static void Main(string[] args)
{
Console.WriteLine("Welcome To Point Of Sale Terminal Service!");
var terminal = new PointOfSaleTerminalService();
terminal.SetPricing('A', 1.25, 3, 3.0);
terminal.SetPricing('B', 4.25);
terminal.SetPricing('C', 1.00, 6, 5.0);
terminal.SetPricing('D', 0.75);
Console.WriteLine("Please enter a product from following list: (A, B, C, D).");
Console.WriteLine("Enter ! to finish");
var availableProducts = new List <char>()
{
'A', 'B', 'C', 'D'
};
while (true)
{
char item = (char)Console.ReadKey().KeyChar;
Console.WriteLine();
if (item == '!')
{
break;
}
if (availableProducts.Contains(item))
{
terminal.ScanProduct(item);
}
else
{
Console.WriteLine("You entered wrong product.");
Console.WriteLine("Enter ! to finish");
continue;
}
}
double result = (double)terminal.CalculateTotal();
Console.WriteLine("Total price of items scanned is: {0:C2}", result);
}
public void Test_ScanProduct_Scans_Products()
{
_posTermService.SetPricing('A', 1.25, 3, 3.0);
_posTermService.SetPricing('B', 4.25);
_posTermService.SetPricing('C', 1.00, 6, 5.0);
_posTermService.SetPricing('D', 0.75);
_posTermService.ScanProduct('A');
_posTermService.ScanProduct('B');
_posTermService.ScanProduct('C');
_posTermService.ScanProduct('D');
_posTermService.ScanProduct('A');
_posTermService.ScanProduct('B');
_posTermService.ScanProduct('A');
Hashtable basket = _posTermService.GetProductBasket();
int countA = (int)basket['A'];
int countB = (int)basket['B'];
int countC = (int)basket['C'];
int countD = (int)basket['D'];
Assert.IsTrue(
countA == 3 &&
countB == 2 &&
countC == 1 &&
countD == 1
);
}
public void GivenProductsScanned_WhenProductsareABCDABA_Priceis1325()
{
_primeService.ClearBasket();
_primeService.ScanProduct("A");
_primeService.ScanProduct("B");
_primeService.ScanProduct("C");
_primeService.ScanProduct("D");
_primeService.ScanProduct("A");
_primeService.ScanProduct("B");
var finalPrice = _primeService.ScanProduct("A");
Assert.AreEqual(13.25m, finalPrice);
}
