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

   1 package org.opendaylight.controller.cluster.datastore;
   2
   3 import static org.junit.Assert.assertEquals;
   4 import static org.junit.Assert.assertNotNull;
   5 import static org.junit.Assert.assertTrue;
   6 import static org.mockito.Matchers.any;
   7 import static org.mockito.Matchers.anyString;
   8 import static org.mockito.Matchers.eq;
   9 import static org.mockito.Matchers.isA;
  10 import static org.mockito.Mockito.doReturn;
  11 import static org.mockito.Mockito.mock;
  12 import static org.mockito.Mockito.never;
  13 import static org.mockito.Mockito.verify;
  14 import static org.opendaylight.controller.cluster.datastore.TransactionType.READ_ONLY;
  15 import static org.opendaylight.controller.cluster.datastore.TransactionType.READ_WRITE;
  16 import static org.opendaylight.controller.cluster.datastore.TransactionType.WRITE_ONLY;
  17 import akka.actor.ActorRef;
  18 import akka.actor.ActorSelection;
  19 import akka.actor.ActorSystem;
  20 import akka.actor.Props;
  21 import akka.dispatch.Futures;
  22 import com.google.common.base.Optional;
  23 import com.google.common.collect.Sets;
  24 import com.google.common.util.concurrent.CheckedFuture;
  25 import com.google.common.util.concurrent.FutureCallback;
  26 import com.google.common.util.concurrent.Uninterruptibles;
  27 import java.util.Collection;
  28 import java.util.List;
  29 import java.util.concurrent.CountDownLatch;
  30 import java.util.concurrent.ExecutionException;
  31 import java.util.concurrent.TimeUnit;
  32 import java.util.concurrent.atomic.AtomicReference;
  33 import org.junit.Assert;
  34 import org.junit.Test;
  35 import org.mockito.InOrder;
  36 import org.mockito.Mockito;
  37 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
  38 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
  39 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
  40 import org.opendaylight.controller.cluster.datastore.exceptions.TimeoutException;
  41 import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
  42 import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
  43 import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
  44 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
  45 import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
  46 import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
  47 import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
  48 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
  49 import org.opendaylight.controller.cluster.datastore.shardstrategy.DefaultShardStrategy;
  50 import org.opendaylight.controller.cluster.datastore.utils.DoNothingActor;
  51 import org.opendaylight.controller.cluster.datastore.utils.NormalizedNodeAggregatorTest;
  52 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  53 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  54 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  55 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  56 import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages.CreateTransactionReply;
  57 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  58 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  59 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  60 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  61 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  62 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  63 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  64 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  65 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  66 import scala.concurrent.Promise;
  67
  68 @SuppressWarnings("resource")
  69 public class TransactionProxyTest extends AbstractTransactionProxyTest {
  70
  71     @SuppressWarnings("serial")
  72     static class TestException extends RuntimeException {
  73     }
  74
  75     static interface Invoker {
  76         CheckedFuture<?, ReadFailedException> invoke(TransactionProxy proxy) throws Exception;
  77     }
  78
  79     @Test
  80     public void testRead() throws Exception {
  81         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
  82
  83         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
  84
  85         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
  86                 eq(actorSelection(actorRef)), eqSerializedReadData());
  87
  88         Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(
  89                 TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
  90
  91         assertEquals("NormalizedNode isPresent", false, readOptional.isPresent());
  92
  93         NormalizedNode<?, ?> expectedNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
  94
  95         doReturn(readSerializedDataReply(expectedNode)).when(mockActorContext).executeOperationAsync(
  96                 eq(actorSelection(actorRef)), eqSerializedReadData());
  97
  98         readOptional = transactionProxy.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
  99
 100         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
 101
 102         assertEquals("Response NormalizedNode", expectedNode, readOptional.get());
 103     }
 104
 105     @Test(expected = ReadFailedException.class)
 106     public void testReadWithInvalidReplyMessageType() throws Exception {
 107         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 108
 109         doReturn(Futures.successful(new Object())).when(mockActorContext).
 110                 executeOperationAsync(eq(actorSelection(actorRef)), eqSerializedReadData());
 111
 112         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 113
 114         transactionProxy.read(TestModel.TEST_PATH).checkedGet(5, TimeUnit.SECONDS);
 115     }
 116
 117     @Test(expected = TestException.class)
 118     public void testReadWithAsyncRemoteOperatonFailure() throws Throwable {
 119         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 120
 121         doReturn(Futures.failed(new TestException())).when(mockActorContext).
 122                 executeOperationAsync(eq(actorSelection(actorRef)), eqSerializedReadData());
 123
 124         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 125
 126         propagateReadFailedExceptionCause(transactionProxy.read(TestModel.TEST_PATH));
 127     }
 128
 129     private void testExceptionOnInitialCreateTransaction(Exception exToThrow, Invoker invoker)
 130             throws Throwable {
 131         ActorRef actorRef = getSystem().actorOf(Props.create(DoNothingActor.class));
 132
 133         if (exToThrow instanceof PrimaryNotFoundException) {
 134             doReturn(Futures.failed(exToThrow)).when(mockActorContext).findPrimaryShardAsync(anyString());
 135         } else {
 136             doReturn(primaryShardInfoReply(getSystem(), actorRef)).
 137                     when(mockActorContext).findPrimaryShardAsync(anyString());
 138         }
 139
 140         doReturn(Futures.failed(exToThrow)).when(mockActorContext).executeOperationAsync(
 141                 any(ActorSelection.class), any());
 142
 143         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 144
 145         propagateReadFailedExceptionCause(invoker.invoke(transactionProxy));
 146     }
 147
 148     private void testReadWithExceptionOnInitialCreateTransaction(Exception exToThrow) throws Throwable {
 149         testExceptionOnInitialCreateTransaction(exToThrow, new Invoker() {
 150             @Override
 151             public CheckedFuture<?, ReadFailedException> invoke(TransactionProxy proxy) throws Exception {
 152                 return proxy.read(TestModel.TEST_PATH);
 153             }
 154         });
 155     }
 156
 157     @Test(expected = PrimaryNotFoundException.class)
 158     public void testReadWhenAPrimaryNotFoundExceptionIsThrown() throws Throwable {
 159         testReadWithExceptionOnInitialCreateTransaction(new PrimaryNotFoundException("test"));
 160     }
 161
 162     @Test(expected = TimeoutException.class)
 163     public void testReadWhenATimeoutExceptionIsThrown() throws Throwable {
 164         testReadWithExceptionOnInitialCreateTransaction(new TimeoutException("test",
 165                 new Exception("reason")));
 166     }
 167
 168     @Test(expected = TestException.class)
 169     public void testReadWhenAnyOtherExceptionIsThrown() throws Throwable {
 170         testReadWithExceptionOnInitialCreateTransaction(new TestException());
 171     }
 172
 173     @Test
 174     public void testReadWithPriorRecordingOperationSuccessful() throws Throwable {
 175         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 176
 177         NormalizedNode<?, ?> expectedNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 178
 179         expectBatchedModifications(actorRef, 1);
 180
 181         doReturn(readSerializedDataReply(expectedNode)).when(mockActorContext).executeOperationAsync(
 182                 eq(actorSelection(actorRef)), eqSerializedReadData());
 183
 184         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 185
 186         transactionProxy.write(TestModel.TEST_PATH, expectedNode);
 187
 188         Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(
 189                 TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
 190
 191         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
 192         assertEquals("Response NormalizedNode", expectedNode, readOptional.get());
 193
 194         InOrder inOrder = Mockito.inOrder(mockActorContext);
 195         inOrder.verify(mockActorContext).executeOperationAsync(
 196                 eq(actorSelection(actorRef)), isA(BatchedModifications.class));
 197
 198         inOrder.verify(mockActorContext).executeOperationAsync(
 199                 eq(actorSelection(actorRef)), eqSerializedReadData());
 200     }
 201
 202     @Test(expected=IllegalStateException.class)
 203     public void testReadPreConditionCheck() {
 204         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 205         transactionProxy.read(TestModel.TEST_PATH);
 206     }
 207
 208     @Test(expected=IllegalArgumentException.class)
 209     public void testInvalidCreateTransactionReply() throws Throwable {
 210         ActorRef actorRef = getSystem().actorOf(Props.create(DoNothingActor.class));
 211
 212         doReturn(getSystem().actorSelection(actorRef.path())).when(mockActorContext).
