rework stirling-pdf to be more generic with test

modules/clan/stirling-pdf/default.nix

@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ ... }:
 {
   _class = "clan.service";
   manifest.name = "stirling-pdf";
@@ -6,43 +6,18 @@
   manifest.categories = [ "System" ];
 
   roles.default = {
-    interface.options = {
-      domain = lib.mkOption {
-        type = lib.types.str;
-        default = "pdf";
-        description = "Sub domain or Stirling PDF service";
-      };
-    };
-
-    perInstance =
+    perInstance.nixosModule =
       {
-        settings,
+        lib,
         ...
       }:
       {
-        nixosModule =
-          {
-            config,
-            ...
-          }:
-          let
-            domain = "${settings.domain}.${config.networking.fqdn}";
-          in
-          {
-            services.stirling-pdf = {
-              enable = true;
-              environment = {
-                SERVER_PORT = 8080;
-              };
-            };
-            services.nginx.virtualHosts."${domain}" = {
-              forceSSL = true;
-              useACMEHost = "${config.networking.fqdn}";
-              locations."/" = {
-                proxyPass = "http://localhost:${builtins.toString config.services.stirling-pdf.environment.SERVER_PORT}";
-              };
-            };
+        services.stirling-pdf = {
+          enable = lib.mkDefault true;
+          environment = {
+            SERVER_PORT = lib.mkDefault 8080;
           };
+        };
       };
   };
 }

modules/clan/stirling-pdf/flake-module.nix

@@ -0,0 +1,19 @@
+{ lib, ... }:
+let
+  module = lib.modules.importApply ./default.nix { };
+in
+{
+  clan.modules = {
+    stirling-pdf = module;
+  };
+
+  perSystem =
+    { ... }:
+    {
+      clan.nixosTests.stirling-pdf = {
+        imports = [ ./tests/vm/default.nix ];
+
+        clan.modules."@clan/stirling-pdf" = module;
+      };
+    };
+}

modules/clan/stirling-pdf/tests/vm/default.nix

@@ -0,0 +1,34 @@
+{
+  ...
+}:
+{
+  name = "service-stirling-pdf";
+
+  clan = {
+    directory = ./.;
+    inventory = {
+      machines.server = { };
+
+      instances = {
+        actual-budget-test = {
+          module.name = "@clan/stirling-pdf";
+          module.input = "self";
+          roles.default.machines."server".settings = { };
+        };
+      };
+    };
+  };
+
+  nodes = {
+    server = { };
+  };
+
+  testScript = ''
+    start_all()
+
+    server.wait_for_unit("stirling-pdf")
+
+    server.succeed("systemctl status stirling-pdf")
+
+  '';
+}