public void TestVisa()
{
string expected, actual;
_card = new VisaCreditCard("4111111111111111", _validator);
_validator.IsValid(Arg.Any <string>()).Returns(true);
expected = "VISA: 4111111111111111 (valid)";
actual = _card.ToString();
Assert.AreEqual(expected, actual);
_validator.IsValid(Arg.Any <string>()).Returns(false);
expected = "VISA: 4111111111111111 (invalid)";
actual = _card.ToString();
Assert.AreEqual(expected, actual);
}
public void Accept()
{
var product = _dbContext.Products.FirstOrDefault();
if (product == null || product.Quantity == 0)
{
_messageWriter.WriteLine(" No product in inventory ");
return;
}
_messageWriter.WriteLine("Name : ");
var name = _inputReader.ReadLine();
_messageWriter.WriteLine("Quantity : ");
var validQuantity = int.TryParse(_inputReader.ReadLine(), out var intQuantity);
if (!validQuantity)
{
_messageWriter.WriteLine("Invalid quantity, please try again");
return;
}
if (product.Quantity < intQuantity)
{
_messageWriter.WriteLine("Please try again with less quantity ");
return;
}
_messageWriter.WriteLine("Credit Card Number : ");
var ccNumber = _inputReader.ReadLine();
if (!_creditCardValidator.IsValid(ccNumber))
{
_messageWriter.WriteLine("Invalid Credit Card number, Please try again ");
return;
}
if (!_paymentProcessor.ChargePayment(ccNumber, intQuantity * product.Price))
{
_messageWriter.WriteLine("Could not charge your card, please try again ");
return;
}
_dbContext.Orders.Add(new Order()
{
Name = name, Quantity = intQuantity, CCNumber = ccNumber
});
product.Quantity -= intQuantity;
_dbContext.Products.Update(product);
_dbContext.SaveChanges();
_emailSender.Send("*****@*****.**",
$"An order has been placed for {product.Name} for {intQuantity}. Please ship that to {name} ");
_messageWriter.WriteLine(
$" Thanks you {name}, Your order of {product.Name}, quantity {intQuantity} is submitted successfully ");
}
static void Main(string[] args)
{
string creditCardNumber = "4539 0685 4366 1747";
ICreditCardValidator validator = CreditCardValidationFactory.Validator(CreditCardIssuerEnum.Nccc);
string validationResult = validator.IsValid(creditCardNumber) ? "有效" : "無效";
Console.WriteLine($"信用卡卡號[{creditCardNumber}] 是{validationResult}的");
Console.ReadKey();
}
protected string ToString(string cardType)
{
StringBuilder result = new StringBuilder();
result.Append(cardType);
result.Append(": ");
result.Append(_cardNumber);
int paddingLength = 28 - result.ToString().Length;
if (paddingLength > 0)
{
result.Append(new String(' ', paddingLength));
}
result.Append(_validator.IsValid(_cardNumber) ? " (valid)" : " (invalid)");
return(result.ToString());
}
public void TestIsValidReturnsTrue()
{
bool result;
result = validator.IsValid("4408041234567893");
Assert.IsTrue(result);
result = validator.IsValid("4111111111111111");
Assert.IsTrue(result);
result = validator.IsValid("4012888888881881");
Assert.IsTrue(result);
result = validator.IsValid("378282246310005");
Assert.IsTrue(result);
result = validator.IsValid("6011111111111117");
Assert.IsTrue(result);
result = validator.IsValid("5105105105105100");
Assert.IsTrue(result);
result = validator.IsValid("5105 1051 0510 5100");
Assert.IsTrue(result);
}