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.common.api.LogicalDatastoreType;
  63 import org.opendaylight.mdsal.dom.api.DOMActionException;
  64 import org.opendaylight.mdsal.dom.api.DOMActionResult;
  65 import org.opendaylight.mdsal.dom.api.DOMActionService;
  66 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  67 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  68 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  69 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  70 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  71 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  72 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  73 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  74 import org.opendaylight.mdsal.dom.api.DOMRpcException;
  75 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  76 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  77 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  78 import org.opendaylight.mdsal.dom.spi.SimpleDOMActionResult;
  79 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  80 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
  81 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringActionException;
  82 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
  83 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
  84 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup.NetconfTopologySetupBuilder;
  85 import org.opendaylight.netconf.topology.singleton.messages.AskForMasterMountPoint;
  86 import org.opendaylight.netconf.topology.singleton.messages.CreateInitialMasterActorData;
  87 import org.opendaylight.netconf.topology.singleton.messages.MasterActorDataInitialized;
  88 import org.opendaylight.netconf.topology.singleton.messages.NotMasterException;
  89 import org.opendaylight.netconf.topology.singleton.messages.RefreshSetupMasterActorData;
  90 import org.opendaylight.netconf.topology.singleton.messages.RegisterMountPoint;
  91 import org.opendaylight.netconf.topology.singleton.messages.UnregisterSlaveMountPoint;
  92 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  93 import org.opendaylight.yangtools.util.concurrent.FluentFutures;
  94 import org.opendaylight.yangtools.yang.common.QName;
  95 import org.opendaylight.yangtools.yang.common.RpcError;
  96 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  97 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  98 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  99 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 100 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 101 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
 102 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
 103 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 104 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 105 import org.opendaylight.yangtools.yang.model.repo.api.EffectiveModelContextFactory;
 106 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
 107 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
 108 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
 109 import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
 110 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
 111 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
 112 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
 113 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
 114 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
 115 import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
 116 import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToASTTransformer;
 117 import scala.concurrent.Await;
 118 import scala.concurrent.Future;
 119 import scala.concurrent.duration.Duration;
 120
 121 public class NetconfNodeActorTest {
 122
 123     private static final Timeout TIMEOUT = new Timeout(Duration.create(5, "seconds"));
 124     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER1 = RevisionSourceIdentifier.create("yang1");
 125     private static final RevisionSourceIdentifier SOURCE_IDENTIFIER2 = RevisionSourceIdentifier.create("yang2");
 126
 127     private ActorSystem system = ActorSystem.create();
 128     private final TestKit testKit = new TestKit(system);
 129
 130     @Rule
 131     public final ExpectedException exception = ExpectedException.none();
 132
 133     private ActorRef masterRef;
 134     private RemoteDeviceId remoteDeviceId;
 135     private final SharedSchemaRepository masterSchemaRepository = new SharedSchemaRepository("master");
 136
 137     @Mock
 138     private DOMRpcService mockDOMRpcService;
 139
 140     @Mock
 141     private DOMActionService mockDOMActionService;
 142
 143     @Mock
 144     private DOMMountPointService mockMountPointService;
 145
 146     @Mock
 147     private DOMMountPointService.DOMMountPointBuilder mockMountPointBuilder;
 148
 149     @Mock
 150     private ObjectRegistration<DOMMountPoint> mockMountPointReg;
 151
 152     @Mock
 153     private DOMDataBroker mockDOMDataBroker;
 154
 155     @Mock
 156     private SchemaSourceRegistration<?> mockSchemaSourceReg1;
 157
 158     @Mock
 159     private SchemaSourceRegistration<?> mockSchemaSourceReg2;
 160
 161     @Mock
 162     private SchemaSourceRegistry mockRegistry;
 163
 164     @Mock
 165     private EffectiveModelContextFactory mockSchemaContextFactory;
 166
 167     @Mock
 168     private SchemaRepository mockSchemaRepository;
 169
 170     @Mock
 171     private EffectiveModelContext mockSchemaContext;
 172
 173     @Before
 174     public void setup() {
 175         initMocks(this);
 176
 177         remoteDeviceId = new RemoteDeviceId("netconf-topology",
 178                 new InetSocketAddress(InetAddresses.forString("127.0.0.1"), 9999));
 179
 180         masterSchemaRepository.registerSchemaSourceListener(
 181                 TextToASTTransformer.create(masterSchemaRepository, masterSchemaRepository));
 182
 183         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system)
 184                 .setIdleTimeout(Duration.apply(1, TimeUnit.SECONDS)).build();
 185
 186         final Props props = NetconfNodeActor.props(setup, remoteDeviceId, masterSchemaRepository,
 187                 masterSchemaRepository, TIMEOUT, mockMountPointService);
 188
 189         masterRef = TestActorRef.create(system, props, "master_messages");
 190
 191         resetMountPointMocks();
 192
 193         doReturn(mockMountPointBuilder).when(mockMountPointService).createMountPoint(any());
 194
 195         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 196         doReturn(mockSchemaSourceReg2).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 197
 198         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 199                 .createEffectiveModelContextFactory();
 200     }
 201
 202     @After
 203     public void teardown() {
 204         TestKit.shutdownActorSystem(system, true);
 205         system = null;
 206     }
 207
 208     @Test
 209     public void testInitializeAndRefreshMasterData() {
 210
 211         // Test CreateInitialMasterActorData.
