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

   1 /*
   2  * Copyright (c) 2016, 2017 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.sharding;
   9
  10 import static org.hamcrest.CoreMatchers.hasItems;
  11 import static org.hamcrest.MatcherAssert.assertThat;
  12 import static org.junit.Assert.assertEquals;
  13 import static org.junit.Assert.assertNotNull;
  14 import static org.mockito.ArgumentMatchers.any;
  15 import static org.mockito.Mockito.doNothing;
  16 import static org.mockito.Mockito.doReturn;
  17 import static org.mockito.Mockito.mock;
  18 import static org.mockito.Mockito.times;
  19 import static org.mockito.Mockito.verify;
  20
  21 import com.google.common.util.concurrent.Futures;
  22 import com.google.common.util.concurrent.ListenableFuture;
  23 import java.util.Collections;
  24 import java.util.List;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.mockito.ArgumentCaptor;
  28 import org.mockito.Captor;
  29 import org.mockito.MockitoAnnotations;
  30 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientLocalHistory;
  31 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientTransaction;
  32 import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
  33 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  34 import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
  35 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  36 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  37 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  38 import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
  39 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  40 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
  41 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
  42 import org.opendaylight.mdsal.dom.broker.ShardedDOMDataTree;
  43 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
  44 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  45 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  46 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  47 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  48 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  49 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  50 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  51 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  52 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  53 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  54
  55 public class DistributedShardFrontendTest {
  56
  57     private static final DOMDataTreeIdentifier ROOT =
  58             new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty());
  59     private static final ListenableFuture<Object> SUCCESS_FUTURE = Futures.immediateFuture(null);
  60
  61     private ShardedDOMDataTree shardedDOMDataTree;
  62
  63     private DataStoreClient client;
  64     private ClientLocalHistory clientHistory;
  65     private ClientTransaction clientTransaction;
  66     private DOMDataTreeWriteCursor cursor;
  67
  68     private static final YangInstanceIdentifier OUTER_LIST_YID = TestModel.OUTER_LIST_PATH.node(
  69             NodeIdentifierWithPredicates.of(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1));
  70     private static final DOMDataTreeIdentifier OUTER_LIST_ID =
  71             new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, OUTER_LIST_YID);
  72
  73     @Captor
  74     private ArgumentCaptor<PathArgument> pathArgumentCaptor;
  75     @Captor
  76     private ArgumentCaptor<NormalizedNode<?, ?>> nodeCaptor;
  77
  78     private DOMStoreThreePhaseCommitCohort commitCohort;
  79
  80     @Before
  81     public void setUp() {
  82         MockitoAnnotations.initMocks(this);
  83         shardedDOMDataTree = new ShardedDOMDataTree();
  84         client = mock(DataStoreClient.class);
  85         cursor = mock(DOMDataTreeWriteCursor.class);
  86         clientTransaction = mock(ClientTransaction.class);
  87         clientHistory = mock(ClientLocalHistory.class);
  88         commitCohort = mock(DOMStoreThreePhaseCommitCohort.class);
  89
  90         doReturn(SUCCESS_FUTURE).when(commitCohort).canCommit();
  91         doReturn(SUCCESS_FUTURE).when(commitCohort).preCommit();
  92         doReturn(SUCCESS_FUTURE).when(commitCohort).commit();
  93         doReturn(SUCCESS_FUTURE).when(commitCohort).abort();
  94
  95         doReturn(clientTransaction).when(client).createTransaction();
  96         doReturn(clientTransaction).when(clientHistory).createTransaction();
  97         doNothing().when(clientHistory).close();
  98
  99         doNothing().when(client).close();
 100         doReturn(clientHistory).when(client).createLocalHistory();
 101
 102         doReturn(cursor).when(clientTransaction).openCursor();
 103         doNothing().when(cursor).close();
 104         doNothing().when(cursor).write(any(), any());
 105         doNothing().when(cursor).merge(any(), any());
 106         doNothing().when(cursor).delete(any());
 107
 108         doReturn(commitCohort).when(clientTransaction).ready();
 109     }
 110
 111     @Test
 112     public void testClientTransaction() throws Exception {
 113         final DistributedDataStore distributedDataStore = mock(DistributedDataStore.class);
 114         final ActorUtils context = mock(ActorUtils.class);
