Merge "Change in AbstractRaftBehavior#performSnapshotWithoutCapture"
[controller.git] / opendaylight / md-sal / sal-rest-connector / src / test / java / org / opendaylight / controller / sal / restconf / impl / test / InvokeRpcMethodTest.java
index c5f5a1eddc68d112858376d6c446192ac59394ab..5b3da47c62e6d9e2fde6f8683f5ea16f9c9807e2 100644 (file)
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2014 Brocade Communications Systems, Inc.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.controller.sal.restconf.impl.test;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.io.FileNotFoundException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
-
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.UriInfo;
+import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
-import org.mockito.invocation.InvocationOnMock;
-import org.mockito.stubbing.Answer;
+import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import org.opendaylight.controller.sal.core.api.RpcProvisionRegistry;
 import org.opendaylight.controller.sal.restconf.impl.BrokerFacade;
 import org.opendaylight.controller.sal.restconf.impl.ControllerContext;
+import org.opendaylight.controller.sal.restconf.impl.InstanceIdentifierContext;
+import org.opendaylight.controller.sal.restconf.impl.NormalizedNodeContext;
+import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
+import org.opendaylight.controller.sal.restconf.impl.RestconfError;
+import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
+import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
 import org.opendaylight.controller.sal.restconf.impl.RestconfImpl;
-import org.opendaylight.controller.sal.restconf.impl.StructuredData;
 import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.RpcError;
 import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.ModifyAction;
-import org.opendaylight.yangtools.yang.data.api.MutableCompositeNode;
-import org.opendaylight.yangtools.yang.data.api.MutableSimpleNode;
-import org.opendaylight.yangtools.yang.data.api.Node;
-import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
 
 public class InvokeRpcMethodTest {
 
-    private static Set<Module> modules;
+    private RestconfImpl restconfImpl = null;
+    private static ControllerContext controllerContext = null;
+    private static UriInfo uriInfo;
 
-    private class AnswerImpl implements Answer<RpcResult<CompositeNode>> {
-        @Override
-        public RpcResult<CompositeNode> answer(InvocationOnMock invocation) throws Throwable {
-            CompositeNode compNode = (CompositeNode) invocation.getArguments()[1];
-            return new DummyRpcResult.Builder<CompositeNode>().result(compNode).isSuccessful(true).build();
-        }
-    }
 
     @BeforeClass
-    public static void initialization() {
-        modules = TestUtils.loadModulesFrom("/invoke-rpc");
-        assertEquals(1, modules.size());
-        Module module = TestUtils.resolveModule("invoke-rpc-module", modules);
+    public static void init() throws FileNotFoundException {
+        final Set<Module> allModules = new HashSet<Module>(TestUtils.loadModulesFrom("/full-versions/yangs"));
+        allModules.addAll(TestUtils.loadModulesFrom("/invoke-rpc"));
+        assertNotNull(allModules);
+        final Module module = TestUtils.resolveModule("invoke-rpc-module", allModules);
         assertNotNull(module);
+        final SchemaContext schemaContext = TestUtils.loadSchemaContext(allModules);
+        controllerContext = spy(ControllerContext.getInstance());
+        controllerContext.setSchemas(schemaContext);
+        uriInfo = mock(UriInfo.class);
+        final MultivaluedMap<String, String> map = new MultivaluedHashMap<>();
+        map.put("prettyPrint", Collections.singletonList("true"));
+        when(uriInfo.getQueryParameters(any(Boolean.class))).thenReturn(map);
+    }
+
+    @Before
+    public void initMethod() {
+        restconfImpl = RestconfImpl.getInstance();
+        restconfImpl.setControllerContext(controllerContext);
     }
 
     /**
-     * Test method invokeRpc in RestconfImpl class tests if composite node as
-     * input parameter of method invokeRpc (second argument) is wrapped to
-     * parent composite node which has QName equals to QName of rpc (resolved
-     * from string - first argument).
+     * Test method invokeRpc in RestconfImpl class tests if composite node as input parameter of method invokeRpc
+     * (second argument) is wrapped to parent composite node which has QName equals to QName of rpc (resolved from
+     * string - first argument).
      */
     @Test
+    @Ignore
     public void invokeRpcMethodTest() {
-        ControllerContext contContext = ControllerContext.getInstance();
-        contContext.onGlobalContextUpdated(TestUtils.loadSchemaContext(modules));
+        final ControllerContext contContext = controllerContext;
         try {
             contContext.findModuleNameByNamespace(new URI("invoke:rpc:module"));
-        } catch (URISyntaxException e) {
+        } catch (final URISyntaxException e) {
             assertTrue("Uri wasn't created sucessfuly", false);
         }
 
