public void HandleOrder(Order order)
{
var context = new PaymentGuardContext();
var state = new State <Order, OrderState>(order, a => a.State)
.Define(b =>
{
b.From(OrderState.Initial).To(OrderState.Paid)
.Changing(OnTransitioningStateFromInitialToPaidHandler)
.Changed(OnTransitionedStateFromInitialToPaidHandler);
b.From(OrderState.Paid).To(OrderState.Processed);
b.From(OrderState.Processed).To(OrderState.Delivered);
b.OnEnter(OrderState.Paid, Guards <OrderState> .From(context,
ValidateRequest,
PayToPaymentGateway,
PersistOrderToRepository
));
b.DisableSameStateTransitionFor(OrderState.Paid);
});
var hasChangedState = state.ChangeTo(OrderState.Paid);
//Assert.Equal(OrderState.Paid, order.State);
}