public void Execute_does_not_change_state_if_condition_not_met()
{
const SaleState startState = SaleState.Open;
const SaleState endState = SaleState.Complete;
var sale = new Sale(saleId: 66) { State = startState };
var sut = new StateTransitionAutoForward<Sale, SaleState, SaleEvent>(
getStateMachine()
, triggerState: startState
, toState: endState
, condition: _ => false
, name: "test"
, priority: 1);
var result = sut.Execute(new ExecutionParameters<Sale, SaleEvent>(SaleEvent.Pay, sale), getDummyResult());
Assert.Equal(startState, sale.State);
Assert.False(result.ConditionMet);
Assert.False(result.WasTransitioned);
Assert.False(result.WasCancelled);
Assert.True(result.TransitionDefined);
Assert.Equal(startState, result.StartingState);
Assert.Equal(startState, result.PreviousState);
Assert.Equal(startState, result.CurrentState);
}
public async void Execute_changes_state_if_condition_met()
{
const SaleState startState = SaleState.Open;
const SaleState endState = SaleState.Complete;
var sale = new Sale(saleId: 66)
{
State = startState
};
var sut = new StateTransitionAutoForward <Sale, SaleState, SaleEvent>(
getStateMachine()
, triggerState: startState
, toState: endState
, conditionAsync: (sale1, token) => Task.FromResult(true)
, name: "test"
, priority: 1);
var result = await sut.ExecuteAsync(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale), getDummyResult());
Assert.True(result.WasTransitioned);
Assert.Equal(endState, sale.State);
Assert.Equal(endState, result.CurrentState);
Assert.Equal(startState, result.PreviousState);
Assert.Equal(startState, result.StartingState);
Assert.True(result.TransitionDefined);
}
public void Execute_changes_state_for_superState()
{
const SaleState startState = SaleState.Open;
const SaleState endState = SaleState.Complete;
var sale = new Sale(saleId: 66) { State = SaleState.ChangeDue };
var stateMachine = getStateMachine();
var openStateConfig = stateMachine.ConfigureState(SaleState.Open);
stateMachine.ConfigureState(SaleState.ChangeDue)
.MakeSubStateOf(openStateConfig);
var sut = new StateTransitionAutoForward<Sale, SaleState, SaleEvent>(
stateMachine
, triggerState: startState
, toState: endState
, condition: _ => true
, name: "test"
, priority: 1);
var previousResult = getDummyResult();
previousResult.CurrentState = SaleState.ChangeDue;
var result = sut.Execute(new ExecutionParameters<Sale, SaleEvent>(SaleEvent.Pay, sale), previousResult);
Assert.True(result.WasTransitioned);
Assert.Equal(endState, sale.State);
Assert.Equal(endState, result.CurrentState);
Assert.Equal(SaleState.ChangeDue, result.PreviousState);
Assert.Equal(startState, result.StartingState);
Assert.True(result.TransitionDefined);
}
public async void Execute_does_not_change_state_if_currentResult_is_null()
{
const SaleState startState = SaleState.Open;
const SaleState endState = SaleState.Complete;
var sale = new Sale(saleId: 66)
{
State = startState
};
var sut = new StateTransitionAutoForward <Sale, SaleState, SaleEvent>(
getStateMachine()
, triggerState: startState
, toState: endState
, conditionAsync: (_, cancelToken) => Task.FromResult(false)
, name: "test"
, priority: 1);
var result = await sut.ExecuteAsync(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale), currentResult : null);
Assert.Equal(startState, sale.State);
Assert.False(result.ConditionMet);
Assert.False(result.WasTransitioned);
Assert.False(result.WasCancelled);
Assert.True(result.TransitionDefined);
Assert.Equal(startState, result.StartingState);
Assert.Equal(startState, result.PreviousState);
Assert.Equal(startState, result.CurrentState);
}
