opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/sharding/DistributedShardedDOMDataTreeTest.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
   9 package org.opendaylight.controller.cluster.sharding;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.mockito.ArgumentMatchers.anyCollection;
  15 import static org.mockito.ArgumentMatchers.anyMap;
  16 import static org.mockito.Mockito.doNothing;
  17 import static org.mockito.Mockito.doReturn;
  18 import static org.mockito.Mockito.mock;
  19 import static org.mockito.Mockito.timeout;
  20 import static org.mockito.Mockito.verify;
  21 import static org.mockito.Mockito.verifyNoMoreInteractions;
  22 import static org.opendaylight.controller.cluster.datastore.IntegrationTestKit.findLocalShard;
  23 import static org.opendaylight.controller.cluster.datastore.IntegrationTestKit.waitUntilShardIsDown;
  24
  25 import akka.actor.ActorRef;
  26 import akka.actor.ActorSystem;
  27 import akka.actor.Address;
  28 import akka.actor.AddressFromURIString;
  29 import akka.actor.Props;
  30 import akka.cluster.Cluster;
  31 import akka.testkit.javadsl.TestKit;
  32 import com.google.common.collect.Lists;
  33 import com.google.common.util.concurrent.FluentFuture;
  34 import com.google.common.util.concurrent.ListenableFuture;
  35 import com.typesafe.config.ConfigFactory;
  36 import java.util.ArrayList;
  37 import java.util.Collection;
  38 import java.util.Collections;
  39 import java.util.List;
  40 import java.util.Map;
  41 import java.util.Optional;
  42 import java.util.Set;
  43 import java.util.concurrent.CompletionStage;
  44 import java.util.concurrent.TimeUnit;
  45 import org.junit.After;
  46 import org.junit.Assert;
  47 import org.junit.Before;
  48 import org.junit.Ignore;
  49 import org.junit.Test;
  50 import org.mockito.ArgumentCaptor;
  51 import org.mockito.Captor;
  52 import org.mockito.Mockito;
  53 import org.mockito.MockitoAnnotations;
  54 import org.opendaylight.controller.cluster.ActorSystemProvider;
  55 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  56 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientLocalHistory;
  57 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientTransaction;
  58 import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
  59 import org.opendaylight.controller.cluster.databroker.actors.dds.SimpleDataStoreClientActor;
  60 import org.opendaylight.controller.cluster.datastore.AbstractTest;
  61 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
  62 import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
  63 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  64 import org.opendaylight.controller.cluster.datastore.IntegrationTestKit;
  65 import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
  66 import org.opendaylight.controller.cluster.datastore.utils.ClusterUtils;
  67 import org.opendaylight.controller.cluster.dom.api.CDSDataTreeProducer;
  68 import org.opendaylight.controller.cluster.dom.api.CDSShardAccess;
  69 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
  70 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
  71 import org.opendaylight.controller.cluster.sharding.DistributedShardFactory.DistributedShardRegistration;
  72 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  73 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  74 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  75 import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
  76 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  77 import org.opendaylight.mdsal.dom.api.DOMDataTreeListener;
  78 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
  79 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
  80 import org.opendaylight.yangtools.yang.common.QName;
  81 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  82 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  83 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  84 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  85 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  86 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  87 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  88 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  89 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  90 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  91 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  92 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
  93 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
  94 import org.slf4j.Logger;
  95 import org.slf4j.LoggerFactory;
  96
