ft2-clone: add nixos test

nixos/tests/all-tests.nix

@@ -108,6 +108,7 @@ in
   fontconfig-default-fonts = handleTest ./fontconfig-default-fonts.nix {};
   freeswitch = handleTest ./freeswitch.nix {};
   fsck = handleTest ./fsck.nix {};
+  ft2-clone = handleTest ./ft2-clone.nix {};
   gerrit = handleTest ./gerrit.nix {};
   gotify-server = handleTest ./gotify-server.nix {};
   grocy = handleTest ./grocy.nix {};

nixos/tests/ft2-clone.nix

@@ -0,0 +1,35 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "ft2-clone";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ fgaz ];
+  };
+
+  machine = { config, pkgs, ... }: {
+    imports = [
+      ./common/x11.nix
+    ];
+
+    services.xserver.enable = true;
+    sound.enable = true;
+    environment.systemPackages = [ pkgs.ft2-clone ];
+  };
+
+  enableOCR = true;
+
+  testScript =
+    ''
+      machine.wait_for_x()
+      # Add a dummy sound card, or the program won't start
+      machine.execute("modprobe snd-dummy")
+
+      machine.execute("ft2-clone &")
+
+      machine.wait_for_window(r"Fasttracker")
+      machine.sleep(5)
+      # One of the few words that actually get recognized
+      if "Songlen" not in machine.get_screen_text():
+          raise Exception("Program did not start successfully")
+      machine.screenshot("screen")
+    '';
+})
+

pkgs/applications/audio/ft2-clone/default.nix

@@ -1,6 +1,7 @@
 { stdenv
 , fetchFromGitHub
 , cmake
+, nixosTests
 , alsaLib
 , SDL2
 }:
@@ -19,6 +20,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ SDL2 ] ++ stdenv.lib.optional stdenv.isLinux alsaLib;
 
+  passthru.tests = {
+    ft2-clone-starts = nixosTests.ft2-clone;
+  };
+
   meta = with stdenv.lib; {
     description = "A highly accurate clone of the classic Fasttracker II software for MS-DOS";
     homepage = "https://16-bits.org/ft2.php";