nixos/tests: add plasma6

nixos/tests/all-tests.nix

@@ -695,6 +695,7 @@ in {
   plantuml-server = handleTest ./plantuml-server.nix {};
   plasma-bigscreen = handleTest ./plasma-bigscreen.nix {};
   plasma5 = handleTest ./plasma5.nix {};
+  plasma6 = handleTest ./plasma6.nix {};
   plasma5-systemd-start = handleTest ./plasma5-systemd-start.nix {};
   plausible = handleTest ./plausible.nix {};
   please = handleTest ./please.nix {};

nixos/tests/plasma6.nix

@@ -0,0 +1,64 @@
+import ./make-test-python.nix ({ pkgs, ...} :
+
+{
+  name = "plasma6";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ k900 ];
+  };
+
+  nodes.machine = { ... }:
+
+  {
+    imports = [ ./common/user-account.nix ];
+    services.xserver.enable = true;
+    services.xserver.displayManager.sddm.enable = true;
+    # FIXME: this should be testing Wayland
+    services.xserver.displayManager.defaultSession = "plasmax11";
+    services.xserver.desktopManager.plasma6.enable = true;
+    environment.plasma6.excludePackages = [ pkgs.kdePackages.elisa ];
+    services.xserver.displayManager.autoLogin = {
+      enable = true;
+      user = "alice";
+    };
+  };
+
+  testScript = { nodes, ... }: let
+    user = nodes.machine.users.users.alice;
+    xdo = "${pkgs.xdotool}/bin/xdotool";
+  in ''
+    with subtest("Wait for login"):
+        start_all()
+        machine.wait_for_file("/tmp/xauth_*")
+        machine.succeed("xauth merge /tmp/xauth_*")
+
+    with subtest("Check plasmashell started"):
+        machine.wait_until_succeeds("pgrep plasmashell")
+        machine.wait_for_window("^Desktop ")
+
+    with subtest("Check that KDED is running"):
+        machine.succeed("pgrep kded6")
+
+    with subtest("Ensure Elisa is not installed"):
+        machine.fail("which elisa")
+
+    machine.succeed("su - ${user.name} -c 'xauth merge /tmp/xauth_*'")
+
+    with subtest("Run Dolphin"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 dolphin >&2 &'")
+        machine.wait_for_window(" Dolphin")
+
+    with subtest("Run Konsole"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 konsole >&2 &'")
+        machine.wait_for_window("Konsole")
+
+    with subtest("Run systemsettings"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 systemsettings >&2 &'")
+        machine.wait_for_window("Settings")
+
+    with subtest("Wait to get a screenshot"):
+        machine.execute(
+            "${xdo} key Alt+F1 sleep 10"
+        )
+        machine.screenshot("screen")
+  '';
+})