faktory 0.12.3

API bindings for the language-agnostic Faktory work server
Documentation 
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use rand::{thread_rng, Rng};

const JOB_ID_LENGTH: usize = 16;

pub fn gen_random_jid() -> String {
    thread_rng()
        .sample_iter(&rand::distributions::Alphanumeric)
        .map(char::from)
        .take(JOB_ID_LENGTH)
        .collect()
}

#[cfg(test)]
mod test {
    use std::collections::HashSet;

    use super::*;

    #[test]
    fn test_jid_of_known_size_generated() {
        let jid1 = gen_random_jid();
        let jid2 = gen_random_jid();
        assert_ne!(jid1, jid2);
        println!("{}", jid1);
        assert_eq!(jid1.len(), JOB_ID_LENGTH);
        assert_eq!(jid2.len(), JOB_ID_LENGTH);
    }

    #[test]
    fn test_jids_are_unique() {
        let mut ids = HashSet::new();

        ids.insert("IYKOxEfLcwcgKaRa".to_string());
        ids.insert("IYKOxEfLcwcgKaRa".to_string());
        assert_ne!(ids.len(), 2);

        ids.clear();

        for _ in 0..1_000_000 {
            let jid = gen_random_jid();
            ids.insert(jid);
        }
        assert_eq!(ids.len(), 1_000_000);
    }
}