-        BrokerFacade mockedBrokerFacade = mock(BrokerFacade.class);
+        final BrokerFacade mockedBrokerFacade = mock(BrokerFacade.class);
 
-        RestconfImpl restconf = RestconfImpl.getInstance();
+        final RestconfImpl restconf = RestconfImpl.getInstance();
         restconf.setBroker(mockedBrokerFacade);
         restconf.setControllerContext(contContext);
 
-        when(mockedBrokerFacade.invokeRpc(any(QName.class), any(CompositeNode.class))).thenAnswer(new AnswerImpl());
+        final NormalizedNodeContext payload = prepareDomPayload();
 
-        StructuredData structData = restconf.invokeRpc("invoke-rpc-module:rpc-test", preparePayload());
+        final NormalizedNodeContext rpcResponse = restconf.invokeRpc("invoke-rpc-module:rpc-test", payload, uriInfo);
+        assertTrue(rpcResponse != null);
+        assertTrue(rpcResponse.getData() == null);
 
-        CompositeNode rpcCompNode = structData.getData();
-        CompositeNode cont = null;
-        assertEquals("invoke:rpc:module", rpcCompNode.getNodeType().getNamespace().toString());
-        assertEquals("rpc-test", rpcCompNode.getNodeType().getLocalName());
+    }
 
-        for (Node<?> node : rpcCompNode.getChildren()) {
-            if (node.getNodeType().getLocalName().equals("cont")
-                    && node.getNodeType().getNamespace().toString().equals("nmspc")) {
-                if (node instanceof CompositeNode) {
-                    cont = (CompositeNode) node;
-                }
+    private NormalizedNodeContext prepareDomPayload() {
+        final SchemaContext schema = controllerContext.getGlobalSchema();
+        final Module rpcModule = schema.findModuleByName("invoke-rpc-module", null);
+        assertNotNull(rpcModule);
+        final QName rpcQName = QName.create(rpcModule.getQNameModule(), "rpc-test");
+        final QName rpcInputQName = QName.create(rpcModule.getQNameModule(),"input");
+        final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
+        ContainerSchemaNode rpcInputSchemaNode = null;
+        for (final RpcDefinition rpc : setRpcs) {
+            if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
+                rpcInputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcInputQName);
+                break;
             }
         }
-        assertNotNull(cont);
+        assertNotNull(rpcInputSchemaNode);
+
+        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> container = Builders.containerBuilder(rpcInputSchemaNode);
+
+        final QName contQName = QName.create(rpcModule.getQNameModule(), "cont");
+        final DataSchemaNode contSchemaNode = rpcInputSchemaNode.getDataChildByName(contQName);
+        assertTrue(contSchemaNode instanceof ContainerSchemaNode);
+        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> contNode = Builders.containerBuilder((ContainerSchemaNode) contSchemaNode);
+
+        final QName lfQName = QName.create(rpcModule.getQNameModule(), "lf");
+        final DataSchemaNode lfSchemaNode = ((ContainerSchemaNode) contSchemaNode).getDataChildByName(lfQName);
+        assertTrue(lfSchemaNode instanceof LeafSchemaNode);
+        final LeafNode<Object> lfNode = (Builders.leafBuilder((LeafSchemaNode) lfSchemaNode).withValue("any value")).build();
+        contNode.withChild(lfNode);
+        container.withChild(contNode.build());
+
+        return new NormalizedNodeContext(new InstanceIdentifierContext(null, rpcInputSchemaNode, null, schema), container.build());
+    }
+
+    @Test
+    public void testInvokeRpcWithNoPayloadRpc_FailNoErrors() {
+        final DOMRpcException exception = new DOMRpcImplementationNotAvailableException("testExeption");
+        final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateFailedCheckedFuture(exception);
+
+        final BrokerFacade brokerFacade = mock(BrokerFacade.class);
+
+        final QName qname = QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast");
+        final SchemaPath type = SchemaPath.create(true, qname);
 
