private static LoginViewModel CreateSut(
IHudUtility hudUtility = null,
IAlertUtility alertUtility = null,
ICredentialStorage credentialStorage = null,
ICredentialValidator credentialValidator = null,
IBackgroundSyncUtility backgroundSync = null
)
{
if (credentialValidator == null)
{
credentialValidator = Substitute.For <ICredentialValidator>();
credentialValidator.ValidateAsync(Arg.Any <Credentials>())
.Returns(Task.FromResult(Result.Success));
}
if (credentialStorage == null)
{
credentialStorage = Substitute.For <ICredentialStorage>();
credentialStorage.SaveCredentialsAsync(Arg.Any <Credentials>())
.Returns(Task.FromResult(Result.Success));
}
return(new LoginViewModel(
credentialValidator,
credentialStorage,
hudUtility ?? Substitute.For <IHudUtility>(),
alertUtility ?? Substitute.For <IAlertUtility>(),
backgroundSync ?? Substitute.For <IBackgroundSyncUtility>()
));
}
internal async Task SignInAsync()
{
try
{
IsBusy = true;
_hud.Show(LoginMessage);
var credentials = new Credentials(UserName, Password);
Result validationResult = await _credentialValidator.ValidateAsync(credentials)
.ConfigureAwait(false);
if (!validationResult.IsSuccessful)
{
_alerts.ShowError(validationResult.ErrorMessage);
return;
}
var saveResult = await _credentialStorage.SaveCredentialsAsync(credentials)
.ConfigureAwait(false);
if (!saveResult.IsSuccessful)
{
_alerts.ShowError(saveResult.ErrorMessage);
return;
}
_backgroundSync.Enable();
SignedIn?.Invoke(this, EventArgs.Empty);
}
finally
{
_hud.Dismiss();
IsBusy = false;
}
}
