restconf/restconf-nb-bierman02/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/BrokerFacadeTest.java

   1 /*
   2  * Copyright (c) 2014, 2015 Brocade Communications 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.controller.sal.restconf.impl.test;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertNotNull;
  14 import static org.junit.Assert.assertSame;
  15 import static org.junit.Assert.assertTrue;
  16 import static org.junit.Assert.fail;
  17 import static org.mockito.ArgumentMatchers.any;
  18 import static org.mockito.ArgumentMatchers.eq;
  19 import static org.mockito.Mockito.doReturn;
  20 import static org.mockito.Mockito.inOrder;
  21 import static org.mockito.Mockito.mock;
  22 import static org.mockito.Mockito.times;
  23 import static org.mockito.Mockito.verify;
  24 import static org.mockito.Mockito.verifyNoMoreInteractions;
  25 import static org.mockito.Mockito.when;
  26
  27 import com.google.common.base.Optional;
  28 import com.google.common.collect.Lists;
  29 import com.google.common.util.concurrent.CheckedFuture;
  30 import com.google.common.util.concurrent.Futures;
  31 import java.util.HashMap;
  32 import java.util.concurrent.Future;
  33 import org.junit.Before;
  34 import org.junit.Test;
  35 import org.mockito.InOrder;
  36 import org.mockito.Mock;
  37 import org.mockito.Mockito;
  38 import org.mockito.MockitoAnnotations;
  39 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  40 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  41 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  42 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  43 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
  44 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  45 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
  46 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
  47 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  48 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  49 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
  50 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  51 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  52 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  53 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  54 import org.opendaylight.controller.md.sal.rest.common.TestRestconfUtils;
  55 import org.opendaylight.netconf.sal.restconf.impl.BrokerFacade;
  56 import org.opendaylight.netconf.sal.restconf.impl.ControllerContext;
  57 import org.opendaylight.netconf.sal.restconf.impl.PutResult;
  58 import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
  59 import org.opendaylight.netconf.sal.streams.listeners.NotificationListenerAdapter;
  60 import org.opendaylight.netconf.sal.streams.listeners.Notificator;
  61 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  62 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  63 import org.opendaylight.restconf.common.errors.RestconfError;
  64 import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
  65 import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
  66 import org.opendaylight.restconf.common.patch.PatchContext;
  67 import org.opendaylight.restconf.common.patch.PatchStatusContext;
  68 import org.opendaylight.restconf.common.util.DataChangeScope;
  69 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
  70 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  71 import org.opendaylight.yangtools.yang.common.QName;
  72 import org.opendaylight.yangtools.yang.common.RpcError;
  73 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  74 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  75 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  76 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  77 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  78 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  79 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  80
  81 /**
  82  * Unit tests for BrokerFacade.
  83  *
  84  * @author Thomas Pantelis
  85  */
  86 public class BrokerFacadeTest {
  87
  88     @Mock
  89     private DOMDataBroker domDataBroker;
  90     @Mock
  91     private DOMNotificationService domNotification;
  92     @Mock
  93     private DOMRpcService mockRpcService;
  94     @Mock
  95     private DOMMountPoint mockMountInstance;
  96     @Mock
  97     private DOMDataReadOnlyTransaction readTransaction;
  98     @Mock
  99     private DOMDataWriteTransaction writeTransaction;
 100     @Mock
 101     private DOMDataReadWriteTransaction rwTransaction;
 102
 103     private BrokerFacade brokerFacade;
 104     private final NormalizedNode<?, ?> dummyNode = createDummyNode("test:module", "2014-01-09", "interfaces");
 105     private final CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> dummyNodeInFuture =
 106             wrapDummyNode(this.dummyNode);
 107     private final QName qname = TestUtils.buildQName("interfaces","test:module", "2014-01-09");
 108     private final SchemaPath type = SchemaPath.create(true, this.qname);
 109     private final YangInstanceIdentifier instanceID = YangInstanceIdentifier.builder().node(this.qname).build();
 110     private ControllerContext controllerContext;
 111
 112     @Before
 113     public void setUp() throws Exception {
 114         MockitoAnnotations.initMocks(this);
 115
 116         controllerContext = TestRestconfUtils.newControllerContext(
 117                 TestUtils.loadSchemaContext("/full-versions/test-module", "/modules"));
 118
 119         brokerFacade = BrokerFacade.newInstance(mockRpcService, domDataBroker, domNotification, controllerContext);
 120
 121         when(this.domDataBroker.newReadOnlyTransaction()).thenReturn(this.readTransaction);
 122         when(this.domDataBroker.newWriteOnlyTransaction()).thenReturn(this.writeTransaction);
 123         when(this.domDataBroker.newReadWriteTransaction()).thenReturn(this.rwTransaction);
 124         HashMap extensions = new HashMap();
 125         extensions.put(DOMDataTreeChangeService.class, Mockito.mock(DOMDataTreeChangeService.class));
 126         when(this.domDataBroker.getSupportedExtensions()).thenReturn(extensions);
 127     }
 128
 129     private static CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> wrapDummyNode(
 130             final NormalizedNode<?, ?> dummyNode) {
 131         return Futures.immediateCheckedFuture(Optional.<NormalizedNode<?, ?>>of(dummyNode));
 132     }
 133
 134     private static CheckedFuture<Boolean, ReadFailedException> wrapExistence(final Boolean exists) {
 135         return Futures.immediateCheckedFuture(exists);
 136     }
 137
 138     /**
 139      * Value of this node shouldn't be important for testing purposes.
