applications/statistics-manager/src/test/java/org/opendaylight/openflowplugin/applications/statistics/manager/impl/StatAbstractListenCommitTest.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.openflowplugin.applications.statistics.manager.impl;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertSame;
  12 import static org.mockito.Mockito.doAnswer;
  13 import static org.mockito.Mockito.doReturn;
  14 import static org.mockito.Mockito.mock;
  15 import static org.mockito.Mockito.never;
  16 import static org.mockito.Mockito.times;
  17 import static org.mockito.Mockito.verify;
  18 import com.google.common.base.Optional;
  19 import com.google.common.util.concurrent.CheckedFuture;
  20 import com.google.common.util.concurrent.Futures;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.mockito.Mock;
  24 import org.mockito.MockitoAnnotations;
  25 import org.mockito.invocation.InvocationOnMock;
  26 import org.mockito.stubbing.Answer;
  27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  28 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  29 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  32 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  33 import org.opendaylight.openflowplugin.applications.statistics.manager.StatisticsManager;
  34 import org.opendaylight.yangtools.yang.binding.DataObject;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  37
  38 /**
  39  * Unit tests for StatAbstractListenCommit.
  40  *
  41  * @author Thomas Pantelis
  42  */
  43 public class StatAbstractListenCommitTest {
  44
  45     @Mock
  46     private NotificationProviderService mockNotificationProviderService;
  47
  48     @Mock
  49     private StatisticsManager mockStatisticsManager;
  50
  51     @Mock
  52     private DataBroker mockDataBroker;
  53
  54     @Mock
  55     private NotificationListener mockNotificationListener;
  56
  57     @SuppressWarnings("rawtypes")
  58     private StatAbstractListenCommit statCommit;
  59
  60     @SuppressWarnings({ "rawtypes", "unchecked" })
  61     @Before
  62     public void setup() {
  63         MockitoAnnotations.initMocks(this);
  64
  65         statCommit = new StatAbstractListenCommit(mockStatisticsManager, mockDataBroker,
  66                 mockNotificationProviderService, DataObject.class) {
  67             @Override
  68             protected InstanceIdentifier getWildCardedRegistrationPath() {
  69                 return InstanceIdentifier.create(DataObject.class);
  70             }
  71
  72             @Override
  73             protected NotificationListener getStatNotificationListener() {
  74                 return mockNotificationListener;
  75             }
  76         };
  77     }
  78
  79
  80     @SuppressWarnings("unchecked")
  81     @Test
  82     public void testReadLatestConfiguration() {
  83
  84         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
  85
  86         ReadOnlyTransaction mockReadTx = mock(ReadOnlyTransaction.class);
  87         doReturn(mockReadTx).when(mockDataBroker).newReadOnlyTransaction();
  88
  89         Optional<DataObject> expected = Optional.of(mock(DataObject.class));
  90         doReturn(Futures.immediateCheckedFuture(expected)).when(mockReadTx).read(
  91                 LogicalDatastoreType.CONFIGURATION, path);
  92
  93         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
  94
  95         assertSame("Optional instance", expected, actual);
  96
  97         actual = statCommit.readLatestConfiguration(path);
  98
  99         assertSame("Optional instance", expected, actual);
 100
 101         verify(mockReadTx, never()).close();
 102         verify(mockDataBroker).newReadOnlyTransaction();
 103     }
 104
 105     @SuppressWarnings("unchecked")
 106     @Test
 107     public void testReadLatestConfigurationWithReadFailure() {
 108
 109         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
 110
 111         ReadOnlyTransaction mockReadTx1 = mock(ReadOnlyTransaction.class);
 112         ReadOnlyTransaction mockReadTx2 = mock(ReadOnlyTransaction.class);
 113         ReadOnlyTransaction mockReadTx3 = mock(ReadOnlyTransaction.class);
 114         doReturn(mockReadTx1).doReturn(mockReadTx2).doReturn(mockReadTx3).when(mockDataBroker).newReadOnlyTransaction();
 115
 116         doReturn(Futures.immediateFailedCheckedFuture(new ReadFailedException("mock"))).when(mockReadTx1).read(
 117                 LogicalDatastoreType.CONFIGURATION, path);
 118
 119         doReturn(Futures.immediateFailedCheckedFuture(new ReadFailedException("mock"))).when(mockReadTx2).read(
 120                 LogicalDatastoreType.CONFIGURATION, path);
 121
 122         Optional<DataObject> expected = Optional.of(mock(DataObject.class));
 123         doReturn(Futures.immediateCheckedFuture(expected)).when(mockReadTx3).read(
 124                 LogicalDatastoreType.CONFIGURATION, path);
 125
 126         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
 127
 128         assertEquals("Optional isPresent", false, actual.isPresent());
 129
 130         actual = statCommit.readLatestConfiguration(path);
 131
 132         assertSame("Optional instance", expected, actual);
 133     }
 134
 135     @SuppressWarnings("unchecked")
 136     @Test
 137     public void testReadLatestConfigurationWithInterveningOnDataChanged() {
 138
 139         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
 140
 141         ReadOnlyTransaction mockReadTx1 = mock(ReadOnlyTransaction.class);
 142         ReadOnlyTransaction mockReadTx2 = mock(ReadOnlyTransaction.class);
 143         doReturn(mockReadTx1).doReturn(mockReadTx2).when(mockDataBroker).newReadOnlyTransaction();
 144
 145         final Optional<DataObject> expected1 = Optional.of(mock(DataObject.class));
 146         Answer<CheckedFuture<Optional<DataObject>, ReadFailedException>> answer =
 147                 new Answer<CheckedFuture<Optional<DataObject>, ReadFailedException>>() {
 148                     @Override
 149                     public CheckedFuture<Optional<DataObject>, ReadFailedException> answer(
 150                             InvocationOnMock unused) {
 151                         statCommit.onDataChanged(mock(AsyncDataChangeEvent.class));
 152                         return Futures.immediateCheckedFuture(expected1);
 153                     }
 154                 };
 155
 156         doAnswer(answer).when(mockReadTx1).read(LogicalDatastoreType.CONFIGURATION, path);
 157
 158         Optional<DataObject> expected2 = Optional.of(mock(DataObject.class));
 159         doReturn(Futures.immediateCheckedFuture(expected2)).when(mockReadTx2).read(
 160                 LogicalDatastoreType.CONFIGURATION, path);
 161
 162         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
 163
 164         assertSame("Optional instance", expected1, actual);
 165
 166         actual = statCommit.readLatestConfiguration(path);
 167
 168         assertSame("Optional instance", expected2, actual);
 169
 170         actual = statCommit.readLatestConfiguration(path);
 171
 172         assertSame("Optional instance", expected2, actual);
 173
 174         verify(mockReadTx1).close();
 175         verify(mockReadTx2, never()).close();
 176         verify(mockDataBroker, times(2)).newReadOnlyTransaction();
 177     }
 178 }