 212
 213         initializeMaster(new ArrayList<>());
 214
 215         // Test RefreshSetupMasterActorData.
 216
 217         final RemoteDeviceId newRemoteDeviceId = new RemoteDeviceId("netconf-topology2",
 218                 new InetSocketAddress(InetAddresses.forString("127.0.0.2"), 9999));
 219
 220         final NetconfTopologySetup newSetup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 221
 222         masterRef.tell(new RefreshSetupMasterActorData(newSetup, newRemoteDeviceId), testKit.getRef());
 223
 224         testKit.expectMsgClass(MasterActorDataInitialized.class);
 225     }
 226
 227     @Test
 228     public void tesAskForMasterMountPoint() {
 229
 230         // Test with master not setup yet.
 231
 232         final TestKit kit = new TestKit(system);
 233
 234         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 235
 236         final Failure failure = kit.expectMsgClass(Failure.class);
 237         assertTrue(failure.cause() instanceof NotMasterException);
 238
 239         // Now initialize - master should send the RegisterMountPoint message.
 240
 241         List<SourceIdentifier> sourceIdentifiers = Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 242         initializeMaster(sourceIdentifiers);
 243
 244         masterRef.tell(new AskForMasterMountPoint(kit.getRef()), kit.getRef());
 245
 246         final RegisterMountPoint registerMountPoint = kit.expectMsgClass(RegisterMountPoint.class);
 247
 248         assertEquals(sourceIdentifiers, registerMountPoint.getSourceIndentifiers());
 249     }
 250
 251     @Test
 252     public void testRegisterAndUnregisterMountPoint() throws Exception {
 253
 254         ActorRef slaveRef = registerSlaveMountPoint();
 255
 256         // Unregister
 257
 258         slaveRef.tell(new UnregisterSlaveMountPoint(), testKit.getRef());
 259
 260         verify(mockMountPointReg, timeout(5000)).close();
 261         verify(mockSchemaSourceReg1, timeout(1000)).close();
 262         verify(mockSchemaSourceReg2, timeout(1000)).close();
 263
 264         // Test registration with another interleaved registration that completes while the first registration
 265         // is resolving the schema context.