 140      */
 141     private static NormalizedNode<?, ?> createDummyNode(final String namespace, final String date,
 142             final String localName) {
 143         return Builders.containerBuilder()
 144                 .withNodeIdentifier(new NodeIdentifier(QName.create(namespace, date, localName))).build();
 145     }
 146
 147     @Test
 148     public void testReadConfigurationData() {
 149         when(this.readTransaction.read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class))).thenReturn(
 150                 this.dummyNodeInFuture);
 151
 152         final NormalizedNode<?, ?> actualNode = this.brokerFacade.readConfigurationData(this.instanceID);
 153
 154         assertSame("readConfigurationData", this.dummyNode, actualNode);
 155     }
 156
 157     @Test
 158     public void testReadOperationalData() {
 159         when(this.readTransaction.read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class))).thenReturn(
 160                 this.dummyNodeInFuture);
 161
 162         final NormalizedNode<?, ?> actualNode = this.brokerFacade.readOperationalData(this.instanceID);
 163
 164         assertSame("readOperationalData", this.dummyNode, actualNode);
 165     }
 166
 167     @Test
 168     public void test503() throws Exception {
 169         final RpcError error = RpcResultBuilder.newError(
 170                 RpcError.ErrorType.TRANSPORT,
 171                 ErrorTag.RESOURCE_DENIED.getTagValue(),
 172                 "Master is down. Please try again.");
 173         final ReadFailedException exception503 = new ReadFailedException("Read from transaction failed", error);
 174         doReturn(Futures.immediateFailedCheckedFuture(exception503))
 175                 .when(readTransaction).read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class));
 176         try {
 177             brokerFacade.readConfigurationData(this.instanceID, "explicit");
 178             fail("This test should fail.");
 179         } catch (final RestconfDocumentedException e) {
 180             assertEquals("getErrorTag", ErrorTag.RESOURCE_DENIED_TRANSPORT, e.getErrors().get(0).getErrorTag());
 181             assertEquals("getErrorType", ErrorType.TRANSPORT, e.getErrors().get(0).getErrorType());
 182             assertEquals("getErrorMessage", "Master is down. Please try again.",
 183                     e.getErrors().get(0).getErrorMessage());
 184         }
 185     }
 186
 187     @Test
 188     public void testInvokeRpc() throws Exception {
 189         final DOMRpcResult expResult = mock(DOMRpcResult.class);
 190         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(expResult);
 191         when(this.mockRpcService.invokeRpc(this.type, this.dummyNode)).thenReturn(future);
 192
 193         final CheckedFuture<DOMRpcResult, DOMRpcException> actualFuture = this.brokerFacade
 194                 .invokeRpc(this.type, this.dummyNode);
 195         assertNotNull("Future is null", actualFuture);
 196         final DOMRpcResult actualResult = actualFuture.get();
 197         assertSame("invokeRpc", expResult, actualResult);
 198     }
 199
 200     @Test
 201     public void testCommitConfigurationDataPut() throws Exception {
 202         @SuppressWarnings("unchecked")
 203         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = mock(CheckedFuture.class);
 204         when(this.rwTransaction.submit()).thenReturn(expFuture);
 205
 206         final Optional<NormalizedNode<?, ?>> optionalMock = mock(Optional.class);
 207         when(optionalMock.get()).thenReturn(null);
 208
 209         final CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readFuture = Futures
 210                 .immediateCheckedFuture(optionalMock);
 211         when(this.rwTransaction.read(LogicalDatastoreType.CONFIGURATION, this.instanceID)).thenReturn(readFuture);
 212
 213         final PutResult result = this.brokerFacade.commitConfigurationDataPut(mock(SchemaContext.class),
 214                 this.instanceID, this.dummyNode, null, null);
 215
