public void Calculate_Price_Of_CartItem()
{
//Assemble
//set up test data
List <DishIngredient> dishIngredients = new List <DishIngredient>()
{
new DishIngredient()
{
DishId = 1, IngredientId = 1
},
};
IQueryable <Dish> dishData = new List <Dish>()
{
new Dish()
{
DishId = 1, Price = 50, DishIngredients = dishIngredients
},
new Dish()
{
DishId = 2, Price = 60, DishIngredients = new List <DishIngredient>()
}
}.AsQueryable();
IQueryable <Ingredient> ingredientData = new List <Ingredient>()
{
new Ingredient()
{
IngredientId = 1, Price = 5
},
new Ingredient()
{
IngredientId = 2, Price = 10
}
}.AsQueryable();
//set up database
var mockDishSet = DbMockHelper.CreateMockDbSet(dishData);
var mockIngredientSet = DbMockHelper.CreateMockDbSet(ingredientData);
Mock <WebshopDbContext> dbContext = new Mock <WebshopDbContext>();
dbContext.Setup(c => c.Dishes).Returns(mockDishSet.Object);
dbContext.Setup(c => c.Ingredients).Returns(mockIngredientSet.Object);
//create service
CartService cartService = new CartService(dbContext.Object, InjectionMockHelper.CreateMockHttpAccessor().Object);
//create cart
CartItem unaltered = new CartItem(dishData.First()); //price: 50
unaltered.Ingredients.Add(ingredientData.First(x => x.IngredientId == 1)); //+ 0
CartItem hasHadRemoved = new CartItem(dishData.First(x => x.DishId == 1)); //price: 50
CartItem hasHadAdded = new CartItem(dishData.First(x => x.DishId == 2)); //price: 60
hasHadAdded.Ingredients.Add(ingredientData.First(x => x.IngredientId == 1)); //+5
hasHadAdded.Ingredients.Add(ingredientData.First(x => x.IngredientId == 2)); //+10
//Act
int actual1 = cartService.CalculatePrice(unaltered);
int actual2 = cartService.CalculatePrice(hasHadRemoved);
int actual3 = cartService.CalculatePrice(hasHadAdded);
//Assert
Assert.Equal(50, actual1);
Assert.Equal(50, actual2);
Assert.Equal(75, actual3);
}