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.anyCollection;
  16 import static org.mockito.ArgumentMatchers.argThat;
  17 import static org.mockito.ArgumentMatchers.eq;
  18 import static org.mockito.Mockito.after;
  19 import static org.mockito.Mockito.doAnswer;
  20 import static org.mockito.Mockito.doNothing;
  21 import static org.mockito.Mockito.doReturn;
  22 import static org.mockito.Mockito.mock;
  23 import static org.mockito.Mockito.reset;
  24 import static org.mockito.Mockito.timeout;
  25 import static org.mockito.Mockito.times;
  26 import static org.mockito.Mockito.verify;
  27 import static org.mockito.Mockito.verifyNoMoreInteractions;
  28 import static org.mockito.MockitoAnnotations.initMocks;
  29
  30 import akka.actor.ActorRef;
  31 import akka.actor.ActorSystem;
  32 import akka.actor.Props;
  33 import akka.actor.Status.Failure;
  34 import akka.actor.Status.Success;
  35 import akka.pattern.AskTimeoutException;
  36 import akka.pattern.Patterns;
  37 import akka.testkit.TestActorRef;
  38 import akka.testkit.javadsl.TestKit;
  39 import akka.util.Timeout;
  40 import com.google.common.collect.ImmutableList;
  41 import com.google.common.collect.Lists;
  42 import com.google.common.io.ByteSource;
  43 import com.google.common.net.InetAddresses;
  44 import com.google.common.util.concurrent.Futures;
  45 import com.google.common.util.concurrent.SettableFuture;
  46 import java.io.InputStream;
  47 import java.net.InetSocketAddress;
  48 import java.util.ArrayList;
  49 import java.util.Collections;
  50 import java.util.List;
  51 import java.util.Scanner;
  52 import java.util.concurrent.ExecutionException;
  53 import java.util.concurrent.TimeUnit;
  54 import org.junit.After;
  55 import org.junit.Before;
  56 import org.junit.Rule;
  57 import org.junit.Test;
  58 import org.junit.rules.ExpectedException;
  59 import org.mockito.ArgumentCaptor;
  60 import org.mockito.Mock;
  61 import org.opendaylight.controller.cluster.schema.provider.impl.YangTextSchemaSourceSerializationProxy;
  62 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  63 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  64 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  65 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  66 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  67 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  68 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  69 import org.opendaylight.mdsal.dom.api.DOMRpcException;
  70 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  71 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  72 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  73 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  74 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
  75 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
  76 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
  77 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup.NetconfTopologySetupBuilder;
  78 import org.opendaylight.netconf.topology.singleton.messages.AskForMasterMountPoint;
  79 import org.opendaylight.netconf.topology.singleton.messages.CreateInitialMasterActorData;
  80 import org.opendaylight.netconf.topology.singleton.messages.MasterActorDataInitialized;
  81 import org.opendaylight.netconf.topology.singleton.messages.NotMasterException;
  82 import org.opendaylight.netconf.topology.singleton.messages.RefreshSetupMasterActorData;
  83 import org.opendaylight.netconf.topology.singleton.messages.RegisterMountPoint;
  84 import org.opendaylight.netconf.topology.singleton.messages.UnregisterSlaveMountPoint;
  85 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  86 import org.opendaylight.yangtools.util.concurrent.FluentFutures;
  87 import org.opendaylight.yangtools.yang.common.QName;
  88 import org.opendaylight.yangtools.yang.common.RpcError;
  89 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  90 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  91 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  92 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  93 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  94 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  95 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  96 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  97 import org.opendaylight.yangtools.yang.model.repo.api.EffectiveModelContextFactory;
  98 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
  99 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
 100 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
 101 import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
 102 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
 103 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
 104 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
 105 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
 106 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
 107 import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
 108 import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToASTTransformer;
 109 import scala.concurrent.Await;
 110 import scala.concurrent.Future;
 111 import scala.concurrent.duration.Duration;
 112
 113 public class NetconfNodeActorTest {
 114
 115     private static final Timeout TIMEOUT = new Timeout(Duration.create(5, "seconds"));
