Patch/0.3.9 (#332)

+semver: patch * Bump actions/upload-artifact from 3.1.1 to 3.1.2 (#314) Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.1.1 to 3.1.2. - [Release notes](https://github.com/actions/upload-artifact/releases) - [Commits](actions/upload-artifact@v3.1.1...v3.1.2) --- updated-dependencies: - dependency-name: actions/upload-artifact dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * Bump actions/cache from 3.0.11 to 3.2.3 (#313) Bumps [actions/cache](https://github.com/actions/cache) from 3.0.11 to 3.2.3. - [Release notes](https://github.com/actions/cache/releases) - [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md) - [Commits](actions/cache@v3.0.11...v3.2.3) --- updated-dependencies: - dependency-name: actions/cache dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * Bump Microsoft.NET.Test.Sdk from 17.4.0 to 17.4.1 (#309) Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.4.0 to 17.4.1. - [Release notes](https://github.com/microsoft/vstest/releases) - [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md) - [Commits](microsoft/vstest@v17.4.0...v17.4.1) --- updated-dependencies: - dependency-name: Microsoft.NET.Test.Sdk dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * Clears payload at startup (#326) * Fix Mongodb configuration where GUIDs are not deserialized correctly Remove pending payloads only when MachineName matches. * Update changelog Signed-off-by: Victor Chang <vicchang@nvidia.com> * Fix payload assembler not respecting user configured timeout window (#330) * Fix payload assembler not respecting user configured timeout window Signed-off-by: Victor Chang <vicchang@nvidia.com> * Add test case for grouping over multiple associations Signed-off-by: Victor Chang <vicchang@nvidia.com> * Adjust pulse time to catch the previous regression Signed-off-by: Victor Chang <vicchang@nvidia.com> --------- Signed-off-by: Victor Chang <vicchang@nvidia.com> --------- Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: Victor Chang <vicchang@nvidia.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Project-MONAI · Feb 11, 2023 · db0d886 · db0d886
1 parent 7d753e6
commit db0d886
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Showing 14 changed files with 159 additions and 72 deletions.
diff --git a/src/InformaticsGateway/Services/Connectors/PayloadAssembler.cs b/src/InformaticsGateway/Services/Connectors/PayloadAssembler.cs
@@ -135,20 +135,21 @@ private async void OnTimedEvent(Object source, System.Timers.ElapsedEventArgs e)
                     var payload = await _payloads[key].Task.ConfigureAwait(false);
                     using var loggerScope = _logger.BeginScope(new LoggingDataDictionary<string, object> { { "CorrelationId", payload.CorrelationId } });
 
-                    if (payload.IsUploadCompleted())
+                    // Wait for timer window closes before sending payload for processing
+                    if (payload.HasTimedOut)
                     {
-                        if (_payloads.TryRemove(key, out _))
+                        if (payload.IsUploadCompleted())
                         {
-                            await QueueBucketForNotification(key, payload).ConfigureAwait(false);
+                            if (_payloads.TryRemove(key, out _))
+                            {
+                                await QueueBucketForNotification(key, payload).ConfigureAwait(false);
+                            }
+                            else
+                            {
+                                _logger.BucketRemoveError(key);
+                            }
                         }
-                        else
-                        {
-                            _logger.BucketRemoveError(key);
-                        }
-                    }
-                    else if (payload.HasTimedOut)
-                    {
-                        if (payload.AnyUploadFailures())
+                        else if (payload.AnyUploadFailures())
                         {
                             _payloads.TryRemove(key, out _);
                             _logger.PayloadRemovedWithFailureUploads(key);

