opendaylight/md-sal/sal-rest-connector/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/InvokeRpcMethodTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  * Copyright (c) 2014 Brocade Communications Systems, Inc.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9 package org.opendaylight.controller.sal.restconf.impl.test;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertSame;
  14 import static org.junit.Assert.assertTrue;
  15 import static org.junit.Assert.fail;
  16 import static org.mockito.Matchers.any;
  17 import static org.mockito.Matchers.eq;
  18 import static org.mockito.Mockito.mock;
  19 import static org.mockito.Mockito.spy;
  20 import static org.mockito.Mockito.when;
  21
  22 import com.google.common.base.Optional;
  23 import com.google.common.util.concurrent.CheckedFuture;
  24 import com.google.common.util.concurrent.Futures;
  25 import com.google.common.util.concurrent.ListenableFuture;
  26 import java.io.FileNotFoundException;
  27 import java.net.URI;
  28 import java.net.URISyntaxException;
  29 import java.util.Arrays;
  30 import java.util.Collections;
  31 import java.util.HashSet;
  32 import java.util.List;
  33 import java.util.Set;
  34 import javax.ws.rs.core.MultivaluedHashMap;
  35 import javax.ws.rs.core.MultivaluedMap;
  36 import javax.ws.rs.core.UriInfo;
  37 import org.junit.Before;
  38 import org.junit.BeforeClass;
  39 import org.junit.Ignore;
  40 import org.junit.Test;
  41 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  42 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  43 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
  44 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  45 import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
  46 import org.opendaylight.controller.sal.core.api.RpcProvisionRegistry;
  47 import org.opendaylight.controller.sal.restconf.impl.BrokerFacade;
  48 import org.opendaylight.controller.sal.restconf.impl.ControllerContext;
  49 import org.opendaylight.controller.sal.restconf.impl.InstanceIdentifierContext;
  50 import org.opendaylight.controller.sal.restconf.impl.NormalizedNodeContext;
  51 import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
  52 import org.opendaylight.controller.sal.restconf.impl.RestconfError;
  53 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
  54 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
  55 import org.opendaylight.controller.sal.restconf.impl.RestconfImpl;
  56 import org.opendaylight.yangtools.yang.common.QName;
  57 import org.opendaylight.yangtools.yang.common.RpcError;
  58 import org.opendaylight.yangtools.yang.common.RpcResult;
  59 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  60 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  61 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  62 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  63 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  64 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  65 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  66 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
  67 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
  68 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  69 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  70 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  71 import org.opendaylight.yangtools.yang.model.api.Module;
  72 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
  73 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  74 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  75 import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
  76
  77 public class InvokeRpcMethodTest {
  78
  79     private RestconfImpl restconfImpl = null;
  80     private static ControllerContext controllerContext = null;
  81     private static UriInfo uriInfo;
  82
  83
  84     @BeforeClass
  85     public static void init() throws FileNotFoundException {
  86         final Set<Module> allModules = new HashSet<Module>(TestUtils.loadModulesFrom("/full-versions/yangs"));
  87         allModules.addAll(TestUtils.loadModulesFrom("/invoke-rpc"));
  88         assertNotNull(allModules);
  89         final Module module = TestUtils.resolveModule("invoke-rpc-module", allModules);
  90         assertNotNull(module);
  91         final SchemaContext schemaContext = TestUtils.loadSchemaContext(allModules);
  92         controllerContext = spy(ControllerContext.getInstance());
  93         controllerContext.setSchemas(schemaContext);
  94         uriInfo = mock(UriInfo.class);
  95         final MultivaluedMap<String, String> map = new MultivaluedHashMap<>();
  96         map.put("prettyPrint", Collections.singletonList("true"));
  97         when(uriInfo.getQueryParameters(any(Boolean.class))).thenReturn(map);
  98     }
  99
 100     @Before
 101     public void initMethod() {
 102         restconfImpl = RestconfImpl.getInstance();
 103         restconfImpl.setControllerContext(controllerContext);
 104     }
 105
 106     /**
 107      * Test method invokeRpc in RestconfImpl class tests if composite node as input parameter of method invokeRpc
 108      * (second argument) is wrapped to parent composite node which has QName equals to QName of rpc (resolved from
 109      * string - first argument).
