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
  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.StatNodeRegistration;
  34 import org.opendaylight.openflowplugin.applications.statistics.manager.StatisticsManager;
  35 import org.opendaylight.yangtools.yang.binding.DataObject;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  38
  39 import java.util.ArrayList;
  40 import java.util.Collection;
  41
  42
  43 /**
  44  * Unit tests for StatAbstractListenCommit.
  45  *
  46  * @author Thomas Pantelis
  47  */
  48 public class StatAbstractListenCommitTest {
  49
  50     @Mock
  51     private NotificationProviderService mockNotificationProviderService;
  52
  53     @Mock
  54     private StatisticsManager mockStatisticsManager;
  55
  56     @Mock
  57     private DataBroker mockDataBroker;
  58
  59     @Mock
  60     private NotificationListener mockNotificationListener;
  61
  62     @Mock
  63     private StatNodeRegistration statsNodeRegistration;
  64
  65
  66     @SuppressWarnings("rawtypes")
  67     private StatAbstractListenCommit statCommit;
  68
  69     @SuppressWarnings({ "rawtypes", "unchecked" })
  70     @Before
  71     public void setup() {
  72         MockitoAnnotations.initMocks(this);
  73
  74         statCommit = new StatAbstractListenCommit(mockStatisticsManager, mockDataBroker,
  75                 mockNotificationProviderService, DataObject.class, statsNodeRegistration) {
  76             @Override
  77             protected InstanceIdentifier getWildCardedRegistrationPath() {
  78                 return InstanceIdentifier.create(DataObject.class);
  79             }
  80
  81             @Override
  82             protected void processDataChange(Collection changes) {
  83
  84             }
  85
  86             @Override
  87             protected NotificationListener getStatNotificationListener() {
  88                 return mockNotificationListener;
  89             }
  90         };
  91     }
  92
  93
  94     @SuppressWarnings("unchecked")
  95     @Test
  96     public void testReadLatestConfiguration() {
  97
  98         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
  99
 100         ReadOnlyTransaction mockReadTx = mock(ReadOnlyTransaction.class);
 101         doReturn(mockReadTx).when(mockDataBroker).newReadOnlyTransaction();
 102
 103         Optional<DataObject> expected = Optional.of(mock(DataObject.class));
 104         doReturn(Futures.immediateCheckedFuture(expected)).when(mockReadTx).read(
 105                 LogicalDatastoreType.CONFIGURATION, path);
 106
 107         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
 108
 109         assertSame("Optional instance", expected, actual);
 110
 111         actual = statCommit.readLatestConfiguration(path);
 112
 113         assertSame("Optional instance", expected, actual);
 114
 115         verify(mockReadTx, never()).close();
 116         verify(mockDataBroker).newReadOnlyTransaction();
 117     }
 118
 119     @SuppressWarnings("unchecked")
 120     @Test
 121     public void testReadLatestConfigurationWithReadFailure() {
 122
 123         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
 124
 125         ReadOnlyTransaction mockReadTx1 = mock(ReadOnlyTransaction.class);
 126         ReadOnlyTransaction mockReadTx2 = mock(ReadOnlyTransaction.class);
 127         ReadOnlyTransaction mockReadTx3 = mock(ReadOnlyTransaction.class);
 128         doReturn(mockReadTx1).doReturn(mockReadTx2).doReturn(mockReadTx3).when(mockDataBroker).newReadOnlyTransaction();
 129
 130         doReturn(Futures.immediateFailedCheckedFuture(new ReadFailedException("mock"))).when(mockReadTx1).read(
 131                 LogicalDatastoreType.CONFIGURATION, path);
 132
 133         doReturn(Futures.immediateFailedCheckedFuture(new ReadFailedException("mock"))).when(mockReadTx2).read(
 134                 LogicalDatastoreType.CONFIGURATION, path);
 135
 136         Optional<DataObject> expected = Optional.of(mock(DataObject.class));
 137         doReturn(Futures.immediateCheckedFuture(expected)).when(mockReadTx3).read(
 138                 LogicalDatastoreType.CONFIGURATION, path);
 139
 140         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
 141
 142         assertEquals("Optional isPresent", false, actual.isPresent());
 143
 144         actual = statCommit.readLatestConfiguration(path);
 145
 146         assertSame("Optional instance", expected, actual);
 147     }
 148
 149     @SuppressWarnings("unchecked")
 150     @Test
 151     public void testReadLatestConfigurationWithInterveningOnDataTreeChanged() {
 152
 153         InstanceIdentifier<DataObject> path = InstanceIdentifier.create(DataObject.class);
 154
 155         ReadOnlyTransaction mockReadTx1 = mock(ReadOnlyTransaction.class);
 156         ReadOnlyTransaction mockReadTx2 = mock(ReadOnlyTransaction.class);
 157         doReturn(mockReadTx1).doReturn(mockReadTx2).when(mockDataBroker).newReadOnlyTransaction();
 158
 159         final Optional<DataObject> expected1 = Optional.of(mock(DataObject.class));
 160         Answer<CheckedFuture<Optional<DataObject>, ReadFailedException>> answer =
 161                 new Answer<CheckedFuture<Optional<DataObject>, ReadFailedException>>() {
 162                     @Override
 163                     public CheckedFuture<Optional<DataObject>, ReadFailedException> answer(
 164                             InvocationOnMock unused) {
 165                         statCommit.onDataTreeChanged(new ArrayList<>());
 166                         return Futures.immediateCheckedFuture(expected1);
 167                     }
 168                 };
 169
 170         doAnswer(answer).when(mockReadTx1).read(LogicalDatastoreType.CONFIGURATION, path);
 171
 172         Optional<DataObject> expected2 = Optional.of(mock(DataObject.class));
 173         doReturn(Futures.immediateCheckedFuture(expected2)).when(mockReadTx2).read(
 174                 LogicalDatastoreType.CONFIGURATION, path);
 175
 176         Optional<DataObject> actual = statCommit.readLatestConfiguration(path);
 177
 178         assertSame("Optional instance", expected1, actual);
 179
 180         actual = statCommit.readLatestConfiguration(path);
 181
 182         assertSame("Optional instance", expected2, actual);
 183
 184         actual = statCommit.readLatestConfiguration(path);
 185
 186         assertSame("Optional instance", expected2, actual);
 187
 188         verify(mockReadTx1).close();
 189         verify(mockReadTx2, never()).close();
 190         verify(mockDataBroker, times(2)).newReadOnlyTransaction();
 191     }
 192 }