 116     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER1 = RevisionSourceIdentifier.create("yang1");
 117     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER2 = RevisionSourceIdentifier.create("yang2");
 118
 119     private ActorSystem system = ActorSystem.create();
 120     private final TestKit testKit = new TestKit(system);
 121
 122     @Rule
 123     public final ExpectedException exception = ExpectedException.none();
 124
 125     private ActorRef masterRef;
 126     private RemoteDeviceId remoteDeviceId;
 127     private final SharedSchemaRepository masterSchemaRepository = new SharedSchemaRepository("master");
 128
 129     @Mock
 130     private DOMRpcService mockDOMRpcService;
 131
 132     @Mock
 133     private DOMMountPointService mockMountPointService;
 134
 135     @Mock
 136     private DOMMountPointService.DOMMountPointBuilder mockMountPointBuilder;
 137
 138     @Mock
 139     private ObjectRegistration<DOMMountPoint> mockMountPointReg;
 140
 141     @Mock
 142     private DOMDataBroker mockDOMDataBroker;
 143
 144     @Mock
 145     private SchemaSourceRegistration<?> mockSchemaSourceReg1;
 146
 147     @Mock
 148     private SchemaSourceRegistration<?> mockSchemaSourceReg2;
 149
 150     @Mock
 151     private SchemaSourceRegistry mockRegistry;
 152
 153     @Mock
 154     private EffectiveModelContextFactory mockSchemaContextFactory;
 155
 156     @Mock
 157     private SchemaRepository mockSchemaRepository;
 158
 159     @Mock
 160     private EffectiveModelContext mockSchemaContext;
 161
 162     @Before
 163     public void setup() {
 164         initMocks(this);
 165
 166         remoteDeviceId = new RemoteDeviceId("netconf-topology",
 167                 new InetSocketAddress(InetAddresses.forString("127.0.0.1"), 9999));
 168
 169         masterSchemaRepository.registerSchemaSourceListener(
 170                 TextToASTTransformer.create(masterSchemaRepository, masterSchemaRepository));
 171
 172         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system)
 173                 .setIdleTimeout(Duration.apply(1, TimeUnit.SECONDS)).build();
 174
 175         final Props props = NetconfNodeActor.props(setup, remoteDeviceId, masterSchemaRepository,
 176                 masterSchemaRepository, TIMEOUT, mockMountPointService);
 177
 178         masterRef = TestActorRef.create(system, props, "master_messages");
 179
 180         resetMountPointMocks();
 181
 182         doReturn(mockMountPointBuilder).when(mockMountPointService).createMountPoint(any());
 183
 184         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 185         doReturn(mockSchemaSourceReg2).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 186
 187         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 188                 .createEffectiveModelContextFactory();
 189     }
 190
 191     @After
 192     public void teardown() {
 193         TestKit.shutdownActorSystem(system, true);
 194         system = null;
 195     }
 196
 197     @Test
 198     public void testInitializeAndRefreshMasterData() {
 199
 200         // Test CreateInitialMasterActorData.
 201
 202         initializeMaster(new ArrayList<>());
 203
 204         // Test RefreshSetupMasterActorData.
 205
 206         final RemoteDeviceId newRemoteDeviceId = new RemoteDeviceId("netconf-topology2",
 207                 new InetSocketAddress(InetAddresses.forString("127.0.0.2"), 9999));
 208
 209         final NetconfTopologySetup newSetup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 210
 211         masterRef.tell(new RefreshSetupMasterActorData(newSetup, newRemoteDeviceId), testKit.getRef());
 212
 213         testKit.expectMsgClass(MasterActorDataInitialized.class);
 214     }
 215
 216     @Test
 217     public void tesAskForMasterMountPoint() {
 218
 219         // Test with master not setup yet.
 220
 221         final TestKit kit = new TestKit(system);
 222
 223         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 224
 225         final Failure failure = kit.expectMsgClass(Failure.class);
 226         assertTrue(failure.cause() instanceof NotMasterException);
 227
 228         // Now initialize - master should send the RegisterMountPoint message.
 229
 230         List<SourceIdentifier> sourceIdentifiers = Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 231         initializeMaster(sourceIdentifiers);
 232
 233         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 234
 235         final RegisterMountPoint registerMountPoint = kit.expectMsgClass(RegisterMountPoint.class);
 236
 237         assertEquals(sourceIdentifiers, registerMountPoint.getSourceIndentifiers());
 238     }
 239
 240     @Test
 241     public void testRegisterAndUnregisterMountPoint() throws Exception {
 242
 243         ActorRef slaveRef = registerSlaveMountPoint();
 244
 245         // Unregister
 246
 247         slaveRef.tell(new UnregisterSlaveMountPoint(), testKit.getRef());
 248
 249         verify(mockMountPointReg, timeout(5000)).close();
 250         verify(mockSchemaSourceReg1, timeout(1000)).close();
 251         verify(mockSchemaSourceReg2, timeout(1000)).close();
 252
 253         // Test registration with another interleaved registration that completes while the first registration
 254         // is resolving the schema context.
