netconf/netconf-topology-singleton/src/test/java/org/opendaylight/netconf/topology/singleton/impl/NetconfNodeActorTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netconf.topology.singleton.impl;
   9
  10 import static java.nio.charset.StandardCharsets.UTF_8;
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.mockito.ArgumentMatchers.any;
  15 import static org.mockito.ArgumentMatchers.argThat;
  16 import static org.mockito.ArgumentMatchers.eq;
  17 import static org.mockito.Mockito.after;
  18 import static org.mockito.Mockito.doAnswer;
  19 import static org.mockito.Mockito.doNothing;
  20 import static org.mockito.Mockito.doReturn;
  21 import static org.mockito.Mockito.mock;
  22 import static org.mockito.Mockito.reset;
  23 import static org.mockito.Mockito.timeout;
  24 import static org.mockito.Mockito.times;
  25 import static org.mockito.Mockito.verify;
  26 import static org.mockito.Mockito.verifyNoMoreInteractions;
  27 import static org.mockito.MockitoAnnotations.initMocks;
  28
  29 import akka.actor.ActorRef;
  30 import akka.actor.ActorSystem;
  31 import akka.actor.Props;
  32 import akka.actor.Status.Failure;
  33 import akka.actor.Status.Success;
  34 import akka.pattern.AskTimeoutException;
  35 import akka.pattern.Patterns;
  36 import akka.testkit.TestActorRef;
  37 import akka.testkit.javadsl.TestKit;
  38 import akka.util.Timeout;
  39 import com.google.common.collect.ImmutableList;
  40 import com.google.common.collect.Lists;
  41 import com.google.common.io.ByteSource;
  42 import com.google.common.net.InetAddresses;
  43 import com.google.common.util.concurrent.Futures;
  44 import com.google.common.util.concurrent.SettableFuture;
  45 import java.io.InputStream;
  46 import java.net.InetSocketAddress;
  47 import java.util.Collections;
  48 import java.util.List;
  49 import java.util.Scanner;
  50 import java.util.concurrent.ExecutionException;
  51 import java.util.concurrent.TimeUnit;
  52 import org.junit.After;
  53 import org.junit.Before;
  54 import org.junit.Rule;
  55 import org.junit.Test;
  56 import org.junit.rules.ExpectedException;
  57 import org.mockito.ArgumentCaptor;
  58 import org.mockito.Mock;
  59 import org.opendaylight.controller.cluster.schema.provider.impl.YangTextSchemaSourceSerializationProxy;
  60 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  61 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  62 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  63 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  64 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  65 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  66 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  67 import org.opendaylight.mdsal.dom.api.DOMRpcException;
  68 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  69 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  70 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  71 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  72 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
  73 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
  74 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
  75 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup.NetconfTopologySetupBuilder;
  76 import org.opendaylight.netconf.topology.singleton.messages.AskForMasterMountPoint;
  77 import org.opendaylight.netconf.topology.singleton.messages.CreateInitialMasterActorData;
  78 import org.opendaylight.netconf.topology.singleton.messages.MasterActorDataInitialized;
  79 import org.opendaylight.netconf.topology.singleton.messages.NotMasterException;
  80 import org.opendaylight.netconf.topology.singleton.messages.RefreshSetupMasterActorData;
  81 import org.opendaylight.netconf.topology.singleton.messages.RegisterMountPoint;
  82 import org.opendaylight.netconf.topology.singleton.messages.UnregisterSlaveMountPoint;
  83 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  84 import org.opendaylight.yangtools.yang.common.QName;
  85 import org.opendaylight.yangtools.yang.common.RpcError;
  86 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  87 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  88 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  89 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  90 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  91 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  92 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  93 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
  94 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
  95 import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
  96 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
  97 import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
  98 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceFilter;
  99 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
 100 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
 101 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
 102 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
 103 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
 104 import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
 105 import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToASTTransformer;
 106 import scala.concurrent.Await;
 107 import scala.concurrent.Future;
 108 import scala.concurrent.duration.Duration;
 109
 110 public class NetconfNodeActorTest {
