public void Execute_transitions_based_on_stateFunc()
{
var sut = new StateTransitionDynamic <Sale, SaleState, SaleEvent>(
stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, stateFunc: sale => SaleState.Complete
, name: "test"
, priority: 1);
var testSale = new Sale(saleId: 87)
{
State = SaleState.Open
};
var parameters = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, testSale);
var result = sut.Execute(parameters);
Assert.Equal(SaleState.Complete, testSale.State);
Assert.Equal(SaleState.Complete, result.CurrentState);
Assert.Equal(SaleState.Open, result.PreviousState);
}
public void Execute_sends_notification_if_new_state_assigned()
{
var sut = new StateTransitionDynamic <Sale, SaleState, SaleEvent>(
stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, stateFunc: (sale) => SaleState.Complete
, name: "test"
, priority: 1);
var notificationReceived = false;
StateTransitionDynamic <Sale, SaleState, SaleEvent> .OnTransitionedEvent += (sale, _) => notificationReceived = true;
var testSale = new Sale(saleID: 87)
{
State = SaleState.Open
};
var parameters = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, testSale);
sut.Execute(parameters);
Assert.True(notificationReceived);
}
public void Execute_treats_lack_of_transitions_as_failed_condition()
{
var sut = new StateTransitionDynamic <Sale, SaleState, SaleEvent>(
stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, stateFunc: sale => SaleState.Open
, name: "test"
, priority: 1);
var testSale = new Sale(saleId: 87)
{
State = SaleState.Open
};
var parameters = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, testSale);
var result = sut.Execute(parameters);
Assert.False(result.ConditionMet);
Assert.False(result.WasTransitioned);
Assert.False(result.WasCancelled);
Assert.Equal(SaleState.Open, testSale.State);
Assert.Equal(SaleState.Open, result.CurrentState);
Assert.Equal(SaleState.Open, result.PreviousState);
}