 255
 256         reset(mockSchemaSourceReg1, mockRegistry, mockSchemaRepository);
 257         resetMountPointMocks();
 258
 259         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 260
 261         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 262                 .createEffectiveModelContextFactory();
 263
 264         final SchemaSourceRegistration<?> newMockSchemaSourceReg = mock(SchemaSourceRegistration.class);
 265
 266         final EffectiveModelContextFactory newMockSchemaContextFactory = mock(EffectiveModelContextFactory.class);
 267         doReturn(Futures.immediateFuture(mockSchemaContext))
 268                 .when(newMockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 269
 270         doAnswer(unused -> {
 271             SettableFuture<SchemaContext> future = SettableFuture.create();
 272             new Thread(() -> {
 273                 doReturn(newMockSchemaSourceReg).when(mockRegistry).registerSchemaSource(any(),
 274                         withSourceId(SOURCE_IDENTIFIER1));
 275
 276                 doReturn(newMockSchemaContextFactory).when(mockSchemaRepository)
 277                         .createEffectiveModelContextFactory();
 278
 279                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef),
 280                         testKit.getRef());
 281
 282                 future.set(mockSchemaContext);
 283             }).start();
 284             return future;
 285         }).when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 286
 287         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 288                 .createEffectiveModelContextFactory();
 289
 290         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef), testKit.getRef());
 291
 292         verify(mockMountPointBuilder, timeout(5000)).register();
 293         verify(mockMountPointBuilder, after(500)).addInitialSchemaContext(mockSchemaContext);
 294         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 295         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 296         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 297         verify(mockSchemaSourceReg1).close();
 298         verify(mockRegistry, times(2)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 299         verify(mockSchemaRepository, times(2)).createEffectiveModelContextFactory();
 300         verifyNoMoreInteractions(mockMountPointBuilder, newMockSchemaSourceReg);
 301
 302         // Stop the slave actor and verify schema source registrations are closed.
 303
 304         final Future<Boolean> stopFuture = Patterns.gracefulStop(slaveRef, TIMEOUT.duration());
 305         Await.result(stopFuture, TIMEOUT.duration());
 306
 307         verify(mockMountPointReg).close();
 308         verify(newMockSchemaSourceReg).close();
 309     }
 310
 311     @SuppressWarnings("unchecked")
 312     @Test
 313     public void testRegisterMountPointWithSchemaFailures() throws Exception {
 314         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 315
 316         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(setup, remoteDeviceId, mockRegistry,
 317                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 318
 319         // Test unrecoverable failure.
 320
 321         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock")))
 322                 .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 323
 324         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 325                 masterRef), testKit.getRef());
 326
 327         testKit.expectMsgClass(Success.class);
 328
 329         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 330         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 331
 332         verify(mockMountPointBuilder, after(1000).never()).register();
 333         verify(mockSchemaSourceReg1, timeout(1000)).close();
 334         verify(mockSchemaSourceReg2, timeout(1000)).close();
 335
 336         // Test recoverable AskTimeoutException - schema context resolution should be retried.
 337
 338         reset(mockSchemaSourceReg1, mockSchemaSourceReg2);
 339
 340         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock",
 341                 new AskTimeoutException("timeout"))))
 342             .doReturn(Futures.immediateFuture(mockSchemaContext))
 343             .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 344
 345         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 346                 masterRef), testKit.getRef());
 347
 348         testKit.expectMsgClass(Success.class);
 349
 350         verify(mockMountPointBuilder, timeout(5000)).register();
 351         verifyNoMoreInteractions(mockSchemaSourceReg1, mockSchemaSourceReg2);
 352
 353         // Test AskTimeoutException with an interleaved successful registration. The first schema context resolution
 354         // attempt should not be retried.
