use rand::distributions::Alphanumeric;
use rand::{thread_rng, Rng};

/// Generate a random string of a given size
pub fn rand_str(len: usize) -> String {
    thread_rng()
        .sample_iter(&Alphanumeric)
        .map(char::from)
        .take(len)
        .collect()
}

#[cfg(test)]
mod test {
    use crate::utils::string_utils::rand_str;

    #[test]
    fn test_rand_str() {
        let size = 10;
        let rand = rand_str(size);
        assert_eq!(size, rand.len());
    }
}