nixos/tests/xfce-wayland: init

Use wlrctl instead of wait_for_window, to avoid xwininfo usages.

nixos/tests/all-tests.nix

@@ -1137,6 +1137,7 @@ in {
   xandikos = handleTest ./xandikos.nix {};
   xautolock = handleTest ./xautolock.nix {};
   xfce = handleTest ./xfce.nix {};
+  xfce-wayland = handleTest ./xfce-wayland.nix {};
   xmonad = handleTest ./xmonad.nix {};
   xmonad-xdg-autostart = handleTest ./xmonad-xdg-autostart.nix {};
   xpadneo = handleTest ./xpadneo.nix {};

nixos/tests/xfce-wayland.nix

@@ -0,0 +1,68 @@
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "xfce-wayland";
+
+  nodes.machine =
+    { pkgs, ... }:
+
+    {
+      imports = [
+        ./common/user-account.nix
+      ];
+
+      services.xserver.enable = true;
+      services.displayManager = {
+        sddm.enable = true; # https://github.com/canonical/lightdm/issues/63
+        sddm.wayland.enable = true;
+        defaultSession = "xfce-wayland";
+        autoLogin = {
+          enable = true;
+          user = "alice";
+        };
+      };
+
+      services.xserver.desktopManager.xfce.enable = true;
+      services.xserver.desktopManager.xfce.enableWaylandSession = true;
+      # https://gitlab.xfce.org/apps/xfce4-screensaver/-/merge_requests/28
+      services.xserver.desktopManager.xfce.enableScreensaver = false;
+      environment.systemPackages = [ pkgs.wlrctl ];
+    };
+
+  enableOCR = true;
+
+  testScript = { nodes, ... }: let
+    user = nodes.machine.users.users.alice;
+    rtdir = "XDG_RUNTIME_DIR=/run/user/${toString user.uid}";
+  in ''
+      machine.wait_for_unit("display-manager.service")
+
+      with subtest("Wait for Wayland server"):
+        machine.wait_for_file("/run/user/${toString user.uid}/wayland-0")
+
+      with subtest("Check that logging in has given the user ownership of devices"):
+        machine.succeed("getfacl -p /dev/snd/timer | grep -q ${user.name}")
+
+      with subtest("Check if Xfce components actually start"):
+        for p in ["labwc", "xfdesktop", "xfce4-notifyd", "xfconfd", "xfce4-panel"]:
+          machine.wait_until_succeeds(f"pgrep {p}")
+
+      with subtest("Open Xfce terminal"):
+        machine.succeed("su - ${user.name} -c '${rtdir} xfce4-terminal >&2 &'")
+        machine.wait_until_succeeds("su - ${user.name} -c '${rtdir} wlrctl toplevel list | grep xfce4-terminal'")
+
+      with subtest("Open Thunar"):
+        machine.succeed("su - ${user.name} -c '${rtdir} thunar >&2 &'")
+        machine.wait_until_succeeds("su - ${user.name} -c '${rtdir} wlrctl toplevel list | grep Thunar'")
+        machine.wait_for_text('(Pictures|Public|Templates|Videos)')
+
+      with subtest("Check if various environment variables are set"):
+        cmd = "xargs --null --max-args=1 echo < /proc/$(pgrep -xf xfce4-panel)/environ"
+        machine.succeed(f"{cmd} | grep 'XDG_SESSION_TYPE' | grep 'wayland'")
+        machine.succeed(f"{cmd} | grep 'XFCE4_SESSION_COMPOSITOR' | grep 'labwc'")
+        machine.succeed(f"{cmd} | grep 'XDG_SESSION_DESKTOP' | grep 'XFCE'")
+
+      with subtest("Check if any coredumps are found"):
+        machine.succeed("(coredumpctl --json=short 2>&1 || true) | grep 'No coredumps found'")
+        machine.sleep(10)
+        machine.screenshot("screen")
+    '';
+})