public async Task Can_Add_Quantity_For_Existing_Lines()
{
var options = new DbContextOptionsBuilder <SportStoreDbContext>()
.UseInMemoryDatabase(databaseName: "Can_Add_Quantity_For_Existing_Lines")
.Options;
Product p1 = new Product {
Id = 1, Name = "P1"
};
Product p2 = new Product {
Id = 2, Name = "P2"
};
using (var context = new SportStoreDbContext(options))
{
var service = new CardService(context);
await service.AddItem(p1, 1);
await service.AddItem(p2, 1);
await service.AddItem(p1, 10);
var result = context.CardItems.ToArray();
Assert.Equal(2, result.Length);
Assert.Equal(11, result[0].Quantity);
Assert.Equal(1, result[1].Quantity);
}
}