 266
 267         reset(mockSchemaSourceReg1, mockRegistry, mockSchemaRepository);
 268         resetMountPointMocks();
 269
 270         doReturn(mockSchemaSourceReg1).when(mockRegistry).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 271
 272         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 273                 .createEffectiveModelContextFactory();
 274
 275         final SchemaSourceRegistration<?> newMockSchemaSourceReg = mock(SchemaSourceRegistration.class);
 276
 277         final EffectiveModelContextFactory newMockSchemaContextFactory = mock(EffectiveModelContextFactory.class);
 278         doReturn(Futures.immediateFuture(mockSchemaContext))
 279                 .when(newMockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 280
 281         doAnswer(unused -> {
 282             SettableFuture<SchemaContext> future = SettableFuture.create();
 283             new Thread(() -> {
 284                 doReturn(newMockSchemaSourceReg).when(mockRegistry).registerSchemaSource(any(),
 285                         withSourceId(SOURCE_IDENTIFIER1));
 286
 287                 doReturn(newMockSchemaContextFactory).when(mockSchemaRepository)
 288                         .createEffectiveModelContextFactory();
 289
 290                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef),
 291                         testKit.getRef());
 292
 293                 future.set(mockSchemaContext);
 294             }).start();
 295             return future;
 296         }).when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 297
 298         doReturn(mockSchemaContextFactory).when(mockSchemaRepository)
 299                 .createEffectiveModelContextFactory();
 300
 301         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1), masterRef), testKit.getRef());
 302
 303         verify(mockMountPointBuilder, timeout(5000)).register();
 304         verify(mockMountPointBuilder, after(500)).addInitialSchemaContext(mockSchemaContext);
 305         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 306         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 307         verify(mockMountPointBuilder).addService(eq(DOMActionService.class), any());
 308         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 309         verify(mockSchemaSourceReg1).close();
 310         verify(mockRegistry, times(2)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 311         verify(mockSchemaRepository, times(2)).createEffectiveModelContextFactory();
 312         verifyNoMoreInteractions(mockMountPointBuilder, newMockSchemaSourceReg);
 313
 314         // Stop the slave actor and verify schema source registrations are closed.
 315
 316         final Future<Boolean> stopFuture = Patterns.gracefulStop(slaveRef, TIMEOUT.duration());
 317         Await.result(stopFuture, TIMEOUT.duration());
 318
 319         verify(mockMountPointReg).close();
 320         verify(newMockSchemaSourceReg).close();
 321     }
 322
 323     @SuppressWarnings("unchecked")
 324     @Test
 325     public void testRegisterMountPointWithSchemaFailures() throws Exception {
 326         final NetconfTopologySetup setup = NetconfTopologySetupBuilder.create().setActorSystem(system).build();
 327
 328         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(setup, remoteDeviceId, mockRegistry,
 329                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 330
 331         // Test unrecoverable failure.
 332
 333         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock")))
 334                 .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 335
 336         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 337                 masterRef), testKit.getRef());
 338
 339         testKit.expectMsgClass(Success.class);
 340
 341         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER1));
 342         verify(mockRegistry, timeout(5000)).registerSchemaSource(any(), withSourceId(SOURCE_IDENTIFIER2));
 343
 344         verify(mockMountPointBuilder, after(1000).never()).register();
 345         verify(mockSchemaSourceReg1, timeout(1000)).close();
 346         verify(mockSchemaSourceReg2, timeout(1000)).close();
 347
 348         // Test recoverable AskTimeoutException - schema context resolution should be retried.
 349
 350         reset(mockSchemaSourceReg1, mockSchemaSourceReg2);
 351
 352         doReturn(Futures.immediateFailedFuture(new SchemaResolutionException("mock",
 353                 new AskTimeoutException("timeout"))))
 354             .doReturn(Futures.immediateFuture(mockSchemaContext))
 355             .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 356
 357         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 358                 masterRef), testKit.getRef());
 359
 360         testKit.expectMsgClass(Success.class);
 361
 362         verify(mockMountPointBuilder, timeout(5000)).register();
 363         verifyNoMoreInteractions(mockSchemaSourceReg1, mockSchemaSourceReg2);
 364
 365         // Test AskTimeoutException with an interleaved successful registration. The first schema context resolution
 366         // attempt should not be retried.
