nixpkgs/nixos/tests/web-servers/unit-perl.nix

import ../make-test-python.nix (
  { pkgs, ... }:
  let
    testdir = pkgs.writeTextDir "www/app.psgi" ''
      my $app = sub {
          return [
              "200",
              [ "Content-Type" => "text/plain" ],
              [ "Hello, Perl on Unit!" ],
          ];
      };
    '';

  in
  {
    name = "unit-perl-test";
    meta.maintainers = with pkgs.lib.maintainers; [ sgo ];

    nodes.machine =
      {
        config,
        lib,
        pkgs,
        ...
      }:
      {
        services.unit = {
          enable = true;
          config = pkgs.lib.strings.toJSON {
            listeners."*:8080".application = "perl";
            applications.perl = {
              type = "perl";
              script = "${testdir}/www/app.psgi";
            };
          };
        };
      };
    testScript = ''
      machine.wait_for_unit("unit.service")
      machine.wait_for_open_port(8080)

      response = machine.succeed("curl -f -vvv -s http://127.0.0.1:8080/")
      assert "Hello, Perl on Unit!" in response, "Hello world"
    '';
  }
)