  97 public class DistributedShardedDOMDataTreeTest extends AbstractTest {
  98
  99     private static final Logger LOG = LoggerFactory.getLogger(DistributedShardedDOMDataTreeRemotingTest.class);
 100
 101     private static final Address MEMBER_1_ADDRESS =
 102             AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558");
 103
 104     private static final DOMDataTreeIdentifier TEST_ID =
 105             new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, TestModel.TEST_PATH);
 106
 107     private static final DOMDataTreeIdentifier INNER_LIST_ID =
 108             new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION,
 109                     YangInstanceIdentifier.create(getOuterListIdFor(0).getPathArguments())
 110                             .node(TestModel.INNER_LIST_QNAME));
 111     private static final Set<MemberName> SINGLE_MEMBER = Collections.singleton(AbstractTest.MEMBER_NAME);
 112
 113     private static final String MODULE_SHARDS_CONFIG = "module-shards-default-member-1.conf";
 114
 115     private ActorSystem leaderSystem;
 116
 117     private final Builder leaderDatastoreContextBuilder =
 118             DatastoreContext.newBuilder()
 119                     .shardHeartbeatIntervalInMillis(100)
 120                     .shardElectionTimeoutFactor(2)
 121                     .logicalStoreType(LogicalDatastoreType.CONFIGURATION);
 122
 123     private DistributedDataStore leaderDistributedDataStore;
 124     private DistributedDataStore operDistributedDatastore;
 125     private IntegrationTestKit leaderTestKit;
 126
 127     private DistributedShardedDOMDataTree leaderShardFactory;
 128
 129     @Captor
 130     private ArgumentCaptor<Collection<DataTreeCandidate>> captorForChanges;
 131     @Captor
 132     private ArgumentCaptor<Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>>> captorForSubtrees;
 133
 134     private ActorSystemProvider leaderSystemProvider;
 135
 136     @Before
 137     public void setUp() {
 138         MockitoAnnotations.initMocks(this);
 139
 140         InMemoryJournal.clear();
 141         InMemorySnapshotStore.clear();
 142
 143         leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
 144         Cluster.get(leaderSystem).join(MEMBER_1_ADDRESS);
 145
 146         leaderSystemProvider = Mockito.mock(ActorSystemProvider.class);
 147         doReturn(leaderSystem).when(leaderSystemProvider).getActorSystem();
 148     }
 149
 150     @After
 151     public void tearDown() {
 152         if (leaderDistributedDataStore != null) {
 153             leaderDistributedDataStore.close();
 154         }
 155
 156         if (operDistributedDatastore != null) {
 157             operDistributedDatastore.close();
 158         }
 159
 160         TestKit.shutdownActorSystem(leaderSystem);
 161
 162         InMemoryJournal.clear();
 163         InMemorySnapshotStore.clear();
 164     }
 165
 166     private void initEmptyDatastores() throws Exception {
 167         leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder);
 168
 169         leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(
 170                 "config", MODULE_SHARDS_CONFIG, "empty-modules.conf", true,
 171                 SchemaContextHelper.distributedShardedDOMDataTreeSchemaContext());
 172
 173         operDistributedDatastore = leaderTestKit.setupDistributedDataStore(
 174                 "operational", MODULE_SHARDS_CONFIG, "empty-modules.conf",true,
 175                 SchemaContextHelper.distributedShardedDOMDataTreeSchemaContext());
 176
 177         leaderShardFactory = new DistributedShardedDOMDataTree(leaderSystemProvider,
 178                 operDistributedDatastore,
 179                 leaderDistributedDataStore);
 180
 181         leaderShardFactory.init();
 182     }
 183
 184
 185     @Test
 186     public void testWritesIntoDefaultShard() throws Exception {
 187         initEmptyDatastores();
 188
 189         final DOMDataTreeIdentifier configRoot =
 190                 new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty());
 191
 192         final DOMDataTreeProducer producer = leaderShardFactory.createProducer(Collections.singleton(configRoot));
 193
 194         final DOMDataTreeCursorAwareTransaction tx = producer.createTransaction(true);
 195         final DOMDataTreeWriteCursor cursor =
 196                 tx.createCursor(new DOMDataTreeIdentifier(
 197                         LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty()));
 198         Assert.assertNotNull(cursor);
 199
 200         final ContainerNode test =
 201                 ImmutableContainerNodeBuilder.create()