 367
 368         reset(mockSchemaSourceReg1, mockSchemaSourceReg2, mockSchemaRepository, mockSchemaContextFactory);
 369         resetMountPointMocks();
 370
 371         final EffectiveModelContextFactory mockSchemaContextFactorySuccess = mock(EffectiveModelContextFactory.class);
 372         doReturn(Futures.immediateFuture(mockSchemaContext))
 373                 .when(mockSchemaContextFactorySuccess).createEffectiveModelContext(anyCollection());
 374
 375         doAnswer(unused -> {
 376             SettableFuture<SchemaContext> future = SettableFuture.create();
 377             new Thread(() -> {
 378                 doReturn(mockSchemaContextFactorySuccess).when(mockSchemaRepository)
 379                     .createEffectiveModelContextFactory();
 380
 381                 slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 382                         masterRef), testKit.getRef());
 383
 384                 future.setException(new SchemaResolutionException("mock", new AskTimeoutException("timeout")));
 385             }).start();
 386             return future;
 387         }).when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 388
 389         doReturn(mockSchemaContextFactory).when(mockSchemaRepository).createEffectiveModelContextFactory();
 390
 391         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 392                 masterRef), testKit.getRef());
 393
 394         verify(mockMountPointBuilder, timeout(5000)).register();
 395         verify(mockSchemaRepository, times(2)).createEffectiveModelContextFactory();
 396     }
 397
 398     @Test
 399     public void testYangTextSchemaSourceRequest() throws Exception {
 400         final SourceIdentifier sourceIdentifier = RevisionSourceIdentifier.create("testID");
 401
 402         final ProxyYangTextSourceProvider proxyYangProvider =
 403                 new ProxyYangTextSourceProvider(masterRef, system.dispatcher(), TIMEOUT);
 404
 405         final YangTextSchemaSource yangTextSchemaSource = YangTextSchemaSource.delegateForByteSource(sourceIdentifier,
 406                 ByteSource.wrap("YANG".getBytes(UTF_8)));
 407
 408         // Test success.
 409
 410         final SchemaSourceRegistration<YangTextSchemaSource> schemaSourceReg = masterSchemaRepository
 411                 .registerSchemaSource(id -> Futures.immediateFuture(yangTextSchemaSource),
 412                      PotentialSchemaSource.create(sourceIdentifier, YangTextSchemaSource.class, 1));
 413
 414         final Future<YangTextSchemaSourceSerializationProxy> resolvedSchemaFuture =
 415                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 416
 417         final YangTextSchemaSourceSerializationProxy success = Await.result(resolvedSchemaFuture, TIMEOUT.duration());
 418
 419         assertEquals(sourceIdentifier, success.getRepresentation().getIdentifier());
 420         assertEquals("YANG", convertStreamToString(success.getRepresentation().openStream()));
 421
 422         // Test missing source failure.
 423
 424         exception.expect(MissingSchemaSourceException.class);
 425
 426         schemaSourceReg.close();
 427
 428         final Future<YangTextSchemaSourceSerializationProxy> failedSchemaFuture =
 429                 proxyYangProvider.getYangTextSchemaSource(sourceIdentifier);
 430
 431         Await.result(failedSchemaFuture, TIMEOUT.duration());
 432     }
 433
 434     @Test
 435     @SuppressWarnings({"checkstyle:AvoidHidingCauseException", "checkstyle:IllegalThrows"})
 436     public void testSlaveInvokeRpc() throws Throwable {
 437
 438         final List<SourceIdentifier> sourceIdentifiers =
 439                 Lists.newArrayList(RevisionSourceIdentifier.create("testID"));
 440
 441         initializeMaster(sourceIdentifiers);
 442         registerSlaveMountPoint();
 443
 444         ArgumentCaptor<DOMRpcService> domRPCServiceCaptor = ArgumentCaptor.forClass(DOMRpcService.class);
 445         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), domRPCServiceCaptor.capture());
 446
 447         final DOMRpcService slaveDomRPCService = domRPCServiceCaptor.getValue();
 448         assertTrue(slaveDomRPCService instanceof ProxyDOMRpcService);
 449
 450         final QName testQName = QName.create("", "TestQname");
 451         final SchemaPath schemaPath = SchemaPath.create(true, testQName);
 452         final NormalizedNode<?, ?> outputNode = ImmutableContainerNodeBuilder.create()
 453                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(testQName))
 454                 .withChild(ImmutableNodes.leafNode(testQName, "foo")).build();
 455         final RpcError rpcError = RpcResultBuilder.newError(RpcError.ErrorType.RPC, null, "Rpc invocation failed.");
 456
 457         // RPC with no response output.
 458
 459         doReturn(FluentFutures.immediateNullFluentFuture()).when(mockDOMRpcService).invokeRpc(any(), any());
 460
 461         DOMRpcResult result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 462
 463         assertEquals(null, result);
 464
 465         // RPC with response output.
