netconf/sal-netconf-connector/src/test/java/org/opendaylight/netconf/sal/connect/netconf/NetconfDeviceTest.java

   1 /*
   2  * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netconf.sal.connect.netconf;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.mockito.Matchers.any;
  13 import static org.mockito.Matchers.anyCollectionOf;
  14 import static org.mockito.Matchers.eq;
  15 import static org.mockito.Mockito.doAnswer;
  16 import static org.mockito.Mockito.doNothing;
  17 import static org.mockito.Mockito.doReturn;
  18 import static org.mockito.Mockito.mock;
  19 import static org.mockito.Mockito.timeout;
  20 import static org.mockito.Mockito.times;
  21 import static org.mockito.Mockito.verify;
  22
  23 import com.google.common.base.Optional;
  24 import com.google.common.collect.HashMultimap;
  25 import com.google.common.collect.Iterables;
  26 import com.google.common.collect.Lists;
  27 import com.google.common.collect.Sets;
  28 import com.google.common.util.concurrent.Futures;
  29 import java.io.InputStream;
  30 import java.net.InetSocketAddress;
  31 import java.util.ArrayList;
  32 import java.util.Collection;
  33 import java.util.Collections;
  34 import java.util.HashMap;
  35 import java.util.List;
  36 import java.util.Map;
  37 import java.util.concurrent.ExecutorService;
  38 import java.util.concurrent.Executors;
  39 import org.junit.Test;
  40 import org.mockito.ArgumentCaptor;
  41 import org.mockito.Mockito;
  42 import org.opendaylight.controller.config.util.xml.XmlUtil;
  43 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
  44 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  45 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  46 import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
  47 import org.opendaylight.netconf.api.NetconfMessage;
  48 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
  49 import org.opendaylight.netconf.sal.connect.api.MessageTransformer;
  50 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemasResolver;
  51 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  52 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCapabilities;
  53 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCommunicator;
  54 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  55 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceRpc;
  56 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
  57 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
  59 import org.opendaylight.yangtools.yang.common.QName;
  60 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  61 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  62 import org.opendaylight.yangtools.yang.model.api.Module;
  63 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
  64 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  65 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  66 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
  67 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
  68 import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
  69 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
  70 import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
  71 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
  72 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  73 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
  74 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
  75 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
  76 import org.opendaylight.yangtools.yang.parser.util.ASTSchemaSource;
  77 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  78
  79 public class NetconfDeviceTest {
  80
  81     private static final NetconfMessage notification;
  82
  83     private static final ContainerNode compositeNode;
  84
  85     static {
  86         try {
  87             compositeNode = mockClass(ContainerNode.class);
  88         } catch (final Exception e) {
  89             throw new RuntimeException(e);
  90         }
  91         try {
  92             notification = new NetconfMessage(XmlUtil.readXmlToDocument(NetconfDeviceTest.class.getResourceAsStream("/notification-payload.xml")));
  93         } catch (Exception e) {
  94             throw new ExceptionInInitializerError(e);
  95         }
  96     }
  97
  98     private static final DOMRpcResult rpcResultC = new DefaultDOMRpcResult(compositeNode);
  99
 100     public static final String TEST_NAMESPACE = "test:namespace";
 101     public static final String TEST_MODULE = "test-module";
 102     public static final String TEST_REVISION = "2013-07-22";
 103     public static final SourceIdentifier TEST_SID =
 104             RevisionSourceIdentifier.create(TEST_MODULE, Optional.of(TEST_REVISION));
