public void Validator_WhenCountryCodeIsNotSpecified_ShouldHaveValidationFailure()
{
string code = null;
string name = _fixture.Create <string>();
Country country = new Country(code, name);
_countryValidator.ShouldHaveValidationErrorFor(c => c.Code, country);
}
public void Validator_WhenPropertiesAreNull_ShouldHaveValidationFailure()
{
User user = new User(null, null, null, null);
_userValidator.ShouldHaveValidationErrorFor(u => u.FirstName, user);
_userValidator.ShouldHaveValidationErrorFor(u => u.LastName, user);
_userValidator.ShouldHaveValidationErrorFor(u => u.Email, user);
_userValidator.ShouldHaveValidationErrorFor(u => u.Country, user);
_mockCountryValidator.Verify(call => call.Validate(It.IsAny <ValidationContext>()), Times.Never());
}