public void RunWithInvalidArgShouldThrow()
{
// Arrange
TestTrace.Arrange();
var activity = new EchoArg<int>();
using (var workflow = new WorkflowP1(activity) { Extensions = { new ListTrackingParticipant() } })
{
// Intentionally used wrong name
workflow.Inputs.Input1 = 123;
try
{
// Act
TestTrace.Act();
// Assert
TestTrace.Assert();
AssertHelper.Throws<ArgumentException>(workflow.RunAsync());
}
finally
{
TestTrace.Finally();
workflow.Trace();
}
}
}
public void CancelWithTokenSource()
{
// Arrange
TestTrace.Arrange();
var activity = new Delay { Duration = TimeSpan.FromMilliseconds(200) };
var workflow = new WorkflowP1(activity)
{
Timeout = Constants.Timeout,
Extensions =
{
new ListTrackingParticipant()
}
};
var delayExecuting = new AutoResetEvent(false);
var source = new CancellationTokenSource(Constants.Timeout);
// When the workflow is idle set an event to trigger the test to cancel
workflow.When.Idle += (sender, args) => delayExecuting.Set();
try
{
// Act
TestTrace.Act();
// Start the workflow async
var task = workflow.RunAsync(source.Token);
TestTrace.Write("Waiting for Delay activity to start executing");
var delayIsExecuting = delayExecuting.WaitOne(Constants.Timeout);
if (delayIsExecuting)
{
TestTrace.Write("Cancelling workflow via token source");
source.Cancel();
}
// Assert
TestTrace.Assert();
Assert.IsTrue(delayIsExecuting);
AssertHelper.Throws<AggregateException>(task.Wait, typeof(TaskCanceledException));
// Canceled tasks can run to completion
Assert.IsTrue(task.IsCanceled, "The task was not canceled");
Assert.IsTrue(task.IsCompleted, "Task was not completed, task status is " + task.Status.ToString());
}
finally
{
TestTrace.Finally();
workflow.Trace();
}
}
public void CancelTaskAsyncActivityViaToken()
{
// Arrange
TestTrace.Arrange();
var spinExecuting = new ManualResetEvent(false);
var completedEvent = new ManualResetEvent(false);
var notify = new SpinNotify { LoopComplete = (loops, iterations) => spinExecuting.Set() };
var cancellationHandlerClosed = new AutoResetEvent(false);
var activity = CreateSequenceWithSpinWaiter(typeof(TaskSpinWaiter));
var tracking = new ListTrackingParticipant();
var workflow = new WorkflowP1(activity)
{
Timeout = Constants.Timeout,
Extensions =
{
tracking,
notify
}
};
workflow.When.Activity.Name("CancellationHandler").Closed +=
(sender, args) => cancellationHandlerClosed.Set();
workflow.When.Completed += (sender, args) => completedEvent.Set();
var source = new CancellationTokenSource(Constants.Timeout);
try
{
// Act
TestTrace.Act();
var task = workflow.RunAsync(source.Token);
TestTrace.Write("Waiting for AsyncSpinWaiter to start executing");
Assert.IsTrue(spinExecuting.WaitOne(Constants.Timeout));
TestTrace.Write("Cancelling workflow with token");
source.Cancel();
TestTrace.Write("Waiting for workflow to execute cancellation handler");
Assert.IsTrue(cancellationHandlerClosed.WaitOne(Constants.Timeout));
TestTrace.Write("Waiting for workflow");
// Assert
TestTrace.Assert();
AssertHelper.Throws<AggregateException>(task.Wait, typeof(TaskCanceledException));
Assert.IsTrue(
tracking.Records.Any(ActivityInstanceState.Closed, "CancellationHandler"),
"The cancellation handler was not invoked");
Assert.IsTrue(task.IsCanceled);
Assert.IsTrue(task.IsCompleted);
}
finally
{
TestTrace.Finally();
workflow.Trace();
}
}
public void RunShouldRunWorkflowToCompletion()
{
// Arrange
TestTrace.Arrange();
var activity = new Sequence();
using (var workflow = new WorkflowP1(activity) { Timeout = Constants.Timeout })
{
try
{
// Act
TestTrace.Act();
var result = workflow.RunAsync().Result as WorkflowCompletedResult;
// Assert
TestTrace.Assert();
Assert.IsNotNull(result);
}
finally
{
TestTrace.Finally();
workflow.Trace();
}
}
}
public void CancelWithAsyncActivityWillCancel()
{
// Arrange
TestTrace.Arrange();
var spinExecuting = new AutoResetEvent(false);
var notify = new SpinNotify { LoopComplete = (loops, iterations) => spinExecuting.Set() };
var cancellationHandlerClosed = new AutoResetEvent(false);
var activity = CreateSequenceWithSpinWaiter(typeof(AsyncSpinWaiter));
var tracking = new ListTrackingParticipant();
var workflow = new WorkflowP1(activity)
{
Timeout = Constants.Timeout,
Extensions =
{
tracking,
notify
}
};
workflow.When.Activity.Name("CancellationHandler").Closed +=
(sender, args) => cancellationHandlerClosed.Set();
var source = new CancellationTokenSource(Constants.Timeout);
try
{
// Act
TestTrace.Act();
workflow.Until.Idle.RunAsync(source.Token);
TestTrace.Write("Waiting for AsyncSpinWaiter to start executing");
var spinWait = spinExecuting.WaitOne(TimeSpan.FromSeconds(10));
TestTrace.Write("Cancelling workflow");
source.Cancel();
var cancelInvoked = cancellationHandlerClosed.WaitOne(Constants.Timeout);
// Assert
TestTrace.Assert();
Assert.IsTrue(spinWait, "The spinExecuting event was not set");
Assert.IsTrue(cancelInvoked);
Assert.IsTrue(
tracking.Records.Any(ActivityInstanceState.Closed, "CancellationHandler"),
"The cancellation handler was not invoked");
}
finally
{
TestTrace.Finally();
workflow.Trace();
}
}