 213             actorSelection(actorRef.path().toString());
 214
 215         doReturn(primaryShardInfoReply(getSystem(), actorRef)).
 216             when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 217
 218         doReturn(Futures.successful(new Object())).when(mockActorContext).executeOperationAsync(
 219             eq(getSystem().actorSelection(actorRef.path())), eqCreateTransaction(memberName, READ_ONLY));
 220
 221         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 222
 223         propagateReadFailedExceptionCause(transactionProxy.read(TestModel.TEST_PATH));
 224     }
 225
 226     @Test
 227     public void testExists() throws Exception {
 228         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 229
 230         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 231
 232         doReturn(dataExistsSerializedReply(false)).when(mockActorContext).executeOperationAsync(
 233                 eq(actorSelection(actorRef)), eqSerializedDataExists());
 234
 235         Boolean exists = transactionProxy.exists(TestModel.TEST_PATH).checkedGet();
 236
 237         assertEquals("Exists response", false, exists);
 238
 239         doReturn(dataExistsSerializedReply(true)).when(mockActorContext).executeOperationAsync(
 240                 eq(actorSelection(actorRef)), eqSerializedDataExists());
 241
 242         exists = transactionProxy.exists(TestModel.TEST_PATH).checkedGet();
 243
 244         assertEquals("Exists response", true, exists);
 245     }
 246
 247     @Test(expected = PrimaryNotFoundException.class)
 248     public void testExistsWhenAPrimaryNotFoundExceptionIsThrown() throws Throwable {
 249         testExceptionOnInitialCreateTransaction(new PrimaryNotFoundException("test"), new Invoker() {
 250             @Override
 251             public CheckedFuture<?, ReadFailedException> invoke(TransactionProxy proxy) throws Exception {
 252                 return proxy.exists(TestModel.TEST_PATH);
 253             }
 254         });
 255     }
 256
 257     @Test(expected = ReadFailedException.class)
 258     public void testExistsWithInvalidReplyMessageType() throws Exception {
 259         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 260
 261         doReturn(Futures.successful(new Object())).when(mockActorContext).
 262                 executeOperationAsync(eq(actorSelection(actorRef)), eqSerializedDataExists());
 263
 264         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 265
 266         transactionProxy.exists(TestModel.TEST_PATH).checkedGet(5, TimeUnit.SECONDS);
 267     }
 268
 269     @Test(expected = TestException.class)
 270     public void testExistsWithAsyncRemoteOperatonFailure() throws Throwable {
 271         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 272
 273         doReturn(Futures.failed(new TestException())).when(mockActorContext).
 274                 executeOperationAsync(eq(actorSelection(actorRef)), eqSerializedDataExists());
 275
 276         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 277
 278         propagateReadFailedExceptionCause(transactionProxy.exists(TestModel.TEST_PATH));
 279     }
 280
 281     @Test
 282     public void testExistsWithPriorRecordingOperationSuccessful() throws Throwable {
 283         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 284
 285         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 286
 287         expectBatchedModifications(actorRef, 1);
 288
 289         doReturn(dataExistsSerializedReply(true)).when(mockActorContext).executeOperationAsync(
 290                 eq(actorSelection(actorRef)), eqSerializedDataExists());
 291
 292         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 293
 294         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 295
 296         Boolean exists = transactionProxy.exists(TestModel.TEST_PATH).checkedGet();
 297
 298         assertEquals("Exists response", true, exists);
 299
 300         InOrder inOrder = Mockito.inOrder(mockActorContext);
 301         inOrder.verify(mockActorContext).executeOperationAsync(
 302                 eq(actorSelection(actorRef)), isA(BatchedModifications.class));
 303
 304         inOrder.verify(mockActorContext).executeOperationAsync(
 305                 eq(actorSelection(actorRef)), eqSerializedDataExists());
 306     }
 307
 308     @Test(expected=IllegalStateException.class)
 309     public void testExistsPreConditionCheck() {
 310         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 311         transactionProxy.exists(TestModel.TEST_PATH);
 312     }
 313
 314     @Test
 315     public void testWrite() throws Exception {
 316         dataStoreContextBuilder.shardBatchedModificationCount(1);
 317         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 318
 319         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 320
 321         expectBatchedModifications(actorRef, 1);
 322
 323         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 324
 325         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 326
 327         verifyOneBatchedModification(actorRef, new WriteModification(TestModel.TEST_PATH, nodeToWrite), false);
 328     }
 329
 330     @Test
 331     public void testWriteAfterAsyncRead() throws Throwable {
 332         ActorRef actorRef = setupActorContextWithoutInitialCreateTransaction(getSystem(), DefaultShardStrategy.DEFAULT_SHARD);
 333
 334         Promise<Object> createTxPromise = akka.dispatch.Futures.promise();
 335         doReturn(createTxPromise).when(mockActorContext).executeOperationAsync(
 336                 eq(getSystem().actorSelection(actorRef.path())),
 337                 eqCreateTransaction(memberName, READ_WRITE));
 338
 339         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
 340                 eq(actorSelection(actorRef)), eqSerializedReadData());
 341
 342         expectBatchedModificationsReady(actorRef);
 343
 344         final NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 345
 346         final TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 347
 348         final CountDownLatch readComplete = new CountDownLatch(1);
 349         final AtomicReference<Throwable> caughtEx = new AtomicReference<>();
 350         com.google.common.util.concurrent.Futures.addCallback(transactionProxy.read(TestModel.TEST_PATH),
 351                 new  FutureCallback<Optional<NormalizedNode<?, ?>>>() {
 352                     @Override
 353                     public void onSuccess(Optional<NormalizedNode<?, ?>> result) {
 354                         try {
 355                             transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 356                         } catch (Exception e) {
 357                             caughtEx.set(e);
 358                         } finally {
 359                             readComplete.countDown();
 360                         }
 361                     }
 362
 363                     @Override
 364                     public void onFailure(Throwable t) {
 365                         caughtEx.set(t);
 366                         readComplete.countDown();
 367                     }
 368                 });
 369
 370         createTxPromise.success(createTransactionReply(actorRef, DataStoreVersions.CURRENT_VERSION));
 371
 372         Uninterruptibles.awaitUninterruptibly(readComplete, 5, TimeUnit.SECONDS);
 373
 374         if(caughtEx.get() != null) {
 375             throw caughtEx.get();
 376         }
 377
 378         // This sends the batched modification.
