public void AddAutoFallbackTransitionWPreviousState_throws_InvalidOperationException_if_AutoTransition_already_set()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
sut.AddAutoFallbackTransition(SaleEvent.Pay, SaleState.Open, _ => true);
Assert.Throws <InvalidOperationException>(() => sut.AddAutoFallbackTransition(SaleEvent.Pay, SaleState.Open, _ => true));
}
public void AddAutoFallbackTransitionWRequest_throws_InvalidOperationException_if_AutoTransition_already_set()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
sut.AddAutoFallbackTransition <string>(SaleEvent.Pay, SaleState.ChangeDue, (sale, stringParam, _) => Task.FromResult(result: true));
Assert.Throws <InvalidOperationException>(() => sut.AddAutoFallbackTransition <string>(SaleEvent.Pay, SaleState.ChangeDue, (sale, stringParam, _)
=> Task.FromResult(result: true)));
}
public void AddAutoFallbackTransitionWRequestPreviousState_throws_ArgumentNullException_if_Condition_null()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
Assert.Throws <ArgumentNullException>(() => sut.AddAutoFallbackTransition(SaleEvent.Pay, SaleState.Open, condition: (null as Func <Sale, string, bool>)));
}
public void AddAutoFallbackTransitionWPreviousState_throws_ArgumentNullException_if_Condition_null()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
Assert.Throws <ArgumentNullException>(() => sut.AddAutoFallbackTransition(SaleEvent.Pay, SaleState.Complete, condition: null, previousState: SaleState.Open));
}
public void AddAutoFallbackTransitionWRequest_adds_transition()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
sut.AddAutoFallbackTransition <string>(SaleEvent.Pay, SaleState.ChangeDue, (sale, s, _) => Task.FromResult(result: true));
Assert.Single(((StateConfiguration <Sale, SaleState, SaleEvent>)stateMachine.ConfigureState(SaleState.ChangeDue)).AutoTransitions);
}
public void AddAutoFallbackTransition_with_previousState_adds_transition_to_both_states()
{
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale => sale.State, (sale, newState) => sale.State = newState);
var sut = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.ChangeDue, stateMachine);
sut.AddAutoFallbackTransition(SaleEvent.Pay, SaleState.Complete, SaleState.ChangeDue, condition: sale => true);
Assert.Single(sut.Transitions);
StateConfiguration <Sale, SaleState, SaleEvent> tempStateConfig = stateMachine.ConfigureState(SaleState.Complete) as StateConfiguration <Sale, SaleState, SaleEvent>;
Assert.Single(tempStateConfig.AutoTransitions);
}