 355
 356         reset(mockSchemaSourceReg1, mockSchemaSourceReg2, mockSchemaRepository, mockSchemaContextFactory);
 357         resetMountPointMocks();
 358
 359         final EffectiveModelContextFactory mockSchemaContextFactorySuccess = mock(EffectiveModelContextFactory.class);
 360         doReturn(Futures.immediateFuture(mockSchemaContext))
 361                 .when(mockSchemaContextFactorySuccess).createEffectiveModelContext(anyCollection());
 362
 363         doAnswer(unused -> {
 364             SettableFuture<SchemaContext> future = SettableFuture.create();
 365             new Thread(() -> {
 366                 doReturn(mockSchemaContextFactorySuccess).when(mockSchemaRepository)
 367                     .createEffectiveModelContextFactory();
 368
 369                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 370                         masterRef), testKit.getRef());
 371
 372                 future.setException(new SchemaResolutionException("mock", new AskTimeoutException("timeout")));
 373             }).start();
 374             return future;
 375         }).when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 376
 377         doReturn(mockSchemaContextFactory).when(mockSchemaRepository).createEffectiveModelContextFactory();
 378
 379         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 380                 masterRef), testKit.getRef());
 381
 382         verify(mockMountPointBuilder, timeout(5000)).register();
 383         verify(mockSchemaRepository, times(2)).createEffectiveModelContextFactory();
 384     }
 385
 386     @Test
 387     public void testYangTextSchemaSourceRequest() throws Exception {
 388         final SourceIdentifier sourceIdentifier = RevisionSourceIdentifier.create("testID");
 389
 390         final ProxyYangTextSourceProvider proxyYangProvider =
 391                 new ProxyYangTextSourceProvider(masterRef, system.dispatcher(), TIMEOUT);
 392
 393         final YangTextSchemaSource yangTextSchemaSource = YangTextSchemaSource.delegateForByteSource(sourceIdentifier,
 394                 ByteSource.wrap("YANG".getBytes(UTF_8)));
 395
 396         // Test success.
 397
 398         final SchemaSourceRegistration<YangTextSchemaSource> schemaSourceReg = masterSchemaRepository
 399                 .registerSchemaSource(id -> Futures.immediateFuture(yangTextSchemaSource),
 400                      PotentialSchemaSource.create(sourceIdentifier, YangTextSchemaSource.class, 1));
 401
 402         final Future<YangTextSchemaSourceSerializationProxy> resolvedSchemaFuture =
 403                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 404
 405         final YangTextSchemaSourceSerializationProxy success = Await.result(resolvedSchemaFuture, TIMEOUT.duration());
 406
 407         assertEquals(sourceIdentifier, success.getRepresentation().getIdentifier());
 408         assertEquals("YANG", convertStreamToString(success.getRepresentation().openStream()));
 409
 410         // Test missing source failure.
 411
 412         exception.expect(MissingSchemaSourceException.class);
 413
 414         schemaSourceReg.close();
 415
 416         final Future<YangTextSchemaSourceSerializationProxy> failedSchemaFuture =
 417                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 418
 419         Await.result(failedSchemaFuture, TIMEOUT.duration());
 420     }
 421
 422     @Test
 423     @SuppressWarnings({"checkstyle:AvoidHidingCauseException", "checkstyle:IllegalThrows"})
 424     public void testSlaveInvokeRpc() throws Throwable {
 425
 426         final List<SourceIdentifier> sourceIdentifiers =
 427                 Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 428
 429         initializeMaster(sourceIdentifiers);
 430         registerSlaveMountPoint();
 431
 432         ArgumentCaptor<DOMRpcService> domRPCServiceCaptor = ArgumentCaptor.forClass(DOMRpcService.class);
 433         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), domRPCServiceCaptor.capture());
 434
 435         final DOMRpcService slaveDomRPCService = domRPCServiceCaptor.getValue();
 436         assertTrue(slaveDomRPCService instanceof ProxyDOMRpcService);
 437
 438         final QName testQName = QName.create("", "TestQname");
 439         final SchemaPath schemaPath = SchemaPath.create(true, testQName);
 440         final NormalizedNode<?, ?> outputNode = ImmutableContainerNodeBuilder.create()
 441                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(testQName))
 442                 .withChild(ImmutableNodes.leafNode(testQName, "foo")).build();
 443         final RpcError rpcError = RpcResultBuilder.newError(RpcError.ErrorType.RPC, null, "Rpc invocation failed.");
 444
 445         // RPC with no response output.
 446
 447         doReturn(FluentFutures.immediateNullFluentFuture()).when(mockDOMRpcService).invokeRpc(any(), any());
 448
 449         DOMRpcResult result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 450
 451         assertEquals(null, result);
 452
 453         // RPC with response output.
 454
 455         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(outputNode)))
 456                 .when(mockDOMRpcService).invokeRpc(any(), any());
 457
 458         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 459
 460         assertEquals(outputNode, result.getResult());
 461         assertTrue(result.getErrors().isEmpty());
 462
 463         // RPC with response error.
