Testing ModelState is always valid in asp.net mvc

Question

When testing my controller\'s actions the ModelState is always valid.

public class Product
{
    public int Id { get; set; }

    [Required]
    [StringLengt         


        

Answer 1

If you want to test your validation action's behavior you could simply add ModelStateError:

ModelState.AddModelError("Password", "The Password field is required");