77 lines
2 KiB
Rust
77 lines
2 KiB
Rust
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use validator::validate_email;
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#[derive(Debug)]
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pub struct SubscriberEmail(String);
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impl SubscriberEmail {
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pub fn parse(s: String) -> Result<SubscriberEmail, String> {
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if validate_email(&s) {
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Ok(Self(s))
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} else {
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Err(format!("{} is not a valid subscriber email.", s))
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}
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}
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}
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impl AsRef<str> for SubscriberEmail {
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fn as_ref(&self) -> &str {
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&self.0
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}
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}
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#[cfg(test)]
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mod tests {
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use super::SubscriberEmail;
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use claims::assert_err;
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use fake::faker::internet::en::SafeEmail;
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use fake::Fake;
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use rand::{rngs::StdRng, SeedableRng};
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#[derive(Debug, Clone)]
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struct ValidEmailFixture(pub String);
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impl quickcheck::Arbitrary for ValidEmailFixture {
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fn arbitrary(g: &mut quickcheck::Gen) -> Self {
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let mut rng = StdRng::seed_from_u64(u64::arbitrary(g));
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let email = SafeEmail().fake_with_rng(&mut rng);
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Self(email)
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}
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}
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#[quickcheck_macros::quickcheck]
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fn valid_emails_are_parsed_successfully(valid_email: ValidEmailFixture) -> bool {
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dbg!(&valid_email.0);
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SubscriberEmail::parse(valid_email.0).is_ok()
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}
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#[test]
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fn empty_string_is_rejected() {
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let email = "".to_string();
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assert_err!(SubscriberEmail::parse(email));
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}
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#[test]
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fn email_missing_at_symbol_is_rejected() {
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let email = "ursuladomain.com".to_string();
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assert_err!(SubscriberEmail::parse(email));
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}
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#[test]
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fn email_missing_subject_is_rejected() {
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let email = "@domain.com".to_string();
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assert_err!(SubscriberEmail::parse(email));
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}
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#[test]
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fn email_sharp_s_prefix_is_rejected() {
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let email = "joe.ßchmidt@example.com".to_string();
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assert_err!(SubscriberEmail::parse(email));
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}
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#[test]
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fn email_with_invalid_characters_is_rejected() {
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let email = "joe.smith@ex ample.com".to_string();
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assert_err!(SubscriberEmail::parse(email));
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}
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}
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