 379         transactionProxy.ready();
 380
 381         verifyOneBatchedModification(actorRef, new WriteModification(TestModel.TEST_PATH, nodeToWrite), true);
 382     }
 383
 384     @Test(expected=IllegalStateException.class)
 385     public void testWritePreConditionCheck() {
 386         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 387         transactionProxy.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 388     }
 389
 390     @Test(expected=IllegalStateException.class)
 391     public void testWriteAfterReadyPreConditionCheck() {
 392         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 393
 394         transactionProxy.ready();
 395
 396         transactionProxy.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 397     }
 398
 399     @Test
 400     public void testMerge() throws Exception {
 401         dataStoreContextBuilder.shardBatchedModificationCount(1);
 402         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 403
 404         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 405
 406         expectBatchedModifications(actorRef, 1);
 407
 408         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 409
 410         transactionProxy.merge(TestModel.TEST_PATH, nodeToWrite);
 411
 412         verifyOneBatchedModification(actorRef, new MergeModification(TestModel.TEST_PATH, nodeToWrite), false);
 413     }
 414
 415     @Test
 416     public void testDelete() throws Exception {
 417         dataStoreContextBuilder.shardBatchedModificationCount(1);
 418         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 419
 420         expectBatchedModifications(actorRef, 1);
 421
 422         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 423
 424         transactionProxy.delete(TestModel.TEST_PATH);
 425
 426         verifyOneBatchedModification(actorRef, new DeleteModification(TestModel.TEST_PATH), false);
 427     }
 428
 429     @Test
 430     public void testReadWrite() throws Exception {
 431         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 432
 433         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 434
 435         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
 436                 eq(actorSelection(actorRef)), eqSerializedReadData());
 437
 438         expectBatchedModifications(actorRef, 1);
 439
 440         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 441
 442         transactionProxy.read(TestModel.TEST_PATH);
 443
 444         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 445
 446         transactionProxy.read(TestModel.TEST_PATH);
 447
 448         transactionProxy.read(TestModel.TEST_PATH);
 449
 450         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
 451         assertEquals("Captured BatchedModifications count", 1, batchedModifications.size());
 452
 453         verifyBatchedModifications(batchedModifications.get(0), false,
 454                 new WriteModification(TestModel.TEST_PATH, nodeToWrite));
 455     }
 456
 457     @Test
 458     public void testReadyWithReadWrite() throws Exception {
 459         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 460
 461         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 462
 463         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
 464                 eq(actorSelection(actorRef)), eqSerializedReadData());
 465
 466         expectBatchedModificationsReady(actorRef, true);
 467
 468         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 469
 470         transactionProxy.read(TestModel.TEST_PATH);
 471
 472         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 473
 474         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 475
 476         assertTrue(ready instanceof SingleCommitCohortProxy);
 477
 478         verifyCohortFutures((SingleCommitCohortProxy)ready, new CommitTransactionReply().toSerializable());
 479
 480         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
 481         assertEquals("Captured BatchedModifications count", 1, batchedModifications.size());
 482
 483         verifyBatchedModifications(batchedModifications.get(0), true, true,
 484                 new WriteModification(TestModel.TEST_PATH, nodeToWrite));
 485
 486         assertEquals("getTotalMessageCount", 1, batchedModifications.get(0).getTotalMessagesSent());
 487     }
 488
 489     @Test
 490     public void testReadyWithNoModifications() throws Exception {
 491         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 492
 493         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
 494                 eq(actorSelection(actorRef)), eqSerializedReadData());
 495
 496         expectBatchedModificationsReady(actorRef, true);
 497
 498         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 499
 500         transactionProxy.read(TestModel.TEST_PATH);
 501
 502         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 503
 504         assertTrue(ready instanceof SingleCommitCohortProxy);
 505
 506         verifyCohortFutures((SingleCommitCohortProxy)ready, new CommitTransactionReply().toSerializable());
 507
 508         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
 509         assertEquals("Captured BatchedModifications count", 1, batchedModifications.size());
 510
 511         verifyBatchedModifications(batchedModifications.get(0), true, true);
 512     }
 513
 514     @Test
 515     public void testReadyWithMultipleShardWrites() throws Exception {
 516         ActorRef actorRef1 = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 517
 518         ActorRef actorRef2 = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY, "junk");
 519
 520         expectBatchedModificationsReady(actorRef1);
 521         expectBatchedModificationsReady(actorRef2);
 522
 523         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 524
 525         transactionProxy.write(TestModel.JUNK_PATH, ImmutableNodes.containerNode(TestModel.JUNK_QNAME));
 526         transactionProxy.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 527
 528         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 529
 530         assertTrue(ready instanceof ThreePhaseCommitCohortProxy);
 531
 532         verifyCohortFutures((ThreePhaseCommitCohortProxy)ready, actorSelection(actorRef1),
 533                 actorSelection(actorRef2));
 534     }
 535
 536     @Test
 537     public void testReadyWithWriteOnlyAndLastBatchPending() throws Exception {
 538         dataStoreContextBuilder.writeOnlyTransactionOptimizationsEnabled(true);
 539
 540         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 541
 542         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 543
 544         expectBatchedModificationsReady(actorRef, true);
 545
 546         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 547
 548         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 549
 550         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 551
 552         assertTrue(ready instanceof SingleCommitCohortProxy);
 553
 554         verifyCohortFutures((SingleCommitCohortProxy)ready, new CommitTransactionReply().toSerializable());
 555
 556         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
 557         assertEquals("Captured BatchedModifications count", 1, batchedModifications.size());
 558
 559         verifyBatchedModifications(batchedModifications.get(0), true, true,
 560                 new WriteModification(TestModel.TEST_PATH, nodeToWrite));
 561
 562         verify(mockActorContext, never()).executeOperationAsync(eq(actorSelection(actorRef)),
 563                 isA(ReadyTransaction.SERIALIZABLE_CLASS));
 564     }
 565
 566     @Test
 567     public void testReadyWithWriteOnlyAndLastBatchEmpty() throws Exception {
 568         dataStoreContextBuilder.shardBatchedModificationCount(1).writeOnlyTransactionOptimizationsEnabled(true);
 569         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 570
 571         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 572
 573         expectBatchedModificationsReady(actorRef, true);
 574
 575         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 576
 577         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 578
 579         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 580
 581         assertTrue(ready instanceof SingleCommitCohortProxy);
 582
 583         verifyCohortFutures((SingleCommitCohortProxy)ready, new CommitTransactionReply().toSerializable());
 584
 585         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
 586         assertEquals("Captured BatchedModifications count", 2, batchedModifications.size());
 587
 588         verifyBatchedModifications(batchedModifications.get(0), false,
 589                 new WriteModification(TestModel.TEST_PATH, nodeToWrite));
 590
 591         verifyBatchedModifications(batchedModifications.get(1), true, true);
 592
 593         verify(mockActorContext, never()).executeOperationAsync(eq(actorSelection(actorRef)),
 594                 isA(ReadyTransaction.SERIALIZABLE_CLASS));
 595     }
 596
 597     @Test
 598     public void testReadyWithReplyFailure() throws Exception {
 599         dataStoreContextBuilder.writeOnlyTransactionOptimizationsEnabled(true);
 600
 601         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 602
 603         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 604
 605         expectFailedBatchedModifications(actorRef);
 606
 607         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 608
 609         transactionProxy.merge(TestModel.TEST_PATH, nodeToWrite);
 610
 611         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 612
 613         assertTrue(ready instanceof SingleCommitCohortProxy);
 614
 615         verifyCohortFutures((SingleCommitCohortProxy)ready, TestException.class);
 616     }
 617
 618     private void testWriteOnlyTxWithFindPrimaryShardFailure(Exception toThrow) throws Exception {
 619         doReturn(Futures.failed(toThrow)).when(mockActorContext).findPrimaryShardAsync(anyString());
 620
 621         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 622
 623         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 624
 625         transactionProxy.merge(TestModel.TEST_PATH, nodeToWrite);
 626
 627         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 628
 629         transactionProxy.delete(TestModel.TEST_PATH);
 630
 631         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 632
 633         assertTrue(ready instanceof SingleCommitCohortProxy);
 634
 635         verifyCohortFutures((SingleCommitCohortProxy)ready, toThrow.getClass());
 636     }
 637
 638     @Test
 639     public void testWriteOnlyTxWithPrimaryNotFoundException() throws Exception {
 640         testWriteOnlyTxWithFindPrimaryShardFailure(new PrimaryNotFoundException("mock"));
 641     }
 642
 643     @Test
 644     public void testWriteOnlyTxWithNotInitializedException() throws Exception {
 645         testWriteOnlyTxWithFindPrimaryShardFailure(new NotInitializedException("mock"));
 646     }
 647
 648     @Test
 649     public void testWriteOnlyTxWithNoShardLeaderException() throws Exception {
 650         testWriteOnlyTxWithFindPrimaryShardFailure(new NoShardLeaderException("mock"));
 651     }
 652
 653     @Test
 654     public void testReadyWithInvalidReplyMessageType() throws Exception {
 655         dataStoreContextBuilder.writeOnlyTransactionOptimizationsEnabled(true);
 656         ActorRef actorRef1 = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
 657
 658         ActorRef actorRef2 = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY, "junk");
 659
 660         doReturn(Futures.successful(new Object())).when(mockActorContext).