 216         final Future<Void> actualFuture = result.getFutureOfPutData();
 217
 218         assertSame("commitConfigurationDataPut", expFuture, actualFuture);
 219
 220         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 221         inOrder.verify(this.domDataBroker).newReadWriteTransaction();
 222         inOrder.verify(this.rwTransaction).put(LogicalDatastoreType.CONFIGURATION, this.instanceID, this.dummyNode);
 223         inOrder.verify(this.rwTransaction).submit();
 224     }
 225
 226     @Test
 227     public void testCommitConfigurationDataPost() {
 228         @SuppressWarnings("unchecked")
 229         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = mock(CheckedFuture.class);
 230
 231         when(this.rwTransaction.exists(LogicalDatastoreType.CONFIGURATION, this.instanceID))
 232                 .thenReturn(wrapExistence(false));
 233
 234         when(this.rwTransaction.submit()).thenReturn(expFuture);
 235
 236         final CheckedFuture<Void, TransactionCommitFailedException> actualFuture = this.brokerFacade
 237                 .commitConfigurationDataPost(mock(SchemaContext.class), this.instanceID, this.dummyNode, null, null);
 238
 239         assertSame("commitConfigurationDataPost", expFuture, actualFuture);
 240
 241         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 242         inOrder.verify(this.domDataBroker).newReadWriteTransaction();
 243         inOrder.verify(this.rwTransaction).exists(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 244         inOrder.verify(this.rwTransaction).put(LogicalDatastoreType.CONFIGURATION, this.instanceID, this.dummyNode);
 245         inOrder.verify(this.rwTransaction).submit();
 246     }
 247
 248     @Test(expected = RestconfDocumentedException.class)
 249     public void testCommitConfigurationDataPostAlreadyExists() {
 250         final CheckedFuture<Boolean, ReadFailedException> successFuture = Futures.immediateCheckedFuture(Boolean.TRUE);
 251         when(this.rwTransaction.exists(eq(LogicalDatastoreType.CONFIGURATION), any(YangInstanceIdentifier.class)))
 252                 .thenReturn(successFuture);
 253         try {
 254             // Schema context is only necessary for ensuring parent structure
 255             this.brokerFacade.commitConfigurationDataPost((SchemaContext) null, this.instanceID, this.dummyNode, null,
 256                     null);
 257         } catch (final RestconfDocumentedException e) {
 258             assertEquals("getErrorTag", RestconfError.ErrorTag.DATA_EXISTS, e.getErrors().get(0).getErrorTag());
 259             throw e;
 260         }
 261     }
 262
 263     /**
 264      * Positive test of delete operation when data to delete exits. Returned value and order of steps are validated.
 265      */
 266     @Test
 267     public void testCommitConfigurationDataDelete() throws Exception {
 268         // assume that data to delete exists
 269         prepareDataForDelete(true);
 270
 271         // expected result
 272         @SuppressWarnings("unchecked")
 273         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = mock(CheckedFuture.class);
 274         when(this.rwTransaction.submit()).thenReturn(expFuture);
 275
 276         // test
 277         final CheckedFuture<Void, TransactionCommitFailedException> actualFuture = this.brokerFacade
 278                 .commitConfigurationDataDelete(this.instanceID);
 279
 280         // verify result and interactions
 281         assertSame("commitConfigurationDataDelete", expFuture, actualFuture);
 282
 283         // check exists, delete, submit
 284         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 285         inOrder.verify(this.rwTransaction).exists(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 286         inOrder.verify(this.rwTransaction).delete(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 287         inOrder.verify(this.rwTransaction).submit();
 288     }
 289
 290     /**
 291      * Negative test of delete operation when data to delete does not exist. Error 404 should be returned.
