Merge pull request #153741 from primeos/nixos-tests-tinywl

nixos/tests/tinywl: init

nixos/tests/all-tests.nix

@@ -479,6 +479,7 @@ in
   timezone = handleTest ./timezone.nix {};
   tinc = handleTest ./tinc {};
   tinydns = handleTest ./tinydns.nix {};
+  tinywl = handleTest ./tinywl.nix {};
   tor = handleTest ./tor.nix {};
   # traefik test relies on docker-containers
   traefik = handleTestOn ["x86_64-linux"] ./traefik.nix {};

nixos/tests/tinywl.nix

@@ -0,0 +1,56 @@
+import ./make-test-python.nix ({ pkgs, lib, ... }:
+
+  {
+    name = "tinywl";
+    meta = {
+      maintainers = with lib.maintainers; [ primeos ];
+    };
+
+    machine = { config, ... }: {
+      # Automatically login on tty1 as a normal user:
+      imports = [ ./common/user-account.nix ];
+      services.getty.autologinUser = "alice";
+
+      environment = {
+        systemPackages = with pkgs; [ tinywl foot wayland-utils ];
+      };
+
+      # Automatically start TinyWL when logging in on tty1:
+      programs.bash.loginShellInit = ''
+        if [ "$(tty)" = "/dev/tty1" ]; then
+          set -e
+          test ! -e /tmp/tinywl.log # Only start tinywl once
+          readonly TEST_CMD="wayland-info |& tee /tmp/test-wayland.out && touch /tmp/test-wayland-exit-ok; read"
+          readonly FOOT_CMD="foot sh -c '$TEST_CMD'"
+          tinywl -s "$FOOT_CMD" |& tee /tmp/tinywl.log
+          touch /tmp/tinywl-exit-ok
+        fi
+      '';
+
+      # Switch to a different GPU driver (default: -vga std), otherwise TinyWL segfaults:
+      virtualisation.qemu.options = [ "-vga none -device virtio-gpu-pci" ];
+    };
+
+    testScript = { nodes, ... }: ''
+      start_all()
+      machine.wait_for_unit("multi-user.target")
+
+      # Wait for complete startup:
+      machine.wait_until_succeeds("pgrep tinywl")
+      machine.wait_for_file("/run/user/1000/wayland-0")
+      machine.wait_until_succeeds("pgrep foot")
+      machine.wait_for_file("/tmp/test-wayland-exit-ok")
+
+      # Make a screenshot and save the result:
+      machine.screenshot("tinywl_foot")
+      print(machine.succeed("cat /tmp/test-wayland.out"))
+      machine.copy_from_vm("/tmp/test-wayland.out")
+
+      # Terminate cleanly:
+      machine.send_key("alt-esc")
+      machine.wait_until_fails("pgrep foot")
+      machine.wait_until_fails("pgrep tinywl")
+      machine.wait_for_file("/tmp/tinywl-exit-ok")
+      machine.copy_from_vm("/tmp/tinywl.log")
+    '';
+  })

pkgs/applications/window-managers/tinywl/default.nix

@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   meta = with lib; {
     homepage = "https://github.com/swaywm/wlroots/tree/master/tinywl";
     description = ''A "minimum viable product" Wayland compositor based on wlroots'';
-    maintainers = with maintainers; [ qyliss ];
+    maintainers = with maintainers; [ qyliss ] ++ wlroots.meta.maintainers;
     license = licenses.cc0;
     inherit (wlroots.meta) platforms;
   };

pkgs/development/libraries/wlroots/0.15.nix

@@ -2,6 +2,7 @@
 , libGL, wayland, wayland-protocols, libinput, libxkbcommon, pixman
 , xcbutilwm, libX11, libcap, xcbutilimage, xcbutilerrors, mesa
 , libpng, ffmpeg, xcbutilrenderutil, seatd, vulkan-loader, glslang
+, nixosTests
 
 , enableXWayland ? true, xwayland ? null
 }:
@@ -49,6 +50,9 @@ stdenv.mkDerivation rec {
     done
   '';
 
+  # Test via TinyWL (the "minimum viable product" Wayland compositor based on wlroots):
+  passthru.tests.tinywl = nixosTests.tinywl;
+
   meta = with lib; {
     description = "A modular Wayland compositor library";
     longDescription = ''