 661                 executeOperationAsync(eq(actorSelection(actorRef1)), isA(BatchedModifications.class));
 662
 663         expectBatchedModificationsReady(actorRef2);
 664
 665         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, WRITE_ONLY);
 666
 667         transactionProxy.write(TestModel.JUNK_PATH, ImmutableNodes.containerNode(TestModel.JUNK_QNAME));
 668         transactionProxy.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 669
 670         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 671
 672         assertTrue(ready instanceof ThreePhaseCommitCohortProxy);
 673
 674         verifyCohortFutures((ThreePhaseCommitCohortProxy)ready, actorSelection(actorRef2),
 675                 IllegalArgumentException.class);
 676     }
 677
 678     @Test
 679     public void testGetIdentifier() {
 680         setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 681         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 682
 683         Object id = transactionProxy.getIdentifier();
 684         assertNotNull("getIdentifier returned null", id);
 685         assertTrue("Invalid identifier: " + id, id.toString().startsWith(memberName));
 686     }
 687
 688     @Test
 689     public void testClose() throws Exception{
 690         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 691
 692         doReturn(readSerializedDataReply(null)).when(mockActorContext).executeOperationAsync(
 693                 eq(actorSelection(actorRef)), eqSerializedReadData());
 694
 695         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 696
 697         transactionProxy.read(TestModel.TEST_PATH);
 698
 699         transactionProxy.close();
 700
 701         verify(mockActorContext).sendOperationAsync(
 702                 eq(actorSelection(actorRef)), isA(CloseTransaction.SERIALIZABLE_CLASS));
 703     }
 704
 705
 706     /**
 707      * Method to test a local Tx actor. The Tx paths are matched to decide if the
 708      * Tx actor is local or not. This is done by mocking the Tx actor path
 709      * and the caller paths and ensuring that the paths have the remote-address format
 710      *
 711      * Note: Since the default akka provider for test is not a RemoteActorRefProvider,
 712      * the paths returned for the actors for all the tests are not qualified remote paths.
 713      * Hence are treated as non-local/remote actors. In short, all tests except
 714      * few below run for remote actors
 715      *
 716      * @throws Exception
 717      */
 718     @Test
 719     public void testLocalTxActorRead() throws Exception {
 720         setupActorContextWithInitialCreateTransaction(getSystem(), READ_ONLY);
 721         doReturn(true).when(mockActorContext).isPathLocal(anyString());
 722
 723         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
 724
 725         // negative test case with null as the reply
 726         doReturn(readDataReply(null)).when(mockActorContext).executeOperationAsync(
 727             any(ActorSelection.class), eqReadData());
 728
 729         Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(
 730             TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
 731
 732         assertEquals("NormalizedNode isPresent", false, readOptional.isPresent());
 733
 734         // test case with node as read data reply
 735         NormalizedNode<?, ?> expectedNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 736
 737         doReturn(readDataReply(expectedNode)).when(mockActorContext).executeOperationAsync(
 738             any(ActorSelection.class), eqReadData());
 739
 740         readOptional = transactionProxy.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
 741
 742         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
 743
 744         assertEquals("Response NormalizedNode", expectedNode, readOptional.get());
 745
 746         // test for local data exists
 747         doReturn(dataExistsReply(true)).when(mockActorContext).executeOperationAsync(
 748             any(ActorSelection.class), eqDataExists());
 749
 750         boolean exists = transactionProxy.exists(TestModel.TEST_PATH).checkedGet();
 751
 752         assertEquals("Exists response", true, exists);
 753     }
 754
 755     @Test
 756     public void testLocalTxActorReady() throws Exception {
 757         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
 758         doReturn(true).when(mockActorContext).isPathLocal(anyString());
 759
 760         expectBatchedModificationsReady(actorRef, true);
 761
 762         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 763
 764         NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 765         transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 766
 767         DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
 768
 769         assertTrue(ready instanceof SingleCommitCohortProxy);
 770
 771         verifyCohortFutures((SingleCommitCohortProxy)ready, new CommitTransactionReply().toSerializable());
 772     }
 773
 774     private static interface TransactionProxyOperation {
 775         void run(TransactionProxy transactionProxy);
 776     }
 777
 778     private void throttleOperation(TransactionProxyOperation operation) {
 779         throttleOperation(operation, 1, true);
 780     }
 781
 782     private PrimaryShardInfo newPrimaryShardInfo(ActorRef actorRef){
 783         return new PrimaryShardInfo(getSystem().actorSelection(actorRef.path()), Optional.<DataTree>absent());
 784     }
 785
 786     private PrimaryShardInfo newPrimaryShardInfo(ActorRef actorRef, Optional<DataTree> dataTreeOptional){
 787         return new PrimaryShardInfo(getSystem().actorSelection(actorRef.path()), dataTreeOptional);
 788     }
 789
 790
 791     private void throttleOperation(TransactionProxyOperation operation, int outstandingOpsLimit, boolean shardFound){
 792         ActorSystem actorSystem = getSystem();
 793         ActorRef shardActorRef = actorSystem.actorOf(Props.create(DoNothingActor.class));
 794
 795         doReturn(outstandingOpsLimit).when(mockActorContext).getTransactionOutstandingOperationLimit();
 796
 797         doReturn(actorSystem.actorSelection(shardActorRef.path())).
 798                 when(mockActorContext).actorSelection(shardActorRef.path().toString());
 799
 800         if(shardFound) {
 801             doReturn(Futures.successful(newPrimaryShardInfo(shardActorRef))).
 802                     when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 803         } else {
 804             doReturn(Futures.failed(new Exception("not found")))
 805                     .when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 806         }
 807
 808         String actorPath = "akka.tcp://system@127.0.0.1:2550/user/tx-actor";
 809         CreateTransactionReply createTransactionReply = CreateTransactionReply.newBuilder().
 810                 setTransactionId("txn-1").setTransactionActorPath(actorPath).
 811                 setMessageVersion(DataStoreVersions.CURRENT_VERSION).build();
 812
 813         doReturn(Futures.successful(createTransactionReply)).when(mockActorContext).