 111
 112     private static final Timeout TIMEOUT = new Timeout(Duration.create(5, "seconds"));
 113     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER1 = RevisionSourceIdentifier.create("yang1");
 114     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER2 = RevisionSourceIdentifier.create("yang2");
 115
 116     private ActorSystem system = ActorSystem.create();
 117     private final TestKit testKit = new TestKit(system);
 118
 119     @Rule
 120     public final ExpectedException exception = ExpectedException.none();
 121
 122     private ActorRef masterRef;
 123     private RemoteDeviceId remoteDeviceId;
 124     private final SharedSchemaRepository masterSchemaRepository = new SharedSchemaRepository("master");
 125
 126     @Mock
 127     private DOMRpcService mockDOMRpcService;
 128
 129     @Mock
 130     private DOMMountPointService mockMountPointService;
 131
 132     @Mock
 133     private DOMMountPointService.DOMMountPointBuilder mockMountPointBuilder;
 134
 135     @Mock
 136     private ObjectRegistration<DOMMountPoint> mockMountPointReg;
 137
 138     @Mock
 139     private DOMDataBroker mockDOMDataBroker;
 140
 141     @Mock
 142     private SchemaSourceRegistration<?> mockSchemaSourceReg1;
 143
 144     @Mock
 145     private SchemaSourceRegistration<?> mockSchemaSourceReg2;
 146
 147     @Mock
 148     private SchemaSourceRegistry mockRegistry;
 149
 150     @Mock
 151     private SchemaContextFactory mockSchemaContextFactory;
 152
 153     @Mock
 154     private SchemaRepository mockSchemaRepository;
 155
 156     @Mock
 157     private SchemaContext mockSchemaContext;
 158
 159     @Before
 160     public void setup() {
 161         initMocks(this);
 162
 163         remoteDeviceId = new RemoteDeviceId("netconf-topology",
 164                 new InetSocketAddress(InetAddresses.forString("127.0.0.1"), 9999));
 165
 166         masterSchemaRepository.registerSchemaSourceListener(
 167                 TextToASTTransformer.create(masterSchemaRepository, masterSchemaRepository));
 168
 169         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system)
 170                 .setIdleTimeout(Duration.apply(1, TimeUnit.SECONDS)).build();
 171
 172         final Props props = NetconfNodeActor.props(setup, remoteDeviceId, masterSchemaRepository,
 173                 masterSchemaRepository, TIMEOUT, mockMountPointService);
 174
 175         masterRef = TestActorRef.create(system, props, "master_messages");
 176
 177         resetMountPointMocks();
 178
 179         doReturn(mockMountPointBuilder).when(mockMountPointService).createMountPoint(any());
 180
 181         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 182         doReturn(mockSchemaSourceReg2).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 183
 184         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 185                 .createSchemaContextFactory(any(SchemaSourceFilter.class));
 186     }
 187
 188     @After
 189     public void teardown() {
 190         TestKit.shutdownActorSystem(system, true);
 191         system = null;
 192     }
 193
 194     @Test
 195     public void testInitializeAndRefreshMasterData() {
 196
 197         // Test CreateInitialMasterActorData.
 198
 199         initializeMaster(Lists.newArrayList());
 200
 201         // Test RefreshSetupMasterActorData.
 202
 203         final RemoteDeviceId newRemoteDeviceId = new RemoteDeviceId("netconf-topology2",
 204                 new InetSocketAddress(InetAddresses.forString("127.0.0.2"), 9999));
 205
 206         final NetconfTopologySetup newSetup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 207
 208         masterRef.tell(new RefreshSetupMasterActorData(newSetup, newRemoteDeviceId), testKit.getRef());
 209
 210         testKit.expectMsgClass(MasterActorDataInitialized.class);
 211     }
 212
 213     @Test
 214     public void tesAskForMasterMountPoint() {
 215
 216         // Test with master not setup yet.
 217
 218         final TestKit kit = new TestKit(system);
 219
 220         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 221
 222         final Failure failure = kit.expectMsgClass(Failure.class);
 223         assertTrue(failure.cause() instanceof NotMasterException);
 224
 225         // Now initialize - master should send the RegisterMountPoint message.
 226
 227         List<SourceIdentifier> sourceIdentifiers = Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 228         initializeMaster(sourceIdentifiers);
 229
 230         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 231
 232         final RegisterMountPoint registerMountPoint = kit.expectMsgClass(RegisterMountPoint.class);
 233
 234         assertEquals(sourceIdentifiers, registerMountPoint.getSourceIndentifiers());
 235     }
 236
 237     @Test
 238     public void testRegisterAndUnregisterMountPoint() throws Exception {
 239
 240         ActorRef slaveRef = registerSlaveMountPoint();
 241
 242         // Unregister
 243
 244         slaveRef.tell(new UnregisterSlaveMountPoint(), testKit.getRef());
 245
 246         verify(mockMountPointReg, timeout(5000)).close();
 247         verify(mockSchemaSourceReg1, timeout(1000)).close();
 248         verify(mockSchemaSourceReg2, timeout(1000)).close();
 249
 250         // Test registration with another interleaved registration that completes while the first registration
 251         // is resolving the schema context.
