public void TestAddShouldThrowsArgumentNullExceptionWhenShoppingCartIdIsNull()
{
//Arrange
var shoppingCartItem = new ShoppingCartItem
{
Id = 999,
ShopItemId = 999,
ShopItem = new ShopItem
{
Id = 999,
Name = "TestItem",
CategoryId = 999
},
ShoppingCartId = null !,
Amount = 1
};
var mockDatabaseContext = new Mock <IDatabaseContext>();
var sut = new ShoppingCartItemRepository(mockDatabaseContext.Object);
//Act
Assert.Throws <ArgumentNullException>(
//Assert
() => sut.Add(shoppingCartItem));
}
public void TestAddShouldThrowsArgumentExceptionWhenShopItemWithShopItemIdNotFound()
{
//Arrange
var uniqueId = Guid.NewGuid().ToString();
const string expectedExceptionMessage = "Shop Item not found with ShopItemId";
var shoppingCartItem = new ShoppingCartItem
{
Id = 999,
ShopItemId = 99,
ShopItem = new ShopItem
{
Id = 999,
Name = "TestItem",
CategoryId = 999
},
ShoppingCartId = uniqueId,
Amount = 1
};
var mockDatabaseContext = new DatabaseContext(_options);
var sut = new ShoppingCartItemRepository(mockDatabaseContext);
//Act
var exception = Assert.Throws <ArgumentException>(
//Assert
() => sut.Add(shoppingCartItem));
Assert.Equal(expectedExceptionMessage, exception.Message);
}
public void TestAddShouldIncreaseTheAmountIfEntityExists()
{
//Arrange
const int expectedShoppingCartItemsCount = 1;
const int expectedShoppingCartItemsAmount = 2;
var uniqueId = Guid.NewGuid().ToString();
var shoppingCartItem = new ShoppingCartItem
{
Id = 999,
ShopItemId = 999,
ShopItem = new ShopItem
{
Id = 999,
Name = "TestItem",
CategoryId = 999
},
ShoppingCartId = uniqueId,
Amount = 1
};
using var context = new DatabaseContext(_options);
var sut = new ShoppingCartItemRepository(context);
//Act
sut.Add(shoppingCartItem);
sut.Add(shoppingCartItem);
var result = sut.GetAll().Where(s => s.ShoppingCartId == uniqueId);
//Assert
Assert.Equal(expectedShoppingCartItemsCount, result.Count());
Assert.Equal(expectedShoppingCartItemsAmount, result.First().Amount);
}
public void TestAddShouldThrowsArgumentNullExceptionWhenShopItemIsNull()
{
//Arrange
var uniqueId = Guid.NewGuid().ToString();
var shoppingCartItem = new ShoppingCartItem
{
Id = 999,
ShopItemId = 999,
ShopItem = null !,
ShoppingCartId = uniqueId,
Amount = 1
};
var mockDatabaseContext = new Mock <IDatabaseContext>();
var sut = new ShoppingCartItemRepository(mockDatabaseContext.Object);
//Act
Assert.Throws <ArgumentNullException>(
//Assert
() => sut.Add(shoppingCartItem));
}