try gnome

tests/kolide-launcher.nix

@@ -23,16 +23,31 @@ pkgs.nixosTest {
       uid = 1000;
     };
 
+    # Add Gnome extensions
+    environment.systemPackages = [ pkgs.gnomeExtensions.appindicator ];
+
     services.xserver.enable = true;
     services.xserver.displayManager = {
-      lightdm.enable = true;
+      gdm.enable = true;
+      gdm.debug = true;
       autoLogin = {
         enable = true;
         user = "alice";
       };
     };
-    services.xserver.desktopManager.mate.enable = true;
-    services.xserver.desktopManager.mate.debug = true;
+    services.xserver.desktopManager.gnome.enable = true;
+    services.xserver.desktopManager.gnome.debug = true;
+    services.xserver.displayManager.defaultSession = "gnome-xorg";
+    systemd.user.services = {
+      "org.gnome.Shell@x11" = {
+        serviceConfig = {
+          ExecStart = [
+            ""
+            "${pkgs.gnome.gnome-shell}/bin/gnome-shell --unsafe-mode"
+          ];
+        };
+      };
+    };
 
     # This just quiets some log spam we don't care about
     hardware.pulseaudio.enable = true;
@@ -47,26 +62,50 @@ pkgs.nixosTest {
     let
       user = nodes.machine.users.users.alice;
       uid = toString user.uid;
-      xauthority = "${user.home}/.Xauthority";
+      # xauthority = "${user.home}/.Xauthority";
       ci = builtins.getEnv "CI";
+
+      bus = "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/${uid}/bus";
+      xauthority = "/run/user/${uid}/gdm/Xauthority";
+      display = "DISPLAY=:0.0";
+      env = "${bus} XAUTHORITY=${xauthority} ${display}";
+      run = command: "su - ${user.name} -c '${bus} ${command}'";
+      eval = command: run "gdbus call --session -d org.gnome.Shell -o /org/gnome/Shell -m org.gnome.Shell.Eval ${command}";
+      startingUp = eval "Main.layoutManager._startingUp";
+      launchConsole = run "gapplication launch org.gnome.Console";
+      wmClass = eval "global.display.focus_window.wm_class";
     in
     ''
       if "${ci}":
         machine.start()
 
-        with subtest("log in to MATE"):
-          machine.wait_for_unit("display-manager.service", timeout=120)
+        with subtest("log in to GNOME"):
+          machine.wait_for_x()
+          machine.wait_for_unit("default.target", "${user.name}")
           machine.wait_for_file("${xauthority}")
           machine.succeed("xauth merge ${xauthority}")
-          machine.wait_until_succeeds("pgrep marco")
-          machine.wait_for_window("marco")
-          machine.wait_until_succeeds("pgrep mate-panel")
-          machine.wait_for_window("Top Panel")
-          machine.wait_for_window("Bottom Panel")
-          machine.wait_until_succeeds("pgrep caja")
-          machine.wait_for_window("Caja")
+          assert "alice" in machine.succeed("getfacl -p /dev/snd/timer")
+
+        with subtest("wait for GNOME Shell"):
+          machine.wait_until_succeeds(
+              "${startingUp} | grep -q 'true,..false'"
+          )
+          machine.screenshot("test-1.png")
+
+        with subtest("open console"):
+          machine.send_key("esc")
+          machine.succeed(
+              "${launchConsole}"
+          )
+          machine.wait_until_succeeds(
+              "${wmClass} | grep -q  'true,...kgx'"
+          )
           machine.sleep(20)
-          machine.screenshot("test-screen1.png")
+          machine.screenshot("test-2.png")
+
+        with subtest("enable appindicator extension"):
+          machine.succeed("${run "gnome-extensions enable [email protected]"}")
+          machine.screenshot("test-3.png")
 
         with subtest("set up secret file"):
           machine.copy_from_host("${./test-secret}", "/etc/kolide-k2/secret")