 252
 253         reset(mockSchemaSourceReg1, mockRegistry, mockSchemaRepository);
 254         resetMountPointMocks();
 255
 256         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 257
 258         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 259                 .createSchemaContextFactory(any(SchemaSourceFilter.class));
 260
 261         final SchemaSourceRegistration<?> newMockSchemaSourceReg = mock(SchemaSourceRegistration.class);
 262
 263         final SchemaContextFactory newMockSchemaContextFactory = mock(SchemaContextFactory.class);
 264         doReturn(Futures.immediateFuture(mockSchemaContext))
 265                 .when(newMockSchemaContextFactory).createSchemaContext(any());
 266
 267         doAnswer(unused -> {
 268             SettableFuture<SchemaContext> future = SettableFuture.create();
 269             new Thread(() -> {
 270                 doReturn(newMockSchemaSourceReg).when(mockRegistry).registerSchemaSource(any(),
 271                         withSourceId(SOURCE_IDENTIFIER1));
 272
 273                 doReturn(newMockSchemaContextFactory).when(mockSchemaRepository)
 274                         .createSchemaContextFactory(any(SchemaSourceFilter.class));
 275
 276                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef),
 277                         testKit.getRef());
 278
 279                 future.set(mockSchemaContext);
 280             }).start();
 281             return future;
 282         }).when(mockSchemaContextFactory).createSchemaContext(any());
 283
 284         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 285                 .createSchemaContextFactory(any(SchemaSourceFilter.class));
 286
 287         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef), testKit.getRef());
 288
 289         verify(mockMountPointBuilder, timeout(5000)).register();
 290         verify(mockMountPointBuilder, after(500)).addInitialSchemaContext(mockSchemaContext);
 291         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 292         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 293         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 294         verify(mockSchemaSourceReg1).close();
 295         verify(mockRegistry, times(2)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 296         verify(mockSchemaRepository, times(2)).createSchemaContextFactory(any(SchemaSourceFilter.class));
 297         verifyNoMoreInteractions(mockMountPointBuilder, newMockSchemaSourceReg);
 298
 299         // Stop the slave actor and verify schema source registrations are closed.
 300
 301         final Future<Boolean> stopFuture = Patterns.gracefulStop(slaveRef, TIMEOUT.duration());
 302         Await.result(stopFuture, TIMEOUT.duration());
 303
 304         verify(mockMountPointReg).close();
 305         verify(newMockSchemaSourceReg).close();
 306     }
 307
 308     @SuppressWarnings("unchecked")
 309     @Test
 310     public void testRegisterMountPointWithSchemaFailures() throws Exception {
 311         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 312
 313         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(setup, remoteDeviceId, mockRegistry,
 314                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 315
 316         // Test unrecoverable failure.
 317
 318         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock")))
 319                 .when(mockSchemaContextFactory).createSchemaContext(any());
 320
 321         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 322                 masterRef), testKit.getRef());
 323
 324         testKit.expectMsgClass(Success.class);
 325
 326         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 327         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 328
 329         verify(mockMountPointBuilder, after(1000).never()).register();
 330         verify(mockSchemaSourceReg1, timeout(1000)).close();
 331         verify(mockSchemaSourceReg2, timeout(1000)).close();
 332
 333         // Test recoverable AskTimeoutException - schema context resolution should be retried.
 334
 335         reset(mockSchemaSourceReg1, mockSchemaSourceReg2);
 336
 337         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock",
 338                 new AskTimeoutException("timeout"))))
 339             .doReturn(Futures.immediateFuture(mockSchemaContext))
 340             .when(mockSchemaContextFactory).createSchemaContext(any());
 341
 342         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 343                 masterRef), testKit.getRef());
 344
 345         testKit.expectMsgClass(Success.class);
 346
 347         verify(mockMountPointBuilder, timeout(5000)).register();
 348         verifyNoMoreInteractions(mockSchemaSourceReg1, mockSchemaSourceReg2);
 349
 350         // Test AskTimeoutException with an interleaved successful registration. The first schema context resolution
 351         // attempt should not be retried.
