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