/// <summary>
///
/// </summary>
public Receipt CalculateReceipt(string[] items)
{
Receipt result = new Receipt(); //zero the result
StockKeepingUnits itemSKUs = new StockKeepingUnits();
foreach (var s in items)
{
StockKeepingUnit tempRef = fSKUs.FindSingletonSKU(s);
if (tempRef != null)
{
itemSKUs.Add(new StockKeepingUnit(tempRef));
}
else
{
result.AddRemark(String.Format("\"{0}\" was not recognised and skipped", s));
}
}
result.AddRemark(itemSKUs.ToString());
//now that we know what we are buting, we should apply the discounts
result.Subtotal = itemSKUs.Price();
DiscountResults discountResults = fDiscounts.ApplyDiscounts(itemSKUs);
result.Total = result.Subtotal - discountResults.Sum();
result.AddDiscount(discountResults.ToString());
return(result);
}
public void FindSingletonSKU_VerifyByName()
{
StockKeepingUnits target = new StockKeepingUnits(); // TODO: Initialize to an appropriate value
StockKeepingUnit wheel = new StockKeepingUnit("Wheel", 88.50);
target.Add(new StockKeepingUnit(wheel)); //because, we don't just use the same instance
target.Add(new StockKeepingUnit("Tyre", 50.00));
target.Add(new StockKeepingUnit("Tyrehorn", 11.50));
string skuname = wheel.Name; // TODO: Initialize to an appropriate value
//as we are not always returning the SAME instance, testing that would be pointless.
StockKeepingUnit expected = new StockKeepingUnit(wheel); // TODO: Initialize to an appropriate value
StockKeepingUnit actual;
actual = target.FindSingletonSKU(skuname);
Assert.AreEqual <string>(expected.Name, actual.Name);
}
public void FindSingletonSKUTest_VerifyByPrice()
{
StockKeepingUnits target = new StockKeepingUnits(); // TODO: Initialize to an appropriate value
StockKeepingUnit wheel = new StockKeepingUnit("Wheel", 88.50);
target.Add(wheel);
target.Add(new StockKeepingUnit("Tyre", 50.00));
target.Add(new StockKeepingUnit("Tyrehorn", 11.50));
string skuname = wheel.Name; // TODO: Initialize to an appropriate value
//as we are not always returning the SAME instance, testing that would be pointless.
StockKeepingUnit expected = new StockKeepingUnit(wheel); // TODO: Initialize to an appropriate value
//we have enfourced a limit that the FindSKU will return null when there is 0 or > 1 SKU
//in the list.
StockKeepingUnit actual;
actual = target.FindSingletonSKU(skuname);
Assert.IsNotNull(actual, "There was no 'actual' item instance found");
Assert.AreEqual <double>(expected.Price, actual.Price, string.Format("L: {0} - R: {1}", expected.Price, actual.Price));
}