diff --git a/tests/Integration.Test/Common/Assertions.cs b/tests/Integration.Test/Common/Assertions.cs
@@ -199,7 +199,15 @@ internal void ShouldHaveCorrectNumberOfWorkflowRequestMessages(DataProvider data
                 message.ApplicationId.Should().Be(MessageBrokerConfiguration.InformaticsGatewayApplicationId);
                 var request = message.ConvertTo<WorkflowRequestEvent>();
                 request.Should().NotBeNull();
-                request.FileCount.Should().Be((dataProvider.DicomSpecs.NumberOfExpectedFiles(dataProvider.StudyGrouping)));
+
+                if (dataProvider.ClientSendOverAssociations == 1 || messages.Count == 1)
+                {
+                    request.FileCount.Should().Be((dataProvider.DicomSpecs.NumberOfExpectedFiles(dataProvider.StudyGrouping)));
+                }
+                else
+                {
+                    request.FileCount.Should().Be(dataProvider.DicomSpecs.FileCount / dataProvider.ClientSendOverAssociations);
+                }
 
                 if (dataProvider.Workflows is not null)
                 {

diff --git a/tests/Integration.Test/Common/DataProvider.cs b/tests/Integration.Test/Common/DataProvider.cs
@@ -38,6 +38,9 @@ internal class DataProvider
         public DicomStatus DimseRsponse { get; internal set; }
         public string StudyGrouping { get; internal set; }
         public string[] Workflows { get; internal set; } = null;
+        public int ClientTimeout { get; internal set; }
+        public int ClientAssociationPulseTime { get; internal set; } = 0;
+        public int ClientSendOverAssociations { get; internal set; } = 1;
 
         public DataProvider(Configurations configurations, ISpecFlowOutputHelper outputHelper)
         {

diff --git a/tests/Integration.Test/Common/DicomCStoreDataClient.cs b/tests/Integration.Test/Common/DicomCStoreDataClient.cs
@@ -16,6 +16,7 @@
 
 using System.Diagnostics;
 using Ardalis.GuardClauses;
+using FellowOakDicom;
 using FellowOakDicom.Network;
 using FellowOakDicom.Network.Client;
 using Monai.Deploy.InformaticsGateway.Configuration;
@@ -48,15 +49,59 @@ public async Task SendAsync(DataProvider dataProvider, params object[] args)
             var host = args[1].ToString();
             var port = (int)args[2];
             var calledAeTitle = args[3].ToString();
-            var timeout = (TimeSpan)args[4];
+            var timeout = TimeSpan.FromSeconds(dataProvider.ClientTimeout);
+            var associations = dataProvider.ClientSendOverAssociations;
+            var pauseTime = TimeSpan.FromSeconds(dataProvider.ClientAssociationPulseTime);
 
             _outputHelper.WriteLine($"C-STORE: {callingAeTitle} => {host}:{port}@{calledAeTitle}");
             var stopwatch = new Stopwatch();
             stopwatch.Start();
-            var dicomClient = DicomClientFactory.Create(host, port, false, callingAeTitle, calledAeTitle);
-            var countdownEvent = new CountdownEvent(dataProvider.DicomSpecs.Files.Count);
+
+            var filesPerAssociations = dataProvider.DicomSpecs.Files.Count / associations;
+
             var failureStatus = new List<DicomStatus>();
-            foreach (var file in dataProvider.DicomSpecs.Files)
+            for (int i = 0; i < associations; i++)
+            {
+                var files = dataProvider.DicomSpecs.Files.Skip(i * filesPerAssociations).Take(filesPerAssociations).ToList();
+                if (i + 1 == associations && dataProvider.DicomSpecs.Files.Count > (i + 1) * filesPerAssociations)
+                {
+                    files.AddRange(dataProvider.DicomSpecs.Files.Skip(i * filesPerAssociations));
+                }
+
+                try
+                {
+                    await SendBatchAsync(
+                        files,
+                        callingAeTitle,
+                        host,
+                        port,
+                        calledAeTitle,
+                        timeout,
+                        stopwatch,
+                        failureStatus);
+                    await Task.Delay(pauseTime);
+                }
+                catch (DicomAssociationRejectedException ex)
+                {
+                    _outputHelper.WriteLine($"Association Rejected: {ex.Message}");
+                    dataProvider.DimseRsponse = DicomStatus.Cancel;
+                }
+            }
+
+            stopwatch.Stop();
+            lock (SyncRoot)
+            {
+                TotalTime += (int)stopwatch.Elapsed.TotalMilliseconds;
+            }
+            _outputHelper.WriteLine($"DICOMsend:{stopwatch.Elapsed.TotalSeconds}s");
+            dataProvider.DimseRsponse = (failureStatus.Count == 0) ? DicomStatus.Success : failureStatus.First();
+        }
+
+        private async Task SendBatchAsync(List<DicomFile> files, string callingAeTitle, string host, int port, string calledAeTitle, TimeSpan timeout, Stopwatch stopwatch, List<DicomStatus> failureStatus)
+        {
+            var dicomClient = DicomClientFactory.Create(host, port, false, callingAeTitle, calledAeTitle);
+            var countdownEvent = new CountdownEvent(files.Count);
+            foreach (var file in files)
             {
                 var cStoreRequest = new DicomCStoreRequest(file);
                 cStoreRequest.OnResponseReceived += (DicomCStoreRequest request, DicomCStoreResponse response) =>
@@ -67,24 +112,8 @@ public async Task SendAsync(DataProvider dataProvider, params object[] args)
                 await dicomClient.AddRequestAsync(cStoreRequest);
             }
 
