public void DiscountTest()
{
Receipt target = new Receipt(); // TODO: Initialize to an appropriate value
StringBuilder expected = new StringBuilder();
//not in order on purpose.
expected.Append(TEST1);
expected.AppendFormat("\r\n{0}", TEST3);
expected.AppendFormat("\r\n{0}", TEST2);
expected.AppendFormat("\r\n{0}", TEST4);
//configure remarks
target.AddDiscount(TEST1);
target.AddDiscount(TEST3);
target.AddDiscount(TEST2);
target.AddDiscount(TEST4);
string actual;
actual = target.Discount;
string temp = expected.ToString();
Assert.AreEqual(temp.Length, actual.Length);
Assert.AreEqual(temp.CompareTo(actual), 0);
Assert.AreEqual <string>(temp, actual);
}
/// <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 AddDiscountTest()
{
Receipt target = new Receipt(); // TODO: Initialize to an appropriate value
string discount = TEST1; // TODO: Initialize to an appropriate value
target.AddDiscount(TEST1);
Assert.AreEqual <string>(target.Discount, discount);
}
public void HandleOffers(Receipt receipt, Dictionary <Product, Offer> offers, ISupermarketCatalog catalog)
{
foreach (var p in productQuantities.Keys)
{
double quantity = productQuantities[p];
if (offers.ContainsKey(p))
{
var offer = offers[p];
var unitPrice = catalog.GetUnitPrice(p);
var quantityAsInt = (int)quantity;
Discount discount = null;
int x = 1;
if (offer.OfferType == SpecialOfferType.ThreeForTwo)
{
x = 3;
}
else if (offer.OfferType == SpecialOfferType.TwoForAmount)
{
x = 2;
if (quantityAsInt >= 2)
{
var total = offer.Argument * (quantityAsInt / x) + quantityAsInt % 2 * unitPrice;
var discountN = unitPrice * quantity - total;
discount = new Discount(p, "2 for " + offer.Argument, discountN);
}
}
if (offer.OfferType == SpecialOfferType.FiveForAmount)
{
x = 5;
}
int numberOfXs = quantityAsInt / x;
if (offer.OfferType == SpecialOfferType.ThreeForTwo && quantityAsInt > 2)
{
var discountAmount = quantity * unitPrice -
((numberOfXs * 2 * unitPrice) + quantityAsInt % 3 * unitPrice);
discount = new Discount(p, "3 for 2", discountAmount);
}
if (offer.OfferType == SpecialOfferType.TenPercentDiscount)
{
discount = new Discount(p, offer.Argument + "% off", quantity * unitPrice * offer.Argument / 100.00);
}
if (offer.OfferType == SpecialOfferType.FiveForAmount && quantityAsInt >= 5)
{
var discountTotal = unitPrice * quantity -
(offer.Argument * numberOfXs + quantityAsInt % 5 * unitPrice);
discount = new Discount(p, x + " for " + offer.Argument, discountTotal);
}
if (discount != null)
{
receipt.AddDiscount(discount);
}
}
}
}
public void DiscountTest2()
{
Receipt target = new Receipt(); // TODO: Initialize to an appropriate value
StringBuilder expected = new StringBuilder();
//not in order on purpose.
expected.AppendLine(TEST1);
expected.AppendLine(TEST2);
expected.AppendLine(TEST3);
expected.AppendLine(TEST4);
//configure remarks
target.AddDiscount(TEST1);
target.AddDiscount(TEST3);
target.AddDiscount(TEST2);
target.AddDiscount(TEST4);
string actual;
actual = target.Discount;
Assert.AreNotEqual <string>(expected.ToString(), actual);
}