 110      */
 111     @Test
 112     @Ignore
 113     public void invokeRpcMethodTest() {
 114         final ControllerContext contContext = controllerContext;
 115         try {
 116             contContext.findModuleNameByNamespace(new URI("invoke:rpc:module"));
 117         } catch (final URISyntaxException e) {
 118             assertTrue("Uri wasn't created sucessfuly", false);
 119         }
 120
 121         final BrokerFacade mockedBrokerFacade = mock(BrokerFacade.class);
 122
 123         final RestconfImpl restconf = RestconfImpl.getInstance();
 124         restconf.setBroker(mockedBrokerFacade);
 125         restconf.setControllerContext(contContext);
 126
 127         final NormalizedNodeContext payload = prepareDomPayload();
 128
 129         final NormalizedNodeContext rpcResponse = restconf.invokeRpc("invoke-rpc-module:rpc-test", payload, uriInfo);
 130         assertTrue(rpcResponse != null);
 131         assertTrue(rpcResponse.getData() == null);
 132
 133     }
 134
 135     private NormalizedNodeContext prepareDomPayload() {
 136         final SchemaContext schema = controllerContext.getGlobalSchema();
 137         final Module rpcModule = schema.findModuleByName("invoke-rpc-module", null);
 138         assertNotNull(rpcModule);
 139         final QName rpcQName = QName.create(rpcModule.getQNameModule(), "rpc-test");
 140         final QName rpcInputQName = QName.create(rpcModule.getQNameModule(),"input");
 141         final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
 142         ContainerSchemaNode rpcInputSchemaNode = null;
 143         for (final RpcDefinition rpc : setRpcs) {
 144             if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
 145                 rpcInputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcInputQName);
 146                 break;
 147             }
 148         }
 149         assertNotNull(rpcInputSchemaNode);
 150
 151         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> container = Builders.containerBuilder(rpcInputSchemaNode);
 152
 153         final QName contQName = QName.create(rpcModule.getQNameModule(), "cont");
 154         final DataSchemaNode contSchemaNode = rpcInputSchemaNode.getDataChildByName(contQName);
 155         assertTrue(contSchemaNode instanceof ContainerSchemaNode);
 156         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> contNode = Builders.containerBuilder((ContainerSchemaNode) contSchemaNode);
 157
 158         final QName lfQName = QName.create(rpcModule.getQNameModule(), "lf");
 159         final DataSchemaNode lfSchemaNode = ((ContainerSchemaNode) contSchemaNode).getDataChildByName(lfQName);
 160         assertTrue(lfSchemaNode instanceof LeafSchemaNode);
 161         final LeafNode<Object> lfNode = (Builders.leafBuilder((LeafSchemaNode) lfSchemaNode).withValue("any value")).build();
 162         contNode.withChild(lfNode);
 163         container.withChild(contNode.build());
 164
 165         return new NormalizedNodeContext(new InstanceIdentifierContext(null, rpcInputSchemaNode, null, schema), container.build());
 166     }
 167
 168     @Test
 169     public void testInvokeRpcWithNoPayloadRpc_FailNoErrors() {
 170         final DOMRpcException exception = new DOMRpcImplementationNotAvailableException("testExeption");
 171         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateFailedCheckedFuture(exception);
 172
 173         final BrokerFacade brokerFacade = mock(BrokerFacade.class);
 174
 175         final QName qname = QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast");
 176         final SchemaPath type = SchemaPath.create(true, qname);
 177
 178         when(brokerFacade.invokeRpc(eq(type), any(NormalizedNode.class))).thenReturn(future);
 179
 180         restconfImpl.setBroker(brokerFacade);
 181
 182         try {
 183             restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