 202                         .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME)).build();
 203
 204         cursor.write(test.getIdentifier(), test);
 205         cursor.close();
 206
 207         tx.commit().get();
 208     }
 209
 210     @Test
 211     public void testSingleNodeWritesAndRead() throws Exception {
 212         initEmptyDatastores();
 213
 214         final DistributedShardRegistration shardRegistration = waitOnAsyncTask(
 215                 leaderShardFactory.createDistributedShard(TEST_ID, Lists.newArrayList(AbstractTest.MEMBER_NAME)),
 216                 DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 217
 218         leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 219                 ClusterUtils.getCleanShardName(TEST_ID.getRootIdentifier()));
 220
 221         final DOMDataTreeProducer producer = leaderShardFactory.createProducer(Collections.singleton(TEST_ID));
 222
 223         final DOMDataTreeCursorAwareTransaction tx = producer.createTransaction(true);
 224         final DOMDataTreeWriteCursor cursor = tx.createCursor(TEST_ID);
 225         Assert.assertNotNull(cursor);
 226         final YangInstanceIdentifier nameId =
 227                 YangInstanceIdentifier.builder(TestModel.TEST_PATH).node(TestModel.NAME_QNAME).build();
 228         final LeafNode<String> valueToCheck = ImmutableLeafNodeBuilder.<String>create().withNodeIdentifier(
 229                 new NodeIdentifier(TestModel.NAME_QNAME)).withValue("Test Value").build();
 230         LOG.debug("Writing data {} at {}, cursor {}", nameId.getLastPathArgument(), valueToCheck, cursor);
 231         cursor.write(nameId.getLastPathArgument(),
 232                 valueToCheck);
 233
 234         cursor.close();
 235         LOG.debug("Got to pre submit");
 236
 237         tx.commit().get();
 238
 239         final DOMDataTreeListener mockedDataTreeListener = mock(DOMDataTreeListener.class);
 240         doNothing().when(mockedDataTreeListener).onDataTreeChanged(anyCollection(), anyMap());
 241
 242         leaderShardFactory.registerListener(mockedDataTreeListener, Collections.singletonList(TEST_ID),
 243                 true, Collections.emptyList());
 244
 245         verify(mockedDataTreeListener, timeout(1000).times(1)).onDataTreeChanged(captorForChanges.capture(),
 246                 captorForSubtrees.capture());
 247         final List<Collection<DataTreeCandidate>> capturedValue = captorForChanges.getAllValues();
 248
 249         final Optional<NormalizedNode<?, ?>> dataAfter =
 250                 capturedValue.get(0).iterator().next().getRootNode().getDataAfter();
 251
 252         final NormalizedNode<?,?> expected = ImmutableContainerNodeBuilder.create()
 253                 .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME)).withChild(valueToCheck).build();
 254         assertEquals(expected, dataAfter.get());
 255
 256         verifyNoMoreInteractions(mockedDataTreeListener);
 257
 258         final String shardName = ClusterUtils.getCleanShardName(TEST_ID.getRootIdentifier());
 259         LOG.debug("Creating distributed datastore client for shard {}", shardName);
 260
 261         final ActorUtils actorUtils = leaderDistributedDataStore.getActorUtils();
 262         final Props distributedDataStoreClientProps =
 263                 SimpleDataStoreClientActor.props(actorUtils.getCurrentMemberName(), "Shard-" + shardName, actorUtils,
 264                     shardName);
 265
 266         final ActorRef clientActor = leaderSystem.actorOf(distributedDataStoreClientProps);
 267         final DataStoreClient distributedDataStoreClient = SimpleDataStoreClientActor
 268                     .getDistributedDataStoreClient(clientActor, 30, TimeUnit.SECONDS);
 269
 270         final ClientLocalHistory localHistory = distributedDataStoreClient.createLocalHistory();
 271         final ClientTransaction tx2 = localHistory.createTransaction();
 272         final FluentFuture<Optional<NormalizedNode<?, ?>>> read = tx2.read(YangInstanceIdentifier.empty());
 273
 274         final Optional<NormalizedNode<?, ?>> optional = read.get();
 275         tx2.abort();
 276         localHistory.close();
 277
 278         shardRegistration.close().toCompletableFuture().get();
 279
 280     }
 281
 282     @Test
 283     public void testMultipleWritesIntoSingleMapEntry() throws Exception {
 284         initEmptyDatastores();
 285
 286         final DistributedShardRegistration shardRegistration = waitOnAsyncTask(
 287                 leaderShardFactory.createDistributedShard(TEST_ID, Lists.newArrayList(AbstractTest.MEMBER_NAME)),
