public void WhenSendStubInvokedSimulatesCommunicationException()
{
// Arrange
var xamlInjector = new XamlInjector(Constants.ActivityWithSendCatchCommExceptionXaml);
xamlInjector.ReplaceAll(typeof(Send), typeof(SendStub));
var sut = xamlInjector.GetActivity();
var host = new WorkflowInvokerTest(sut);
var stubExtension = new MessagingStubExtension();
// Add an implementation that will simulate a bad URI for the activity
// Note: If the DisplayName is not set, the name will be the name of the SendStub activity
stubExtension.SetImplementation("SendStub", () => { throw new EndpointNotFoundException(); });
host.Extensions.Add(stubExtension);
try
{
// Act
host.TestActivity();
// Assert
// Shows that the SendStub activity was used
host.Tracking.Assert.Exists("SendStub", ActivityInstanceState.Executing);
host.Tracking.Assert.DoesNotExist("Send", ActivityInstanceState.Closed);
host.AssertOutArgument.IsTrue("CatchHandled");
host.AssertOutArgument.IsInstanceOfType("CaughtException", typeof(EndpointNotFoundException));
}
finally
{
Trace.WriteLine("*** Messaging Stub Dump");
stubExtension.Trace();
Trace.WriteLine("\r\n*** Workflow Tracking Records");
host.Tracking.Trace();
}
}
public void CanSimulateSendFailure()
{
// Arrange
var xamlInjector = new XamlInjector(@"MockingMessagingActivities\ServiceWithSend.xamlx");
// Setup the XamlInjector to replace the receive / send activities
xamlInjector.ReplaceAll(typeof(Receive), typeof(ReceiveStub));
xamlInjector.ReplaceAll(typeof(SendReply), typeof(SendReplyStub));
xamlInjector.ReplaceAll(typeof(Send), typeof(SendStub));
xamlInjector.ReplaceAll(typeof(ReceiveReply), typeof(ReceiveReplyStub));
// Access the workflow service Body activity for testing with WorkflowInvoker
var host = WorkflowInvokerTest.Create(xamlInjector.GetWorkflowService().Body);
// Setup the extension
var stubExtension = new MessagingStubExtension();
// The first receive will start the process
stubExtension.EnqueueReceive(this.serviceContractName, "GetData", 123);
// The first send will result in an exception
stubExtension.SetImplementation("Send Primary", () => { throw new EndpointNotFoundException(); });
// The second send should succeed
// The next receive reply should simulate data from the backup service
stubExtension.EnqueueReceiveReply(this.serviceContractName, "GetData", BackupResponse);
host.Extensions.Add(stubExtension);
try
{
host.TestActivity();
// Assert
// The final reply is "Backup 123"
Assert.AreEqual(BackupResponse, stubExtension.Messages[4].Content);
}
finally
{
Trace.WriteLine("*** Messaging Stub Dump");
stubExtension.Trace();
Trace.WriteLine("\r\n*** Workflow Tracking Records");
host.Tracking.Trace();
}
}