 184             fail("Expected an exception to be thrown.");
 185         } catch (final RestconfDocumentedException e) {
 186             verifyRestconfDocumentedException(e, 0, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED,
 187                     Optional.<String> absent(), Optional.<String> absent());
 188         }
 189     }
 190
 191     void verifyRestconfDocumentedException(final RestconfDocumentedException e, final int index,
 192             final ErrorType expErrorType, final ErrorTag expErrorTag, final Optional<String> expErrorMsg,
 193             final Optional<String> expAppTag) {
 194         RestconfError actual = null;
 195         try {
 196             actual = e.getErrors().get(index);
 197         } catch (final ArrayIndexOutOfBoundsException ex) {
 198             fail("RestconfError not found at index " + index);
 199         }
 200
 201         assertEquals("getErrorType", expErrorType, actual.getErrorType());
 202         assertEquals("getErrorTag", expErrorTag, actual.getErrorTag());
 203         assertNotNull("getErrorMessage is null", actual.getErrorMessage());
 204
 205         if (expErrorMsg.isPresent()) {
 206             assertEquals("getErrorMessage", expErrorMsg.get(), actual.getErrorMessage());
 207         }
 208
 209         if (expAppTag.isPresent()) {
 210             assertEquals("getErrorAppTag", expAppTag.get(), actual.getErrorAppTag());
 211         }
 212     }
 213
 214     @Test
 215     public void testInvokeRpcWithNoPayloadRpc_FailWithRpcError() {
 216         final List<RpcError> rpcErrors = Arrays.asList(
 217             RpcResultBuilder.newError( RpcError.ErrorType.TRANSPORT, "bogusTag", "foo" ),
 218             RpcResultBuilder.newWarning( RpcError.ErrorType.RPC, "in-use", "bar",
 219                                          "app-tag", null, null ) );
 220
 221         final DOMRpcResult resutl = new DefaultDOMRpcResult(rpcErrors);
 222         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(resutl);
 223
 224         final SchemaPath path = SchemaPath.create(true,
 225                 QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast"));
 226
 227         final BrokerFacade brokerFacade = mock(BrokerFacade.class);
 228         when(brokerFacade.invokeRpc(eq(path), any(NormalizedNode.class))).thenReturn(future);
 229
 230         restconfImpl.setBroker(brokerFacade);
 231
 232         try {
 233             restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
 234             fail("Expected an exception to be thrown.");
 235         } catch (final RestconfDocumentedException e) {
 236             verifyRestconfDocumentedException(e, 0, ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED, Optional.of("foo"),
 237                     Optional.<String> absent());
 238             verifyRestconfDocumentedException(e, 1, ErrorType.RPC, ErrorTag.IN_USE, Optional.of("bar"),
 239                     Optional.of("app-tag"));
 240         }
 241     }
 242
 243     @Test
 244     public void testInvokeRpcWithNoPayload_Success() {
 245         final NormalizedNode<?, ?> resultObj = null;
 246         final DOMRpcResult expResult = new DefaultDOMRpcResult(resultObj);
 247         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(expResult);
 248
 249         final QName qname = QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast");
 250         final SchemaPath path = SchemaPath.create(true, qname);
 251
 252         final BrokerFacade brokerFacade = mock(BrokerFacade.class);
 253         when(brokerFacade.invokeRpc(eq(path), any (NormalizedNode.class))).thenReturn(future);
 254
 255         restconfImpl.setBroker(brokerFacade);
 256
 257         final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
 258         assertNotNull(output);
 259         assertEquals(null, output.getData());
 260         // additional validation in the fact that the restconfImpl does not
 261         // throw an exception.