 288                 DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 289
 290         leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 291                 ClusterUtils.getCleanShardName(TEST_ID.getRootIdentifier()));
 292
 293         LOG.warn("Got after waiting for nonleader");
 294         final ActorRef leaderShardManager = leaderDistributedDataStore.getActorUtils().getShardManager();
 295
 296         leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 297                 ClusterUtils.getCleanShardName(TestModel.TEST_PATH));
 298
 299         final YangInstanceIdentifier oid1 = getOuterListIdFor(0);
 300         final DOMDataTreeIdentifier outerListPath = new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, oid1);
 301
 302         final DistributedShardRegistration outerListShardReg = waitOnAsyncTask(
 303                 leaderShardFactory.createDistributedShard(outerListPath, Lists.newArrayList(AbstractTest.MEMBER_NAME)),
 304                 DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 305
 306         leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 307                 ClusterUtils.getCleanShardName(outerListPath.getRootIdentifier()));
 308
 309         final DOMDataTreeProducer shardProducer = leaderShardFactory.createProducer(
 310                 Collections.singletonList(outerListPath));
 311
 312         final DOMDataTreeCursorAwareTransaction tx = shardProducer.createTransaction(false);
 313         final DOMDataTreeWriteCursor cursor =
 314                 tx.createCursor(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, oid1));
 315         assertNotNull(cursor);
 316
 317         MapNode innerList = ImmutableMapNodeBuilder
 318                 .create()
 319                 .withNodeIdentifier(new NodeIdentifier(TestModel.INNER_LIST_QNAME))
 320                 .build();
 321
 322         cursor.write(new NodeIdentifier(TestModel.INNER_LIST_QNAME), innerList);
 323         cursor.close();
 324         tx.commit().get();
 325
 326         final ArrayList<ListenableFuture<?>> futures = new ArrayList<>();
 327         for (int i = 0; i < 1000; i++) {
 328             final Collection<MapEntryNode> innerListMapEntries = createInnerListMapEntries(1000, "run-" + i);
 329             for (final MapEntryNode innerListMapEntry : innerListMapEntries) {
 330                 final DOMDataTreeCursorAwareTransaction tx1 = shardProducer.createTransaction(false);
 331                 final DOMDataTreeWriteCursor cursor1 = tx1.createCursor(
 332                         new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION,
 333                                 oid1.node(new NodeIdentifier(TestModel.INNER_LIST_QNAME))));
 334                 cursor1.write(innerListMapEntry.getIdentifier(), innerListMapEntry);
 335                 cursor1.close();
 336                 futures.add(tx1.commit());
 337             }
 338         }
 339
 340         futures.get(futures.size() - 1).get();
 341
 342         final DOMDataTreeListener mockedDataTreeListener = mock(DOMDataTreeListener.class);
 343         doNothing().when(mockedDataTreeListener).onDataTreeChanged(anyCollection(), anyMap());
 344
 345         leaderShardFactory.registerListener(mockedDataTreeListener, Collections.singletonList(INNER_LIST_ID),
 346                 true, Collections.emptyList());
 347
 348         verify(mockedDataTreeListener, timeout(1000).times(1)).onDataTreeChanged(captorForChanges.capture(),
 349                 captorForSubtrees.capture());
 350         verifyNoMoreInteractions(mockedDataTreeListener);
 351         final List<Collection<DataTreeCandidate>> capturedValue = captorForChanges.getAllValues();
 352
 353         final NormalizedNode<?,?> expected =
 354                 ImmutableMapNodeBuilder
 355                         .create()
 356                         .withNodeIdentifier(new NodeIdentifier(TestModel.INNER_LIST_QNAME))
 357                                 // only the values from the last run should be present
 358                         .withValue(createInnerListMapEntries(1000, "run-999"))
 359                         .build();
 360
 361         assertEquals("List values dont match the expected values from the last run",
 362                 expected, capturedValue.get(0).iterator().next().getRootNode().getDataAfter().get());
 363
 364     }
 365
 366     // top level shard at TEST element, with subshards on each outer-list map entry
 367     @Test
 368     @Ignore
 369     public void testMultipleShardLevels() throws Exception {
 370         initEmptyDatastores();
 371
 372         final DistributedShardRegistration testShardReg = waitOnAsyncTask(
