public void Apply_Changes_Should_Mark_Added_Customer_As_Added_And_Unchanged_Setting_Order_OrderDetail_As_Added()
{
// NOTE: Customer is added, Order and OrderDetail are added due to 1-M relation
// Arrange
var context = TestsHelper.CreateNorthwindDbContext(CreateNorthwindDbOptions);
var nw = new MockNorthwind();
var customer = nw.Customers[0];
customer.TrackingState = TrackingState.Added;
var customerSetting = new CustomerSetting() { CustomerId = customer.CustomerId, Setting = "Setting1" };
customer.CustomerSetting = customerSetting;
var order = new Order() { OrderDate = DateTime.Now };
customer.Orders = new List<Order>() { order };
var orderDetail = new OrderDetail() { ProductId = nw.Products[0].ProductId, Quantity = 1, UnitPrice = 1 };
order.OrderDetails = new List<OrderDetail>() { orderDetail };
// Act
context.ApplyChanges(customer);
// Assert
Assert.AreEqual(EntityState.Added, context.Entry(customer).State);
Assert.AreEqual(EntityState.Added, context.Entry(customerSetting).State);
Assert.AreEqual(EntityState.Added, context.Entry(order).State);
Assert.AreEqual(EntityState.Added, context.Entry(orderDetail).State);
}
private static void EnsureTestCustomerSetting(NorthwindDbContext context, string customerId)
{
var setting = context.CustomerSettings
.SingleOrDefault(c => c.CustomerId == customerId);
if (setting == null)
{
setting = new CustomerSetting { CustomerId = customerId, Setting = "Setting1" };
context.CustomerSettings.Add(setting);
}
}
