test/lua: make tests more robust, print Lua include paths

1 files changed, 6 insertions, 4 deletions

diff --git a/lua/visrc.lua b/lua/visrc.lua
index cdb8e1c..9210c26 100644
--- a/lua/visrc.lua
+++ b/lua/visrc.lua
@@ -3,9 +3,11 @@ dofile("utils.lua")
 vis.events = {}
 vis.events.win_open = function(win)
 	-- test.in file passed to vis
-	in_file = win.file.name
-	-- use the corresponding test.lua file
-	lua_file = string.gsub(in_file, '%.in$', '.lua')
-	dofile(lua_file)
+	local in_file = win.file.name
+	if in_file then
+		-- use the corresponding test.lua file
+		lua_file = string.gsub(in_file, '%.in$', '.lua')
+		dofile(lua_file)
+	end
 	vis:command('q!')
 end