From 5ee110f3a5d41c8fb3c570124a08478b2ee9615c Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Tue, 6 Jun 2023 15:10:47 +0000
Subject: [PATCH] Be clear in unittest failures involving nil

---
 nselib/unittest.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/nselib/unittest.lua b/nselib/unittest.lua
index b22de0569..c3043fbc0 100644
--- a/nselib/unittest.lua
+++ b/nselib/unittest.lua
@@ -289,7 +289,11 @@ make_test = function(test, fmt)
     local nargs = select("#", ...)
     return function(suite)
       if not test(table.unpack(args,1,nargs)) then
-        return false, string.format(fmt, table.unpack(listop.map(nsedebug.tostr, args),1,nargs))
+        local dbgargs = {}
+        for i = 1, nargs do
+          dbgargs[i] = nsedebug.tostr(args[i]):gsub("\n*$", '')
+        end
+        return false, string.format(fmt, table.unpack(dbgargs,1,nargs))
       end
       return true
     end