public async Task AddItemToCart_NotExistingItem_Failure()
{
using (var tester = new ShoppingCartTester())
{
// Assert
var cart = new Cart()
{
Id = "d3ab2dfa878227b15f1a0575",
Items = new List <Item>()
};
var notExistingItemId = "00002dfa878227b15f1a0000";
await tester.CartRepository.Add(cart);
var addModel = new AddItemToCartRequest()
{
CartId = cart.Id,
ItemId = notExistingItemId,
Amount = 3
};
// Act
var(result, message) = await tester.CartService.AddItemToCart(addModel);
// Assert
var resultItems = tester.CartRepository.GetAll().Result.ToList();
Assert.Empty(resultItems.First().Items);
Assert.Null(result);
Assert.NotNull(message);
}
}
public async Task CreateCart_WithoutItem_Success()
{
using (var tester = new ShoppingCartTester())
{
// Assert
var cart = new Cart()
{
Id = "d3ab2dfa878227b15f1a0575",
Items = new List <Item>()
};
// Act
await tester.CartRepository.Add(cart);
// Assert
var resultItems = tester.CartRepository.GetAll().Result.ToList();
Assert.Equal(1, resultItems.Count);
Assert.Equal(cart.Id, resultItems.First().Id);
}
}
public async Task AddItemToCart_NotExistingCart_Failure()
{
using (var tester = new ShoppingCartTester())
{
// Assert
var cartId = "16a70cb62d6a2ff9bfffe180";
var item1 = new Item()
{
Name = "Rose",
Description = "Red",
Quantity = 10,
Price = 5
};
await tester.ItemRepository.Add(item1);
tester.StockCache.SetStock(item1.Id, item1.Quantity);
var addModel = new AddItemToCartRequest()
{
CartId = cartId,
ItemId = item1.Id,
Amount = 3
};
// Act
var(result, message) = await tester.CartService.AddItemToCart(addModel);
// Assert
var cartFromDb = tester.CartRepository.Find(cartId).Result;
Assert.Null(result);
Assert.NotNull(message);
Assert.Null(cartFromDb);
}
}
public async Task AddItemToCart_EmptyCart_ExistingItem_SufficientQuantity_Success()
{
using (var tester = new ShoppingCartTester())
{
// Assert
var cartId = "16a70cb62d6a2ff9bfffe180";
var cart = new Cart()
{
Id = cartId,
Items = new List <Item>()
};
var item1 = new Item()
{
Name = "Rose",
Description = "Red",
Quantity = 10,
Price = 5
};
var item2 = new Item()
{
Name = "Daisy",
Description = "White",
Quantity = 3,
Price = 2
};
await tester.CartRepository.Add(cart);
await tester.ItemRepository.Add(item1);
await tester.ItemRepository.Add(item2);
tester.StockCache.SetStock(item1.Id, item1.Quantity);
tester.StockCache.SetStock(item2.Id, item2.Quantity);
var addModel = new AddItemToCartRequest()
{
CartId = cart.Id,
ItemId = item1.Id,
Amount = 3
};
// Act
var(result, message) = await tester.CartService.AddItemToCart(addModel);
// Assert
var cartFromDb = tester.CartRepository.Find(cartId).Result;
var remainingStock = tester.StockCache.GetStock(item1.Id);
Assert.NotNull(result);
Assert.Null(message);
Assert.NotNull(cartFromDb);
Assert.Equal(cart.Id, cartFromDb.Id);
Assert.Single(cartFromDb.Items);
Assert.Equal(item1.Id, cartFromDb.Items.First().Id);
Assert.Equal(3, cartFromDb.Items.First().Quantity);
Assert.Equal(7, remainingStock);
}
}
