public decimal SumOfAllIngredientsForRecipe(int recipeId)
{
var data = (IEnumerable <RecipeCostComponent>)FetchData(recipeId);
return(RecipeCostCalculator.CalculateCostOfIngredients(data));
}
public void Should_Calculate_Cost_Of_Ingredients()
{
Assert.AreEqual(.68m, RecipeCostCalculator.CalculateCostOfIngredients(recipeComponents));
}