depot/third_party/nixpkgs/nixos/tests/wmderland.nix

import ./make-test-python.nix (
  { pkgs, ... }:
  {
    name = "wmderland";
    meta = with pkgs.lib.maintainers; {
      maintainers = [ takagiy ];
    };

    nodes.machine =
      { lib, ... }:
      {
        imports = [
          ./common/x11.nix
          ./common/user-account.nix
        ];
        test-support.displayManager.auto.user = "alice";
        services.displayManager.defaultSession = lib.mkForce "none+wmderland";
        services.xserver.windowManager.wmderland.enable = true;

        systemd.services.setupWmderlandConfig = {
          wantedBy = [ "multi-user.target" ];
          before = [ "multi-user.target" ];
          environment = {
            HOME = "/home/alice";
          };
          unitConfig = {
            type = "oneshot";
            RemainAfterExit = true;
            user = "alice";
          };
          script =
            let
              config = pkgs.writeText "config" ''
                set $Mod = Mod1
                bindsym $Mod+Return exec ${pkgs.xterm}/bin/xterm -cm -pc
              '';
            in
            ''
              mkdir -p $HOME/.config/wmderland
              cp ${config} $HOME/.config/wmderland/config
            '';
        };
      };

    testScript =
      { ... }:
      ''
        with subtest("ensure x starts"):
            machine.wait_for_x()
            machine.wait_for_file("/home/alice/.Xauthority")
            machine.succeed("xauth merge ~alice/.Xauthority")

        with subtest("ensure we can open a new terminal"):
            machine.send_key("alt-ret")
            machine.wait_until_succeeds("pgrep xterm")
            machine.wait_for_window(r"alice.*?machine")
            machine.screenshot("terminal")

        with subtest("ensure we can communicate through ipc with wmderlandc"):
            # Kills the previously open xterm
            machine.succeed("pgrep xterm")
            machine.execute("DISPLAY=:0 wmderlandc kill")
            machine.fail("pgrep xterm")
      '';
  }
)