public void TestGetTotalPriceAppliedDiscountIrrespectiveOfScannedOrder( )
{
var rules = TestAssistant.CreateRulesFromTexFile( );
var SKUAs = TestAssistant.StockKeepingUnits(4, "A", 50).ToList( );
var SKUBs = TestAssistant.StockKeepingUnits(5, "B", 30).ToList( );
var SKUCs = TestAssistant.StockKeepingUnits(1, "C", 20).ToList( );
var SKUDs = TestAssistant.StockKeepingUnits(2, "D", 15).ToList( );
// Apply discount rule to the product
ApplyDiscountToProducts(SKUAs, rules[0]);
ApplyDiscountToProducts(SKUBs, rules[1]);
var productInvent = SKUAs.Concat(SKUBs).Concat(SKUCs).Concat(SKUDs);
var checkOut = new Checkout(productInvent, new DiscountApplicator(rules));
var expected = 350;
List <StockKeepingUnit> shuffledList = new List <StockKeepingUnit>(productInvent);
TestAssistant.ShuffleStockKeepingUnitList(ref shuffledList);
foreach (var item in shuffledList)
{
checkOut.Scan(item.Name);
}
var actual = checkOut.GetTotalPrice( );
Assert.AreEqual(expected, actual);
}
