use std::path::Path;

#[test]
fn docker_override_exists_and_valid() {
    let path = Path::new(env!("CARGO_MANIFEST_DIR")).join("examples/systemd/docker.conf");
    assert!(path.exists(), "docker.conf template missing");
    let content = std::fs::read_to_string(&path).unwrap();
    assert!(
        content.contains("SupplementaryGroups=docker"),
        "docker.conf must grant docker group"
    );
    assert!(
        content.contains("ReadWritePaths=/var/run/docker.sock"),
        "docker.conf must allow docker socket access"
    );
    assert!(
        content.contains("[Service]"),
        "docker.conf must be a systemd unit override"
    );
}

#[test]
fn podman_override_exists_and_valid() {
    let path = Path::new(env!("CARGO_MANIFEST_DIR")).join("examples/systemd/podman.conf");
    assert!(path.exists(), "podman.conf template missing");
    let content = std::fs::read_to_string(&path).unwrap();
    assert!(
        content.contains("RestrictNamespaces=no"),
        "podman.conf must disable RestrictNamespaces"
    );
    assert!(
        content.contains("XDG_RUNTIME_DIR=/run/user/%U"),
        "podman.conf must set XDG_RUNTIME_DIR with %U"
    );
    assert!(
        content.contains("[Service]"),
        "podman.conf must be a systemd unit override"
    );
}

#[test]
fn override_templates_are_not_empty() {
    let dir = Path::new(env!("CARGO_MANIFEST_DIR")).join("examples/systemd");
    for name in ["docker.conf", "podman.conf"] {
        let path = dir.join(name);
        let meta = std::fs::metadata(&path).unwrap();
        assert!(meta.len() > 0, "{name} must not be empty");
    }
}