public void user_without_name_is_invalid()
{
var userValidator = new UserValidator();
var user = new User();
var actual = userValidator.Validate(user);
actual
.As<InvalidUser>()
.ShouldBeEquivalentTo(new InvalidUser {Message = UserValidator.NameIsRequired});
}
public void normal_user_should_be_valid()
{
var userValidator = new UserValidator();
userValidator.Validate(new User{Name = "john"})
.Should().BeOfType<ValidUser>();
}