From 14860ab6254e3a5205841fb897418a2ecb383841 Mon Sep 17 00:00:00 2001
From: Yves-Marie Haussonne <1218002+ymph@users.noreply.github.com>
Date: Wed, 2 Oct 2024 08:07:56 +0200
Subject: [PATCH] fix(testing): ensure mod validity in get_test_registrator

Check if the provided mod name is valid by iterating through the registered mod names before allowing test registration.
---
 base.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/base.lua b/base.lua
index 3cd8623..b65ad68 100644
--- a/base.lua
+++ b/base.lua
@@ -44,6 +44,15 @@ local register_test = function(mod, name, func, opts)
 end
 
 test_harness.get_test_registrator = function(mod)
+    local modnames = minetest.get_modnames()
+    local is_mod = false
+    for i=1,#modnames do
+        if modnames[i]==mod then
+            is_mod=true
+            break
+        end
+    end
+    if not is_mod then error("get_test_registrator given mod "..mod.." is not a mod.") end
     return function(name, func, opts)
         register_test(mod, name, func, opts)
     end