48 lines
927 B
Rust
48 lines
927 B
Rust
use validator::validate_email;
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#[derive(Debug)]
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pub struct UserEmail(pub String);
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impl UserEmail {
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pub fn parse(s: String) -> Result<UserEmail, String> {
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if s.trim().is_empty() {
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return Err("Email can not be empty or whitespace".to_string());
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}
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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("Invalid email".to_string())
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}
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}
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}
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impl AsRef<str> for UserEmail {
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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::*;
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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!(UserEmail::parse(email).is_err());
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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 = "helloworld.com".to_string();
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assert!(UserEmail::parse(email).is_err());
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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!(UserEmail::parse(email).is_err());
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}
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}
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