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 package org.opendaylight.controller.sal.restconf.impl.test;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertSame;
  14 import static org.junit.Assert.assertThrows;
  15 import static org.junit.Assert.assertTrue;
  16 import static org.mockito.ArgumentMatchers.any;
  17 import static org.mockito.ArgumentMatchers.eq;
  18 import static org.mockito.Mockito.doReturn;
  19 import static org.mockito.Mockito.inOrder;
  20 import static org.mockito.Mockito.mock;
  21 import static org.mockito.Mockito.times;
  22 import static org.mockito.Mockito.verify;
  23 import static org.mockito.Mockito.verifyNoMoreInteractions;
  24 import static org.mockito.Mockito.when;
  25 import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateBooleanFluentFuture;
  26 import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateFailedFluentFuture;
  27 import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateFluentFuture;
  28 import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateTrueFluentFuture;
  29
  30 import com.google.common.collect.ImmutableClassToInstanceMap;
  31 import com.google.common.collect.ImmutableList;
  32 import com.google.common.collect.Lists;
  33 import com.google.common.util.concurrent.FluentFuture;
  34 import com.google.common.util.concurrent.ListenableFuture;
  35 import java.util.ArrayList;
  36 import java.util.List;
  37 import java.util.Optional;
  38 import org.junit.Before;
  39 import org.junit.Test;
  40 import org.junit.runner.RunWith;
  41 import org.mockito.InOrder;
  42 import org.mockito.Mock;
  43 import org.mockito.Mockito;
  44 import org.mockito.junit.MockitoJUnitRunner;
  45 import org.opendaylight.controller.md.sal.rest.common.TestRestconfUtils;
  46 import org.opendaylight.mdsal.common.api.CommitInfo;
  47 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  48 import org.opendaylight.mdsal.common.api.ReadFailedException;
  49 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  50 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
  51 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  52 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  53 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  54 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  55 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  56 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  57 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  58 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  59 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  60 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
  61 import org.opendaylight.netconf.sal.restconf.impl.BrokerFacade;
  62 import org.opendaylight.netconf.sal.restconf.impl.ControllerContext;
  63 import org.opendaylight.netconf.sal.restconf.impl.PutResult;
  64 import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
  65 import org.opendaylight.netconf.sal.streams.listeners.NotificationListenerAdapter;
  66 import org.opendaylight.netconf.sal.streams.listeners.Notificator;
  67 import org.opendaylight.restconf.common.ErrorTags;
  68 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  69 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  70 import org.opendaylight.restconf.common.errors.RestconfError;
  71 import org.opendaylight.restconf.common.patch.PatchContext;
  72 import org.opendaylight.restconf.common.patch.PatchStatusContext;
  73 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.CreateDataChangeEventSubscriptionInput1.Scope;
  74 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
  75 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  76 import org.opendaylight.yangtools.yang.common.ErrorTag;
  77 import org.opendaylight.yangtools.yang.common.ErrorType;
  78 import org.opendaylight.yangtools.yang.common.QName;
  79 import org.opendaylight.yangtools.yang.common.RpcError;
  80 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  81 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  82 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  83 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  84 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  85 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  86 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  87 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
  88
  89 /**
  90  * Unit tests for BrokerFacade.
