import ./make-test-python.nix (
  { lib, ... }:
  {
    name = "tinydns";
    meta = {
      maintainers = with lib.maintainers; [ basvandijk ];
    };
    nodes = {
      nameserver =
        { config, lib, ... }:
        let
          ip = (lib.head config.networking.interfaces.eth1.ipv4.addresses).address;
        in
        {
          networking.nameservers = [ ip ];
          services.tinydns = {
            enable = true;
            inherit ip;
            data = ''
              .foo.bar:${ip}
              +.bla.foo.bar:1.2.3.4:300
            '';
          };
        };
    };
    testScript = ''
      nameserver.start()
      nameserver.wait_for_unit("tinydns.service")

      # We query tinydns a few times to trigger the bug:
      #
      #   nameserver # [    6.105872] mmap: tinydns (842): VmData 331776 exceed data ulimit 300000. Update limits or use boot option ignore_rlimit_data.
      #
      # which was reported in https://github.com/NixOS/nixpkgs/issues/119066.
      # Without the patch <nixpkgs/pkgs/tools/networking/djbdns/softlimit.patch>
      # it fails on the 10th iteration.
      nameserver.succeed(
          """
            for i in {1..100}; do
              host bla.foo.bar 192.168.1.1 | grep '1\.2\.3\.4'
            done
          """
      )
    '';
  }
)