public void Constructor_sets_properties()
{
SaleState StateAccessor(Sale sale) => sale.State;
void StateMutator(Sale sale, SaleState newState) => sale.State = newState;
const SaleState toState = SaleState.ChangeDue;
var sut = new StateConfigurationBaseTester <Sale, SaleState, SaleEvent>(StateAccessor
, StateMutator
, toState);
Assert.Equal(StateAccessor, sut.StateAccessor);
Assert.Equal(StateMutator, sut.StateMutator);
Assert.Equal(toState, sut.State);
}
public void AddTransition_adds_transition()
{
var transition = new StateTransition <Sale, SaleState, SaleEvent>(stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, toState: SaleState.Complete
, name: "testTransition"
, priority: 1
, condition: _ => true);
var sut = new StateConfigurationBaseTester <Sale, SaleState, SaleEvent>(stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, state: SaleState.Open);
sut.AddTransition(SaleEvent.AddItem, transition);
Assert.True(sut.ContainsTransition(SaleEvent.AddItem, transition));
}
public void AddTransition_throws_InvalidOperationException_if_transition_for_same_trigger_and_priority()
{
var transition = new StateTransition <Sale, SaleState, SaleEvent>(stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, toState: SaleState.Complete
, name: "testTransition"
, priority: 1
, condition: _ => true);
var sut = new StateConfigurationBaseTester <Sale, SaleState, SaleEvent>(stateAccessor: sale => sale.State
, stateMutator: (sale, newState) => sale.State = newState
, state: SaleState.Open);
//Succeeds first time
sut.AddTransition(SaleEvent.AddItem, transition);
Assert.True(sut.ContainsTransition(SaleEvent.AddItem, transition));
Assert.Throws <InvalidOperationException>(() => sut.AddTransition(SaleEvent.AddItem, transition));
}
