75     @SuppressWarnings({ "rawtypes", "unchecked" })
  76     @Test
  77     public void testDataChangedWithNoSender(){
  78         new JavaTestKit(getSystem()) {{
  79             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  80             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  81             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  82             final Props props = DataTreeChangeListenerActor.props(mockListener);
  83             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithNoSender");
  84
  85             getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  86
  87             subject.tell(new DataTreeChanged(mockCandidates), ActorRef.noSender());
  88
  89             // Make sure no DataChangedReply is sent to DeadLetters.
  90             while(true) {
  91                 DeadLetter deadLetter;
  92                 try {
  93                     deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  94                 } catch (AssertionError e) {
  95                     // Timed out - got no DeadLetter - this is good
  96                     break;
  97                 }
  98
  99                 // We may get DeadLetters for other messages we don't care about.
 100                 Assert.assertFalse("Unexpected DataTreeChangedReply",
 101                         deadLetter.message() instanceof DataTreeChangedReply);
 102             }
 103         }};
 104     }
 105
 106     @SuppressWarnings({ "rawtypes", "unchecked" })
 107     @Test
 108     public void testDataChangedWithListenerRuntimeEx(){
 109         new JavaTestKit(getSystem()) {{
 110             final DataTreeCandidate mockTreeCandidate1 = Mockito.mock(DataTreeCandidate.class);
 111             final ImmutableList<DataTreeCandidate> mockCandidates1 = ImmutableList.of(mockTreeCandidate1);
 112             final DataTreeCandidate mockTreeCandidate2 = Mockito.mock(DataTreeCandidate.class);
 113             final ImmutableList<DataTreeCandidate> mockCandidates2 = ImmutableList.of(mockTreeCandidate2);
 114             final DataTreeCandidate mockTreeCandidate3 = Mockito.mock(DataTreeCandidate.class);
 115             final ImmutableList<DataTreeCandidate> mockCandidates3 = ImmutableList.of(mockTreeCandidate3);
 116
 117             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
 118             Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataTreeChanged(mockCandidates2);
 119
 120             Props props = DataTreeChangeListenerActor.props(mockListener);
 121             ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithListenerRuntimeEx");
 122
 123             // Let the DataChangeListener know that notifications should be enabled
 124             subject.tell(new EnableNotification(true), getRef());
 125
 126             subject.tell(new DataTreeChanged(mockCandidates1),getRef());
 127             expectMsgClass(DataTreeChangedReply.class);
 128
 129             subject.tell(new DataTreeChanged(mockCandidates2),getRef());
 130             expectMsgClass(DataTreeChangedReply.class);
 131
 132             subject.tell(new DataTreeChanged(mockCandidates3),getRef());
 133             expectMsgClass(DataTreeChangedReply.class);
 134
 135             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates1);
 136             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates2);
 137             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates3);
 138         }};
 139     }
 140 }