public IDataRecipe Get(int id)
{
var success = new DataRecipe {
Id = id,
Name = "Mock Data Recipe",
};
IDataRecipe fail = null;
return(id < 0 ? fail : success);
}
public void Constructor_ThrowsArgumentNullExceptionOnDataRecipe()
{
IDataRecipe recipe = null;
List <IDataIngredient> ingredients = new List <IDataIngredient> {
new DataIngredient()
};
List <IDataRecipeIngredient> recipeIngredients = new List <IDataRecipeIngredient> {
new DataRecipeIngredient()
};
Action action = () => new Recipe(recipe, ingredients, recipeIngredients);
action();
}
public Recipe(
IDataRecipe recipe,
List <IDataIngredient> ingredients,
List <IDataRecipeIngredient> recipeIngredients)
{
if (recipe == null)
{
throw new ArgumentNullException("recipe"); //nameof(recipe)
}
if (ingredients == null)
{
throw new ArgumentNullException("ingredients"); //nameof(ingredients)
}
if (!ingredients.Any())
{
throw new ArgumentException("'ingredients' is empty.", "ingredients");
}
if (recipeIngredients == null)
{
throw new ArgumentNullException("recipeIngredients"); //nameof(recipeIngredients)
}
if (!recipeIngredients.Any())
{
throw new ArgumentException("'recipeIngredients' is empty.", "recipeIngredients");
}
// Build recipe list.
var recipeItems = new List <IIngredient>();
foreach (var recipeIngredient in recipeIngredients)
{
var dataIngredient = ingredients.Single(m => m.Id == recipeIngredient.IngredientId); //I'm being lazy...
var recipeItem = new Ingredient(
amount: recipeIngredient.Amount,
foodItem: new FoodItem(dataIngredient)
);
recipeItems.Add(recipeItem);
}
this.name = recipe.Name;
this.ingredients = recipeItems;
}