+        when(brokerFacade.invokeRpc(eq(type), any(NormalizedNode.class))).thenReturn(future);
+
+        restconfImpl.setBroker(brokerFacade);
+
+        try {
+            restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
+            fail("Expected an exception to be thrown.");
+        } catch (final RestconfDocumentedException e) {
+            verifyRestconfDocumentedException(e, 0, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED,
+                    Optional.<String> absent(), Optional.<String> absent());
+        }
     }
 
-    private CompositeNode preparePayload() {
-        MutableCompositeNode cont = NodeFactory.createMutableCompositeNode(
-                TestUtils.buildQName("cont", "nmspc", "2013-12-04"), null, null, ModifyAction.CREATE, null);
-        MutableSimpleNode<?> lf = NodeFactory.createMutableSimpleNode(
-                TestUtils.buildQName("lf", "nmspc", "2013-12-04"), cont, "any value", ModifyAction.CREATE, null);
-        cont.getChildren().add(lf);
-        cont.init();
+    void verifyRestconfDocumentedException(final RestconfDocumentedException e, final int index,
+            final ErrorType expErrorType, final ErrorTag expErrorTag, final Optional<String> expErrorMsg,
+            final Optional<String> expAppTag) {
+        RestconfError actual = null;
+        try {
+            actual = e.getErrors().get(index);
+        } catch (final ArrayIndexOutOfBoundsException ex) {
+            fail("RestconfError not found at index " + index);
+        }
+
+        assertEquals("getErrorType", expErrorType, actual.getErrorType());
+        assertEquals("getErrorTag", expErrorTag, actual.getErrorTag());
+        assertNotNull("getErrorMessage is null", actual.getErrorMessage());
+
+        if (expErrorMsg.isPresent()) {
+            assertEquals("getErrorMessage", expErrorMsg.get(), actual.getErrorMessage());
+        }
 
-        return cont;
+        if (expAppTag.isPresent()) {
+            assertEquals("getErrorAppTag", expAppTag.get(), actual.getErrorAppTag());
+        }
+    }
+
+    @Test
+    public void testInvokeRpcWithNoPayloadRpc_FailWithRpcError() {
+        final List<RpcError> rpcErrors = Arrays.asList(
+            RpcResultBuilder.newError( RpcError.ErrorType.TRANSPORT, "bogusTag", "foo" ),
+            RpcResultBuilder.newWarning( RpcError.ErrorType.RPC, "in-use", "bar",
+                                         "app-tag", null, null ) );
+
+        final DOMRpcResult resutl = new DefaultDOMRpcResult(rpcErrors);
+        final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(resutl);
+
+        final SchemaPath path = SchemaPath.create(true,
+                QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast"));
+
+        final BrokerFacade brokerFacade = mock(BrokerFacade.class);
+        when(brokerFacade.invokeRpc(eq(path), any(NormalizedNode.class))).thenReturn(future);
+
+        restconfImpl.setBroker(brokerFacade);
+
+        try {
+            restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
+            fail("Expected an exception to be thrown.");
+        } catch (final RestconfDocumentedException e) {
+            verifyRestconfDocumentedException(e, 0, ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED, Optional.of("foo"),
+                    Optional.<String> absent());
+            verifyRestconfDocumentedException(e, 1, ErrorType.RPC, ErrorTag.IN_USE, Optional.of("bar"),
+                    Optional.of("app-tag"));
+        }
+    }
+
+    @Test
+    public void testInvokeRpcWithNoPayload_Success() {
+        final NormalizedNode<?, ?> resultObj = null;
+        final DOMRpcResult expResult = new DefaultDOMRpcResult(resultObj);
+        final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(expResult);
+
+        final QName qname = QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)cancel-toast");
+        final SchemaPath path = SchemaPath.create(true, qname);
+
+        final BrokerFacade brokerFacade = mock(BrokerFacade.class);
+        when(brokerFacade.invokeRpc(eq(path), any (NormalizedNode.class))).thenReturn(future);
+
+        restconfImpl.setBroker(brokerFacade);
+
+        final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:cancel-toast", "", uriInfo);
+        assertNotNull(output);
+        assertEquals(null, output.getData());
+        // additional validation in the fact that the restconfImpl does not
+        // throw an exception.
+    }
+
+    @Test
+    public void testInvokeRpcMethodExpectingNoPayloadButProvidePayload() {
+        try {
+            restconfImpl.invokeRpc("toaster:cancel-toast", " a payload ", uriInfo);
+            fail("Expected an exception");
+        } catch (final RestconfDocumentedException e) {
+            verifyRestconfDocumentedException(e, 0, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
+                    Optional.<String> absent(), Optional.<String> absent());
+        }
     }
 
