openpack 0.2.2

Safe archive-reader for ZIP-derived formats (ZIP, CRX, JAR, APK, IPA) with BOM-safe checks.
Documentation 
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use openpack::Limits;

    struct Scratch {
        path: std::path::PathBuf,
    }

    impl Scratch {
        fn new(suffix: &str) -> Self {
            let id = std::sync::atomic::AtomicUsize::new(0);
            let n = id.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
            let name = format!("openpack-limits-scratch-{}-{}", n, suffix);
            let path = std::env::temp_dir().join(name);
            Self { path }
        }
    }

    impl Drop for Scratch {
        fn drop(&mut self) {
            let _ = std::fs::remove_file(&self.path);
        }
    }

    fn write_file(path: &std::path::Path, data: &[u8]) {
        std::fs::write(path, data).unwrap();
    }

    #[test]
    fn loads_limits_from_embedded_toml() {
        let cfg = include_str!("../config/limits.toml");
        let parsed = Limits::from_toml(cfg).expect("valid config");
        assert!(parsed.max_entries > 0);
        assert!(parsed.max_archive_size > 0);
    }

    #[test]
    fn limits_roundtrip_from_file() {
        let fixture = Scratch::new("toml");
        write_file(
            fixture.path.as_path(),
            include_bytes!("../config/limits.toml"),
        );
        let parsed = Limits::from_toml_file(&fixture.path).expect("loaded from file");
        let defaults = Limits::builtin();
        assert_eq!(parsed.max_entries, defaults.max_entries);
        assert_eq!(parsed.max_compression_ratio, defaults.max_compression_ratio);
    }

    #[test]
    fn invalid_limits_are_rejected() {
        let raw = "max_archive_size = \"big\"";
        assert!(Limits::from_toml(raw).is_err());
    }

    #[test]
    fn strict_limits_are_tighter_than_default() {
        let strict = Limits::strict();
        let default = Limits::default();
        assert!(strict.max_archive_size < default.max_archive_size);
        assert!(strict.max_entry_uncompressed_size < default.max_entry_uncompressed_size);
        assert!(strict.max_total_uncompressed_size < default.max_total_uncompressed_size);
        assert!(strict.max_entries < default.max_entries);
        assert!(strict.max_compression_ratio < default.max_compression_ratio);
    }

    #[test]
    fn permissive_limits_are_looser_than_default() {
        let permissive = Limits::permissive();
        let default = Limits::default();
        assert!(permissive.max_archive_size > default.max_archive_size);
        assert!(permissive.max_entry_uncompressed_size > default.max_entry_uncompressed_size);
        assert!(permissive.max_total_uncompressed_size > default.max_total_uncompressed_size);
        assert!(permissive.max_entries > default.max_entries);
        assert!(permissive.max_compression_ratio > default.max_compression_ratio);
    }