-            try
-            {
-                await dicomClient.SendAsync();
-                countdownEvent.Wait(timeout);
-                stopwatch.Stop();
-                lock (SyncRoot)
-                {
-                    TotalTime += (int)stopwatch.Elapsed.TotalMilliseconds;
-                }
-                _outputHelper.WriteLine($"DICOMsend:{stopwatch.Elapsed.TotalSeconds}s");
-            }
-            catch (DicomAssociationRejectedException ex)
-            {
-                _outputHelper.WriteLine($"Association Rejected: {ex.Message}");
-                dataProvider.DimseRsponse = DicomStatus.Cancel;
-            }
-
-            dataProvider.DimseRsponse = (failureStatus.Count == 0) ? DicomStatus.Success : failureStatus.First();
+            await dicomClient.SendAsync();
+            countdownEvent.Wait(timeout);
         }
     }
 }
diff --git a/tests/Integration.Test/Drivers/RabbitMqConsumer.cs b/tests/Integration.Test/Drivers/RabbitMqConsumer.cs
@@ -16,6 +16,7 @@
  */
 
 using System.Collections.Concurrent;
+using System.Diagnostics;
 using Monai.Deploy.Messaging.Messages;
 using Monai.Deploy.Messaging.RabbitMQ;
 using TechTalk.SpecFlow.Infrastructure;
@@ -32,7 +33,6 @@ internal class RabbitMqConsumer : IDisposable
 
         public IReadOnlyList<Message> Messages
         { get { return _messages.ToList(); } }
-        public CountdownEvent MessageWaitHandle { get; private set; }
 
         public RabbitMqConsumer(RabbitMQMessageSubscriberService subscriberService, string queueName, ISpecFlowOutputHelper outputHelper)
         {
@@ -54,15 +54,13 @@ public RabbitMqConsumer(RabbitMQMessageSubscriberService subscriberService, stri
                     _messages.Add(eventArgs.Message);
                     subscriberService.Acknowledge(eventArgs.Message);
                     _outputHelper.WriteLine($"{DateTime.UtcNow} - {queueName} message received with correlation ID={eventArgs.Message.CorrelationId}, delivery tag={eventArgs.Message.DeliveryTag}");
-                    MessageWaitHandle?.Signal();
                 });
         }
 
-        public void SetupMessageHandle(int count)
+        public void ClearMessages()
         {
-            _outputHelper.WriteLine($"Expecting {count} {_queueName} messages from RabbitMQ");
+            _outputHelper.WriteLine($"Clearing messages received from RabbitMQ");
             _messages.Clear();
-            MessageWaitHandle = new CountdownEvent(count);
         }
 
