nixos/autobrr: add options to settings submodule

nixos/modules/services/misc/autobrr.nix

@@ -28,13 +28,31 @@ in
       };
 
       settings = lib.mkOption {
-        type = lib.types.submodule { freeformType = configFormat.type; };
-        default = {
-          host = "127.0.0.1";
-          port = 7474;
-          checkForUpdates = true;
+        type = lib.types.submodule {
+          freeformType = configFormat.type;
+          options = {
+            host = lib.mkOption {
+              type = lib.types.str;
+              default = "127.0.0.1";
+              description = "The host address autobrr listens on.";
+            };
+
+            port = lib.mkOption {
+              type = lib.types.port;
+              default = 7474;
+              description = "The port autobrr listens on.";
+            };
+
+            checkForUpdates = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "Whether autobrr needs to check for updates.";
+            };
+          };
         };
+        default = { };
         example = {
+          port = 7654;
           logLevel = "DEBUG";
         };
         description = ''

nixos/tests/autobrr.nix

@@ -6,18 +6,42 @@
 
   nodes.machine =
     { pkgs, ... }:
+    let
+      # We create this secret in the Nix store (making it readable by everyone).
+      # DO NOT DO THIS OUTSIDE OF TESTS!!
+      testSecretFile = pkgs.writeText "session_secret" "not-secret";
+    in
     {
       services.autobrr = {
         enable = true;
-        # We create this secret in the Nix store (making it readable by everyone).
-        # DO NOT DO THIS OUTSIDE OF TESTS!!
-        secretFile = pkgs.writeText "session_secret" "not-secret";
+        secretFile = testSecretFile;
+      };
+
+      # Use port other than default to test if settings options work.
+      specialisation.settingsPort.configuration = {
+        services.autobrr = {
+          enable = true;
+          secretFile = testSecretFile;
+          settings.port = 7777;
+        };
       };
     };
 
-  testScript = ''
-    machine.wait_for_unit("autobrr.service")
-    machine.wait_for_open_port(7474)
-    machine.succeed("curl --fail http://localhost:7474/")
-  '';
+  testScript =
+    { nodes, ... }:
+    let
+      settingsPort = "${nodes.machine.system.build.toplevel}/specialisation/settingsPort";
+    in
+    # python
+    ''
+      def test_webui(port):
+        machine.wait_for_unit("autobrr.service")
+        machine.wait_for_open_port(port)
+        machine.wait_until_succeeds(f"curl --fail http://localhost:{port}")
+
+      test_webui(7474)
+
+      machine.succeed("${settingsPort}/bin/switch-to-configuration test")
+      test_webui(7777)
+    '';
 }