 814                 executeOperationAsync(eq(actorSystem.actorSelection(shardActorRef.path())),
 815                         eqCreateTransaction(memberName, READ_WRITE));
 816
 817         doReturn(true).when(mockActorContext).isPathLocal(actorPath);
 818
 819         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 820
 821         long start = System.nanoTime();
 822
 823         operation.run(transactionProxy);
 824
 825         long end = System.nanoTime();
 826
 827         long expected = TimeUnit.SECONDS.toNanos(mockActorContext.getDatastoreContext().getOperationTimeoutInSeconds());
 828         Assert.assertTrue(String.format("Expected elapsed time: %s. Actual: %s",
 829                 expected, (end-start)), (end - start) > expected);
 830
 831     }
 832
 833     private void completeOperation(TransactionProxyOperation operation){
 834         completeOperation(operation, true);
 835     }
 836
 837     private void completeOperation(TransactionProxyOperation operation, boolean shardFound){
 838         ActorSystem actorSystem = getSystem();
 839         ActorRef shardActorRef = actorSystem.actorOf(Props.create(DoNothingActor.class));
 840
 841         doReturn(1).when(mockActorContext).getTransactionOutstandingOperationLimit();
 842
 843         doReturn(actorSystem.actorSelection(shardActorRef.path())).
 844                 when(mockActorContext).actorSelection(shardActorRef.path().toString());
 845
 846         if(shardFound) {
 847             doReturn(Futures.successful(newPrimaryShardInfo(shardActorRef))).
 848                     when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 849         } else {
 850             doReturn(Futures.failed(new PrimaryNotFoundException("test")))
 851                     .when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 852         }
 853
 854         ActorRef txActorRef = actorSystem.actorOf(Props.create(DoNothingActor.class));
 855         String actorPath = txActorRef.path().toString();
 856         CreateTransactionReply createTransactionReply = CreateTransactionReply.newBuilder().
 857                 setTransactionId("txn-1").setTransactionActorPath(actorPath).
 858                 setMessageVersion(DataStoreVersions.CURRENT_VERSION).build();
 859
 860         doReturn(actorSystem.actorSelection(actorPath)).when(mockActorContext).actorSelection(actorPath);
 861
 862         doReturn(Futures.successful(createTransactionReply)).when(mockActorContext).
 863                 executeOperationAsync(eq(actorSystem.actorSelection(shardActorRef.path())),
 864                         eqCreateTransaction(memberName, READ_WRITE));
 865
 866         doReturn(true).when(mockActorContext).isPathLocal(anyString());
 867
 868         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 869
 870         long start = System.nanoTime();
 871
 872         operation.run(transactionProxy);
 873
 874         long end = System.nanoTime();
 875
 876         long expected = TimeUnit.SECONDS.toNanos(mockActorContext.getDatastoreContext().getOperationTimeoutInSeconds());
 877         Assert.assertTrue(String.format("Expected elapsed time: %s. Actual: %s",
 878                 expected, (end-start)), (end - start) <= expected);
 879     }
 880
 881     private void completeOperationLocal(TransactionProxyOperation operation, Optional<DataTree> dataTreeOptional){
 882         ActorSystem actorSystem = getSystem();
 883         ActorRef shardActorRef = actorSystem.actorOf(Props.create(DoNothingActor.class));
 884
 885         doReturn(1).when(mockActorContext).getTransactionOutstandingOperationLimit();
 886
 887         doReturn(actorSystem.actorSelection(shardActorRef.path())).
 888                 when(mockActorContext).actorSelection(shardActorRef.path().toString());
 889
 890         doReturn(Futures.successful(newPrimaryShardInfo(shardActorRef, dataTreeOptional))).
 891                 when(mockActorContext).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
 892
 893         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
 894
 895         long start = System.nanoTime();
 896
 897         operation.run(transactionProxy);
 898
 899         long end = System.nanoTime();
 900
 901         long expected = TimeUnit.SECONDS.toNanos(mockActorContext.getDatastoreContext().getOperationTimeoutInSeconds());
 902         Assert.assertTrue(String.format("Expected elapsed time: %s. Actual: %s",
 903                 expected, (end-start)), (end - start) <= expected);
 904     }
 905
 906     private Optional<DataTree> createDataTree(){
 907         DataTree dataTree = mock(DataTree.class);
 908         Optional<DataTree> dataTreeOptional = Optional.of(dataTree);
 909         DataTreeSnapshot dataTreeSnapshot = mock(DataTreeSnapshot.class);
 910         DataTreeModification dataTreeModification = mock(DataTreeModification.class);
 911
 912         doReturn(dataTreeSnapshot).when(dataTree).takeSnapshot();
 913         doReturn(dataTreeModification).when(dataTreeSnapshot).newModification();
 914
 915         return dataTreeOptional;
 916     }
 917
 918     private Optional<DataTree> createDataTree(NormalizedNode readResponse){
 919         DataTree dataTree = mock(DataTree.class);
 920         Optional<DataTree> dataTreeOptional = Optional.of(dataTree);
 921         DataTreeSnapshot dataTreeSnapshot = mock(DataTreeSnapshot.class);
 922         DataTreeModification dataTreeModification = mock(DataTreeModification.class);
 923
 924         doReturn(dataTreeSnapshot).when(dataTree).takeSnapshot();
 925         doReturn(dataTreeModification).when(dataTreeSnapshot).newModification();
 926         doReturn(Optional.of(readResponse)).when(dataTreeModification).readNode(any(YangInstanceIdentifier.class));
 927
 928         return dataTreeOptional;
 929     }
 930
 931
 932     @Test
 933     public void testWriteCompletionForLocalShard(){
 934         dataStoreContextBuilder.shardBatchedModificationCount(1);
 935         completeOperationLocal(new TransactionProxyOperation() {
 936             @Override
 937             public void run(TransactionProxy transactionProxy) {
 938                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 939
 940                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 941
 942                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 943
 944             }
 945         }, createDataTree());
 946     }
 947
 948     @Test
 949     public void testWriteThrottlingWhenShardFound(){
 950         dataStoreContextBuilder.shardBatchedModificationCount(1);
 951         throttleOperation(new TransactionProxyOperation() {
 952             @Override
 953             public void run(TransactionProxy transactionProxy) {
 954                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 955
 956                 expectIncompleteBatchedModifications();
 957
 958                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 959
 960                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 961             }
 962         });
 963     }
 964
 965     @Test
 966     public void testWriteThrottlingWhenShardNotFound(){
 967         // Confirm that there is no throttling when the Shard is not found
 968         dataStoreContextBuilder.shardBatchedModificationCount(1);
 969         completeOperation(new TransactionProxyOperation() {
 970             @Override
 971             public void run(TransactionProxy transactionProxy) {
 972                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 973
 974                 expectBatchedModifications(2);
 975
 976                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 977
 978                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 979             }
 980         }, false);
 981
 982     }
 983
 984
 985     @Test
 986     public void testWriteCompletion(){
 987         dataStoreContextBuilder.shardBatchedModificationCount(1);
 988         completeOperation(new TransactionProxyOperation() {
 989             @Override
 990             public void run(TransactionProxy transactionProxy) {
 991                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 992
 993                 expectBatchedModifications(2);
 994
 995                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 996
 997                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
 998             }
 999         });
1000     }
1001
1002     @Test
1003     public void testMergeThrottlingWhenShardFound(){
1004         dataStoreContextBuilder.shardBatchedModificationCount(1);
1005         throttleOperation(new TransactionProxyOperation() {
1006             @Override
1007             public void run(TransactionProxy transactionProxy) {
1008                 NormalizedNode<?, ?> nodeToMerge = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1009
