public void Verify_Price_Before_Tax()
{
var calc = new RecipeCalculator();
var quantity = 2;
var chicken = new IngredientBO()
{
Id = 1,
ProductId = 4,
Quantity = quantity,
RecipeId = 1,
UnitType = Enums.UnitTypes.None
};
var expected = (quantity * 2.19m);
decimal beforeTax = calc.BeforeTaxPrice(chicken);
Assert.IsNotNull(beforeTax);
Assert.AreEqual(expected, beforeTax);
}
public void Verify_Tax_Rate_Is_Correct()
{
var calc = new RecipeCalculator();
var chicken = new IngredientBO()
{
Id = 1,
ProductId = 4,
Quantity = 17,
RecipeId = 1,
UnitType = Enums.UnitTypes.None
};
decimal beforeTax = calc.BeforeTaxPrice(chicken);
decimal afterTax = calc.ApplySalesTax(beforeTax);
var percentageDifference = Math.Round((Math.Round((afterTax - beforeTax), 2) / beforeTax), 3) * 100;
Assert.IsNotNull(beforeTax);
Assert.IsNotNull(afterTax);
Assert.IsNotNull(percentageDifference);
Assert.AreEqual(TaxRate, percentageDifference);
}
public decimal BeforeTaxPrice(IngredientBO ingredient)
{
var product = new Repository<Product, long>().GetById(ingredient.ProductId);
return Math.Round((ingredient.Quantity * product.Price), 2);
}