public void HandleChange_DescendantPropertyChanged_PerformsViewModelValidation()
{
var args = ChangeArgs.PropertyChanged(PropertyStub.Of <string>(), null)
.PrependViewModel(VM)
.PrependViewModel(new ViewModelStub());
Behavior.HandleChange(Context, args);
Assert.AreEqual(HandleChangeNext + Validate + RevalidateNext, ActionLog);
}
public void PropertyChange_DoesNotInvalidateCache()
{
Behavior.GetValidationResult(Context, ValidationResultScope.All);
Counter.Invocations = 0;
Behavior.HandleChange(
Context,
ChangeArgs.PropertyChanged(PropertyStub.Of <string>(), ValueStage.ValidatedValue).PrependViewModel(ViewModelStub.Build())
);
var actualResult = Behavior.GetValidationResult(Context, ValidationResultScope.All);
var expectedResult = ValidationResult.Join(new[] { PropertyResult, ViewModelResult, DescendantResult });
Assert.AreEqual(0, Counter.Invocations);
Assert.AreEqual(expectedResult, actualResult);
}
private PropertyStub <string> CreateProperty()
{
return(PropertyStub.Of <string>());
}