+    @Test
+    public void testInvokeRpcMethodWithBadMethodName() {
+        try {
+            restconfImpl.invokeRpc("toaster:bad-method", "", uriInfo);
+            fail("Expected an exception");
+        } catch (final RestconfDocumentedException e) {
+            verifyRestconfDocumentedException(e, 0, ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT,
+                    Optional.<String> absent(), Optional.<String> absent());
+        }
+    }
+
+    @Test
+    @Ignore
+    public void testInvokeRpcMethodWithInput() {
+        final DOMRpcResult expResult = mock(DOMRpcResult.class);
+        final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(expResult);
+        final SchemaPath path = SchemaPath.create(true,
+                QName.create("(http://netconfcentral.org/ns/toaster?revision=2009-11-20)make-toast"));
+
+        final SchemaContext schemaContext = controllerContext.getGlobalSchema();
+        final Module rpcModule = schemaContext.findModuleByName("toaster", null);
+        assertNotNull(rpcModule);
+        final QName rpcQName = QName.create(rpcModule.getQNameModule(), "make-toast");
+        final QName rpcInputQName = QName.create(rpcModule.getQNameModule(),"input");
+
+        final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
+        RpcDefinition rpcDef = null;
+        ContainerSchemaNode rpcInputSchemaNode = null;
+
+        for (final RpcDefinition rpc : setRpcs) {
+            if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
+                rpcInputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcInputQName);
+                rpcDef = rpc;
+                break;
+            }
+        }
+
+        assertNotNull(rpcDef);
+        assertNotNull(rpcInputSchemaNode);
+        assertTrue(rpcInputSchemaNode instanceof ContainerSchemaNode);
+        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder =
+                Builders.containerBuilder(rpcInputSchemaNode);
+
+        final NormalizedNodeContext payload = new NormalizedNodeContext(new InstanceIdentifierContext(null, rpcInputSchemaNode,
+                null, schemaContext), containerBuilder.build());
+
+        final BrokerFacade brokerFacade = mock(BrokerFacade.class);
+        when(brokerFacade.invokeRpc(eq(path), any(NormalizedNode.class))).thenReturn(future);
+        restconfImpl.setBroker(brokerFacade);
+
+        final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:make-toast", payload, uriInfo);
+        assertNotNull(output);
+        assertEquals(null, output.getData());
+        // additional validation in the fact that the restconfImpl does not
+        // throw an exception.
+    }
+
+    @Test
+    public void testThrowExceptionWhenSlashInModuleName() {
+        try {
+            restconfImpl.invokeRpc("toaster/slash", "", uriInfo);
+            fail("Expected an exception.");
+        } catch (final RestconfDocumentedException e) {
+            verifyRestconfDocumentedException(e, 0, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
+                    Optional.<String> absent(), Optional.<String> absent());
+        }
+    }
+
+    @Test
+    public void testInvokeRpcWithNoPayloadWithOutput_Success() {
+        final SchemaContext schema = controllerContext.getGlobalSchema();
+        final Module rpcModule = schema.findModuleByName("toaster", null);
+        assertNotNull(rpcModule);
+        final QName rpcQName = QName.create(rpcModule.getQNameModule(), "testOutput");
+        final QName rpcOutputQName = QName.create(rpcModule.getQNameModule(),"output");
+
+        final Set<RpcDefinition> setRpcs = rpcModule.getRpcs();
+        RpcDefinition rpcDef = null;
+        ContainerSchemaNode rpcOutputSchemaNode = null;
+        for (final RpcDefinition rpc : setRpcs) {
+            if (rpcQName.isEqualWithoutRevision(rpc.getQName())) {
+                rpcOutputSchemaNode = SchemaNodeUtils.getRpcDataSchema(rpc, rpcOutputQName);
+                rpcDef = rpc;
+                break;
+            }
+        }
+        assertNotNull(rpcDef);
+        assertNotNull(rpcOutputSchemaNode);
+        assertTrue(rpcOutputSchemaNode instanceof ContainerSchemaNode);
+        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder =
+                Builders.containerBuilder(rpcOutputSchemaNode);