  91  *
  92  * @author Thomas Pantelis
  93  */
  94 @RunWith(MockitoJUnitRunner.StrictStubs.class)
  95 public class BrokerFacadeTest {
  96
  97     @Mock
  98     private DOMDataBroker domDataBroker;
  99     @Mock
 100     private DOMNotificationService domNotification;
 101     @Mock
 102     private DOMRpcService mockRpcService;
 103     @Mock
 104     private DOMMountPoint mockMountInstance;
 105     @Mock
 106     private DOMDataTreeReadTransaction readTransaction;
 107     @Mock
 108     private DOMDataTreeWriteTransaction writeTransaction;
 109     @Mock
 110     private DOMDataTreeReadWriteTransaction rwTransaction;
 111
 112     private BrokerFacade brokerFacade;
 113     private final NormalizedNode dummyNode = createDummyNode("test:module", "2014-01-09", "interfaces");
 114     private final FluentFuture<Optional<NormalizedNode>> dummyNodeInFuture = wrapDummyNode(this.dummyNode);
 115     private final QName qname = TestUtils.buildQName("interfaces","test:module", "2014-01-09");
 116     private final YangInstanceIdentifier instanceID = YangInstanceIdentifier.builder().node(this.qname).build();
 117     private ControllerContext controllerContext;
 118
 119     @Before
 120     public void setUp() throws Exception {
 121         controllerContext = TestRestconfUtils.newControllerContext(
 122                 TestUtils.loadSchemaContext("/full-versions/test-module", "/modules"));
 123
 124         brokerFacade = BrokerFacade.newInstance(mockRpcService, domDataBroker, domNotification, controllerContext);
 125
 126         when(this.domDataBroker.newReadOnlyTransaction()).thenReturn(this.readTransaction);
 127         when(this.domDataBroker.newReadWriteTransaction()).thenReturn(this.rwTransaction);
 128         when(this.domDataBroker.getExtensions()).thenReturn(ImmutableClassToInstanceMap.of(
 129             DOMDataTreeChangeService.class, Mockito.mock(DOMDataTreeChangeService.class)));
 130     }
 131
 132     private static FluentFuture<Optional<NormalizedNode>> wrapDummyNode(final NormalizedNode dummyNode) {
 133         return immediateFluentFuture(Optional.of(dummyNode));
 134     }
 135
 136     private static FluentFuture<Boolean> wrapExistence(final boolean exists) {
 137         return immediateBooleanFluentFuture(exists);
 138     }
 139
 140     /**
 141      * Value of this node shouldn't be important for testing purposes.
 142      */
 143     private static NormalizedNode createDummyNode(final String namespace, final String date, final String localName) {
 144         return Builders.containerBuilder()
 145                 .withNodeIdentifier(new NodeIdentifier(QName.create(namespace, date, localName)))
 146                 .build();
 147     }
 148
 149     @Test
 150     public void testReadConfigurationData() {
 151         when(this.readTransaction.read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class))).thenReturn(
 152                 this.dummyNodeInFuture);
 153
 154         final NormalizedNode actualNode = this.brokerFacade.readConfigurationData(this.instanceID);
 155
 156         assertSame("readConfigurationData", this.dummyNode, actualNode);
 157     }
 158
 159     @Test
 160     public void testReadOperationalData() {
 161         when(this.readTransaction.read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class))).thenReturn(
 162                 this.dummyNodeInFuture);
 163
 164         final NormalizedNode actualNode = this.brokerFacade.readOperationalData(this.instanceID);
 165
 166         assertSame("readOperationalData", this.dummyNode, actualNode);
 167     }
 168
 169     @Test
 170     public void test503() throws Exception {
 171         final RpcError error = RpcResultBuilder.newError(
 172                 RpcError.ErrorType.TRANSPORT,
 173                 ErrorTag.RESOURCE_DENIED.elementBody(),
 174                 "Master is down. Please try again.");
 175         doReturn(immediateFailedFluentFuture(new ReadFailedException("Read from transaction failed", error)))
 176                 .when(readTransaction).read(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class));
 177
 178         final RestconfDocumentedException ex = assertThrows(RestconfDocumentedException.class,
 179             () -> brokerFacade.readConfigurationData(this.instanceID, "explicit"));
 180         final List<RestconfError> errors = ex.getErrors();
 181         assertEquals(1, errors.size());
 182         assertEquals("getErrorTag", ErrorTags.RESOURCE_DENIED_TRANSPORT, errors.get(0).getErrorTag());
 183         assertEquals("getErrorType", ErrorType.TRANSPORT,errors.get(0).getErrorType());
 184         assertEquals("getErrorMessage", "Master is down. Please try again.", errors.get(0).getErrorMessage());
 185     }
 186
 187     @Test
 188     public void testInvokeRpc() throws Exception {
