public void ValidExpiryReturnsTrue()
{
string expiry = $"12/{_thisYear}";
Assert.True(
ExpiryValidator.Validate(expiry));
}
public void InvalidExpiryLengthReturnsFalse()
{
string expiry = $"122/{_thisYear}";
Assert.False(
ExpiryValidator.Validate(expiry));
}
public void InvalidExpiryYearUpperRangReturnsFalse()
{
string expiry = $"22/{_thisYear + 11}";
Assert.False(
ExpiryValidator.Validate(expiry));
}
public void InvalidExpiryMarkerReturnsFalse()
{
string expiry = $"12-{_thisYear}";
Assert.False(
ExpiryValidator.Validate(expiry));
}
/// <summary>
/// Simulates a payment authorization, invalid expiry or card number or a payment does not match the payment policy returns false as status
/// </summary>
/// <param name="paymentAuthorizationRequest"></param>
/// <returns>Indicating the current payment authorization response in <see cref="PaymentAuthorizationResponse"/>.</returns>
public PaymentAuthorizationResponse AuthorizePayment(
PaymentAuthorizationRequest paymentAuthorizationRequest)
{
// Check payment based on the payment policy
if (_paymentPolicy.MaxAllowedAmount < paymentAuthorizationRequest.Amount ||
_paymentPolicy.MinAllowedAmount > paymentAuthorizationRequest.Amount ||
_paymentPolicy.AllowedCurrencies.Count(c => c.Code == paymentAuthorizationRequest.Currency) == 0 ||
!ExpiryValidator.Validate(paymentAuthorizationRequest.Expiry) ||
!CardNumberValidator.Validate(paymentAuthorizationRequest.CardNumber))
{
return(new PaymentAuthorizationResponse(Guid.NewGuid(), false));
}
return(new PaymentAuthorizationResponse(Guid.NewGuid(), true));
}