 115         doReturn(context).when(distributedDataStore).getActorUtils();
 116         doReturn(SchemaContextHelper.full()).when(context).getSchemaContext();
 117
 118         final DistributedShardFrontend rootShard = new DistributedShardFrontend(distributedDataStore, client, ROOT);
 119
 120         try (DOMDataTreeProducer producer = shardedDOMDataTree.createProducer(Collections.singletonList(ROOT))) {
 121             shardedDOMDataTree.registerDataTreeShard(ROOT, rootShard, producer);
 122         }
 123
 124         final DataStoreClient outerListClient = mock(DataStoreClient.class);
 125         final ClientTransaction outerListClientTransaction = mock(ClientTransaction.class);
 126         final ClientLocalHistory outerListClientHistory = mock(ClientLocalHistory.class);
 127         final DOMDataTreeWriteCursor outerListCursor = mock(DOMDataTreeWriteCursor.class);
 128
 129         doNothing().when(outerListCursor).close();
 130         doNothing().when(outerListCursor).write(any(), any());
 131         doNothing().when(outerListCursor).merge(any(), any());
 132         doNothing().when(outerListCursor).delete(any());
 133
 134         doReturn(outerListCursor).when(outerListClientTransaction).openCursor();
 135         doReturn(outerListClientTransaction).when(outerListClient).createTransaction();
 136         doReturn(outerListClientHistory).when(outerListClient).createLocalHistory();
 137         doReturn(outerListClientTransaction).when(outerListClientHistory).createTransaction();
 138
 139         doReturn(commitCohort).when(outerListClientTransaction).ready();
 140
 141         doNothing().when(outerListClientHistory).close();
 142         doNothing().when(outerListClient).close();
 143
 144         final DistributedShardFrontend outerListShard = new DistributedShardFrontend(
 145                 distributedDataStore, outerListClient, OUTER_LIST_ID);
 146         try (DOMDataTreeProducer producer =
 147                      shardedDOMDataTree.createProducer(Collections.singletonList(OUTER_LIST_ID))) {
 148             shardedDOMDataTree.registerDataTreeShard(OUTER_LIST_ID, outerListShard, producer);
 149         }
 150
 151         final DOMDataTreeProducer producer = shardedDOMDataTree.createProducer(Collections.singletonList(ROOT));
 152         final DOMDataTreeCursorAwareTransaction tx = producer.createTransaction(false);
 153         final DOMDataTreeWriteCursor txCursor = tx.createCursor(ROOT);
 154
 155         assertNotNull(txCursor);
 156         txCursor.write(TestModel.TEST_PATH.getLastPathArgument(), createCrossShardContainer());
 157
 158         //check the lower shard got the correct modification
 159         verify(outerListCursor, times(2)).write(pathArgumentCaptor.capture(), nodeCaptor.capture());
 160
 161         final List<PathArgument> capturedArgs = pathArgumentCaptor.getAllValues();
 162         assertEquals(2, capturedArgs.size());
 163         assertThat(capturedArgs,
 164             hasItems(new NodeIdentifier(TestModel.ID_QNAME), new NodeIdentifier(TestModel.INNER_LIST_QNAME)));
 165
 166         final List<NormalizedNode<?, ?>> capturedValues = nodeCaptor.getAllValues();
 167         assertEquals(2, capturedValues.size());
 168         assertThat(capturedValues,
 169             hasItems(ImmutableNodes.leafNode(TestModel.ID_QNAME, 1), createInnerMapNode(1)));
 170
 171         txCursor.close();
 172         tx.commit().get();
 173
 174         verify(commitCohort, times(2)).canCommit();
 175         verify(commitCohort, times(2)).preCommit();
 176         verify(commitCohort, times(2)).commit();
 177     }
 178
 179     private static MapNode createInnerMapNode(final int id) {
 180         final MapEntryNode listEntry = ImmutableNodes
 181                 .mapEntryBuilder(TestModel.INNER_LIST_QNAME, TestModel.NAME_QNAME, "name-" + id)
 182                 .withChild(ImmutableNodes.leafNode(TestModel.NAME_QNAME, "name-" + id))
 183                 .withChild(ImmutableNodes.leafNode(TestModel.VALUE_QNAME, "value-" + id))
 184                 .build();
 185
 186         return ImmutableNodes.mapNodeBuilder(TestModel.INNER_LIST_QNAME).withChild(listEntry).build();
 187     }
 188
 189     private static ContainerNode createCrossShardContainer() {
 190
 191         final MapEntryNode outerListEntry1 =
 192                 ImmutableNodes.mapEntryBuilder(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1)
 193                         .withChild(createInnerMapNode(1))
 194                         .build();
 195         final MapEntryNode outerListEntry2 =
 196                 ImmutableNodes.mapEntryBuilder(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 2)
 197                         .withChild(createInnerMapNode(2))
 198                         .build();
 199
 200         final MapNode outerList = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME)
 201                 .withChild(outerListEntry1)
 202                 .withChild(outerListEntry2)
 203                 .build();
 204
 205         final ContainerNode testContainer = ImmutableContainerNodeBuilder.create()
 206                 .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
 207                 .withChild(outerList)
 208                 .build();
 209
 210         return testContainer;
 211     }
 212 }