 466
 467         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(outputNode)))
 468                 .when(mockDOMRpcService).invokeRpc(any(), any());
 469
 470         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 471
 472         assertEquals(outputNode, result.getResult());
 473         assertTrue(result.getErrors().isEmpty());
 474
 475         // RPC with response error.
 476
 477         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(rpcError)))
 478                 .when(mockDOMRpcService).invokeRpc(any(), any());
 479
 480         result = slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 481
 482         assertNull(result.getResult());
 483         assertEquals(rpcError, result.getErrors().iterator().next());
 484
 485         // RPC with response output and error.
 486
 487         doReturn(FluentFutures.immediateFluentFuture(new DefaultDOMRpcResult(outputNode, rpcError)))
 488                 .when(mockDOMRpcService).invokeRpc(any(), any());
 489
 490         final DOMRpcResult resultOutputError =
 491                 slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 492
 493         assertEquals(outputNode, resultOutputError.getResult());
 494         assertEquals(rpcError, resultOutputError.getErrors().iterator().next());
 495
 496         // RPC failure.
 497
 498         exception.expect(DOMRpcException.class);
 499
 500         doReturn(FluentFutures.immediateFailedFluentFuture(new ClusteringRpcException("mock")))
 501                 .when(mockDOMRpcService).invokeRpc(any(), any());
 502
 503         try {
 504             slaveDomRPCService.invokeRpc(schemaPath, outputNode).get(2, TimeUnit.SECONDS);
 505         } catch (ExecutionException e) {
 506             throw e.getCause();
 507         }
 508     }
 509
 510     @Test
 511     @SuppressWarnings({"checkstyle:AvoidHidingCauseException", "checkstyle:IllegalThrows"})
 512     public void testSlaveInvokeAction() throws Throwable {
 513         final List<SourceIdentifier> sourceIdentifiers = Lists
 514             .newArrayList(RevisionSourceIdentifier.create("testActionID"));
 515         initializeMaster(sourceIdentifiers);
 516         registerSlaveMountPoint();
 517
 518         ArgumentCaptor<DOMActionService> domActionServiceCaptor = ArgumentCaptor.forClass(DOMActionService.class);
 519         verify(mockMountPointBuilder).addService(eq(DOMActionService.class), domActionServiceCaptor.capture());
 520
 521         final DOMActionService slaveDomActionService = domActionServiceCaptor.getValue();
 522         assertTrue(slaveDomActionService instanceof ProxyDOMActionService);
 523
 524         final QName testQName = QName.create("test", "2019-08-16", "TestActionQname");
 525         final SchemaPath schemaPath = SchemaPath.create(true, testQName);
 526
 527         final YangInstanceIdentifier yangIIdPath = YangInstanceIdentifier
 528             .create(new YangInstanceIdentifier.NodeIdentifier(testQName));
 529
 530         final DOMDataTreeIdentifier domDataTreeIdentifier = new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL,
 531             yangIIdPath);
 532
 533         final ContainerNode outputNode = ImmutableContainerNodeBuilder.create()
 534             .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(testQName))
 535             .withChild(ImmutableNodes.leafNode(testQName, "foo")).build();
 536
 537         // Action with no response output.
 538         doReturn(FluentFutures.immediateNullFluentFuture()).when(mockDOMActionService)
 539             .invokeAction(any(), any(), any());
 540         DOMActionResult result = slaveDomActionService.invokeAction(schemaPath, domDataTreeIdentifier, outputNode)
 541             .get(2, TimeUnit.SECONDS);
 542         assertEquals(null, result);
 543
 544         // Action with response output.
 545         doReturn(FluentFutures.immediateFluentFuture(new SimpleDOMActionResult(outputNode))).when(mockDOMActionService)
 546             .invokeAction(any(), any(), any());
 547         result = slaveDomActionService.invokeAction(schemaPath, domDataTreeIdentifier, outputNode)
 548             .get(2, TimeUnit.SECONDS);
 549
 550         assertEquals(outputNode, result.getOutput().get());
 551         assertTrue(result.getErrors().isEmpty());
 552
 553         // Action failure.