         protected virtual void Dispose(bool disposing)
@@ -84,5 +82,18 @@ public void Dispose()
             Dispose(disposing: true);
             GC.SuppressFinalize(this);
         }
+
+        internal async Task<bool> WaitforAsync(int messageCount, TimeSpan messageWaitTimeSpan)
+        {
+            var stopwatch = new Stopwatch();
+            stopwatch.Start();
+
+            while (messageCount > _messages.Count && stopwatch.Elapsed < messageWaitTimeSpan)
+            {
+                await Task.Delay(100);
+            }
+
+            return messageCount >= _messages.Count;
+        }
     }
 }
diff --git a/tests/Integration.Test/Features/AcrApi.feature b/tests/Integration.Test/Features/AcrApi.feature
@@ -28,7 +28,7 @@ Feature: ACR API
         Given a DICOM study on a remote DICOMweb service
         And an ACR API request to query & retrieve by <requestType>
         When the ACR API request is sent
-        Then a workflow requests sent to the message broker
+        Then a single workflow request is sent to the message broker
         And a study is uploaded to the storage service
 
     Examples:

diff --git a/tests/Integration.Test/Features/DicomDimseScp.feature b/tests/Integration.Test/Features/DicomDimseScp.feature
@@ -31,14 +31,17 @@ Feature: DICOM DIMSE SCP Services
 
     Scenario: Response to C-ECHO-RQ
         Given a called AE Title named 'C-ECHO-TEST' that groups by '0020,000D' for 5 seconds
-        When a C-ECHO-RQ is sent to 'C-ECHO-TEST' from 'TEST-RUNNER' with timeout of 30 seconds
+        And a DICOM client configured with 30 seconds timeout
+        When a C-ECHO-RQ is sent to 'C-ECHO-TEST' from 'TEST-RUNNER'
         Then a successful response should be received
 
     @messaging_workflow_request @messaging
     Scenario Outline: Respond to C-STORE-RQ and group data by Study Instance UID
         Given a called AE Title named 'C-STORE-STUDY' that groups by '0020,000D' for 3 seconds
+        And a DICOM client configured with 300 seconds timeout
+        And a DICOM client configured to send data over 1 associations and wait 0 between each association
         And <count> <modality> studies
-        When a C-STORE-RQ is sent to 'Informatics Gateway' with AET 'C-STORE-STUDY' from 'TEST-RUNNER' with timeout of 300 seconds
+        When a C-STORE-RQ is sent to 'Informatics Gateway' with AET 'C-STORE-STUDY' from 'TEST-RUNNER'
         Then a successful response should be received
         And <count> workflow requests sent to message broker
         And studies are uploaded to storage service
@@ -53,8 +56,10 @@ Feature: DICOM DIMSE SCP Services
     @messaging_workflow_request @messaging
     Scenario Outline: Respond to C-STORE-RQ and group data by Series Instance UID
         Given a called AE Title named 'C-STORE-SERIES' that groups by '0020,000E' for 3 seconds
+        And a DICOM client configured with 300 seconds timeout
+        And a DICOM client configured to send data over 1 associations and wait 0 between each association
         And <study_count> <modality> studies with <series_count> series per study
-        When a C-STORE-RQ is sent to 'Informatics Gateway' with AET 'C-STORE-SERIES' from 'TEST-RUNNER' with timeout of 300 seconds
+        When a C-STORE-RQ is sent to 'Informatics Gateway' with AET 'C-STORE-SERIES' from 'TEST-RUNNER'
         Then a successful response should be received
         And <series_count> workflow requests sent to message broker
         And studies are uploaded to storage service
@@ -65,3 +70,19 @@ Feature: DICOM DIMSE SCP Services
             | CT       | 1           | 2            |
             | MG       | 1           | 3            |
             | US       | 1           | 2            |
+
+    @messaging_workflow_request @messaging
+    Scenario Outline: Respond to C-STORE-RQ and group data by Study Instance UID over multiple associations
+        Given a called AE Title named 'C-STORE-STUDY' that groups by '0020,000D' for 5 seconds
+        And a DICOM client configured with 300 seconds timeout
+        And a DICOM client configured to send data over <series_count> associations and wait <seconds> between each association
+        And <study_count> <modality> studies with <series_count> series per study
+        When C-STORE-RQ are sent to 'Informatics Gateway' with AET 'C-STORE-STUDY' from 'TEST-RUNNER'
+        Then a successful response should be received
+        And <workflow_requests> workflow requests sent to message broker
+        And studies are uploaded to storage service
+
+        Examples:
+            | modality | study_count | series_count | seconds | workflow_requests |
+            | MG       | 1           | 3            | 3       | 1                 |
+            | MG       | 1           | 3            | 6       | 3                 |
diff --git a/tests/Integration.Test/StepDefinitions/AcrApiStepDefinitions.cs b/tests/Integration.Test/StepDefinitions/AcrApiStepDefinitions.cs
@@ -59,7 +59,7 @@ public async Task GivenADICOMStudySentToAETFromWithTimeoutOfSeconds()
         {
             var modality = "US";
             _dataProvider.GenerateDicomData(modality, WorkflowStudyCount);
-            _receivedMessages.SetupMessageHandle(WorkflowStudyCount);
+            _receivedMessages.ClearMessages();
 
