func (s *ValidateTestSuite) TestCountryCodeExists() {
for _, cs := range validCases {
code := extractCountryCode(cs.Iban)
exists := country.Exists(code)
s.True(exists, "IBAN = %s", cs.Iban)
}
}
func validateCountryCode(value string) error {
code := extractCountryCode(value)
match, _ := regexp.MatchString("^[A-Z]+$", code)
if !match {
return ErrInvalidCountryCode
}
exists := country.Exists(code)
if !exists {
return ErrCountryCodeNotPresent
}
return nil
}
func validateCountryCode(value string) (string, error) {
code := extractCountryCode(value)
if code != strings.ToUpper(code) {
return "", ErrCountryCodeNotUpper
}
match, _ := regexp.MatchString("^[A-Z]+$", code)
if !match {
return "", ErrCountryCodeNotAlpha
}
exists := country.Exists(code)
if !exists {
return "", ErrCountryCodeNotPresent
}
return code, nil
}