 373                 leaderShardFactory.createDistributedShard(TEST_ID, SINGLE_MEMBER),
 374                 DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 375
 376         final ArrayList<DistributedShardRegistration> registrations = new ArrayList<>();
 377         final int listSize = 5;
 378         for (int i = 0; i < listSize; i++) {
 379             final YangInstanceIdentifier entryYID = getOuterListIdFor(i);
 380             final CompletionStage<DistributedShardRegistration> future = leaderShardFactory.createDistributedShard(
 381                     new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, entryYID), SINGLE_MEMBER);
 382
 383             registrations.add(waitOnAsyncTask(future, DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION));
 384         }
 385
 386         final DOMDataTreeIdentifier rootId =
 387                 new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty());
 388         final DOMDataTreeProducer producer = leaderShardFactory.createProducer(Collections.singletonList(
 389                 rootId));
 390
 391         DOMDataTreeCursorAwareTransaction transaction = producer.createTransaction(false);
 392
 393         DOMDataTreeWriteCursor cursor = transaction.createCursor(rootId);
 394         assertNotNull(cursor);
 395
 396         final MapNode outerList =
 397                 ImmutableMapNodeBuilder.create()
 398                         .withNodeIdentifier(new NodeIdentifier(TestModel.OUTER_LIST_QNAME)).build();
 399
 400         final ContainerNode testNode =
 401                 ImmutableContainerNodeBuilder.create()
 402                         .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
 403                         .withChild(outerList)
 404                         .build();
 405
 406         cursor.write(testNode.getIdentifier(), testNode);
 407
 408         cursor.close();
 409         transaction.commit().get();
 410
 411         final DOMDataTreeListener mockedDataTreeListener = mock(DOMDataTreeListener.class);
 412         doNothing().when(mockedDataTreeListener).onDataTreeChanged(anyCollection(), anyMap());
 413
 414         final MapNode wholeList = ImmutableMapNodeBuilder.create(outerList)
 415                 .withValue(createOuterEntries(listSize, "testing-values")).build();
 416
 417         transaction = producer.createTransaction(false);
 418         cursor = transaction.createCursor(TEST_ID);
 419         assertNotNull(cursor);
 420
 421         cursor.write(wholeList.getIdentifier(), wholeList);
 422         cursor.close();
 423
 424         transaction.commit().get();
 425
 426         leaderShardFactory.registerListener(mockedDataTreeListener, Collections.singletonList(TEST_ID),
 427                 true, Collections.emptyList());
 428
 429         verify(mockedDataTreeListener, timeout(35000).atLeast(2)).onDataTreeChanged(captorForChanges.capture(),
 430                 captorForSubtrees.capture());
 431         verifyNoMoreInteractions(mockedDataTreeListener);
 432         final List<Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>>> allSubtrees = captorForSubtrees.getAllValues();
 433
 434         final Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>> lastSubtree = allSubtrees.get(allSubtrees.size() - 1);
 435
 436         final NormalizedNode<?, ?> actual = lastSubtree.get(TEST_ID);
 437         assertNotNull(actual);
 438
 439         final NormalizedNode<?, ?> expected =
 440                 ImmutableContainerNodeBuilder.create()
 441                         .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
 442                         .withChild(ImmutableMapNodeBuilder.create(outerList)
 443                                 .withValue(createOuterEntries(listSize, "testing-values")).build())
 444                         .build();
 445
 446
 447         for (final DistributedShardRegistration registration : registrations) {
 448             waitOnAsyncTask(registration.close(), DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 449         }
 450
 451         waitOnAsyncTask(testShardReg.close(), DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 452
 453         assertEquals(expected, actual);
 454     }
 455
 456     @Test
 457     public void testMultipleRegistrationsAtOnePrefix() throws Exception {
 458         initEmptyDatastores();
 459
 460         for (int i = 0; i < 10; i++) {
 461             LOG.debug("Round {}", i);
 462             final DistributedShardRegistration reg1 = waitOnAsyncTask(leaderShardFactory.createDistributedShard(
 463                     TEST_ID, Lists.newArrayList(AbstractTest.MEMBER_NAME)),