 292      */
 293     @Test
 294     public void testCommitConfigurationDataDeleteNoData() throws Exception {
 295         // assume that data to delete does not exist
 296         prepareDataForDelete(false);
 297
 298         // try to delete and expect 404 error
 299         try {
 300             this.brokerFacade.commitConfigurationDataDelete(this.instanceID);
 301             fail("Delete operation should fail due to missing data");
 302         } catch (final RestconfDocumentedException e) {
 303             assertEquals(ErrorType.PROTOCOL, e.getErrors().get(0).getErrorType());
 304             assertEquals(ErrorTag.DATA_MISSING, e.getErrors().get(0).getErrorTag());
 305             assertEquals(404, e.getErrors().get(0).getErrorTag().getStatusCode());
 306         }
 307     }
 308
 309     /**
 310      * Prepare conditions to test delete operation. Data to delete exists or does not exist according to value of
 311      * {@code assumeDataExists} parameter.
 312      * @param assumeDataExists boolean to assume if data exists
 313      */
 314     private void prepareDataForDelete(final boolean assumeDataExists) {
 315         when(this.rwTransaction.exists(LogicalDatastoreType.CONFIGURATION, this.instanceID))
 316                 .thenReturn(Futures.immediateCheckedFuture(new Boolean(assumeDataExists)));
 317     }
 318
 319     @Test
 320     public void testRegisterToListenDataChanges() {
 321         final ListenerAdapter listener = Notificator.createListener(this.instanceID, "stream",
 322                 NotificationOutputType.XML, controllerContext);
 323
 324         @SuppressWarnings("unchecked")
 325         final ListenerRegistration<ListenerAdapter> mockRegistration = mock(ListenerRegistration.class);
 326
 327         DOMDataTreeChangeService changeService = (DOMDataTreeChangeService)
 328                 this.domDataBroker.getSupportedExtensions().get(DOMDataTreeChangeService.class);
 329         DOMDataTreeIdentifier loc = new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 330         when(changeService.registerDataTreeChangeListener(eq(loc), eq(listener))).thenReturn(mockRegistration);
 331
 332         this.brokerFacade.registerToListenDataChanges(
 333                 LogicalDatastoreType.CONFIGURATION, DataChangeScope.BASE, listener);
 334
 335         verify(changeService).registerDataTreeChangeListener(loc, listener);
 336
 337         assertEquals("isListening", true, listener.isListening());
 338
 339         this.brokerFacade.registerToListenDataChanges(
 340                 LogicalDatastoreType.CONFIGURATION, DataChangeScope.BASE, listener);
 341         verifyNoMoreInteractions(changeService);
 342     }
 343
 344     /**
 345      * Create, register, close and remove notification listener.
 346      */
 347     @Test
 348     public void testRegisterToListenNotificationChanges() throws Exception {
 349         // create test notification listener
 350         final String identifier = "create-notification-stream/toaster:toastDone";
 351         final SchemaPath path = SchemaPath.create(true,
 352                 QName.create("http://netconfcentral.org/ns/toaster", "2009-11-20", "toastDone"));
 353         Notificator.createNotificationListener(Lists.newArrayList(path), identifier, "XML", controllerContext);
 354         final NotificationListenerAdapter listener = Notificator.getNotificationListenerFor(identifier).get(0);
 355
 356         // mock registration
 357         final ListenerRegistration<NotificationListenerAdapter> registration = mock(ListenerRegistration.class);
 358         when(this.domNotification.registerNotificationListener(listener, listener.getSchemaPath()))
 359                 .thenReturn(registration);
 360
 361         // test to register listener for the first time
 362         this.brokerFacade.registerToListenNotification(listener);
 363         assertEquals("Registration was not successful", true, listener.isListening());
 364
 365         // try to register for the second time
 366         this.brokerFacade.registerToListenNotification(listener);
 367         assertEquals("Registration was not successful", true, listener.isListening());
 368
 369         // registrations should be invoked only once
 370         verify(this.domNotification, times(1)).registerNotificationListener(listener, listener.getSchemaPath());
 371
 372         final DOMTransactionChain transactionChain = mock(DOMTransactionChain.class);
 373         final DOMDataWriteTransaction wTx = mock(DOMDataWriteTransaction.class);
 374         final CheckedFuture<Void, TransactionCommitFailedException> checked = Futures.immediateCheckedFuture(null);
 375         when(wTx.submit()).thenReturn(checked);
 376         when(transactionChain.newWriteOnlyTransaction()).thenReturn(wTx);
 377         // close and remove test notification listener
 378         listener.close();
 379         Notificator.removeListenerIfNoSubscriberExists(listener);
 380     }
 381
 382     /**
 383      * Test Patch method on the server with no data.
