qtile: add passthru tests

nixos/tests/all-tests.nix

@@ -772,6 +772,7 @@ in {
   qgis = handleTest ./qgis.nix { qgisPackage = pkgs.qgis; };
   qgis-ltr = handleTest ./qgis.nix { qgisPackage = pkgs.qgis-ltr; };
   qownnotes = handleTest ./qownnotes.nix {};
+  qtile = handleTest ./qtile.nix {};
   quake3 = handleTest ./quake3.nix {};
   quicktun = handleTest ./quicktun.nix {};
   quorum = handleTest ./quorum.nix {};

nixos/tests/qtile.nix

@@ -0,0 +1,34 @@
+import ./make-test-python.nix ({ lib, ...} : {
+  name = "qtile";
+
+  meta = {
+    maintainers = with lib.maintainers; [ sigmanificient ];
+  };
+
+  nodes.machine = { pkgs, lib, ... }: {
+    imports = [ ./common/x11.nix ./common/user-account.nix ];
+    test-support.displayManager.auto.user = "alice";
+
+    services.xserver.windowManager.qtile.enable = true;
+    services.displayManager.defaultSession = lib.mkForce "none+qtile";
+
+    environment.systemPackages = [ pkgs.kitty ];
+  };
+
+  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 client is available"):
+        machine.succeed("qtile --version")
+
+    with subtest("ensure we can open a new terminal"):
+        machine.sleep(2)
+        machine.send_key("meta_l-ret")
+        machine.wait_for_window(r"alice.*?machine")
+        machine.sleep(2)
+        machine.screenshot("terminal")
+  '';
+})

pkgs/development/python-modules/qtile/default.nix

@@ -28,6 +28,7 @@
 , xcbutilwm
 , xcffib
 , xkbcommon
+, nixosTests
 }:
 
 buildPythonPackage rec {
@@ -89,7 +90,11 @@ buildPythonPackage rec {
     xcbutilwm
   ];
 
-  doCheck = false; # Requires X server #TODO this can be worked out with the existing NixOS testing infrastructure.
+  doCheck = false;
+  passthru = {
+    tests.qtile = nixosTests.qtile;
+    providedSessions = [ "qtile" ];
+  };
 
   meta = with lib; {
     homepage = "http://www.qtile.org/";