 352
 353         reset(mockSchemaSourceReg1, mockSchemaSourceReg2, mockSchemaRepository, mockSchemaContextFactory);
 354         resetMountPointMocks();
 355
 356         final SchemaContextFactory mockSchemaContextFactorySuccess = mock(SchemaContextFactory.class);
 357         doReturn(Futures.immediateFuture(mockSchemaContext))
 358                 .when(mockSchemaContextFactorySuccess).createSchemaContext(any());
 359
 360         doAnswer(unused -> {
 361             SettableFuture<SchemaContext> future = SettableFuture.create();
 362             new Thread(() -> {
 363                 doReturn(mockSchemaContextFactorySuccess).when(mockSchemaRepository)
 364                         .createSchemaContextFactory(any(SchemaSourceFilter.class));
 365
 366                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 367                         masterRef), testKit.getRef());
 368
 369                 future.setException(new SchemaResolutionException("mock", new AskTimeoutException("timeout")));
 370             }).start();
 371             return future;
 372         }).when(mockSchemaContextFactory).createSchemaContext(any());
 373
 374         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 375                 .createSchemaContextFactory(any(SchemaSourceFilter.class));
 376
 377         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 378                 masterRef), testKit.getRef());
 379
 380         verify(mockMountPointBuilder, timeout(5000)).register();
 381         verify(mockSchemaRepository, times(2)).createSchemaContextFactory(any(SchemaSourceFilter.class));
 382     }
 383
 384     @Test
 385     public void testYangTextSchemaSourceRequest() throws Exception {
 386         final SourceIdentifier sourceIdentifier = RevisionSourceIdentifier.create("testID");
 387
 388         final ProxyYangTextSourceProvider proxyYangProvider =
 389                 new ProxyYangTextSourceProvider(masterRef, system.dispatcher(), TIMEOUT);
 390
 391         final YangTextSchemaSource yangTextSchemaSource = YangTextSchemaSource.delegateForByteSource(sourceIdentifier,
 392                 ByteSource.wrap("YANG".getBytes(UTF_8)));
 393
 394         // Test success.
 395
 396         final SchemaSourceRegistration<YangTextSchemaSource> schemaSourceReg = masterSchemaRepository
 397                 .registerSchemaSource(id -> Futures.immediateFuture(yangTextSchemaSource),
 398                      PotentialSchemaSource.create(sourceIdentifier, YangTextSchemaSource.class, 1));
 399
 400         final Future<YangTextSchemaSourceSerializationProxy> resolvedSchemaFuture =
 401                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 402
 403         final YangTextSchemaSourceSerializationProxy success = Await.result(resolvedSchemaFuture, TIMEOUT.duration());
 404
 405         assertEquals(sourceIdentifier, success.getRepresentation().getIdentifier());
 406         assertEquals("YANG", convertStreamToString(success.getRepresentation().openStream()));
 407
 408         // Test missing source failure.
 409
 410         exception.expect(MissingSchemaSourceException.class);
 411
 412         schemaSourceReg.close();
 413
 414         final Future<YangTextSchemaSourceSerializationProxy> failedSchemaFuture =
 415                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 416
 417         Await.result(failedSchemaFuture, TIMEOUT.duration());
 418     }
 419
 420     @Test
 421     @SuppressWarnings({"checkstyle:AvoidHidingCauseException", "checkstyle:IllegalThrows"})
 422     public void testSlaveInvokeRpc() throws Throwable {
 423
 424         final List<SourceIdentifier> sourceIdentifiers =
 425                 Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 426
 427         initializeMaster(sourceIdentifiers);
 428         registerSlaveMountPoint();
 429
 430         ArgumentCaptor<DOMRpcService> domRPCServiceCaptor = ArgumentCaptor.forClass(DOMRpcService.class);
 431         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), domRPCServiceCaptor.capture());
 432
 433         final DOMRpcService slaveDomRPCService = domRPCServiceCaptor.getValue();
 434         assertTrue(slaveDomRPCService instanceof ProxyDOMRpcService);
 435
 436         final QName testQName = QName.create("", "TestQname");
 437         final SchemaPath schemaPath = SchemaPath.create(true, testQName);
 438         final NormalizedNode<?, ?> outputNode = ImmutableContainerNodeBuilder.create()
 439                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(testQName))
 440                 .withChild(ImmutableNodes.leafNode(testQName, "foo")).build();
 441         final RpcError rpcError = RpcResultBuilder.newError(RpcError.ErrorType.RPC, null, "Rpc invocation failed.");
 442
 443         // RPC with no response output.
 444
 445         doReturn(Futures.immediateCheckedFuture(null)).when(mockDOMRpcService).invokeRpc(any(), any());
 446
 447         DOMRpcResult result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 448
 449         assertEquals(null, result);
 450
 451         // RPC with response output.
 452
 453         doReturn(Futures.immediateCheckedFuture(new DefaultDOMRpcResult(outputNode)))
 454                 .when(mockDOMRpcService).invokeRpc(any(), any());
 455
 456         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 457
 458         assertEquals(outputNode, result.getResult());
 459         assertTrue(result.getErrors().isEmpty());
 460
 461         // RPC with response error.