 189         final DOMRpcResult expResult = mock(DOMRpcResult.class);
 190         doReturn(immediateFluentFuture(expResult)).when(this.mockRpcService).invokeRpc(this.qname, this.dummyNode);
 191
 192         final ListenableFuture<? extends DOMRpcResult> actualFuture = this.brokerFacade.invokeRpc(this.qname,
 193             this.dummyNode);
 194         assertNotNull("Future is null", actualFuture);
 195         final DOMRpcResult actualResult = actualFuture.get();
 196         assertSame("invokeRpc", expResult, actualResult);
 197     }
 198
 199     @Test
 200     public void testCommitConfigurationDataPut() throws Exception {
 201         doReturn(CommitInfo.emptyFluentFuture()).when(this.rwTransaction).commit();
 202
 203         doReturn(immediateFluentFuture(Optional.of(mock(NormalizedNode.class)))).when(this.rwTransaction)
 204         .read(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 205
 206         final PutResult result = this.brokerFacade.commitConfigurationDataPut(mock(EffectiveModelContext.class),
 207                 this.instanceID, this.dummyNode, null, null);
 208
 209         assertSame("commitConfigurationDataPut", CommitInfo.emptyFluentFuture(), result.getFutureOfPutData());
 210
 211         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 212         inOrder.verify(this.domDataBroker).newReadWriteTransaction();
 213         inOrder.verify(this.rwTransaction).put(LogicalDatastoreType.CONFIGURATION, this.instanceID, this.dummyNode);
 214         inOrder.verify(this.rwTransaction).commit();
 215     }
 216
 217     @Test
 218     public void testCommitConfigurationDataPost() {
 219         when(this.rwTransaction.exists(LogicalDatastoreType.CONFIGURATION, this.instanceID))
 220                 .thenReturn(wrapExistence(false));
 221
 222         doReturn(CommitInfo.emptyFluentFuture()).when(this.rwTransaction).commit();
 223
 224         final FluentFuture<? extends CommitInfo> actualFuture = this.brokerFacade
 225                 .commitConfigurationDataPost(mock(EffectiveModelContext.class), this.instanceID, this.dummyNode, null,
 226                         null);
 227
 228         assertSame("commitConfigurationDataPost", CommitInfo.emptyFluentFuture(), actualFuture);
 229
 230         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 231         inOrder.verify(this.domDataBroker).newReadWriteTransaction();
 232         inOrder.verify(this.rwTransaction).exists(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 233         inOrder.verify(this.rwTransaction).put(LogicalDatastoreType.CONFIGURATION, this.instanceID, this.dummyNode);
 234         inOrder.verify(this.rwTransaction).commit();
 235     }
 236
 237     @Test(expected = RestconfDocumentedException.class)
 238     public void testCommitConfigurationDataPostAlreadyExists() {
 239         when(this.rwTransaction.exists(eq(LogicalDatastoreType.CONFIGURATION), any(YangInstanceIdentifier.class)))
 240                 .thenReturn(immediateTrueFluentFuture());
 241         try {
 242             // Schema context is only necessary for ensuring parent structure
 243             this.brokerFacade.commitConfigurationDataPost((EffectiveModelContext) null, this.instanceID, this.dummyNode,
 244                     null, null);
 245         } catch (final RestconfDocumentedException e) {
 246             assertEquals("getErrorTag", ErrorTag.DATA_EXISTS, e.getErrors().get(0).getErrorTag());
 247             throw e;
 248         }
 249     }
 250
 251     /**
 252      * Positive test of delete operation when data to delete exits. Returned value and order of steps are validated.
 253      */
 254     @Test
 255     public void testCommitConfigurationDataDelete() throws Exception {
 256         // assume that data to delete exists
 257         prepareDataForDelete(true);
 258
 259         // expected result
 260         doReturn(CommitInfo.emptyFluentFuture()).when(this.rwTransaction).commit();
 261
 262         // test
 263         final FluentFuture<? extends CommitInfo> actualFuture = this.brokerFacade
 264                 .commitConfigurationDataDelete(this.instanceID);
 265
 266         // verify result and interactions
 267         assertSame("commitConfigurationDataDelete", CommitInfo.emptyFluentFuture(), actualFuture);
 268
 269         // check exists, delete, submit
 270         final InOrder inOrder = inOrder(this.domDataBroker, this.rwTransaction);
 271         inOrder.verify(this.rwTransaction).exists(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 272         inOrder.verify(this.rwTransaction).delete(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 273         inOrder.verify(this.rwTransaction).commit();
 274     }
 275
 276     /**
 277      * Negative test of delete operation when data to delete does not exist. Error DATA_MISSING should be returned.