 105     public static final String TEST_CAPABILITY = TEST_NAMESPACE + "?module=" + TEST_MODULE + "&amp;revision=" + TEST_REVISION;
 106
 107     public static final SourceIdentifier TEST_SID2 =
 108             RevisionSourceIdentifier.create(TEST_MODULE + "2", Optional.of(TEST_REVISION));
 109     public static final String TEST_CAPABILITY2 = TEST_NAMESPACE + "?module=" + TEST_MODULE + "2" + "&amp;revision=" + TEST_REVISION;
 110
 111     private static final NetconfDeviceSchemasResolver stateSchemasResolver = (deviceRpc, remoteSessionCapabilities, id) -> NetconfStateSchemas.EMPTY;
 112
 113     @Test
 114     public void testNetconfDeviceFlawedModelFailedResolution() throws Exception {
 115         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 116         final NetconfDeviceCommunicator listener = getListener();
 117
 118         final SchemaContextFactory schemaFactory = getSchemaFactory();
 119         final SchemaContext schema = getSchema();
 120         final SchemaRepository schemaRepository = getSchemaRepository();
 121
 122         final SchemaResolutionException schemaResolutionException =
 123                 new SchemaResolutionException("fail first", TEST_SID, new Throwable("YangTools parser fail"));
 124         doAnswer(invocation -> {
 125             if (((Collection<?>) invocation.getArguments()[0]).size() == 2) {
 126                 return Futures.immediateFailedCheckedFuture(schemaResolutionException);
 127             } else {
 128                 return Futures.immediateCheckedFuture(schema);
 129             }
 130         }).when(schemaFactory).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 131
 132         final NetconfDeviceSchemasResolver stateSchemasResolver = (deviceRpc, remoteSessionCapabilities, id) -> {
 133             final Module first = Iterables.getFirst(schema.getModules(), null);
 134             final QName qName = QName.create(first.getQNameModule(), first.getName());
 135             final NetconfStateSchemas.RemoteYangSchema source1 = new NetconfStateSchemas.RemoteYangSchema(qName);
 136             final NetconfStateSchemas.RemoteYangSchema source2 = new NetconfStateSchemas.RemoteYangSchema(QName.create(first.getQNameModule(), "test-module2"));
 137             return new NetconfStateSchemas(Sets.newHashSet(source1, source2));
 138         };
 139
 140         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 141                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaRepository, schemaFactory, stateSchemasResolver);
 142
 143         final NetconfDevice device = new NetconfDeviceBuilder()
 144                 .setReconnectOnSchemasChange(true)
 145                 .setSchemaResourcesDTO(schemaResourcesDTO)
 146                 .setGlobalProcessingExecutor(getExecutor())
 147                 .setId(getId())
 148                 .setSalFacade(facade)
 149                 .build();
 150         // Monitoring supported
 151         final NetconfSessionPreferences sessionCaps = getSessionCaps(true, Lists.newArrayList(TEST_CAPABILITY, TEST_CAPABILITY2));
 152         device.onRemoteSessionUp(sessionCaps, listener);
 153
 154         Mockito.verify(facade, Mockito.timeout(5000)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(NetconfDeviceRpc.class));
 155         Mockito.verify(schemaFactory, times(2)).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 156     }
 157
 158     @Test
 159     public void testNetconfDeviceFailFirstSchemaFailSecondEmpty() throws Exception {
 160         final ArrayList<String> capList = Lists.newArrayList(TEST_CAPABILITY);
 161
 162         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 163         final NetconfDeviceCommunicator listener = getListener();
 164
 165         final SchemaContextFactory schemaFactory = getSchemaFactory();
 166         final SchemaRepository schemaRepository = getSchemaRepository();
 167
 168         // Make fallback attempt to fail due to empty resolved sources
 169         final SchemaResolutionException schemaResolutionException
 170                 = new SchemaResolutionException("fail first",
 171                 Collections.<SourceIdentifier>emptyList(), HashMultimap.<SourceIdentifier, ModuleImport>create());
 172         doReturn(Futures.immediateFailedCheckedFuture(
 173                 schemaResolutionException))
 174                 .when(schemaFactory).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 175
 176         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 177                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaRepository, schemaFactory, stateSchemasResolver);
 178         final NetconfDevice device = new NetconfDeviceBuilder()
 179                 .setReconnectOnSchemasChange(true)
 180                 .setSchemaResourcesDTO(schemaResourcesDTO)