1010                 expectIncompleteBatchedModifications();
1011
1012                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1013
1014                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1015             }
1016         });
1017     }
1018
1019     @Test
1020     public void testMergeThrottlingWhenShardNotFound(){
1021         dataStoreContextBuilder.shardBatchedModificationCount(1);
1022         completeOperation(new TransactionProxyOperation() {
1023             @Override
1024             public void run(TransactionProxy transactionProxy) {
1025                 NormalizedNode<?, ?> nodeToMerge = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1026
1027                 expectBatchedModifications(2);
1028
1029                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1030
1031                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1032             }
1033         }, false);
1034     }
1035
1036     @Test
1037     public void testMergeCompletion(){
1038         dataStoreContextBuilder.shardBatchedModificationCount(1);
1039         completeOperation(new TransactionProxyOperation() {
1040             @Override
1041             public void run(TransactionProxy transactionProxy) {
1042                 NormalizedNode<?, ?> nodeToMerge = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1043
1044                 expectBatchedModifications(2);
1045
1046                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1047
1048                 transactionProxy.merge(TestModel.TEST_PATH, nodeToMerge);
1049             }
1050         });
1051
1052     }
1053
1054     @Test
1055     public void testMergeCompletionForLocalShard(){
1056         dataStoreContextBuilder.shardBatchedModificationCount(1);
1057         completeOperationLocal(new TransactionProxyOperation() {
1058             @Override
1059             public void run(TransactionProxy transactionProxy) {
1060                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1061
1062                 transactionProxy.merge(TestModel.TEST_PATH, nodeToWrite);
1063
1064                 transactionProxy.merge(TestModel.TEST_PATH, nodeToWrite);
1065
1066             }
1067         }, createDataTree());
1068     }
1069
1070
1071     @Test
1072     public void testDeleteThrottlingWhenShardFound(){
1073
1074         throttleOperation(new TransactionProxyOperation() {
1075             @Override
1076             public void run(TransactionProxy transactionProxy) {
1077                 expectIncompleteBatchedModifications();
1078
1079                 transactionProxy.delete(TestModel.TEST_PATH);
1080
1081                 transactionProxy.delete(TestModel.TEST_PATH);
1082             }
1083         });
1084     }
1085
1086
1087     @Test
1088     public void testDeleteThrottlingWhenShardNotFound(){
1089
1090         completeOperation(new TransactionProxyOperation() {
1091             @Override
1092             public void run(TransactionProxy transactionProxy) {
1093                 expectBatchedModifications(2);
1094
1095                 transactionProxy.delete(TestModel.TEST_PATH);
1096
1097                 transactionProxy.delete(TestModel.TEST_PATH);
1098             }
1099         }, false);
1100     }
1101
1102     @Test
1103     public void testDeleteCompletionForLocalShard(){
1104         dataStoreContextBuilder.shardBatchedModificationCount(1);
1105         completeOperationLocal(new TransactionProxyOperation() {
1106             @Override
1107             public void run(TransactionProxy transactionProxy) {
1108
1109                 transactionProxy.delete(TestModel.TEST_PATH);
1110
1111                 transactionProxy.delete(TestModel.TEST_PATH);
1112             }
1113         }, createDataTree());
1114
1115     }
1116
1117     @Test
1118     public void testDeleteCompletion(){
1119         dataStoreContextBuilder.shardBatchedModificationCount(1);
1120         completeOperation(new TransactionProxyOperation() {
1121             @Override
1122             public void run(TransactionProxy transactionProxy) {
1123                 expectBatchedModifications(2);
1124
1125                 transactionProxy.delete(TestModel.TEST_PATH);
1126
1127                 transactionProxy.delete(TestModel.TEST_PATH);
1128             }
1129         });
1130
1131     }
1132
1133     @Test
1134     public void testReadThrottlingWhenShardFound(){
1135
1136         throttleOperation(new TransactionProxyOperation() {
1137             @Override
1138             public void run(TransactionProxy transactionProxy) {
1139                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1140                         any(ActorSelection.class), eqReadData());
1141
1142                 transactionProxy.read(TestModel.TEST_PATH);
1143
1144                 transactionProxy.read(TestModel.TEST_PATH);
1145             }
1146         });
1147     }
1148
1149     @Test
1150     public void testReadThrottlingWhenShardNotFound(){
1151
1152         completeOperation(new TransactionProxyOperation() {
1153             @Override
1154             public void run(TransactionProxy transactionProxy) {
1155                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1156                         any(ActorSelection.class), eqReadData());
1157
1158                 transactionProxy.read(TestModel.TEST_PATH);
1159
1160                 transactionProxy.read(TestModel.TEST_PATH);
1161             }
1162         }, false);
1163     }
1164
1165
1166     @Test
1167     public void testReadCompletion(){
1168         completeOperation(new TransactionProxyOperation() {
1169             @Override
1170             public void run(TransactionProxy transactionProxy) {
1171                 NormalizedNode<?, ?> nodeToRead = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1172
1173                 doReturn(readDataReply(nodeToRead)).when(mockActorContext).executeOperationAsync(
1174                         any(ActorSelection.class), eqReadData());
1175
1176                 transactionProxy.read(TestModel.TEST_PATH);
1177
1178                 transactionProxy.read(TestModel.TEST_PATH);
1179             }
1180         });
1181
1182     }
1183
1184     @Test
1185     public void testReadCompletionForLocalShard(){
1186         final NormalizedNode nodeToRead = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1187         completeOperationLocal(new TransactionProxyOperation() {
1188             @Override
1189             public void run(TransactionProxy transactionProxy) {
1190                 transactionProxy.read(TestModel.TEST_PATH);
1191
1192                 transactionProxy.read(TestModel.TEST_PATH);
1193             }
1194         }, createDataTree(nodeToRead));
1195
1196     }
1197
1198     @Test
1199     public void testReadCompletionForLocalShardWhenExceptionOccurs(){
1200         completeOperationLocal(new TransactionProxyOperation() {
1201             @Override
1202             public void run(TransactionProxy transactionProxy) {
1203                 transactionProxy.read(TestModel.TEST_PATH);
1204
1205                 transactionProxy.read(TestModel.TEST_PATH);
1206             }
1207         }, createDataTree());
1208
1209     }
1210
1211     @Test
1212     public void testExistsThrottlingWhenShardFound(){
1213
1214         throttleOperation(new TransactionProxyOperation() {
1215             @Override
1216             public void run(TransactionProxy transactionProxy) {
1217                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1218                         any(ActorSelection.class), eqDataExists());
1219
1220                 transactionProxy.exists(TestModel.TEST_PATH);
1221
1222                 transactionProxy.exists(TestModel.TEST_PATH);
1223             }
1224         });
1225     }
1226
1227     @Test
1228     public void testExistsThrottlingWhenShardNotFound(){
1229
1230         completeOperation(new TransactionProxyOperation() {
1231             @Override
1232             public void run(TransactionProxy transactionProxy) {
1233                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1234                         any(ActorSelection.class), eqDataExists());
1235
1236                 transactionProxy.exists(TestModel.TEST_PATH);
1237
1238                 transactionProxy.exists(TestModel.TEST_PATH);
1239             }
1240         }, false);
1241     }
1242
1243
1244     @Test
1245     public void testExistsCompletion(){
1246         completeOperation(new TransactionProxyOperation() {
1247             @Override
1248             public void run(TransactionProxy transactionProxy) {
1249                 doReturn(dataExistsReply(true)).when(mockActorContext).executeOperationAsync(
1250                         any(ActorSelection.class), eqDataExists());