 278      */
 279     @Test
 280     public void testCommitConfigurationDataDeleteNoData() throws Exception {
 281         // assume that data to delete does not exist
 282         prepareDataForDelete(false);
 283
 284         // try to delete and expect DATA_MISSING error
 285         final RestconfDocumentedException ex = assertThrows(RestconfDocumentedException.class,
 286             () -> brokerFacade.commitConfigurationDataDelete(this.instanceID));
 287         final List<RestconfError> errors = ex.getErrors();
 288         assertEquals(1, errors.size());
 289         assertEquals(ErrorType.PROTOCOL, errors.get(0).getErrorType());
 290         assertEquals(ErrorTag.DATA_MISSING, errors.get(0).getErrorTag());
 291     }
 292
 293     /**
 294      * Prepare conditions to test delete operation. Data to delete exists or does not exist according to value of
 295      * {@code assumeDataExists} parameter.
 296      * @param assumeDataExists boolean to assume if data exists
 297      */
 298     private void prepareDataForDelete(final boolean assumeDataExists) {
 299         when(this.rwTransaction.exists(LogicalDatastoreType.CONFIGURATION, this.instanceID))
 300                 .thenReturn(immediateBooleanFluentFuture(assumeDataExists));
 301     }
 302
 303     @Test
 304     public void testRegisterToListenDataChanges() {
 305         final ListenerAdapter listener = Notificator.createListener(this.instanceID, "stream",
 306                 NotificationOutputType.XML, controllerContext);
 307
 308         @SuppressWarnings("unchecked")
 309         final ListenerRegistration<ListenerAdapter> mockRegistration = mock(ListenerRegistration.class);
 310
 311         DOMDataTreeChangeService changeService = this.domDataBroker.getExtensions()
 312                 .getInstance(DOMDataTreeChangeService.class);
 313         DOMDataTreeIdentifier loc = new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, this.instanceID);
 314         when(changeService.registerDataTreeChangeListener(eq(loc), eq(listener))).thenReturn(mockRegistration);
 315
 316         this.brokerFacade.registerToListenDataChanges(LogicalDatastoreType.CONFIGURATION, Scope.BASE, listener);
 317
 318         verify(changeService).registerDataTreeChangeListener(loc, listener);
 319
 320         assertEquals("isListening", true, listener.isListening());
 321
 322         this.brokerFacade.registerToListenDataChanges(LogicalDatastoreType.CONFIGURATION, Scope.BASE, listener);
 323         verifyNoMoreInteractions(changeService);
 324     }
 325
 326     /**
 327      * Create, register, close and remove notification listener.
 328      */
 329     @Test
 330     public void testRegisterToListenNotificationChanges() throws Exception {
 331         // create test notification listener
 332         final String identifier = "create-notification-stream/toaster:toastDone";
 333         final SchemaPath path = SchemaPath.create(true,
 334                 QName.create("http://netconfcentral.org/ns/toaster", "2009-11-20", "toastDone"));
 335         Notificator.createNotificationListener(Lists.newArrayList(path), identifier, "XML", controllerContext);
 336         final NotificationListenerAdapter listener = Notificator.getNotificationListenerFor(identifier).get(0);
 337
 338         // mock registration
 339         final ListenerRegistration<NotificationListenerAdapter> registration = mock(ListenerRegistration.class);
 340         when(this.domNotification.registerNotificationListener(listener,
 341             Absolute.of(ImmutableList.copyOf(listener.getSchemaPath().getPathFromRoot()))))
 342                 .thenReturn(registration);
 343
 344         // test to register listener for the first time
 345         this.brokerFacade.registerToListenNotification(listener);
 346         assertEquals("Registration was not successful", true, listener.isListening());
 347
 348         // try to register for the second time
 349         this.brokerFacade.registerToListenNotification(listener);
 350         assertEquals("Registration was not successful", true, listener.isListening());
 351
 352         // registrations should be invoked only once
 353         verify(this.domNotification, times(1)).registerNotificationListener(listener,
 354             Absolute.of(ImmutableList.copyOf(listener.getSchemaPath().getPathFromRoot())));
 355
 356         final DOMTransactionChain transactionChain = mock(DOMTransactionChain.class);
 357         final DOMDataTreeWriteTransaction wTx = mock(DOMDataTreeWriteTransaction.class);
 358         // close and remove test notification listener
 359         listener.close();
 360         Notificator.removeListenerIfNoSubscriberExists(listener);
 361     }
 362
 363     /**
 364      * Test Patch method on the server with no data.
