public void ApplyBitterToRecipe()
{
RecipeFactory myFactory = new RecipeFactory();
IRecipe myRecipe = myFactory.GetRecipe(RecipeTypes.Beer);
IngredientFactory myIngredientFactory = new IngredientFactory();
var ingredient = myIngredientFactory.GetIngredient(IngredientType.Fermentable);
ingredient.Amount = 10;
(ingredient as IFermentable).DiastaticPower = 1.04;
myRecipe.Ingredients.Add(ingredient);
//adding bitters is just a test for my sanity in querying interfaces and dealing with Covariance
//note it will be repeated on the IBU calculation as the fermentable power impacts bitterness
ingredient = myIngredientFactory.GetIngredient(IngredientType.BitterSeason);
ingredient.Amount = 1.5;
(ingredient as IBitter).BitteringFactor = 15;
(ingredient as IBitter).BitterCalculationTime = 60;
myRecipe.Ingredients.Add(ingredient);
myRecipe.BatchVolume = 6.5;
myRecipe.TotalEfficiencyPercent = 70;
var ibus = myRecipe.GetEstimatedBitterness();
Assert.AreEqual(myRecipe.Bitters.Count, 1);
//May need to check formula. BeerSmith usually is a little higher. BeerSmith has been known to tweak their forumulas though.
Assert.AreEqual(63.81, Math.Round(ibus, 2));
}