1251
1252                 transactionProxy.exists(TestModel.TEST_PATH);
1253
1254                 transactionProxy.exists(TestModel.TEST_PATH);
1255             }
1256         });
1257
1258     }
1259
1260     @Test
1261     public void testExistsCompletionForLocalShard(){
1262         final NormalizedNode nodeToRead = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1263         completeOperationLocal(new TransactionProxyOperation() {
1264             @Override
1265             public void run(TransactionProxy transactionProxy) {
1266                 transactionProxy.exists(TestModel.TEST_PATH);
1267
1268                 transactionProxy.exists(TestModel.TEST_PATH);
1269             }
1270         }, createDataTree(nodeToRead));
1271
1272     }
1273
1274     @Test
1275     public void testExistsCompletionForLocalShardWhenExceptionOccurs(){
1276         completeOperationLocal(new TransactionProxyOperation() {
1277             @Override
1278             public void run(TransactionProxy transactionProxy) {
1279                 transactionProxy.exists(TestModel.TEST_PATH);
1280
1281                 transactionProxy.exists(TestModel.TEST_PATH);
1282             }
1283         }, createDataTree());
1284
1285     }
1286     @Test
1287     public void testReadyThrottling(){
1288
1289         throttleOperation(new TransactionProxyOperation() {
1290             @Override
1291             public void run(TransactionProxy transactionProxy) {
1292                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1293
1294                 expectBatchedModifications(1);
1295
1296                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1297                         any(ActorSelection.class), any(ReadyTransaction.class));
1298
1299                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
1300
1301                 transactionProxy.ready();
1302             }
1303         });
1304     }
1305
1306     @Test
1307     public void testReadyThrottlingWithTwoTransactionContexts(){
1308
1309         throttleOperation(new TransactionProxyOperation() {
1310             @Override
1311             public void run(TransactionProxy transactionProxy) {
1312                 NormalizedNode<?, ?> nodeToWrite = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1313                 NormalizedNode<?, ?> carsNode = ImmutableNodes.containerNode(CarsModel.BASE_QNAME);
1314
1315                 expectBatchedModifications(2);
1316
1317                 doReturn(incompleteFuture()).when(mockActorContext).executeOperationAsync(
1318                         any(ActorSelection.class), any(ReadyTransaction.class));
1319
1320                 transactionProxy.write(TestModel.TEST_PATH, nodeToWrite);
1321
1322                 transactionProxy.write(TestModel.TEST_PATH, carsNode);
1323
1324                 transactionProxy.ready();
1325             }
1326         }, 2, true);
1327     }
1328
1329     private void testModificationOperationBatching(TransactionType type) throws Exception {
1330         int shardBatchedModificationCount = 3;
1331         dataStoreContextBuilder.shardBatchedModificationCount(shardBatchedModificationCount);
1332
1333         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), type);
1334
1335         expectBatchedModifications(actorRef, shardBatchedModificationCount);
1336
1337         YangInstanceIdentifier writePath1 = TestModel.TEST_PATH;
1338         NormalizedNode<?, ?> writeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1339
1340         YangInstanceIdentifier writePath2 = TestModel.OUTER_LIST_PATH;
1341         NormalizedNode<?, ?> writeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
1342
1343         YangInstanceIdentifier writePath3 = TestModel.INNER_LIST_PATH;
1344         NormalizedNode<?, ?> writeNode3 = ImmutableNodes.containerNode(TestModel.INNER_LIST_QNAME);
1345
1346         YangInstanceIdentifier mergePath1 = TestModel.TEST_PATH;
1347         NormalizedNode<?, ?> mergeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1348
1349         YangInstanceIdentifier mergePath2 = TestModel.OUTER_LIST_PATH;
1350         NormalizedNode<?, ?> mergeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
1351
1352         YangInstanceIdentifier mergePath3 = TestModel.INNER_LIST_PATH;
1353         NormalizedNode<?, ?> mergeNode3 = ImmutableNodes.containerNode(TestModel.INNER_LIST_QNAME);
1354
1355         YangInstanceIdentifier deletePath1 = TestModel.TEST_PATH;
1356         YangInstanceIdentifier deletePath2 = TestModel.OUTER_LIST_PATH;
1357
1358         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, type);
1359
1360         transactionProxy.write(writePath1, writeNode1);
1361         transactionProxy.write(writePath2, writeNode2);
1362         transactionProxy.delete(deletePath1);
1363         transactionProxy.merge(mergePath1, mergeNode1);
1364         transactionProxy.merge(mergePath2, mergeNode2);
1365         transactionProxy.write(writePath3, writeNode3);
1366         transactionProxy.merge(mergePath3, mergeNode3);
1367         transactionProxy.delete(deletePath2);
1368
1369         // This sends the last batch.
1370         transactionProxy.ready();
1371
1372         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
1373         assertEquals("Captured BatchedModifications count", 3, batchedModifications.size());
1374
1375         verifyBatchedModifications(batchedModifications.get(0), false, new WriteModification(writePath1, writeNode1),
1376                 new WriteModification(writePath2, writeNode2), new DeleteModification(deletePath1));
1377
1378         verifyBatchedModifications(batchedModifications.get(1), false, new MergeModification(mergePath1, mergeNode1),
1379                 new MergeModification(mergePath2, mergeNode2), new WriteModification(writePath3, writeNode3));
1380
1381         verifyBatchedModifications(batchedModifications.get(2), true, true,
1382                 new MergeModification(mergePath3, mergeNode3), new DeleteModification(deletePath2));
1383
1384         assertEquals("getTotalMessageCount", 3, batchedModifications.get(2).getTotalMessagesSent());
1385     }
1386
1387     @Test
1388     public void testReadWriteModificationOperationBatching() throws Throwable {
1389         testModificationOperationBatching(READ_WRITE);
1390     }
1391
1392     @Test
1393     public void testWriteOnlyModificationOperationBatching() throws Throwable {
1394         testModificationOperationBatching(WRITE_ONLY);
1395     }
1396
1397     @Test
1398     public void testOptimizedWriteOnlyModificationOperationBatching() throws Throwable {
1399         dataStoreContextBuilder.writeOnlyTransactionOptimizationsEnabled(true);
1400         testModificationOperationBatching(WRITE_ONLY);
1401     }
1402
1403     @Test
1404     public void testModificationOperationBatchingWithInterleavedReads() throws Throwable {
1405
1406         int shardBatchedModificationCount = 10;
1407         dataStoreContextBuilder.shardBatchedModificationCount(shardBatchedModificationCount);
1408
1409         ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
1410
1411         expectBatchedModifications(actorRef, shardBatchedModificationCount);
1412
1413         YangInstanceIdentifier writePath1 = TestModel.TEST_PATH;
1414         NormalizedNode<?, ?> writeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1415
1416         YangInstanceIdentifier writePath2 = TestModel.OUTER_LIST_PATH;
1417         NormalizedNode<?, ?> writeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
1418
1419         YangInstanceIdentifier mergePath1 = TestModel.TEST_PATH;
1420         NormalizedNode<?, ?> mergeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1421
1422         YangInstanceIdentifier mergePath2 = TestModel.INNER_LIST_PATH;
1423         NormalizedNode<?, ?> mergeNode2 = ImmutableNodes.containerNode(TestModel.INNER_LIST_QNAME);
1424
1425         YangInstanceIdentifier deletePath = TestModel.OUTER_LIST_PATH;
1426
1427         doReturn(readSerializedDataReply(writeNode2)).when(mockActorContext).executeOperationAsync(
1428                 eq(actorSelection(actorRef)), eqSerializedReadData(writePath2));
1429
1430         doReturn(readSerializedDataReply(mergeNode2)).when(mockActorContext).executeOperationAsync(
1431                 eq(actorSelection(actorRef)), eqSerializedReadData(mergePath2));
1432
1433         doReturn(dataExistsSerializedReply(true)).when(mockActorContext).executeOperationAsync(
1434                 eq(actorSelection(actorRef)), eqSerializedDataExists());
1435
1436         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_WRITE);
1437
1438         transactionProxy.write(writePath1, writeNode1);
1439         transactionProxy.write(writePath2, writeNode2);
1440
1441         Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(writePath2).