 262     }
 263
 264     @Test
 265     public void testInvokeRpcMethodExpectingNoPayloadButProvidePayload() {
 266         try {
 267             restconfImpl.invokeRpc("toaster:cancel-toast", " a payload ", uriInfo);
 268             fail("Expected an exception");
 269         } catch (final RestconfDocumentedException e) {
 270             verifyRestconfDocumentedException(e, 0, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
 271                     Optional.<String> absent(), Optional.<String> absent());
 272         }
 273     }
 274
 275     @Test
 276     public void testInvokeRpcMethodWithBadMethodName() {
 277         try {
 278             restconfImpl.invokeRpc("toaster:bad-method", "", uriInfo);
 279             fail("Expected an exception");
 280         } catch (final RestconfDocumentedException e) {
 281             verifyRestconfDocumentedException(e, 0, ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT,
 282                     Optional.<String> absent(), Optional.<String> absent());
 283         }
 284     }
 285
 286     @Test
 287     @Ignore
 288     public void testInvokeRpcMethodWithInput() {
 289         final DOMRpcResult expResult = mock(DOMRpcResult.class);
 290         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(expResult);
 291         final SchemaPath path = SchemaPath.create(true,
 292                 QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)make-toast"));
 293
 294         final SchemaContext schemaContext = controllerContext.getGlobalSchema();
 295         final Module rpcModule = schemaContext.findModuleByName("toaster", null);
 296         assertNotNull(rpcModule);
 297         final QName rpcQName = QName.create(rpcModule.getQNameModule(), "make-toast");
 298         final QName rpcInputQName = QName.create(rpcModule.getQNameModule(),"input");
 299
 300         final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
 301         RpcDefinition rpcDef = null;
 302         ContainerSchemaNode rpcInputSchemaNode = null;
 303
 304         for (final RpcDefinition rpc : setRpcs) {
 305             if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
 306                 rpcInputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcInputQName);
 307                 rpcDef = rpc;
 308                 break;
 309             }
 310         }
 311
 312         assertNotNull(rpcDef);
 313         assertNotNull(rpcInputSchemaNode);
 314         assertTrue(rpcInputSchemaNode instanceof ContainerSchemaNode);
 315         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder =
 316                 Builders.containerBuilder(rpcInputSchemaNode);
 317
 318         final NormalizedNodeContext payload = new NormalizedNodeContext(new InstanceIdentifierContext(null, rpcInputSchemaNode,
 319                 null, schemaContext), containerBuilder.build());
 320
 321         final BrokerFacade brokerFacade = mock(BrokerFacade.class);
 322         when(brokerFacade.invokeRpc(eq(path), any(NormalizedNode.class))).thenReturn(future);
 323         restconfImpl.setBroker(brokerFacade);
 324
 325         final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:make-toast", payload, uriInfo);
 326         assertNotNull(output);
 327         assertEquals(null, output.getData());
 328         // additional validation in the fact that the restconfImpl does not
 329         // throw an exception.
 330     }
 331
 332     @Test
 333     public void testThrowExceptionWhenSlashInModuleName() {
 334         try {
 335             restconfImpl.invokeRpc("toaster/slash", "", uriInfo);
 336             fail("Expected an exception.");
 337         } catch (final RestconfDocumentedException e) {
 338             verifyRestconfDocumentedException(e, 0, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
 339                     Optional.<String> absent(), Optional.<String> absent());
 340         }
 341     }
 342
 343     @Test
 344     public void testInvokeRpcWithNoPayloadWithOutput_Success() {
 345         final SchemaContext schema = controllerContext.getGlobalSchema();
 346         final Module rpcModule = schema.findModuleByName("toaster", null);
 347         assertNotNull(rpcModule);
 348         final QName rpcQName = QName.create(rpcModule.getQNameModule(), "testOutput");
 349         final QName rpcOutputQName = QName.create(rpcModule.getQNameModule(),"output");
 350
 351         final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
 352         RpcDefinition rpcDef = null;
 353         ContainerSchemaNode rpcOutputSchemaNode = null;
 354         for (final RpcDefinition rpc : setRpcs) {
 355             if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
 356                 rpcOutputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcOutputQName);
 357                 rpcDef = rpc;
 358                 break;
 359             }
 360         }
 361         assertNotNull(rpcDef);
 362         assertNotNull(rpcOutputSchemaNode);
 363         assertTrue(rpcOutputSchemaNode instanceof ContainerSchemaNode);
 364         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder =
 365                 Builders.containerBuilder(rpcOutputSchemaNode);
 366         final DataSchemaNode leafSchema = rpcOutputSchemaNode
 367                 .getDataChildByName(QName.create(rpcModule.getQNameModule(), "textOut"));
 368         assertTrue(leafSchema instanceof LeafSchemaNode);
 369         final NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder =
 370                 Builders.leafBuilder((LeafSchemaNode) leafSchema);
 371         leafBuilder.withValue("brm");
 372         containerBuilder.withChild(leafBuilder.build());
 373         final ContainerNode container = containerBuilder.build();
 374
 375         final DOMRpcResult result = new DefaultDOMRpcResult(container);
 376         final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(result);
 377
 378         final BrokerFacade brokerFacade = mock(BrokerFacade.class);
 379         when(brokerFacade.invokeRpc(eq(rpcDef.getPath()), any(NormalizedNode.class))).thenReturn(future);
 380
 381         restconfImpl.setBroker(brokerFacade);
 382
 383         final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:testOutput", "", uriInfo);
 384         assertNotNull(output);
 385         assertNotNull(output.getData());
 386         assertSame(container, output.getData());
 387         assertNotNull(output.getInstanceIdentifierContext());
 388         assertNotNull(output.getInstanceIdentifierContext().getSchemaContext());
 389     }
 390
 391     /**
 392      *
 393      * Tests calling of RestConfImpl method invokeRpc. In the method there is searched rpc in remote schema context.
