opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeMocking.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import static org.mockito.Matchers.any;
  11 import static org.mockito.Matchers.anyBoolean;
  12 import static org.mockito.Mockito.doAnswer;
  13 import static org.mockito.Mockito.doNothing;
  14 import static org.mockito.Mockito.inOrder;
  15 import static org.mockito.Mockito.mock;
  16 import static org.mockito.Mockito.timeout;
  17 import static org.mockito.Mockito.verify;
  18 import static org.mockito.Mockito.verifyNoMoreInteractions;
  19
  20 import com.google.common.primitives.UnsignedLong;
  21 import com.google.common.util.concurrent.FutureCallback;
  22 import org.mockito.InOrder;
  23 import org.mockito.invocation.InvocationOnMock;
  24 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  25 import org.opendaylight.controller.cluster.datastore.persisted.CommitTransactionPayload;
  26 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  28
  29 public final class ShardDataTreeMocking {
  30
  31     private ShardDataTreeMocking() {
  32         throw new UnsupportedOperationException();
  33     }
  34
  35     @SuppressWarnings("unchecked")
  36     private static <T> FutureCallback<T> mockCallback() {
  37         return mock(FutureCallback.class);
  38     }
  39
  40     public static ShardDataTreeCohort immediateCanCommit(final ShardDataTreeCohort cohort) {
  41         final FutureCallback<Void> callback = mockCallback();
  42         doNothing().when(callback).onSuccess(null);
  43         cohort.canCommit(callback);
  44
  45         verify(callback).onSuccess(null);
  46         verifyNoMoreInteractions(callback);
  47         return cohort;
  48     }
  49
  50     public static FutureCallback<Void> coordinatedCanCommit(final ShardDataTreeCohort cohort) {
  51         final FutureCallback<Void> callback = mockCallback();
  52         doNothing().when(callback).onSuccess(null);
  53         doNothing().when(callback).onFailure(any(Throwable.class));
  54         cohort.canCommit(callback);
  55         return callback;
  56     }
  57
  58     public static ShardDataTreeCohort immediatePreCommit(final ShardDataTreeCohort cohort) {
  59         final FutureCallback<DataTreeCandidate> callback = mockCallback();
  60         doNothing().when(callback).onSuccess(any(DataTreeCandidate.class));
  61         cohort.preCommit(callback);
  62
  63         verify(callback).onSuccess(any(DataTreeCandidate.class));
  64         verifyNoMoreInteractions(callback);
  65         return cohort;
  66     }
  67
  68     public static FutureCallback<DataTreeCandidate> coordinatedPreCommit(final ShardDataTreeCohort cohort) {
  69         final FutureCallback<DataTreeCandidate> callback = mockCallback();
  70         doNothing().when(callback).onSuccess(any(DataTreeCandidate.class));
  71         doNothing().when(callback).onFailure(any(Throwable.class));
  72         cohort.preCommit(callback);
  73         return callback;
  74     }
  75
  76     public static ShardDataTreeCohort immediateCommit(final ShardDataTreeCohort cohort) {
  77         final FutureCallback<UnsignedLong> callback = mockCallback();
  78         doNothing().when(callback).onSuccess(any(UnsignedLong.class));
  79         cohort.commit(callback);
  80
  81         verify(callback, timeout(5000)).onSuccess(any(UnsignedLong.class));
  82         verifyNoMoreInteractions(callback);
  83         return cohort;
  84     }
  85
  86     public static FutureCallback<UnsignedLong> coordinatedCommit(final ShardDataTreeCohort cohort) {
  87         final FutureCallback<UnsignedLong> callback = mockCallback();
  88         doNothing().when(callback).onSuccess(any(UnsignedLong.class));
  89         doNothing().when(callback).onFailure(any(Throwable.class));
  90         cohort.commit(callback);
  91         return callback;
  92     }
  93
  94     public static FutureCallback<UnsignedLong> immediate3PhaseCommit(final ShardDataTreeCohort cohort) {
  95         final FutureCallback<UnsignedLong> commitCallback = mockCallback();
  96         doNothing().when(commitCallback).onSuccess(any(UnsignedLong.class));
  97         doNothing().when(commitCallback).onFailure(any(Throwable.class));
  98
  99         final FutureCallback<DataTreeCandidate> preCommitCallback = mockCallback();
 100         doAnswer(invocation -> {
 101             cohort.commit(commitCallback);
 102             return null;
