internal Outcome GetTrace(TraceGroup stateTrace, TestTransition incomingTransition)
{
//Trace for InternalState
this.CurrentOutcome = this.ExpectedOutcome;
Outcome outcome = this.ExpectedOutcome;
if (!this.IsFinal)
{
outcome = this.GetTransitInTrace(stateTrace, incomingTransition);
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome;
}
if (outcome.DefaultPropogationState == OutcomeState.Completed)
{
if (this.HintTransition == null)
{
throw new InvalidOperationException(string.Format("TestStateMachineState '{0}' HintTransition is null", this.DisplayName));
}
outcome = this.GetTransitOutTrace(stateTrace);
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome;
}
}
}
else
{
this.GetStartTrace(stateTrace);
if (this.Entry != null)
{
outcome = this.Entry.GetTrace(stateTrace);
}
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome;
}
if (CurrentOutcome.DefaultPropogationState == OutcomeState.Completed)
{
this.GetCloseTrace(stateTrace);
}
else if (CurrentOutcome.DefaultPropogationState == OutcomeState.Canceled)
{
this.GetCancelTrace(stateTrace);
}
else if (CurrentOutcome is CaughtExceptionOutcome)
{
this.GetFaultTrace(stateTrace);
}
}
_iterationNumber++;
return(outcome.Propogate());
}
private void AddTransition(TestTransition transition)
{
if (transition != null)
{
_productState.Transitions.Add(transition.ProductTransition);
transition.Source = this;
}
}
protected void InsertTransition(int i, TestTransition t)
{
this.ProductState.Transitions.Insert(i, t.ProductTransition);
t.Source = this;
}
protected bool RemoveTransition(TestTransition t)
{
return(this.ProductState.Transitions.Remove(t.ProductTransition));
}
private Outcome GetTransitInTrace(TraceGroup stateTraceGroup, TestTransition incomingTransition)
{
HashSet <TestActivity> triggerHash = new HashSet <TestActivity>();
UnorderedTraces triggerTrace = new UnorderedTraces();
Outcome outcome = this.ExpectedOutcome;
this.CurrentOutcome = this.ExpectedOutcome;
this.GetStartTrace(stateTraceGroup);
outcome = this.GetEntryTrace(stateTraceGroup);
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome;
}
if (outcome.DefaultPropogationState == OutcomeState.Completed)
{
stateTraceGroup.Steps.Add(triggerTrace);
foreach (TestTransition t in this.Transitions)
{
// Shared trigger transitions
if (triggerHash.Add(t.Trigger))
{
outcome = t.GetTriggerTrace(triggerTrace);
if (outcome.DefaultPropogationState == OutcomeState.Completed)
{
outcome = t.GetConditionTrace(triggerTrace);
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome.Propogate();
}
}
else if (outcome.DefaultPropogationState == OutcomeState.Faulted || outcome is UncaughtExceptionOutcome || outcome is CaughtExceptionOutcome)
{
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome.Propogate();
}
}
// trigger cancel can mean two things:
// 1. trigger is cancelled by another trigger. This is normal behavior.
// 2. trigger is cancelled externally. In such case, Transition.ExpectedOutcome should be set to canceled.
else if (outcome.DefaultPropogationState == OutcomeState.Canceled)
{
if (t.ExpectedOutcome.DefaultPropogationState == OutcomeState.Canceled)
{
if (this.CurrentOutcome.IsOverrideable)
{
this.CurrentOutcome = outcome.Propogate();
}
}
continue;
}
}
else
{
outcome = t.GetConditionTrace(triggerTrace);
if (outcome.DefaultPropogationState != OutcomeState.Completed)
{
if (CurrentOutcome.IsOverrideable)
{
CurrentOutcome = outcome.Propogate();
}
}
}
}
}
if (this.CurrentOutcome.DefaultPropogationState == OutcomeState.Canceled)
{
this.GetCancelTrace(stateTraceGroup);
}
return(this.CurrentOutcome.Propogate());
}
protected override void GetActivitySpecificTrace(TraceGroup traceGroup)
{
// To support PartialTrust, StateMachineEventManagerFactory activity is used in Variable<StateMachineEventManager>.Default
// The code below generates the expected trace for StateMachineEventManagerFactory activity
new TestDummyTraceActivity("StateMachineEventManagerFactory").GetTrace(traceGroup);
Stack <TestStateMachineState> stack = new Stack <TestStateMachineState>();
// get trace for initial state
TestTransition fakeInitialTransition = new TestTransition("fakeinitial")
{
To = this.InitialState
};
Outcome outcome = this.ExpectedOutcome;
TraceGroup ordered = new OrderedTraces();
traceGroup.Steps.Add(ordered);
TestStateMachineState currentState = null;
TestTransition t = fakeInitialTransition;
while (t != null && t.To != null && t.To.IsFinal != true)
{
TestTransition nextTransition = null;
currentState = t.To;
OrderedTraces stateTrace = new OrderedTraces();
ordered.Steps.Add(stateTrace);
// keep HintTransition in nextTransition, because TestStateMachineState.GetTrace increases TestStateMachineState.iterationNumber
nextTransition = currentState.HintTransition;
outcome = currentState.GetTrace(stateTrace, t);
if (CurrentOutcome.IsOverrideable)
{
CurrentOutcome = outcome.Propogate();
}
if (CurrentOutcome.DefaultPropogationState != OutcomeState.Completed)
{
break;
}
t = nextTransition;
}
if (t == null || t.To == null)
{
throw new InvalidOperationException("Invalid HintTransition: null");
}
else if (CurrentOutcome.DefaultPropogationState == OutcomeState.Completed)
{
if (t.To.IsFinal == true)
{
outcome = t.To.GetTrace(traceGroup, null);
if (CurrentOutcome.IsOverrideable)
{
CurrentOutcome = outcome.Propogate();
}
}
else
{
throw new InvalidOperationException(string.Format("Invalid HintTransition: {0}", t.To.DisplayName));
}
}
// faulting and cancellation will be handled by TestActivity
}