{
  liminix
, nixpkgs
}:
let img = (import liminix {
      device = import "${liminix}/devices/qemu/";
      liminix-config = ./configuration.nix;
    }).outputs.default;
    pkgs = import <nixpkgs> { overlays = [(import ../../overlay.nix)]; };
    inherit (pkgs.pkgsBuildBuild) routeros mips-vm;
in pkgs.runCommand "check" {
  nativeBuildInputs = with pkgs; [
    python3Packages.scapy
    expect
    jq
    socat
    routeros.routeros
    mips-vm
  ] ;
} ''
serverstatedir=$(mktemp -d -t routeros-XXXXXX)
# python scapy drags in matplotlib which doesn't enjoy running in
# a sandbox with no $HOME, hence this environment variable
export MPLCONFIGDIR=$(mktemp -d -t routeros-XXXXXX)

. ${../test-helpers.sh}

routeros $serverstatedir
mkdir vm
mips-vm --background ./vm ${img}/vmlinux ${img}/rootfs
expect ${./getaddress.expect}

set -o pipefail
response=$(python ${./test-dhcp-service.py})
echo "$response" | jq -e 'select((.router ==  "192.168.19.1") and (.server_id=="192.168.19.1"))'
echo $response > $out
''