             var storeScu = _objectContainer.Resolve<IDataClient>("StoreSCU");
             await storeScu.SendAsync(_dataProvider, "TEST-RUNNER", _configurations.OrthancOptions.Host, _configurations.OrthancOptions.DimsePort, "ORTHANC", TimeSpan.FromSeconds(300));
@@ -80,17 +80,16 @@ public async Task WhenTheACRAPIRequestIsSentTo()
             await _informaticsGatewayClient.Inference.NewInferenceRequest(_dataProvider.AcrRequest, CancellationToken.None);
         }
 
-        [Then(@"a workflow requests sent to the message broker")]
-        public void ThenAWorkflowRequestsSentToTheMessageBroker()
+        [Then(@"a single workflow request is sent to the message broker")]
+        public async Task ThenAWorkflowRequestsSentToTheMessageBroker()
         {
-            _receivedMessages.MessageWaitHandle.Wait(MessageWaitTimeSpan).Should().BeTrue();
+            (await _receivedMessages.WaitforAsync(1, MessageWaitTimeSpan)).Should().BeTrue();
             _assertions.ShouldHaveCorrectNumberOfWorkflowRequestMessagesAndAcrRequest(_dataProvider, _receivedMessages.Messages, WorkflowStudyCount);
         }
 
         [Then(@"a study is uploaded to the storage service")]
         public async Task ThenAStudyIsUploadedToTheStorageService()
         {
-            _receivedMessages.MessageWaitHandle.Wait(MessageWaitTimeSpan).Should().BeTrue();
             _receivedMessages.Messages.Should().NotBeNullOrEmpty();
             await _assertions.ShouldHaveUploadedDicomDataToMinio(_receivedMessages.Messages, _dataProvider.DicomSpecs.FileHashes);
         }

diff --git a/tests/Integration.Test/StepDefinitions/DicomDimseScpServicesStepDefinitions.cs b/tests/Integration.Test/StepDefinitions/DicomDimseScpServicesStepDefinitions.cs
@@ -88,7 +88,8 @@ public void GivenXStudiesWithYSeriesPerStudy(int studyCount, string modality, in
             Guard.Against.NegativeOrZero(seriesPerStudy);
 
             _dataProvider.GenerateDicomData(modality, studyCount, seriesPerStudy);
-            _receivedMessages.SetupMessageHandle(_dataProvider.DicomSpecs.NumberOfExpectedRequests(_dataProvider.StudyGrouping));
+
+            _receivedMessages.ClearMessages();
         }
 
         [Given(@"a called AE Title named '([^']*)' that groups by '([^']*)' for (.*) seconds")]
@@ -125,12 +126,28 @@ await _informaticsGatewayClient.MonaiScpAeTitle.Create(new MonaiApplicationEntit
             }
         }
 