 365      */
 366     @Test
 367     public void testPatchConfigurationDataWithinTransactionServer() throws Exception {
 368         final PatchContext patchContext = mock(PatchContext.class);
 369         final InstanceIdentifierContext<?> identifierContext = mock(InstanceIdentifierContext.class);
 370
 371         when(patchContext.getData()).thenReturn(new ArrayList<>());
 372         doReturn(identifierContext).when(patchContext).getInstanceIdentifierContext();
 373
 374         // no mount point
 375         when(identifierContext.getMountPoint()).thenReturn(null);
 376
 377         doReturn(CommitInfo.emptyFluentFuture()).when(this.rwTransaction).commit();
 378
 379         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 380
 381         // assert success
 382         assertTrue("Patch operation should be successful on server", status.isOk());
 383     }
 384
 385     /**
 386      * Test Patch method on mounted device with no data.
 387      */
 388     @Test
 389     public void testPatchConfigurationDataWithinTransactionMount() throws Exception {
 390         final PatchContext patchContext = mock(PatchContext.class);
 391         final InstanceIdentifierContext<?> identifierContext = mock(InstanceIdentifierContext.class);
 392         final DOMMountPoint mountPoint = mock(DOMMountPoint.class);
 393         final DOMDataBroker mountDataBroker = mock(DOMDataBroker.class);
 394         final DOMDataTreeReadWriteTransaction transaction = mock(DOMDataTreeReadWriteTransaction.class);
 395
 396         when(patchContext.getData()).thenReturn(new ArrayList<>());
 397         doReturn(identifierContext).when(patchContext).getInstanceIdentifierContext();
 398
 399         // return mount point with broker
 400         when(identifierContext.getMountPoint()).thenReturn(mountPoint);
 401         when(mountPoint.getService(DOMDataBroker.class)).thenReturn(Optional.of(mountDataBroker));
 402         when(mountPoint.getService(DOMSchemaService.class)).thenReturn(Optional.empty());
 403         when(mountDataBroker.newReadWriteTransaction()).thenReturn(transaction);
 404         doReturn(CommitInfo.emptyFluentFuture()).when(transaction).commit();
 405
 406         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 407
 408         // assert success
 409         assertTrue("Patch operation should be successful on mounted device", status.isOk());
 410     }
 411
 412     /**
 413      * Negative test for Patch operation when mounted device does not support {@link DOMDataBroker service.}
 414      * Patch operation should fail with global error.
 415      */
 416     @Test
 417     public void testPatchConfigurationDataWithinTransactionMountFail() throws Exception {
 418         final PatchContext patchContext = mock(PatchContext.class);
 419         final InstanceIdentifierContext<?> identifierContext = mock(InstanceIdentifierContext.class);
 420         final DOMMountPoint mountPoint = mock(DOMMountPoint.class);
 421         final DOMDataBroker mountDataBroker = mock(DOMDataBroker.class);
 422         final DOMDataTreeReadWriteTransaction transaction = mock(DOMDataTreeReadWriteTransaction.class);
 423
 424         doReturn(identifierContext).when(patchContext).getInstanceIdentifierContext();
 425         when(identifierContext.getMountPoint()).thenReturn(mountPoint);
 426
 427         // missing broker on mounted device
 428         when(mountPoint.getService(DOMDataBroker.class)).thenReturn(Optional.empty());
 429         when(mountPoint.getService(DOMSchemaService.class)).thenReturn(Optional.empty());
 430
 431
 432         final PatchStatusContext status = this.brokerFacade.patchConfigurationDataWithinTransaction(patchContext);
 433
 434         // assert not successful operation with error
 435         assertNotNull(status.getGlobalErrors());
 436         assertEquals(1, status.getGlobalErrors().size());
 437         assertEquals(ErrorType.APPLICATION, status.getGlobalErrors().get(0).getErrorType());
 438         assertEquals(ErrorTag.OPERATION_FAILED, status.getGlobalErrors().get(0).getErrorTag());
 439
 440         assertFalse("Patch operation should fail on mounted device without Broker", status.isOk());
 441     }
 442 }