nixos/sddm: test automatic and manual login

nixos/release-combined.nix

@@ -92,7 +92,7 @@ in rec {
         (all nixos.tests.openssh)
         (all nixos.tests.printing)
         (all nixos.tests.proxy)
-        (all nixos.tests.sddm)
+        (all nixos.tests.sddm.default)
         (all nixos.tests.simple)
         (all nixos.tests.udisks2)
         (all nixos.tests.xfce)

nixos/release.nix

@@ -296,7 +296,7 @@ in rec {
   tests.quake3 = callTest tests/quake3.nix {};
   tests.runInMachine = callTest tests/run-in-machine.nix {};
   tests.samba = callTest tests/samba.nix {};
-  tests.sddm = callTest tests/sddm.nix {};
+  tests.sddm = callSubTests tests/sddm.nix {};
   tests.simple = callTest tests/simple.nix {};
   tests.smokeping = callTest tests/smokeping.nix {};
   tests.taskserver = callTest tests/taskserver.nix {};

nixos/tests/sddm.nix

@@ -1,4 +1,12 @@
-import ./make-test.nix ({ pkgs, ...} : {
+{ system ? builtins.currentSystem }:
+
+with import ../lib/testing.nix { inherit system; };
+
+let
+  inherit (pkgs) lib;
+
+  tests = {
+    default = {
       name = "sddm";
 
       machine = { lib, ... }: {
@@ -23,4 +31,36 @@ import ./make-test.nix ({ pkgs, ...} : {
         $machine->succeed("xauth merge ~alice/.Xauthority");
         $machine->waitForWindow("^IceWM ");
       '';
-})
+    };
+
+    autoLogin = {
+      name = "sddm-autologin";
+      meta = with pkgs.stdenv.lib.maintainers; {
+        maintainers = [ ttuegel ];
+      };
+
+      machine = { lib, ... }: {
+        imports = [ ./common/user-account.nix ];
+        services.xserver.enable = true;
+        services.xserver.displayManager.sddm = {
+          enable = true;
+          autoLogin = {
+            enable = true;
+            user = "alice";
+          };
+        };
+        services.xserver.windowManager.default = "icewm";
+        services.xserver.windowManager.icewm.enable = true;
+        services.xserver.desktopManager.default = "none";
+      };
+
+      testScript = { nodes, ... }: ''
+        startAll;
+        $machine->waitForFile("/home/alice/.Xauthority");
+        $machine->succeed("xauth merge ~alice/.Xauthority");
+        $machine->waitForWindow("^IceWM ");
+      '';
+    };
+  };
+in
+  lib.mapAttrs (lib.const makeTest) tests