 181                 .setGlobalProcessingExecutor(getExecutor())
 182                 .setId(getId())
 183                 .setSalFacade(facade)
 184                 .build();
 185
 186         // Monitoring not supported
 187         final NetconfSessionPreferences sessionCaps = getSessionCaps(false, capList);
 188         device.onRemoteSessionUp(sessionCaps, listener);
 189
 190         Mockito.verify(facade, Mockito.timeout(5000)).onDeviceDisconnected();
 191         Mockito.verify(listener, Mockito.timeout(5000)).close();
 192         Mockito.verify(schemaFactory, times(1)).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 193     }
 194
 195     @Test
 196     public void testNetconfDeviceMissingSource() throws Exception {
 197         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 198         final NetconfDeviceCommunicator listener = getListener();
 199         final SchemaContext schema = getSchema();
 200
 201         final SchemaContextFactory schemaFactory = getSchemaFactory();
 202         final SchemaRepository schemaRepository = getSchemaRepository();
 203
 204         // Make fallback attempt to fail due to empty resolved sources
 205         final MissingSchemaSourceException schemaResolutionException = new MissingSchemaSourceException("fail first", TEST_SID);
 206         doReturn(Futures.immediateFailedCheckedFuture(schemaResolutionException)).when(schemaRepository).getSchemaSource(eq(TEST_SID), eq(ASTSchemaSource.class));
 207         doAnswer(invocation -> {
 208             if (((Collection<?>) invocation.getArguments()[0]).size() == 2) {
 209                 return Futures.immediateFailedCheckedFuture(schemaResolutionException);
 210             } else {
 211                 return Futures.immediateCheckedFuture(schema);
 212             }
 213         }).when(schemaFactory).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 214
 215         final NetconfDeviceSchemasResolver stateSchemasResolver = (deviceRpc, remoteSessionCapabilities, id) -> {
 216             final Module first = Iterables.getFirst(schema.getModules(), null);
 217             final QName qName = QName.create(first.getQNameModule(), first.getName());
 218             final NetconfStateSchemas.RemoteYangSchema source1 = new NetconfStateSchemas.RemoteYangSchema(qName);
 219             final NetconfStateSchemas.RemoteYangSchema source2 = new NetconfStateSchemas.RemoteYangSchema(QName.create(first.getQNameModule(), "test-module2"));
 220             return new NetconfStateSchemas(Sets.newHashSet(source1, source2));
 221         };
 222
 223         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 224                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaRepository, schemaFactory, stateSchemasResolver);
 225
 226         final NetconfDevice device = new NetconfDeviceBuilder()
 227                 .setReconnectOnSchemasChange(true)
 228                 .setSchemaResourcesDTO(schemaResourcesDTO)
 229                 .setGlobalProcessingExecutor(getExecutor())
 230                 .setId(getId())
 231                 .setSalFacade(facade)
 232                 .build();
 233         // Monitoring supported
 234         final NetconfSessionPreferences sessionCaps = getSessionCaps(true, Lists.newArrayList(TEST_CAPABILITY, TEST_CAPABILITY2));
 235         device.onRemoteSessionUp(sessionCaps, listener);
 236
 237         Mockito.verify(facade, Mockito.timeout(5000)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(NetconfDeviceRpc.class));
 238         Mockito.verify(schemaFactory, times(1)).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
 239     }
 240
 241     private static SchemaSourceRegistry getSchemaRegistry() {
 242         final SchemaSourceRegistry mock = mock(SchemaSourceRegistry.class);
 243         final SchemaSourceRegistration<?> mockReg = mock(SchemaSourceRegistration.class);
 244         doNothing().when(mockReg).close();
 245         doReturn(mockReg).when(mock).registerSchemaSource(any(org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider.class), any(PotentialSchemaSource.class));
 246         return mock;
 247     }
 248
 249     private static SchemaRepository getSchemaRepository() {
 250         final SchemaRepository mock = mock(SchemaRepository.class);
 251         final SchemaSourceRepresentation mockRep = mock(SchemaSourceRepresentation.class);
 252         doReturn(Futures.immediateCheckedFuture(mockRep)).when(mock).getSchemaSource(any(SourceIdentifier.class), eq(ASTSchemaSource.class));
 253         return mock;
 254     }
 255
 256     @Test
 257     public void testNotificationBeforeSchema() throws Exception {
 258         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 259         final NetconfDeviceCommunicator listener = getListener();
