mod commit {
    use crate::{commit, Commit};

    #[test]
    fn should_return_sha() {
        let sha = commit::Sha::new("sha".to_string());
        let message = commit::Message::new("message".to_string());
        let commit = Commit::new(sha.clone(), message);

        assert_eq!(commit.sha(), &sha);
    }
    #[test]
    fn should_return_message() {
        let sha = commit::Sha::new("sha".to_string());
        let message = commit::Message::new("message".to_string());
        let commit = Commit::new(sha, message.clone());

        assert_eq!(commit.message(), &message);
    }
}