mod tests {
    use super::*;

    #[test]
    fn embedded_defaults_are_valid() {
        let config = Config::embedded().unwrap();
        assert_eq!(
            config.repository_url,
            "https://git.linuxiarz.pl/gru/RustProxy"
        );
        assert_eq!(
            config.version_url,
            "https://git.linuxiarz.pl/gru/RustProxy/raw/branch/master/Cargo.toml"
        );
        assert_eq!(config.interval_seconds, 3600);
    }

    #[test]
    fn reads_package_version_only() {
        let document = r#"[workspace.package]
version = "99.0.0"

[package]
name = "rust-proxy"
version = "0.19.4"

[dependencies]
foo = { version = "100.0.0" }
"#;
        assert_eq!(package_version(document).unwrap(), "0.19.4");
    }

    #[test]
    fn update_redirects_accept_relative_https_and_reject_unsafe_targets() {
        let base =
            Url::parse("https://updates.example.invalid/releases/current/Cargo.toml").unwrap();
        assert_eq!(
            redirect_target(&base, "../next/Cargo.toml")
                .unwrap()
                .as_str(),
            "https://updates.example.invalid/releases/next/Cargo.toml"
        );
        assert!(redirect_target(&base, "ftp://updates.example.invalid/Cargo.toml").is_err());
        assert!(redirect_target(&base, "http://updates.example.invalid/Cargo.toml").is_err());
        assert!(redirect_target(
            &base,
            "https://user:secret@updates.example.invalid/Cargo.toml"
        )
        .is_err());
    }

    #[test]
    fn compares_release_versions() {
        assert!(is_newer_version("0.19.5", "0.19.4"));
        assert!(is_newer_version("0.20.0", "0.19.9"));
        assert!(!is_newer_version("0.19.4", "0.19.4"));
        assert!(!is_newer_version("0.19.3", "0.19.4"));
        assert!(is_newer_version("0.19.4", "0.19.4-rc.1"));
        assert!(!is_newer_version("0.19.4-rc.1", "0.19.4"));
    }
}