static async Task Main(string[] args)
{
var products = new ProductModel[]
{
new ProductModel
{
ProductCode = "A",
PricePerItem = 1.25m,
PriceAtVolume = 3.00m,
VolumeThreshold = 3,
SaleType = ProductSaleType.FlatRateAndVolumePricing
},
new ProductModel
{
ProductCode = "B",
PricePerItem = 4.25m,
SaleType = ProductSaleType.FlatRate
},
new ProductModel
{
ProductCode = "C",
PricePerItem = 1.00m,
PriceAtVolume = 5.00m,
VolumeThreshold = 6,
SaleType = ProductSaleType.FlatRateAndVolumePricing
},
new ProductModel
{
ProductCode = "D",
PricePerItem = 0.75m,
SaleType = ProductSaleType.FlatRate
},
};
var terminal = new PointOfSaleTerminal();
terminal.SetPricing(products);
await terminal.ScanProductAsync("A");
await terminal.ScanProductAsync("B");
await terminal.ScanProductAsync("C");
await terminal.ScanProductAsync("D");
await terminal.ScanProductAsync("A");
await terminal.ScanProductAsync("B");
await terminal.ScanProductAsync("A");
var total = await terminal.CalculateTotalAsync();
Console.WriteLine(total);
Console.ReadLine();
}
public async Task Test_First_Sequence_ABCD_NotNull_Equals_Seven_Dollars_Twenty_Five_Cents()
{
//Arrange
var products = new ProductModel[]
{
new ProductModel
{
ProductCode = "A",
PricePerItem = 1.25m,
PriceAtVolume = 3.00m,
VolumeThreshold = 3,
SaleType = ProductSaleType.FlatRateAndVolumePricing
},
new ProductModel
{
ProductCode = "B",
PricePerItem = 4.25m,
SaleType = ProductSaleType.FlatRate
},
new ProductModel
{
ProductCode = "C",
PricePerItem = 1.00m,
PriceAtVolume = 5.00m,
VolumeThreshold = 6,
SaleType = ProductSaleType.FlatRateAndVolumePricing
},
new ProductModel
{
ProductCode = "D",
PricePerItem = 0.75m,
SaleType = ProductSaleType.FlatRate
},
};
var terminal = new PointOfSaleTerminal();
terminal.SetPricing(products);
//Act
await terminal.ScanProductAsync("A");
await terminal.ScanProductAsync("B");
await terminal.ScanProductAsync("C");
await terminal.ScanProductAsync("D");
var total = await terminal.CalculateTotalAsync();
//Assert
Assert.IsNotNull(total);
Assert.AreEqual(7.25m, total);
}