tt-rss: More comprehensive test

nixos/tests/web-apps/tt-rss.nix

···
           enable = true;
           virtualHost = "localhost";
           selfUrlPath = "http://localhost/";
+          pluginPackages = with pkgs; [
+            tt-rss-plugin-auth-ldap
+          ];
           singleUserMode = true;
+          themePackages = with pkgs; [ tt-rss-theme-feedly ];
         };
       };
 
     testScript = ''
+      import json
+      import re
       machine.wait_for_unit("tt-rss.service")
-      machine.succeed("curl -sSfL http://localhost/ | grep 'Tiny Tiny RSS'")
+
+      matches = re.search('__csrf_token = "([^"]*)"', machine.succeed("curl -sSfL --cookie cjar --cookie-jar cjar -sSfL http://localhost/"))
+      if matches is None:
+        assert False, "CSRF token not found"
+      csrf_token = matches.group(1)
+
+      # Ensure themes are loaded. No API found for these, so it's a crude check.
+      preference_page = machine.succeed("curl -sSfL --cookie cjar --cookie-jar cjar http://localhost/backend.php?op=Pref_Prefs")
+      assert "feedly" in preference_page
+
+      plugins = json.loads(machine.succeed(f"curl -sSfL --cookie cjar --cookie-jar cjar 'http://localhost/backend.php' -X POST --data-raw 'op=Pref_Prefs&method=getPluginsList&csrf_token={csrf_token}'"))["plugins"]
+      expected_plugins = ["auth_ldap"];
+      found_plugins = [p["name"] for p in plugins if p["name"] in expected_plugins]
+      assert len(found_plugins) == len(expected_plugins), f"Expected plugins {expected_plugins}, found {found_plugins}"
     '';
   }
 )

pkgs/by-name/tt/tt-rss-plugin-auth-ldap/package.nix

···
 {
   lib,
+  nixosTests,
   stdenv,
   fetchFromGitHub,
 }:
···
   installPhase = ''
     install -D plugins/auth_ldap/init.php $out/auth_ldap/init.php
   '';
+
+  passthru = {
+    tests = { inherit (nixosTests) tt-rss; };
+  };
 
   meta = with lib; {
     description = "Plugin for TT-RSS to authenticate users via ldap";

pkgs/by-name/tt/tt-rss-theme-feedly/package.nix

···
 {
   lib,
+  nixosTests,
   stdenv,
   fetchFromGitHub,
 }:
···
 
     cp -ra feedly *.css $out
   '';
+
+  passthru = {
+    tests = { inherit (nixosTests) tt-rss; };
+  };
 
   meta = with lib; {
     description = "Feedly theme for Tiny Tiny RSS";