Untested POC

test_runner.lua

@@ -0,0 +1,60 @@
+#!/bin/bash
+exec nvim --headless "$0" "$@"
+
+-- Set up Lua path
+package.path = "./lua/?.lua;./lua/?/init.lua;" .. package.path
+
+-- Mock minimal vim global for testing
+_G.vim = {
+  fn = {
+    stdpath = function(type)
+      return "/tmp/notex_test"
+    end,
+    getpid = function()
+      return 12345
+    end,
+  },
+  loop = {
+    fs_stat = function(path)
+      -- Mock file stat
+      return {type = "file", size = 100}
+    end,
+    timer_start = function(delay, callback)
+      return 1 -- mock timer id
+    end,
+    timer_stop = function(timer_id)
+      -- Mock timer stop
+    end,
+  },
+  uv = {
+    new_timer = function()
+      return {
+        start = function() end,
+        stop = function() end,
+        close = function() end
+      }
+    end,
+    hrtime = function()
+      return os.clock() * 1e9
+    end,
+  },
+  trim = function(str)
+    return str:match("^%s*(.-)%s*$")
+  end,
+  split = function(str, sep)
+    local fields = {}
+    local pattern = string.format("([^%s]+)", sep)
+    str:gsub(pattern, function(c) fields[#fields + 1] = c end)
+    return fields
+  end,
+  tbl_contains = function(t, val)
+    for _, v in ipairs(t) do
+      if v == val then return true end
+    end
+    return false
+  end,
+}
+
+-- Run busted with command line args
+local busted = require('busted')
+busted.run(arg)