public void Throwing_an_exception_from_an_event_handler()
{
_workflow = StateMachineWorkflow.New<SubjectWorkflow, Subject>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.Initially()
.When(e => e.Create)
.Then(i => i.Create)
.TransitionTo(s => s.Created)
.InCaseOf()
.Exception<SubjectException>()
.Then(i =>
{
_instanceHandlerCalled = true;
})
.Then(() => _handlerCalled = true)
.TransitionTo(s => s.Failed);
});
_subject = new Subject();
_instance = _workflow.GetInstance(_subject);
_instance.RaiseEvent(x => x.Create);
}
public void Throwing_an_exception_from_an_event_handler()
{
_workflow = StateMachineWorkflow.New <SubjectWorkflow, Subject>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.Initially()
.When(e => e.Create)
.Then(i => i.Create)
.TransitionTo(s => s.Created)
.InCaseOf()
.Exception <SubjectException>()
.Then(i =>
{
_instanceHandlerCalled = true;
})
.Then(() => _handlerCalled = true)
.TransitionTo(s => s.Failed);
});
_subject = new Subject();
_instance = _workflow.GetInstance(_subject);
_instance.RaiseEvent(x => x.Create);
}
public void Should_be_easy()
{
StateMachineWorkflow <RemoteRequestEngineWorkflow, RemoteRequestEngine> workflow =
StateMachineWorkflow.New <RemoteRequestEngineWorkflow, RemoteRequestEngine>(x =>
{
x.AccessCurrentState(i => i.CurrentState);
x.Initially()
.When(w => w.Start)
.TransitionTo(y => y.Running)
.When(y => y.Stop)
.TransitionTo(y => y.Stopped);
x.During(y => y.Running)
.When(y => y.Interrupted)
.Then(i => i.CancelPendingRequest)
.When(y => y.Stop)
.Then(i => i.CancelAllPendingRequests)
.TransitionTo(y => y.Stopped);
x.During(y => y.Stopped)
.When(y => y.Start)
.TransitionTo(y => y.Running)
.When(y => y.Dispose)
.Finalize();
x.Finally()
.Then(instance => Trace.WriteLine("Completed"));
});
var visitor = new TraceStateMachineVisitor();
workflow.Accept(visitor);
var engine = new RemoteRequestEngine();
WorkflowInstance <RemoteRequestEngineWorkflow> engineInstance = workflow.GetInstance(engine);
engineInstance.RaiseEvent(x => x.Start);
engineInstance.RaiseEvent(x => x.Interrupted, new InterruptImpl {
Source = "End of the world"
});
engineInstance.RaiseEvent(x => x.Stop);
engineInstance.RaiseEvent(x => x.Dispose);
Trace.WriteLine("Final State: " + engineInstance.CurrentState);
}
public void Raising_multiple_events()
{
_workflow = StateMachineWorkflow.New <TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Start)
.TransitionTo(y => y.Running);
x.During(y => y.Running)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Start);
_instance.RaiseEvent(x => x.Finish);
}
public void An_event_causing_a_state_transition()
{
_workflow = StateMachineWorkflow.New<TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Finish);
}
public void An_event_causing_a_state_transition()
{
_workflow = StateMachineWorkflow.New <TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Finish);
}
public void A_message_event_changes_the_state()
{
_workflow = StateMachineWorkflow.New <TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Finish, new Result
{
Value = "Success"
});
}
public void A_simple_event_is_raised()
{
_workflow = StateMachineWorkflow.New <TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.Then(() => _nonInstanceValue = true)
.Then(instance => instance.ConstantValue = "Success")
.TransitionTo(y => y.Completed);
});
_testInstance = new TestInstance();
_instance = _workflow.GetInstance(_testInstance);
_instance.RaiseEvent(x => x.Finish);
}
public void A_message_event_is_raised()
{
_workflow = StateMachineWorkflow.New<TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.Then(() => _nonInstanceValue = true)
.Then(instance => instance.MessageValue = "Success")
.Then((instance, message) => instance.MessageValue = message.Value)
.TransitionTo(y => y.Completed);
});
_testInstance = new TestInstance();
_instance = _workflow.GetInstance(_testInstance);
_instance.RaiseEvent(x => x.Finish, new Result
{
Value = "Success"
});
}
public void Raising_multiple_events()
{
_workflow = StateMachineWorkflow.New<TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Start)
.TransitionTo(y => y.Running);
x.During(y => y.Running)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Start);
_instance.RaiseEvent(x => x.Finish);
}
public void A_message_event_changes_the_state()
{
_workflow = StateMachineWorkflow.New<TestWorkflow, TestInstance>(x =>
{
x.AccessCurrentState(y => y.CurrentState);
x.During(y => y.Initial)
.When(y => y.Finish)
.TransitionTo(y => y.Completed);
});
_instance = _workflow.GetInstance(new TestInstance());
_instance.RaiseEvent(x => x.Finish, new Result
{
Value = "Success"
});
}
public void Should_be_easy()
{
StateMachineWorkflow <RemoteRequestEngineWorkflow, RemoteRequestEngine> workflow =
StateMachineWorkflow.New <RemoteRequestEngineWorkflow, RemoteRequestEngine>(x =>
{
x.AccessCurrentState(i => i.CurrentState);
x.Initially(c =>
{
c.When(e => e.Start, t =>
{
t.TransitionTo(y => y.Running);
});
c.When(e => e.Stop, t =>
{
t.TransitionTo(y => y.Stopped);
});
});
x.During(s => s.Running, c =>
{
c.When(e => e.Interrupted, t =>
{
t.TransitionTo(y => y.Stopped);
});
c.When(e => e.Stop, t =>
{
t.TransitionTo(y => y.Stopped);
});
});
x.During(s => s.Stopped, c =>
{
c.When(e => e.Start, t =>
{
t.TransitionTo(y => y.Running);
});
c.When(e => e.Dispose, t =>
{
t.Finalize();
});
});
x.DuringAny(c =>
{
c.When(e => e.Dispose)
.Then(() => {});
});
x.Finally(t =>
{
t.Then(instance => Trace.WriteLine("Completed"));
});
});
var visitor = new TraceStateMachineVisitor();
workflow.Accept(visitor);
var engine = new RemoteRequestEngine();
WorkflowInstance <RemoteRequestEngineWorkflow> engineInstance = workflow.GetInstance(engine);
engineInstance.RaiseEvent(x => x.Start);
engineInstance.RaiseEvent(x => x.Stop);
engineInstance.RaiseEvent(x => x.Dispose);
Trace.WriteLine("Final State: " + engineInstance.CurrentState);
}
public void Send(TChannel message)
{
_instance.RaiseEvent(_event, message);
}