fj/src/api/mod.rs

pub mod issue;
pub mod pull;
pub mod repo;
pub mod user;

use anyhow::{anyhow, Result};

/// Split an `owner/name` slug. Returns a helpful error if the form is wrong.
pub fn split_repo(repo: &str) -> Result<(&str, &str)> {
    repo.split_once('/')
        .filter(|(o, n)| !o.is_empty() && !n.is_empty())
        .ok_or_else(|| anyhow!("expected '<owner>/<name>', got '{repo}'"))
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn parses_normal_slug() {
        let (o, n) = split_repo("rasterstate/fj").unwrap();
        assert_eq!(o, "rasterstate");
        assert_eq!(n, "fj");
    }

    #[test]
    fn rejects_missing_slash() {
        assert!(split_repo("fj").is_err());
    }

    #[test]
    fn rejects_empty_owner() {
        assert!(split_repo("/fj").is_err());
    }

    #[test]
    fn rejects_empty_name() {
        assert!(split_repo("rasterstate/").is_err());
    }
}