public void IgnorePreviousValidationResult()
{
var viewModel = new ValidatableViewModelStub();
var isFirstCall = true;
var task = Task.Run(async() =>
{
await Task.Delay(1000);
return(new List <string> {
"First Error!!!!"
});
});
viewModel.RegisterValidator(() => viewModel.PropertyToValidate1, () =>
{
if (isFirstCall)
{
isFirstCall = false;
return(task);
}
return(Task.FromResult(new List <string> {
"Second Error!!!!"
}));
});
viewModel.Validate("PropertyToValidate1");
viewModel.Validate("PropertyToValidate1");
task.Wait();
var errors = viewModel.GetErrors();
Assert.AreEqual("Second Error!!!!", errors[0]);
}
private ValidatableViewModelStub CreateTestViewModel(List <string> property1Errors, List <string> property2Errors)
{
var viewModel = new ValidatableViewModelStub();
viewModel.RegisterValidator(() => viewModel.PropertyToValidate1, () => Task.FromResult(property1Errors));
viewModel.RegisterValidator(() => viewModel.PropertyToValidate2, () => Task.FromResult(property2Errors));
return(viewModel);
}