-        [When(@"a C-ECHO-RQ is sent to '([^']*)' from '([^']*)' with timeout of (.*) seconds")]
-        public async Task WhenAC_ECHO_RQIsSentToFromWithTimeoutOfSeconds(string calledAeTitle, string callingAeTitle, int clientTimeoutSeconds)
+        [Given(@"a DICOM client configured with (.*) seconds timeout")]
+        public void GivenADICOMClientConfiguredWithSecondsTimeout(int timeout)
+        {
+            Guard.Against.NegativeOrZero(timeout);
+            _dataProvider.ClientTimeout = timeout;
+        }
+
+        [Given(@"a DICOM client configured to send data over (.*) associations and wait (.*) between each association")]
+        public void GivenADICOMClientConfiguredToSendDataOverAssociationsAndWaitSecondsBetweenEachAssociation(int associations, int pulseTime)
+        {
+            Guard.Against.NegativeOrZero(associations);
+            Guard.Against.Negative(pulseTime);
+
+            _dataProvider.ClientSendOverAssociations = associations;
+            _dataProvider.ClientAssociationPulseTime = pulseTime;
+        }
+
+        [When(@"a C-ECHO-RQ is sent to '([^']*)' from '([^']*)'")]
+        public async Task WhenAC_ECHO_RQIsSentToFromWithTimeoutOfSeconds(string calledAeTitle, string callingAeTitle)
         {
             Guard.Against.NullOrWhiteSpace(calledAeTitle);
             Guard.Against.NullOrWhiteSpace(callingAeTitle);
-            Guard.Against.NegativeOrZero(clientTimeoutSeconds);
 
             var echoScu = _objectContainer.Resolve<IDataClient>("EchoSCU");
             await echoScu.SendAsync(
@@ -139,7 +156,7 @@ await echoScu.SendAsync(
                 _configuration.InformaticsGatewayOptions.Host,
                 _informaticsGatewayConfiguration.Dicom.Scp.Port,
                 calledAeTitle,
-                TimeSpan.FromSeconds(clientTimeoutSeconds));
+                TimeSpan.FromSeconds(_dataProvider.ClientTimeout));
         }
 
         [Then(@"a successful response should be received")]
@@ -148,13 +165,13 @@ public void ThenASuccessfulResponseShouldBeReceived()
             _dataProvider.DimseRsponse.Should().Be(DicomStatus.Success);
         }
 
-        [When(@"a C-STORE-RQ is sent to '([^']*)' with AET '([^']*)' from '([^']*)' with timeout of (.*) seconds")]
-        public async Task WhenAC_STORE_RQIsSentToWithAETFromWithTimeoutOfSeconds(string application, string calledAeTitle, string callingAeTitle, int clientTimeoutSeconds)
+        [When(@"a C-STORE-RQ is sent to '([^']*)' with AET '([^']*)' from '([^']*)'")]
+        [When(@"C-STORE-RQ are sent to '([^']*)' with AET '([^']*)' from '([^']*)'")]
+        public async Task WhenAC_STORE_RQIsSentToWithAETFromWithTimeoutOfSeconds(string application, string calledAeTitle, string callingAeTitle)
         {
             Guard.Against.NullOrWhiteSpace(application);
             Guard.Against.NullOrWhiteSpace(calledAeTitle);
             Guard.Against.NullOrWhiteSpace(callingAeTitle);
-            Guard.Against.NegativeOrZero(clientTimeoutSeconds);
 
             var storeScu = _objectContainer.Resolve<IDataClient>("StoreSCU");
 
@@ -168,8 +185,7 @@ await storeScu.SendAsync(
                 callingAeTitle,
                 host,
                 port,
-                calledAeTitle,
-                TimeSpan.FromSeconds(clientTimeoutSeconds));
+                calledAeTitle);
 
             _dataProvider.ReplaceGeneratedDicomDataWithHashes();
         }

diff --git a/tests/Integration.Test/StepDefinitions/DicomWebStowServiceStepDefinitions.cs b/tests/Integration.Test/StepDefinitions/DicomWebStowServiceStepDefinitions.cs
@@ -51,7 +51,7 @@ public void GivenNStudies(int studyCount, string modality, string grouping)
 
             _dataProvider.GenerateDicomData(modality, studyCount);
             _dataProvider.StudyGrouping = grouping;
-            _receivedMessages.SetupMessageHandle(_dataProvider.DicomSpecs.NumberOfExpectedRequests(grouping));
+            _receivedMessages.ClearMessages();
         }
 
         [Given(@"a workflow named '(.*)'")]