#[cfg(test)]
mod tests {
    #[test]
    fn dockerfile_is_multi_stage_and_builds_selected_binary() {
        let raw = std::fs::read_to_string("../docker/Dockerfile.rust").unwrap();
        assert!(raw.contains("AS builder"));
        assert!(raw.contains("FROM debian:"));
        assert!(raw.contains("ARG PACKAGE"));
        assert!(raw.contains("ARG BIN"));
        assert!(raw.contains("cargo build -p ${PACKAGE} --bin ${BIN} --release"));
        assert!(raw.contains("COPY --from=builder"));
        assert!(raw.contains("ENTRYPOINT"));
        assert!(raw.contains("FROM"));
    }

    #[test]
    fn docker_compose_is_valid_yaml_and_has_services() {
        let raw = std::fs::read_to_string("../docker-compose.yml").unwrap();
        let doc: serde_yaml::Value = serde_yaml::from_str(&raw).unwrap();
        let services = doc.get("services").and_then(|v| v.as_mapping()).unwrap();
        assert!(services.contains_key(serde_yaml::Value::from("nats")));
        assert!(services.contains_key(serde_yaml::Value::from("aggregate")));
    }
}