 464
 465         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(rpcError)))
 466                 .when(mockDOMRpcService).invokeRpc(any(), any());
 467
 468         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 469
 470         assertNull(result.getResult());
 471         assertEquals(rpcError, result.getErrors().iterator().next());
 472
 473         // RPC with response output and error.
 474
 475         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(outputNode, rpcError)))
 476                 .when(mockDOMRpcService).invokeRpc(any(), any());
 477
 478         final DOMRpcResult resultOutputError =
 479                 slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 480
 481         assertEquals(outputNode, resultOutputError.getResult());
 482         assertEquals(rpcError, resultOutputError.getErrors().iterator().next());
 483
 484         // RPC failure.
 485
 486         exception.expect(DOMRpcException.class);
 487
 488         doReturn(FluentFutures.immediateFailedFluentFuture(new ClusteringRpcException("mock")))
 489                 .when(mockDOMRpcService).invokeRpc(any(), any());
 490
 491         try {
 492             slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 493         } catch (ExecutionException e) {
 494             throw e.getCause();
 495         }
 496     }
 497
 498     @Test
 499     public void testSlaveNewTransactionRequests() {
 500
 501         doReturn(mock(DOMDataTreeReadTransaction.class)).when(mockDOMDataBroker).newReadOnlyTransaction();
 502         doReturn(mock(DOMDataTreeReadWriteTransaction.class)).when(mockDOMDataBroker).newReadWriteTransaction();
 503         doReturn(mock(DOMDataTreeWriteTransaction.class)).when(mockDOMDataBroker).newWriteOnlyTransaction();
 504
 505         initializeMaster(Collections.emptyList());
 506         registerSlaveMountPoint();
 507
 508         ArgumentCaptor<DOMDataBroker> domDataBrokerCaptor = ArgumentCaptor.forClass(DOMDataBroker.class);
 509         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), domDataBrokerCaptor.capture());
 510
 511         final DOMDataBroker slaveDOMDataBroker = domDataBrokerCaptor.getValue();
 512         assertTrue(slaveDOMDataBroker instanceof ProxyDOMDataBroker);
 513
 514         slaveDOMDataBroker.newReadOnlyTransaction();
 515         verify(mockDOMDataBroker).newReadOnlyTransaction();
 516
 517         slaveDOMDataBroker.newReadWriteTransaction();
 518         verify(mockDOMDataBroker).newReadWriteTransaction();
 519
 520         slaveDOMDataBroker.newWriteOnlyTransaction();
 521         verify(mockDOMDataBroker).newWriteOnlyTransaction();
 522     }
 523
 524     private ActorRef registerSlaveMountPoint() {
 525         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(
 526                 NetconfTopologySetupBuilder.create().setActorSystem(system).build(), remoteDeviceId, mockRegistry,
 527                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 528
 529         doReturn(Futures.immediateFuture(mockSchemaContext))
 530                 .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 531
 532         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 533                 masterRef), testKit.getRef());
 534
 535         verify(mockMountPointBuilder, timeout(5000)).register();
 536         verify(mockMountPointBuilder).addInitialSchemaContext(mockSchemaContext);
 537         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 538         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 539         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 540
 541         testKit.expectMsgClass(Success.class);
 542
 543         return slaveRef;
 544     }
 545
 546     private void initializeMaster(final List<SourceIdentifier> sourceIdentifiers) {
 547         masterRef.tell(new CreateInitialMasterActorData(mockDOMDataBroker, sourceIdentifiers,
 548                 mockDOMRpcService), testKit.getRef());
 549
 550         testKit.expectMsgClass(MasterActorDataInitialized.class);
 551     }
 552
 553     private void resetMountPointMocks() {
 554         reset(mockMountPointReg, mockMountPointBuilder);
 555
 556         doNothing().when(mockMountPointReg).close();
 557
 558         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addInitialSchemaContext(any());
 559         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addService(any(), any());
 560         doReturn(mockMountPointReg).when(mockMountPointBuilder).register();
 561     }
 562
 563     private static PotentialSchemaSource<?> withSourceId(final SourceIdentifier identifier) {
 564         return argThat(argument -> identifier.equals(argument.getSourceIdentifier()));
 565     }
 566
 567     private static String convertStreamToString(final InputStream is) {
 568         try (Scanner scanner = new Scanner(is)) {
 569             return scanner.useDelimiter("\\A").hasNext() ? scanner.next() : "";
 570         }
 571     }
 572 }