+        final DataSchemaNode leafSchema = rpcOutputSchemaNode
+                .getDataChildByName(QName.create(rpcModule.getQNameModule(), "textOut"));
+        assertTrue(leafSchema instanceof LeafSchemaNode);
+        final NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder =
+                Builders.leafBuilder((LeafSchemaNode) leafSchema);
+        leafBuilder.withValue("brm");
+        containerBuilder.withChild(leafBuilder.build());
+        final ContainerNode container = containerBuilder.build();
+
+        final DOMRpcResult result = new DefaultDOMRpcResult(container);
+        final CheckedFuture<DOMRpcResult, DOMRpcException> future = Futures.immediateCheckedFuture(result);
+
+        final BrokerFacade brokerFacade = mock(BrokerFacade.class);
+        when(brokerFacade.invokeRpc(eq(rpcDef.getPath()), any(NormalizedNode.class))).thenReturn(future);
+
+        restconfImpl.setBroker(brokerFacade);
+
+        final NormalizedNodeContext output = restconfImpl.invokeRpc("toaster:testOutput", "", uriInfo);
+        assertNotNull(output);
+        assertNotNull(output.getData());
+        assertSame(container, output.getData());
+        assertNotNull(output.getInstanceIdentifierContext());
+        assertNotNull(output.getInstanceIdentifierContext().getSchemaContext());
+    }
+
+    /**
+     *
+     * Tests calling of RestConfImpl method invokeRpc. In the method there is searched rpc in remote schema context.
+     * This rpc is then executed.
+     *
+     * I wasn't able to simulate calling of rpc on remote device therefore this testing method raise method when rpc is
+     * invoked.
+     */
+    @Test
+    @Ignore // FIXME find how to use mockito for it
+    public void testMountedRpcCallNoPayload_Success() throws Exception {
+        final RpcResult<CompositeNode> rpcResult = RpcResultBuilder.<CompositeNode>success().build();
+
+        final ListenableFuture<RpcResult<CompositeNode>> mockListener = mock(ListenableFuture.class);
+        when(mockListener.get()).thenReturn(rpcResult);
+
+        final QName cancelToastQName = QName.create("namespace", "2014-05-28", "cancelToast");
+
+        final RpcDefinition mockRpc = mock(RpcDefinition.class);
+        when(mockRpc.getQName()).thenReturn(cancelToastQName);
+
+        final DOMMountPoint mockMountPoint = mock(DOMMountPoint.class);
+        final RpcProvisionRegistry mockedRpcProvisionRegistry = mock(RpcProvisionRegistry.class);
+        when(mockedRpcProvisionRegistry.invokeRpc(eq(cancelToastQName), any(CompositeNode.class))).thenReturn(mockListener);
+        when(mockMountPoint.getService(eq(RpcProvisionRegistry.class))).thenReturn(Optional.of(mockedRpcProvisionRegistry));
+        when(mockMountPoint.getSchemaContext()).thenReturn(TestUtils.loadSchemaContext("/invoke-rpc"));
+
+        final InstanceIdentifierContext mockedInstanceId = mock(InstanceIdentifierContext.class);
+        when(mockedInstanceId.getMountPoint()).thenReturn(mockMountPoint);
+
+        final ControllerContext mockedContext = mock(ControllerContext.class);
+        final String rpcNoop = "invoke-rpc-module:rpc-noop";
+        when(mockedContext.urlPathArgDecode(rpcNoop)).thenReturn(rpcNoop);
+        when(mockedContext.getRpcDefinition(rpcNoop)).thenReturn(mockRpc);
+        when(
+                mockedContext.toMountPointIdentifier(eq("opendaylight-inventory:nodes/node/"
+                        + "REMOTE_HOST/yang-ext:mount/invoke-rpc-module:rpc-noop"))).thenReturn(mockedInstanceId);
+
+        restconfImpl.setControllerContext(mockedContext);
+        try {
+            restconfImpl.invokeRpc(
+                    "opendaylight-inventory:nodes/node/REMOTE_HOST/yang-ext:mount/invoke-rpc-module:rpc-noop", "",
+                    uriInfo);
+            fail("RestconfDocumentedException wasn't raised");
+        } catch (final RestconfDocumentedException e) {
+            final List<RestconfError> errors = e.getErrors();
+            assertNotNull(errors);
+            assertEquals(1, errors.size());
+            assertEquals(ErrorType.APPLICATION, errors.iterator().next().getErrorType());
+            assertEquals(ErrorTag.OPERATION_FAILED, errors.iterator().next().getErrorTag());
+        }
+
+        // additional validation in the fact that the restconfImpl does not
+        // throw an exception.
+    }
 }