 462
 463         doReturn(Futures.immediateCheckedFuture(new DefaultDOMRpcResult(rpcError)))
 464                 .when(mockDOMRpcService).invokeRpc(any(), any());
 465
 466         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 467
 468         assertNull(result.getResult());
 469         assertEquals(rpcError, result.getErrors().iterator().next());
 470
 471         // RPC with response output and error.
 472
 473         doReturn(Futures.immediateCheckedFuture(new DefaultDOMRpcResult(outputNode, rpcError)))
 474                 .when(mockDOMRpcService).invokeRpc(any(), any());
 475
 476         final DOMRpcResult resultOutputError =
 477                 slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 478
 479         assertEquals(outputNode, resultOutputError.getResult());
 480         assertEquals(rpcError, resultOutputError.getErrors().iterator().next());
 481
 482         // RPC failure.
 483
 484         exception.expect(DOMRpcException.class);
 485
 486         doReturn(Futures.immediateFailedCheckedFuture(new ClusteringRpcException("mock")))
 487                 .when(mockDOMRpcService).invokeRpc(any(), any());
 488
 489         try {
 490             slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 491         } catch (ExecutionException e) {
 492             throw e.getCause();
 493         }
 494     }
 495
 496     @Test
 497     public void testSlaveNewTransactionRequests() {
 498
 499         doReturn(mock(DOMDataTreeReadTransaction.class)).when(mockDOMDataBroker).newReadOnlyTransaction();
 500         doReturn(mock(DOMDataTreeReadWriteTransaction.class)).when(mockDOMDataBroker).newReadWriteTransaction();
 501         doReturn(mock(DOMDataTreeWriteTransaction.class)).when(mockDOMDataBroker).newWriteOnlyTransaction();
 502
 503         initializeMaster(Collections.emptyList());
 504         registerSlaveMountPoint();
 505
 506         ArgumentCaptor<DOMDataBroker> domDataBrokerCaptor = ArgumentCaptor.forClass(DOMDataBroker.class);
 507         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), domDataBrokerCaptor.capture());
 508
 509         final DOMDataBroker slaveDOMDataBroker = domDataBrokerCaptor.getValue();
 510         assertTrue(slaveDOMDataBroker instanceof ProxyDOMDataBroker);
 511
 512         slaveDOMDataBroker.newReadOnlyTransaction();
 513         verify(mockDOMDataBroker).newReadOnlyTransaction();
 514
 515         slaveDOMDataBroker.newReadWriteTransaction();
 516         verify(mockDOMDataBroker).newReadWriteTransaction();
 517
 518         slaveDOMDataBroker.newWriteOnlyTransaction();
 519         verify(mockDOMDataBroker).newWriteOnlyTransaction();
 520     }
 521
 522     private ActorRef registerSlaveMountPoint() {
 523         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(
 524                 NetconfTopologySetupBuilder.create().setActorSystem(system).build(), remoteDeviceId, mockRegistry,
 525                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 526
 527         doReturn(Futures.immediateFuture(mockSchemaContext))
 528                 .when(mockSchemaContextFactory).createSchemaContext(any());
 529
 530         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 531                 masterRef), testKit.getRef());
 532
 533         verify(mockMountPointBuilder, timeout(5000)).register();
 534         verify(mockMountPointBuilder).addInitialSchemaContext(mockSchemaContext);
 535         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 536         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 537         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 538
 539         testKit.expectMsgClass(Success.class);
 540
 541         return slaveRef;
 542     }
 543
 544     private void initializeMaster(final List<SourceIdentifier> sourceIdentifiers) {
 545         masterRef.tell(new CreateInitialMasterActorData(mockDOMDataBroker, sourceIdentifiers,
 546                 mockDOMRpcService), testKit.getRef());
 547
 548         testKit.expectMsgClass(MasterActorDataInitialized.class);
 549     }
 550
 551     private void resetMountPointMocks() {
 552         reset(mockMountPointReg, mockMountPointBuilder);
 553
 554         doNothing().when(mockMountPointReg).close();
 555
 556         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addInitialSchemaContext(any());
 557         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addService(any(), any());
 558         doReturn(mockMountPointReg).when(mockMountPointBuilder).register();
 559     }
 560
 561     private static PotentialSchemaSource<?> withSourceId(final SourceIdentifier identifier) {
 562         return argThat(argument -> identifier.equals(argument.getSourceIdentifier()));
 563     }
 564
 565     private static String convertStreamToString(final InputStream is) {
 566         try (Scanner scanner = new Scanner(is)) {
 567             return scanner.useDelimiter("\\A").hasNext() ? scanner.next() : "";
 568         }
 569     }
 570 }