nixpkgs/nixos/tests/xterm.nix

{ pkgs, ... }:
{
  name = "xterm";
  meta = with pkgs.lib.maintainers; {
    maintainers = [ nequissimus ];
  };

  nodes.machine = {
    imports = [ ./common/x11.nix ];
    services.xserver.desktopManager.xterm.enable = false;
  };

  testScript = ''
    machine.wait_for_x()
    machine.succeed("DISPLAY=:0 xterm -title testterm -class testterm -fullscreen >&2 &")
    machine.sleep(2)
    machine.send_chars("echo $XTERM_VERSION >> /tmp/xterm_version\n")
    machine.wait_for_file("/tmp/xterm_version")
    assert "${pkgs.xterm.version}" in machine.succeed("cat /tmp/xterm_version")
    machine.screenshot("window")
  '';
}