From 42655c79685791ac7da13f3715ac06b113c81a34 Mon Sep 17 00:00:00 2001
From: Valentin Gagarin <valentin.gagarin@tweag.io>
Date: Fri, 25 Jul 2025 11:43:31 +0200
Subject: [PATCH] fix: work around weird stack trace

---
 deployment/data-model-test.nix | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/deployment/data-model-test.nix b/deployment/data-model-test.nix
index d2d4f2fc..97f84050 100644
--- a/deployment/data-model-test.nix
+++ b/deployment/data-model-test.nix
@@ -111,9 +111,8 @@ in
                   implementation = cfg: {
                     input = cfg;
                     output = lib.optionalAttrs cfg.enable {
-                      resources.hello.login-shell.packages = {
-                        inherit (pkgs) hello;
-                      };
+                      # FIXME(@fricklerhandwerk): for some reason taking `pkgs.hello` directly stack overflows!
+                      resources.hello.login-shell.packages.hello = "${pkgs.hello}";
                     };
                   };
                 };
@@ -163,14 +162,20 @@ in
         );
       in
       rec {
+        number-of-resources = with lib; length (attrNames fediversity.resources);
         config = fediversity.example-configuration;
-        resources = fediversity.applications.hello.implementation config.applications.hello;
+        hello-package-exists = lib.isStorePath (
+          toString (fediversity.applications.hello.resources config.applications.hello)
+            .resources.hello.login-shell.packages.hello
+        );
       };
     expected = {
+      number-of-resources = 2;
       config = {
         enable = true;
         applications.hello.enable = true;
       };
+      hello-package-exists = true;
     };
   };
 }