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