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.cluster.datastore.model.CompositeModel;
  24 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  25 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  27
  28 public class DataChangeListenerTest extends AbstractActorTest {
  29
  30     @SuppressWarnings({ "rawtypes", "unchecked" })
  31     @Test
  32     public void testDataChangedWhenNotificationsAreEnabled(){
  33         new JavaTestKit(getSystem()) {{
  34             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  35             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  36             final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  37             final ActorRef subject = getSystem().actorOf(props, "testDataChangedNotificationsEnabled");
  38
  39             // Let the DataChangeListener know that notifications should be enabled
  40             subject.tell(new EnableNotification(true), getRef());
  41
  42             subject.tell(new DataChanged(mockChangeEvent),
  43                     getRef());
  44
  45             expectMsgClass(DataChangedReply.class);
  46
  47             Mockito.verify(mockListener).onDataChanged(mockChangeEvent);
  48         }};
  49     }
  50
  51     @SuppressWarnings({ "rawtypes", "unchecked" })
  52     @Test
  53     public void testDataChangedWhenNotificationsAreDisabled(){
  54         new JavaTestKit(getSystem()) {{
  55             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  56             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  57             final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  58             final ActorRef subject =
  59                 getSystem().actorOf(props, "testDataChangedNotificationsDisabled");
  60
  61             subject.tell(new DataChanged(mockChangeEvent),
  62                     getRef());
  63
  64             new Within(duration("1 seconds")) {
  65                 @Override
  66                 protected void run() {
  67                     expectNoMsg();
  68
  69                     Mockito.verify(mockListener, Mockito.never()).onDataChanged(
  70                             Mockito.any(AsyncDataChangeEvent.class));
  71                 }
  72             };
  73         }};
  74     }
  75
  76     @SuppressWarnings({ "rawtypes", "unchecked" })
  77     @Test
  78     public void testDataChangedWithNoSender(){
  79         new JavaTestKit(getSystem()) {{
  80             final AsyncDataChangeEvent mockChangeEvent = Mockito.mock(AsyncDataChangeEvent.class);
  81             final AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
  82             final Props props = DataChangeListener.props(mockListener, TEST_PATH);
  83             final ActorRef subject = getSystem().actorOf(props, "testDataChangedWithNoSender");
  84
  85             getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  86
  87             subject.tell(new DataChanged(mockChangeEvent), 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 DataChangedReply",
 101                         deadLetter.message() instanceof DataChangedReply);
 102             }
 103         }};
 104     }
 105
 106     @SuppressWarnings({ "rawtypes", "unchecked" })
 107     @Test
 108     public void testDataChangedWithListenerRuntimeEx(){
 109         new JavaTestKit(getSystem()) {{
 110             AsyncDataChangeEvent mockChangeEvent1 = Mockito.mock(AsyncDataChangeEvent.class);
 111             AsyncDataChangeEvent mockChangeEvent2 = Mockito.mock(AsyncDataChangeEvent.class);
 112             AsyncDataChangeEvent mockChangeEvent3 = Mockito.mock(AsyncDataChangeEvent.class);
 113
 114             AsyncDataChangeListener mockListener = Mockito.mock(AsyncDataChangeListener.class);
 115             Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataChanged(mockChangeEvent2);
 116
 117             Props props = DataChangeListener.props(mockListener, TEST_PATH);
 118             ActorRef subject = getSystem().actorOf(props, "testDataChangedWithListenerRuntimeEx");
 119
 120             // Let the DataChangeListener know that notifications should be enabled
 121             subject.tell(new EnableNotification(true), getRef());
 122
 123             SchemaContext schemaContext = CompositeModel.createTestContext();
 124
 125             subject.tell(new DataChanged(mockChangeEvent1),getRef());
 126             expectMsgClass(DataChangedReply.class);
 127
 128             subject.tell(new DataChanged(mockChangeEvent2),getRef());
 129             expectMsgClass(DataChangedReply.class);
 130
 131             subject.tell(new DataChanged(mockChangeEvent3),getRef());
 132             expectMsgClass(DataChangedReply.class);
 133
 134             Mockito.verify(mockListener).onDataChanged(mockChangeEvent1);
 135             Mockito.verify(mockListener).onDataChanged(mockChangeEvent2);
 136             Mockito.verify(mockListener).onDataChanged(mockChangeEvent3);
 137         }};
 138     }
 139 }