 554         exception.expect(DOMActionException.class);
 555         doReturn(FluentFutures.immediateFailedFluentFuture(new ClusteringActionException("mock")))
 556             .when(mockDOMActionService).invokeAction(any(), any(), any());
 557         try {
 558             slaveDomActionService.invokeAction(schemaPath, domDataTreeIdentifier, outputNode).get(2, TimeUnit.SECONDS);
 559         } catch (ExecutionException e) {
 560             throw e.getCause();
 561         }
 562     }
 563
 564     @Test
 565     public void testSlaveNewTransactionRequests() {
 566
 567         doReturn(mock(DOMDataTreeReadTransaction.class)).when(mockDOMDataBroker).newReadOnlyTransaction();
 568         doReturn(mock(DOMDataTreeReadWriteTransaction.class)).when(mockDOMDataBroker).newReadWriteTransaction();
 569         doReturn(mock(DOMDataTreeWriteTransaction.class)).when(mockDOMDataBroker).newWriteOnlyTransaction();
 570
 571         initializeMaster(Collections.emptyList());
 572         registerSlaveMountPoint();
 573
 574         ArgumentCaptor<DOMDataBroker> domDataBrokerCaptor = ArgumentCaptor.forClass(DOMDataBroker.class);
 575         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), domDataBrokerCaptor.capture());
 576
 577         final DOMDataBroker slaveDOMDataBroker = domDataBrokerCaptor.getValue();
 578         assertTrue(slaveDOMDataBroker instanceof ProxyDOMDataBroker);
 579
 580         slaveDOMDataBroker.newReadOnlyTransaction();
 581         verify(mockDOMDataBroker).newReadOnlyTransaction();
 582
 583         slaveDOMDataBroker.newReadWriteTransaction();
 584         verify(mockDOMDataBroker).newReadWriteTransaction();
 585
 586         slaveDOMDataBroker.newWriteOnlyTransaction();
 587         verify(mockDOMDataBroker).newWriteOnlyTransaction();
 588     }
 589
 590     private ActorRef registerSlaveMountPoint() {
 591         final ActorRef slaveRef = system.actorOf(NetconfNodeActor.props(
 592                 NetconfTopologySetupBuilder.create().setActorSystem(system).build(), remoteDeviceId, mockRegistry,
 593                 mockSchemaRepository, TIMEOUT, mockMountPointService));
 594
 595         doReturn(Futures.immediateFuture(mockSchemaContext))
 596                 .when(mockSchemaContextFactory).createEffectiveModelContext(anyCollection());
 597
 598         slaveRef.tell(new RegisterMountPoint(ImmutableList.of(SOURCE_IDENTIFIER1, SOURCE_IDENTIFIER2),
 599                 masterRef), testKit.getRef());
 600
 601         verify(mockMountPointBuilder, timeout(5000)).register();
 602         verify(mockMountPointBuilder).addInitialSchemaContext(mockSchemaContext);
 603         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 604         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 605         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 606
 607         testKit.expectMsgClass(Success.class);
 608
 609         return slaveRef;
 610     }
 611
 612     private void initializeMaster(final List<SourceIdentifier> sourceIdentifiers) {
 613         masterRef.tell(new CreateInitialMasterActorData(mockDOMDataBroker, sourceIdentifiers,
 614                 mockDOMRpcService, mockDOMActionService), testKit.getRef());
 615
 616         testKit.expectMsgClass(MasterActorDataInitialized.class);
 617     }
 618
 619     private void resetMountPointMocks() {
 620         reset(mockMountPointReg, mockMountPointBuilder);
 621
 622         doNothing().when(mockMountPointReg).close();
 623
 624         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addInitialSchemaContext(any());
 625         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addService(any(), any());
 626         doReturn(mockMountPointReg).when(mockMountPointBuilder).register();
 627     }
 628
 629     private static PotentialSchemaSource<?> withSourceId(final SourceIdentifier identifier) {
 630         return argThat(argument -> identifier.equals(argument.getSourceIdentifier()));
 631     }
 632
 633     private static String convertStreamToString(final InputStream is) {
 634         try (Scanner scanner = new Scanner(is)) {
 635             return scanner.useDelimiter("\\A").hasNext() ? scanner.next() : "";
 636         }
 637     }
 638 }