 103         }).when(preCommitCallback).onSuccess(any(DataTreeCandidate.class));
 104         doNothing().when(preCommitCallback).onFailure(any(Throwable.class));
 105
 106         final FutureCallback<Void> canCommit = mockCallback();
 107         doAnswer(invocation -> {
 108             cohort.preCommit(preCommitCallback);
 109             return null;
 110         }).when(canCommit).onSuccess(null);
 111         doNothing().when(canCommit).onFailure(any(Throwable.class));
 112
 113         cohort.canCommit(canCommit);
 114         return commitCallback;
 115     }
 116
 117     @SuppressWarnings("unchecked")
 118     private static <T> Object invokeSuccess(final InvocationOnMock invocation, final T value) {
 119         invocation.getArgumentAt(0, FutureCallback.class).onSuccess(value);
 120         return null;
 121     }
 122
 123     private static Object invokeFailure(final InvocationOnMock invocation) {
 124         invocation.getArgumentAt(0, FutureCallback.class).onFailure(mock(Exception.class));
 125         return null;
 126     }
 127
 128     @SuppressWarnings("unchecked")
 129     public static ShardDataTreeCohort failedCanCommit(final ShardDataTreeCohort mock) {
 130         doAnswer(invocation -> {
 131             return invokeFailure(invocation);
 132         }).when(mock).canCommit(any(FutureCallback.class));
 133         return mock;
 134     }
 135
 136     @SuppressWarnings("unchecked")
 137     public static ShardDataTreeCohort failedPreCommit(final ShardDataTreeCohort mock) {
 138         doAnswer(invocation -> {
 139             return invokeFailure(invocation);
 140         }).when(mock).preCommit(any(FutureCallback.class));
 141         return mock;
 142     }
 143
 144     @SuppressWarnings("unchecked")
 145     public static ShardDataTreeCohort failedCommit(final ShardDataTreeCohort mock) {
 146         doAnswer(invocation -> {
 147             return invokeFailure(invocation);
 148         }).when(mock).commit(any(FutureCallback.class));
 149         return mock;
 150     }
 151
 152     @SuppressWarnings("unchecked")
 153     public static ShardDataTreeCohort successfulCanCommit(final ShardDataTreeCohort mock) {
 154         doAnswer(invocation -> {
 155             return invokeSuccess(invocation, null);
 156         }).when(mock).canCommit(any(FutureCallback.class));
 157
 158         return mock;
 159     }
 160
 161     public static ShardDataTreeCohort successfulPreCommit(final ShardDataTreeCohort mock) {
 162         return successfulPreCommit(mock, mock(DataTreeCandidate.class));
 163     }
 164
 165     @SuppressWarnings("unchecked")
 166     public static ShardDataTreeCohort successfulPreCommit(final ShardDataTreeCohort mock,
 167             final DataTreeCandidate candidate) {
 168         doAnswer(invocation -> {
 169             return invokeSuccess(invocation, candidate);
 170         }).when(mock).preCommit(any(FutureCallback.class));
 171
 172         return mock;
 173     }
 174
 175     public static ShardDataTreeCohort successfulCommit(final ShardDataTreeCohort mock) {
 176         return successfulCommit(mock, UnsignedLong.ZERO);
 177     }
 178
 179     @SuppressWarnings("unchecked")
 180     public static ShardDataTreeCohort successfulCommit(final ShardDataTreeCohort mock, final UnsignedLong index) {
 181         doAnswer(invocation -> {
 182             return invokeSuccess(invocation, index);
 183         }).when(mock).commit(any(FutureCallback.class));
 184
 185         return mock;
 186     }
 187
 188     @SuppressWarnings("unchecked")
 189     public static void assertSequencedCommit(final ShardDataTreeCohort mock) {
 190         final InOrder inOrder = inOrder(mock);
 191         inOrder.verify(mock).canCommit(any(FutureCallback.class));
 192         inOrder.verify(mock).preCommit(any(FutureCallback.class));
 193         inOrder.verify(mock).commit(any(FutureCallback.class));
 194     }
 195
 196     public static void immediatePayloadReplication(final ShardDataTree shardDataTree, final Shard mockShard) {
 197         doAnswer(invocation -> {
 198             shardDataTree.applyReplicatedPayload(invocation.getArgumentAt(0, TransactionIdentifier.class),
 199                     invocation.getArgumentAt(1, Payload.class));
 200             return null;
 201         }).when(mockShard).persistPayload(any(TransactionIdentifier.class), any(CommitTransactionPayload.class),
 202                 anyBoolean());
 203     }
 204 }