 394      * This rpc is then executed.
 395      *
 396      * I wasn't able to simulate calling of rpc on remote device therefore this testing method raise method when rpc is
 397      * invoked.
 398      */
 399     @Test
 400     @Ignore // FIXME find how to use mockito for it
 401     public void testMountedRpcCallNoPayload_Success() throws Exception {
 402         final RpcResult<CompositeNode> rpcResult = RpcResultBuilder.<CompositeNode>success().build();
 403
 404         final ListenableFuture<RpcResult<CompositeNode>> mockListener = mock(ListenableFuture.class);
 405         when(mockListener.get()).thenReturn(rpcResult);
 406
 407         final QName cancelToastQName = QName.create("namespace", "2014-05-28", "cancelToast");
 408
 409         final RpcDefinition mockRpc = mock(RpcDefinition.class);
 410         when(mockRpc.getQName()).thenReturn(cancelToastQName);
 411
 412         final DOMMountPoint mockMountPoint = mock(DOMMountPoint.class);
 413         final RpcProvisionRegistry mockedRpcProvisionRegistry = mock(RpcProvisionRegistry.class);
 414         when(mockedRpcProvisionRegistry.invokeRpc(eq(cancelToastQName), any(CompositeNode.class))).thenReturn(mockListener);
 415         when(mockMountPoint.getService(eq(RpcProvisionRegistry.class))).thenReturn(Optional.of(mockedRpcProvisionRegistry));
 416         when(mockMountPoint.getSchemaContext()).thenReturn(TestUtils.loadSchemaContext("/invoke-rpc"));
 417
 418         final InstanceIdentifierContext mockedInstanceId = mock(InstanceIdentifierContext.class);
 419         when(mockedInstanceId.getMountPoint()).thenReturn(mockMountPoint);
 420
 421         final ControllerContext mockedContext = mock(ControllerContext.class);
 422         final String rpcNoop = "invoke-rpc-module:rpc-noop";
 423         when(mockedContext.urlPathArgDecode(rpcNoop)).thenReturn(rpcNoop);
 424         when(mockedContext.getRpcDefinition(rpcNoop)).thenReturn(mockRpc);
 425         when(
 426                 mockedContext.toMountPointIdentifier(eq("opendaylight-inventory:nodes/node/"
 427                         + "REMOTE_HOST/yang-ext:mount/invoke-rpc-module:rpc-noop"))).thenReturn(mockedInstanceId);
 428
 429         restconfImpl.setControllerContext(mockedContext);
 430         try {
 431             restconfImpl.invokeRpc(
 432                     "opendaylight-inventory:nodes/node/REMOTE_HOST/yang-ext:mount/invoke-rpc-module:rpc-noop", "",
 433                     uriInfo);
 434             fail("RestconfDocumentedException wasn't raised");
 435         } catch (final RestconfDocumentedException e) {
 436             final List<RestconfError> errors = e.getErrors();
 437             assertNotNull(errors);
 438             assertEquals(1, errors.size());
 439             assertEquals(ErrorType.APPLICATION, errors.iterator().next().getErrorType());
 440             assertEquals(ErrorTag.OPERATION_FAILED, errors.iterator().next().getErrorTag());
 441         }
 442
 443         // additional validation in the fact that the restconfImpl does not
 444         // throw an exception.
 445     }
 446 }