nixos/photoprism: add test

nixos/tests/all-tests.nix

···
   pgjwt = handleTest ./pgjwt.nix {};
   pgmanage = handleTest ./pgmanage.nix {};
   phosh = handleTest ./phosh.nix {};
+  photoprism = handleTest ./photoprism.nix {};
   php = handleTest ./php {};
   php80 = handleTest ./php { php = pkgs.php80; };
   php81 = handleTest ./php { php = pkgs.php81; };

nixos/tests/photoprism.nix

···
+import ./make-test-python.nix ({ lib, pkgs, ... }: {
+  name = "photoprism";
+  meta.maintainers = with lib.maintainers; [ stunkymonkey ];
+
+  nodes.machine = { pkgs, ... }: {
+    services.photoprism = {
+      enable = true;
+      port = 8080;
+      originalsPath = "/media/photos/";
+      passwordFile = pkgs.writeText "password" "secret";
+    };
+    environment.extraInit = ''
+      mkdir -p /media/photos
+    '';
+  };
+
+  testScript = ''
+    machine.wait_for_unit("multi-user.target")
+    machine.wait_for_open_port(8080)
+    response = machine.succeed("curl -vvv -s -H 'Host: photoprism' http://127.0.0.1:8080/library/login")
+    assert '<title>PhotoPrism</title>' in response, "Login page didn't load successfully"
+  '';
+})