1442                 get(5, TimeUnit.SECONDS);
1443
1444         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
1445         assertEquals("Response NormalizedNode", writeNode2, readOptional.get());
1446
1447         transactionProxy.merge(mergePath1, mergeNode1);
1448         transactionProxy.merge(mergePath2, mergeNode2);
1449
1450         readOptional = transactionProxy.read(mergePath2).get(5, TimeUnit.SECONDS);
1451
1452         transactionProxy.delete(deletePath);
1453
1454         Boolean exists = transactionProxy.exists(TestModel.TEST_PATH).checkedGet();
1455         assertEquals("Exists response", true, exists);
1456
1457         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
1458         assertEquals("Response NormalizedNode", mergeNode2, readOptional.get());
1459
1460         List<BatchedModifications> batchedModifications = captureBatchedModifications(actorRef);
1461         assertEquals("Captured BatchedModifications count", 3, batchedModifications.size());
1462
1463         verifyBatchedModifications(batchedModifications.get(0), false, new WriteModification(writePath1, writeNode1),
1464                 new WriteModification(writePath2, writeNode2));
1465
1466         verifyBatchedModifications(batchedModifications.get(1), false, new MergeModification(mergePath1, mergeNode1),
1467                 new MergeModification(mergePath2, mergeNode2));
1468
1469         verifyBatchedModifications(batchedModifications.get(2), false, new DeleteModification(deletePath));
1470
1471         InOrder inOrder = Mockito.inOrder(mockActorContext);
1472         inOrder.verify(mockActorContext).executeOperationAsync(
1473                 eq(actorSelection(actorRef)), isA(BatchedModifications.class));
1474
1475         inOrder.verify(mockActorContext).executeOperationAsync(
1476                 eq(actorSelection(actorRef)), eqSerializedReadData(writePath2));
1477
1478         inOrder.verify(mockActorContext).executeOperationAsync(
1479                 eq(actorSelection(actorRef)), isA(BatchedModifications.class));
1480
1481         inOrder.verify(mockActorContext).executeOperationAsync(
1482                 eq(actorSelection(actorRef)), eqSerializedReadData(mergePath2));
1483
1484         inOrder.verify(mockActorContext).executeOperationAsync(
1485                 eq(actorSelection(actorRef)), isA(BatchedModifications.class));
1486
1487         inOrder.verify(mockActorContext).executeOperationAsync(
1488                 eq(actorSelection(actorRef)), eqSerializedDataExists());
1489     }
1490
1491     @Test
1492     public void testReadRoot() throws ReadFailedException, InterruptedException, ExecutionException, java.util.concurrent.TimeoutException {
1493
1494         SchemaContext schemaContext = SchemaContextHelper.full();
1495         Configuration configuration = mock(Configuration.class);
1496         doReturn(configuration).when(mockActorContext).getConfiguration();
1497         doReturn(schemaContext).when(mockActorContext).getSchemaContext();
1498         doReturn(Sets.newHashSet("test", "cars")).when(configuration).getAllShardNames();
1499
1500         NormalizedNode<?, ?> expectedNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
1501         NormalizedNode<?, ?> expectedNode2 = ImmutableNodes.containerNode(CarsModel.CARS_QNAME);
1502
1503         setUpReadData("test", NormalizedNodeAggregatorTest.getRootNode(expectedNode1, schemaContext));
1504         setUpReadData("cars", NormalizedNodeAggregatorTest.getRootNode(expectedNode2, schemaContext));
1505
1506         doReturn(memberName).when(mockActorContext).getCurrentMemberName();
1507
1508         doReturn(10).when(mockActorContext).getTransactionOutstandingOperationLimit();
1509
1510         doReturn(getSystem().dispatchers().defaultGlobalDispatcher()).when(mockActorContext).getClientDispatcher();
1511
1512         TransactionProxy transactionProxy = new TransactionProxy(mockComponentFactory, READ_ONLY);
1513
1514         Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(
1515                 YangInstanceIdentifier.builder().build()).get(5, TimeUnit.SECONDS);
1516
1517         assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
1518
1519         NormalizedNode<?, ?> normalizedNode = readOptional.get();
1520
1521         assertTrue("Expect value to be a Collection", normalizedNode.getValue() instanceof Collection);
1522
1523         Collection<NormalizedNode<?,?>> collection = (Collection<NormalizedNode<?,?>>) normalizedNode.getValue();
1524
1525         for(NormalizedNode<?,?> node : collection){
1526             assertTrue("Expected " + node + " to be a ContainerNode", node instanceof ContainerNode);
1527         }
1528
1529         assertTrue("Child with QName = " + TestModel.TEST_QNAME + " not found",
1530                 NormalizedNodeAggregatorTest.findChildWithQName(collection, TestModel.TEST_QNAME) != null);
1531
1532         assertEquals(expectedNode1, NormalizedNodeAggregatorTest.findChildWithQName(collection, TestModel.TEST_QNAME));
1533
1534         assertTrue("Child with QName = " + CarsModel.BASE_QNAME + " not found",
1535                 NormalizedNodeAggregatorTest.findChildWithQName(collection, CarsModel.BASE_QNAME) != null);
1536
1537         assertEquals(expectedNode2, NormalizedNodeAggregatorTest.findChildWithQName(collection, CarsModel.BASE_QNAME));
1538     }
1539
1540
1541     private void setUpReadData(String shardName, NormalizedNode<?, ?> expectedNode) {
1542         ActorSystem actorSystem = getSystem();
1543         ActorRef shardActorRef = getSystem().actorOf(Props.create(DoNothingActor.class));
1544
1545         doReturn(getSystem().actorSelection(shardActorRef.path())).
1546                 when(mockActorContext).actorSelection(shardActorRef.path().toString());
1547
1548         doReturn(primaryShardInfoReply(getSystem(), shardActorRef)).
1549                 when(mockActorContext).findPrimaryShardAsync(eq(shardName));
1550
1551         doReturn(true).when(mockActorContext).isPathLocal(shardActorRef.path().toString());
1552
1553         ActorRef txActorRef = actorSystem.actorOf(Props.create(DoNothingActor.class));
1554
1555         doReturn(actorSystem.actorSelection(txActorRef.path())).
1556                 when(mockActorContext).actorSelection(txActorRef.path().toString());
1557
1558         doReturn(Futures.successful(createTransactionReply(txActorRef, DataStoreVersions.CURRENT_VERSION))).when(mockActorContext).
1559                 executeOperationAsync(eq(actorSystem.actorSelection(shardActorRef.path())),
1560                         eqCreateTransaction(memberName, TransactionType.READ_ONLY));
1561
1562         doReturn(readSerializedDataReply(expectedNode)).when(mockActorContext).executeOperationAsync(
1563                 eq(actorSelection(txActorRef)), eqSerializedReadData(YangInstanceIdentifier.builder().build()));
1564     }
1565 }