nixpkgs/nixos/tests/mollysocket.nix

import ./make-test-python.nix (
  { pkgs, lib, ... }:

  let
    port = 1234;
  in
  {
    name = "mollysocket";
    meta.maintainers = with lib.maintainers; [ dotlambda ];

    nodes.mollysocket =
      { ... }:
      {
        services.mollysocket = {
          enable = true;
          settings = {
            inherit port;
          };
        };
      };

    testScript = ''
      mollysocket.wait_for_unit("mollysocket.service")
      mollysocket.wait_for_open_port(${toString port})

      out = mollysocket.succeed("curl --fail http://127.0.0.1:${toString port}")
      assert "Version ${pkgs.mollysocket.version}" in out
    '';
  }
)