public async Task RemoveCartItem_DeletesCartItem_FromDatabase()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
//Act
BookAsCartItemService service = new BookAsCartItemService(moq.Object);
BookAsCartItem cartItemToBeDeleted = moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 2);
await service.RemoveCartItem(2);
//Assert
Assert.Equal(1, moq.Object.BooksAsCartItems.Count());
}
public async Task CreateCartItem_AddsANewCartItem_ToBooksAsCartItemsTable()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
BookAsCartItemDTO new_book = new BookAsCartItemDTO()
{
Id = 3,
Price = 15,
Quantity = 4
};
//Act
BookAsCartItemService service = new BookAsCartItemService(moq.Object);
await service.CreateCartItem(new_book);
//Assert
Assert.Equal(3, moq.Object.BooksAsCartItems.Count());
}
public async Task EditCatItem_Returns_UpdatedCartItem()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
BookAsCartItemDTO cartItemToBeUpdated = new BookAsCartItemDTO()
{
Id = 1,
Quantity = 5 //we updated the Quantity of CartItem with Id 1 (we changed the Quantity from 2 to 5)
};
//Act
BookAsCartItemService service = new BookAsCartItemService(moq.Object);
BookAsCartItem cartItemWithId_1 = moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 1);
await service.EditCartItem(cartItemToBeUpdated);
//Assert
Assert.Equal(5, cartItemWithId_1.Quantity);
}
public void GetOneCartItem_WhenCalled_ReturnsOneCartItem()
{
//Arrange
var context_Moq = new DbContextMock <MyAppDbContext>(dummyOptions);
context_Moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
//Act
BookAsCartItemService service = new BookAsCartItemService(context_Moq.Object);
var chosen_Item1 = context_Moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 1);
var chosen_Item2 = context_Moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 2);
service.GetOneCartItem(1);
service.GetOneCartItem(2);
//Assert
Assert.Equal(10, chosen_Item1.Price);
Assert.Equal(2, chosen_Item1.Quantity);
Assert.Equal(20, chosen_Item2.Price);
Assert.Equal(1, chosen_Item2.Quantity);
}
public async Task GetAllCartItems_WhenCalled_ReturnsAllCartItems()
{
//Arrange
var my_Moq = new DbContextMock <MyAppDbContext>(dummyOptions);
my_Moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
//Act
BookAsCartItemService my_Service = new BookAsCartItemService(my_Moq.Object);
await my_Service.GetAllCartItems();
//Assert
Assert.NotNull(my_Moq.Object.BooksAsCartItems);
}