 464                     DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 465
 466             leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 467                     ClusterUtils.getCleanShardName(TestModel.TEST_PATH));
 468
 469             assertNotNull(findLocalShard(leaderDistributedDataStore.getActorUtils(),
 470                     ClusterUtils.getCleanShardName(TestModel.TEST_PATH)));
 471
 472             waitOnAsyncTask(reg1.close(), DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 473
 474             waitUntilShardIsDown(leaderDistributedDataStore.getActorUtils(),
 475                     ClusterUtils.getCleanShardName(TestModel.TEST_PATH));
 476         }
 477     }
 478
 479     @Test
 480     public void testCDSDataTreeProducer() throws Exception {
 481         initEmptyDatastores();
 482
 483         final DistributedShardRegistration reg1 = waitOnAsyncTask(leaderShardFactory.createDistributedShard(
 484                 TEST_ID, Lists.newArrayList(AbstractTest.MEMBER_NAME)),
 485                 DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 486
 487         leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(),
 488                 ClusterUtils.getCleanShardName(TestModel.TEST_PATH));
 489
 490         assertNotNull(findLocalShard(leaderDistributedDataStore.getActorUtils(),
 491                 ClusterUtils.getCleanShardName(TestModel.TEST_PATH)));
 492
 493
 494         final DOMDataTreeIdentifier configRoot =
 495                 new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty());
 496         final DOMDataTreeProducer producer = leaderShardFactory.createProducer(Collections.singleton(configRoot));
 497
 498         assertTrue(producer instanceof CDSDataTreeProducer);
 499
 500         final CDSDataTreeProducer cdsProducer = (CDSDataTreeProducer) producer;
 501         CDSShardAccess shardAccess = cdsProducer.getShardAccess(TEST_ID);
 502         assertEquals(shardAccess.getShardIdentifier(), TEST_ID);
 503
 504         shardAccess = cdsProducer.getShardAccess(INNER_LIST_ID);
 505         assertEquals(TEST_ID, shardAccess.getShardIdentifier());
 506
 507         shardAccess = cdsProducer.getShardAccess(configRoot);
 508         assertEquals(configRoot, shardAccess.getShardIdentifier());
 509
 510         waitOnAsyncTask(reg1.close(), DistributedShardedDOMDataTree.SHARD_FUTURE_TIMEOUT_DURATION);
 511     }
 512
 513     private static Collection<MapEntryNode> createOuterEntries(final int amount, final String valuePrefix) {
 514         final Collection<MapEntryNode> ret = new ArrayList<>();
 515         for (int i = 0; i < amount; i++) {
 516             ret.add(ImmutableNodes.mapEntryBuilder()
 517                     .withNodeIdentifier(NodeIdentifierWithPredicates.of(TestModel.OUTER_LIST_QNAME,
 518                             QName.create(TestModel.OUTER_LIST_QNAME, "id"), i))
 519                     .withChild(ImmutableNodes
 520                             .leafNode(QName.create(TestModel.OUTER_LIST_QNAME, "id"), i))
 521                     .withChild(createWholeInnerList(amount, "outer id: " + i + " " + valuePrefix))
 522                     .build());
 523         }
 524
 525         return ret;
 526     }
 527
 528     private static MapNode createWholeInnerList(final int amount, final String valuePrefix) {
 529         return ImmutableMapNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(TestModel.INNER_LIST_QNAME))
 530                 .withValue(createInnerListMapEntries(amount, valuePrefix)).build();
 531     }
 532
 533     private static Collection<MapEntryNode> createInnerListMapEntries(final int amount, final String valuePrefix) {
 534         final Collection<MapEntryNode> ret = new ArrayList<>();
 535         for (int i = 0; i < amount; i++) {
 536             ret.add(ImmutableNodes.mapEntryBuilder()
 537                     .withNodeIdentifier(NodeIdentifierWithPredicates.of(TestModel.INNER_LIST_QNAME,
 538                             QName.create(TestModel.INNER_LIST_QNAME, "name"), Integer.toString(i)))
 539                     .withChild(ImmutableNodes
 540                             .leafNode(QName.create(TestModel.INNER_LIST_QNAME, "value"), valuePrefix + "-" + i))
 541                     .build());
 542         }
 543
 544         return ret;
 545     }
 546
 547     private static YangInstanceIdentifier getOuterListIdFor(final int id) {
 548         return TestModel.OUTER_LIST_PATH.node(NodeIdentifierWithPredicates.of(
 549                 TestModel.OUTER_LIST_QNAME, QName.create(TestModel.OUTER_LIST_QNAME, "id"), id));
 550     }
 551 }