 260
 261         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 262                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), getSchemaRepository(), getSchemaFactory(), stateSchemasResolver);
 263         final NetconfDevice device = new NetconfDeviceBuilder()
 264                 .setReconnectOnSchemasChange(true)
 265                 .setSchemaResourcesDTO(schemaResourcesDTO)
 266                 .setGlobalProcessingExecutor(getExecutor())
 267                 .setId(getId())
 268                 .setSalFacade(facade)
 269                 .build();
 270
 271         device.onNotification(notification);
 272         device.onNotification(notification);
 273
 274         verify(facade, times(0)).onNotification(any(DOMNotification.class));
 275
 276         final NetconfSessionPreferences sessionCaps = getSessionCaps(true,
 277                 Lists.newArrayList(TEST_CAPABILITY));
 278
 279         final DOMRpcService deviceRpc = mock(DOMRpcService.class);
 280
 281         device.handleSalInitializationSuccess(NetconfToNotificationTest.getNotificationSchemaContext(getClass(), false), sessionCaps, deviceRpc);
 282
 283         verify(facade, timeout(10000).times(2)).onNotification(any(DOMNotification.class));
 284
 285         device.onNotification(notification);
 286         verify(facade, timeout(10000).times(3)).onNotification(any(DOMNotification.class));
 287     }
 288
 289     @Test
 290     public void testNetconfDeviceReconnect() throws Exception {
 291         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 292         final NetconfDeviceCommunicator listener = getListener();
 293
 294         final SchemaContextFactory schemaContextProviderFactory = getSchemaFactory();
 295
 296         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 297                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), getSchemaRepository(), schemaContextProviderFactory, stateSchemasResolver);
 298         final NetconfDevice device = new NetconfDeviceBuilder()
 299                 .setReconnectOnSchemasChange(true)
 300                 .setSchemaResourcesDTO(schemaResourcesDTO)
 301                 .setGlobalProcessingExecutor(getExecutor())
 302                 .setId(getId())
 303                 .setSalFacade(facade)
 304                 .build();
 305         final NetconfSessionPreferences sessionCaps = getSessionCaps(true,
 306                 Lists.newArrayList(TEST_NAMESPACE + "?module=" + TEST_MODULE + "&amp;revision=" + TEST_REVISION));
 307         device.onRemoteSessionUp(sessionCaps, listener);
 308
 309         verify(schemaContextProviderFactory, timeout(5000)).createSchemaContext(any(Collection.class));
 310         verify(facade, timeout(5000)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(DOMRpcService.class));
 311
 312         device.onRemoteSessionDown();
 313         verify(facade, timeout(5000)).onDeviceDisconnected();
 314
 315         device.onRemoteSessionUp(sessionCaps, listener);
 316
 317         verify(schemaContextProviderFactory, timeout(5000).times(2)).createSchemaContext(any(Collection.class));
 318         verify(facade, timeout(5000).times(2)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(DOMRpcService.class));
 319     }
 320
 321     @Test
 322     public void testNetconfDeviceAvailableCapabilitiesBuilding() throws Exception {
 323         final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
 324         final NetconfDeviceCommunicator listener = getListener();
 325
 326         final SchemaContextFactory schemaContextProviderFactory = getSchemaFactory();
 327
 328         final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
 329                 = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), getSchemaRepository(), schemaContextProviderFactory, stateSchemasResolver);
 330         final NetconfDevice device = new NetconfDeviceBuilder()
 331                 .setReconnectOnSchemasChange(true)
 332                 .setSchemaResourcesDTO(schemaResourcesDTO)
 333                 .setGlobalProcessingExecutor(getExecutor())
 334                 .setId(getId())
 335                 .setSalFacade(facade)
 336                 .build();
 337         NetconfDevice netconfSpy = Mockito.spy(device);
 338
 339         final NetconfSessionPreferences sessionCaps = getSessionCaps(true,
 340                 Lists.newArrayList(TEST_NAMESPACE + "?module=" + TEST_MODULE + "&amp;revision=" + TEST_REVISION));
 341         Map<QName, AvailableCapability.CapabilityOrigin> moduleBasedCaps = new HashMap<>();
 342         moduleBasedCaps.putAll(sessionCaps.getModuleBasedCapsOrigin());
 343         moduleBasedCaps.put(QName.create("(test:qname:side:loading)test"), AvailableCapability.CapabilityOrigin.UserDefined);
