public void AddExitActionWNextState_throws_InvalidOperationException_if_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.AddExitAction(sale => Task.Delay(1), SaleState.Complete);
Assert.Throws <InvalidOperationException>(() => sut.AddExitAction(sale => Task.Delay(1), SaleState.Complete));
}
public void AddExitActionWNextState_throws_ArgumentNullException_if_Action_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.AddExitAction(action: null, nextState: SaleState.Complete));
}
public async Task ExecuteExitActionAsync_does_not_execute_if_cancelled()
{
var sale = new Sale(saleId: 96)
{
State = SaleState.ChangeDue
};
var transitionResult = new StateTransitionResult <SaleState, SaleEvent>(SaleEvent.Pay
, SaleState.Open
, SaleState.Open
, SaleState.ChangeDue
, "lastTransitionName");
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale1 => sale1.State, (sale1, newState) => sale1.State = newState);
var openState = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.Open, stateMachine);
var openExitActionFired = false;
openState.AddExitAction((sale1, _) => { openExitActionFired = true; return(Task.CompletedTask); });
using (var cancelSource = new CancellationTokenSource())
{
var parameters = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale, cancelSource.Token);
cancelSource.Cancel();
await openState.ExecuteExitActionAsync(parameters, transitionResult);
}
Assert.False(openExitActionFired);
}
public void ExecuteExitAction_executes_based_on_next_state()
{
var sale = new Sale(saleID: 96)
{
State = SaleState.ChangeDue
};
var transitionResult = new StateTransitionResult <SaleState, SaleEvent>(SaleEvent.AddItem
, SaleState.Open
, SaleState.Open
, SaleState.ChangeDue
, "lastTransitionName");
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale1 => sale1.State, (sale1, newState) => sale1.State = newState);
var openState = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.Open, stateMachine);
var openExitActionFired = false;
openState.AddExitAction(sale1 => { openExitActionFired = true; }, SaleState.ChangeDue);
openState.ExecuteExitAction(sale, transitionResult);
Assert.True(openExitActionFired);
}
public async Task ExecuteExitActionAsync_executes_based_on_next_state()
{
var sale = new Sale(saleId: 96)
{
State = SaleState.ChangeDue
};
var transitionResult = new StateTransitionResult <SaleState, SaleEvent>(SaleEvent.Pay
, SaleState.Open
, SaleState.Open
, SaleState.ChangeDue
, "lastTransitionName");
var stateMachine = new StateMachine <Sale, SaleState, SaleEvent>(sale1 => sale1.State, (sale1, newState) => sale1.State = newState);
var openState = new StateConfiguration <Sale, SaleState, SaleEvent>(SaleState.Open, stateMachine);
var openExitActionFired = false;
openState.AddExitAction((sale1, _) => { openExitActionFired = true; return(Task.CompletedTask); }, SaleState.ChangeDue);
var parameters = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale);
await openState.ExecuteExitActionAsync(parameters, transitionResult);
Assert.True(openExitActionFired);
}
