public void PriceFormula_CalculateProductTotalCost_Should_Return_CorrectValue_When_DecimalPricePartsAreGiven(decimal basePrice, decimal vatRate, decimal priceModifier)
{
var priceFormulaCalculation = new PriceFormula();
var calculatedCost = priceFormulaCalculation.CalculateProductTotalCost(basePrice, vatRate, priceModifier);
var expectedCost = PriceFormula(basePrice, vatRate, priceModifier);
Assert.AreEqual(expectedCost, calculatedCost);
}
private PriceCalculator GetPriceCalculator(PriceFormula priceFormula)
{
switch (priceFormula)
{
case PriceFormula.Close: return DataUtilities.PriceUtilities.Close;
case PriceFormula.High: return DataUtilities.PriceUtilities.High;
case PriceFormula.Low: return DataUtilities.PriceUtilities.Low;
case PriceFormula.Open: return DataUtilities.PriceUtilities.Open;
case PriceFormula.TypicalPrice: return DataUtilities.PriceUtilities.TypicalPrice;
case PriceFormula.MedianPrice: return DataUtilities.PriceUtilities.MedianPrice;
case PriceFormula.WeightedPrice: return DataUtilities.PriceUtilities.WeightedPrice;
default: throw new NotSupportedException();
}
}
public IList<double> AddMovingAverageCalculator(MovingAverageType type, int period, PriceFormula formula)
{
IMovingAverageCalculator ma;
switch (type)
{
case MovingAverageType.Simple :
ma = new SimpleMACalculator();
break;
case MovingAverageType.Exponential:
ma = new ExponentialMACalculator();
break;
default: throw new NotImplementedException();
}
int id = _dataCollection.AddMovingAverageCollection();
_movingAverageCalculators.Add(id, new KeyValuePair<PriceCalculator, IMovingAverageCalculator>(GetPriceCalculator(formula), ma));
IList<double> values = _dataCollection.GetMovingAverageCollection(id);
System.Diagnostics.Debug.Assert(values != null);
if (values == null)
throw new InvalidOperationException();
ma.Initialize(period);
return values;
}
public MovingAverageObject()
{
Period = 1;
PriceType = PriceFormula.Close;
}
public MovingAverageDefinition(MovingAverageType type, int period, PriceFormula formula)
{
MovingAverageType = type;
Period = period;
Formula = formula;
}