 344
 345         netconfSpy.onRemoteSessionUp(sessionCaps.replaceModuleCaps(moduleBasedCaps), listener);
 346
 347         ArgumentCaptor argument = ArgumentCaptor.forClass(NetconfSessionPreferences.class);
 348         verify(netconfSpy, timeout(5000)).handleSalInitializationSuccess(any(SchemaContext.class), (NetconfSessionPreferences) argument.capture(), any(DOMRpcService.class));
 349         NetconfDeviceCapabilities netconfDeviceCaps = ((NetconfSessionPreferences) argument.getValue()).getNetconfDeviceCapabilities();
 350
 351         netconfDeviceCaps.getResolvedCapabilities().forEach(entry -> assertEquals("Builded 'AvailableCapability' schemas should match input capabilities.",
 352                 moduleBasedCaps.get(QName.create(entry.getCapability())).getName(), entry.getCapabilityOrigin().getName()));
 353     }
 354
 355     private static SchemaContextFactory getSchemaFactory() throws Exception {
 356         final SchemaContextFactory schemaFactory = mockClass(SchemaContextFactory.class);
 357         doReturn(Futures.immediateCheckedFuture(getSchema())).when(schemaFactory).createSchemaContext(any(Collection.class));
 358         return schemaFactory;
 359     }
 360
 361     public static SchemaContext getSchema() throws Exception {
 362         final List<InputStream> modelsToParse = Lists.newArrayList(
 363                 NetconfDeviceTest.class.getResourceAsStream("/schemas/test-module.yang")
 364         );
 365         return YangParserTestUtils.parseYangStreams(modelsToParse);
 366     }
 367
 368     private static RemoteDeviceHandler<NetconfSessionPreferences> getFacade() throws Exception {
 369         final RemoteDeviceHandler<NetconfSessionPreferences> remoteDeviceHandler = mockCloseableClass(RemoteDeviceHandler.class);
 370         doNothing().when(remoteDeviceHandler).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(NetconfDeviceRpc.class));
 371         doNothing().when(remoteDeviceHandler).onDeviceDisconnected();
 372         doNothing().when(remoteDeviceHandler).onNotification(any(DOMNotification.class));
 373         return remoteDeviceHandler;
 374     }
 375
 376     private static <T extends AutoCloseable> T mockCloseableClass(final Class<T> remoteDeviceHandlerClass)
 377             throws Exception {
 378         final T mock = mockClass(remoteDeviceHandlerClass);
 379         doNothing().when(mock).close();
 380         return mock;
 381     }
 382
 383     private static <T> T mockClass(final Class<T> remoteDeviceHandlerClass) {
 384         final T mock = mock(remoteDeviceHandlerClass);
 385         Mockito.doReturn(remoteDeviceHandlerClass.getSimpleName()).when(mock).toString();
 386         return mock;
 387     }
 388
 389     public RemoteDeviceId getId() {
 390         return new RemoteDeviceId("test-D", InetSocketAddress.createUnresolved("localhost", 22));
 391     }
 392
 393     public ExecutorService getExecutor() {
 394         return Executors.newSingleThreadExecutor();
 395     }
 396
 397     public MessageTransformer<NetconfMessage> getMessageTransformer() throws Exception {
 398         final MessageTransformer<NetconfMessage> messageTransformer = mockClass(MessageTransformer.class);
 399         doReturn(notification).when(messageTransformer).toRpcRequest(any(SchemaPath.class), any(NormalizedNode.class));
 400         doReturn(rpcResultC).when(messageTransformer).toRpcResult(any(NetconfMessage.class), any(SchemaPath.class));
 401         doReturn(compositeNode).when(messageTransformer).toNotification(any(NetconfMessage.class));
 402         return messageTransformer;
 403     }
 404
 405     public NetconfSessionPreferences getSessionCaps(final boolean addMonitor, final Collection<String> additionalCapabilities) {
 406         final ArrayList<String> capabilities = Lists.newArrayList(
 407                 XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_0,
 408                 XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_1);
 409
 410         if(addMonitor) {
 411             capabilities.add(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING.getNamespace().toString());
 412         }
 413
 414         capabilities.addAll(additionalCapabilities);
 415
 416         return NetconfSessionPreferences.fromStrings(
 417                 capabilities);
 418     }
 419
 420     public NetconfDeviceCommunicator getListener() throws Exception {
 421         final NetconfDeviceCommunicator remoteDeviceCommunicator = mockCloseableClass(NetconfDeviceCommunicator.class);
 422 //        doReturn(Futures.immediateFuture(rpcResult)).when(remoteDeviceCommunicator).sendRequest(any(NetconfMessage.class), any(QName.class));
 423         return remoteDeviceCommunicator;
 424     }
 425 }