ezidam/crates/id/src/key.rs

71 lines
1.5 KiB
Rust

use super::Error;
use nanoid::nanoid;
use nanoid_dictionary::ALPHANUMERIC;
use serde::{Deserialize, Serialize};
use std::fmt::{Display, Formatter};
use std::str::FromStr;
const LENGTH: usize = 30;
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct KeyID(pub String);
impl Display for KeyID {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}
impl Default for KeyID {
fn default() -> Self {
Self(nanoid!(LENGTH, ALPHANUMERIC))
}
}
impl AsRef<str> for KeyID {
fn as_ref(&self) -> &str {
self.0.as_ref()
}
}
impl FromStr for KeyID {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
if s.len() == LENGTH && s.chars().all(|c| ALPHANUMERIC.contains(&c)) {
Ok(Self(s.to_string()))
} else {
Err(Error::Invalid("Key"))
}
}
}
#[cfg(test)]
mod tests {
use super::{KeyID, LENGTH};
use std::str::FromStr;
#[test]
fn invalid_length() {
assert!(KeyID::from_str("test").is_err());
}
#[test]
fn invalid_characters() {
let value = "abcdef!!!!!!@#$%^&*()_++zyxwvq";
assert_eq!(value.len(), LENGTH);
assert!(KeyID::from_str(value).is_err());
}
#[test]
fn valid() {
let value = "abcdefghijklmnopqrstuvwxyzabcd";
assert_eq!(value.len(), LENGTH);
let id = KeyID::from_str(value);
assert!(id.is_ok());
let id = id.unwrap();
assert_eq!(id.0, value);
}
}