 384      */
 385     @Test
 386     @SuppressWarnings("unchecked")
 387     public void testPatchConfigurationDataWithinTransactionServer() throws Exception {
 388         final PatchContext patchContext = mock(PatchContext.class);
 389         final InstanceIdentifierContext identifierContext = mock(InstanceIdentifierContext.class);
 390         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = Futures.immediateCheckedFuture(null);
 391
 392         when(patchContext.getData()).thenReturn(Lists.newArrayList());
 393         when(patchContext.getInstanceIdentifierContext()).thenReturn(identifierContext);
 394
 395         // no mount point
 396         when(identifierContext.getMountPoint()).thenReturn(null);
 397
 398         when(this.rwTransaction.submit()).thenReturn(expFuture);
 399
 400         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 401
 402         // assert success
 403         assertTrue("Patch operation should be successful on server", status.isOk());
 404     }
 405
 406     /**
 407      * Test Patch method on mounted device with no data.
 408      */
 409     @Test
 410     @SuppressWarnings("unchecked")
 411     public void testPatchConfigurationDataWithinTransactionMount() throws Exception {
 412         final PatchContext patchContext = mock(PatchContext.class);
 413         final InstanceIdentifierContext identifierContext = mock(InstanceIdentifierContext.class);
 414         final DOMMountPoint mountPoint = mock(DOMMountPoint.class);
 415         final DOMDataBroker mountDataBroker = mock(DOMDataBroker.class);
 416         final DOMDataReadWriteTransaction transaction = mock(DOMDataReadWriteTransaction.class);
 417         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = Futures.immediateCheckedFuture(null);
 418
 419         when(patchContext.getData()).thenReturn(Lists.newArrayList());
 420         when(patchContext.getInstanceIdentifierContext()).thenReturn(identifierContext);
 421
 422         // return mount point with broker
 423         when(identifierContext.getMountPoint()).thenReturn(mountPoint);
 424         when(mountPoint.getService(DOMDataBroker.class)).thenReturn(Optional.of(mountDataBroker));
 425         when(mountDataBroker.newReadWriteTransaction()).thenReturn(transaction);
 426         when(transaction.submit()).thenReturn(expFuture);
 427
 428         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 429
 430         // assert success
 431         assertTrue("Patch operation should be successful on mounted device", status.isOk());
 432     }
 433
 434     /**
 435      * Negative test for Patch operation when mounted device does not support {@link DOMDataBroker service.}
 436      * Patch operation should fail with global error.
 437      */
 438     @Test
 439     @SuppressWarnings("unchecked")
 440     public void testPatchConfigurationDataWithinTransactionMountFail() throws Exception {
 441         final PatchContext patchContext = mock(PatchContext.class);
 442         final InstanceIdentifierContext identifierContext = mock(InstanceIdentifierContext.class);
 443         final DOMMountPoint mountPoint = mock(DOMMountPoint.class);
 444         final DOMDataBroker mountDataBroker = mock(DOMDataBroker.class);
 445         final DOMDataReadWriteTransaction transaction = mock(DOMDataReadWriteTransaction.class);
 446         final CheckedFuture<Void, TransactionCommitFailedException> expFuture = Futures.immediateCheckedFuture(null);
 447
 448         when(patchContext.getData()).thenReturn(Lists.newArrayList());
 449         when(patchContext.getInstanceIdentifierContext()).thenReturn(identifierContext);
 450         when(identifierContext.getMountPoint()).thenReturn(mountPoint);
 451
 452         // missing broker on mounted device
 453         when(mountPoint.getService(DOMDataBroker.class)).thenReturn(Optional.absent());
 454
 455         when(mountDataBroker.newReadWriteTransaction()).thenReturn(transaction);
 456         when(transaction.submit()).thenReturn(expFuture);
 457
 458         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 459
 460         // assert not successful operation with error
 461         assertNotNull(status.getGlobalErrors());
 462         assertEquals(1, status.getGlobalErrors().size());
 463         assertEquals(ErrorType.APPLICATION, status.getGlobalErrors().get(0).getErrorType());
 464         assertEquals(ErrorTag.OPERATION_FAILED, status.getGlobalErrors().get(0).getErrorTag());
 465
 466         assertFalse("Patch operation should fail on mounted device without Broker", status.isOk());
 467     }
 468 }