Merge #6214 from ZyX-I/split-eval'/isolated-unittests

Run all unit tests in separate processes

1 files changed, 21 insertions, 7 deletions

diff --git a/test/helpers.lua b/test/helpers.lua
index 25ab80bb50..e5224349c2 100644
--- a/test/helpers.lua
+++ b/test/helpers.lua
@@ -30,13 +30,15 @@ local function glob(initial_path, re, exc_re)
       if ((not exc_re or not checked_path:match(exc_re))
           and e:sub(1, 1) ~= '.') then
         local attrs = lfs.attributes(full_path)
-        local check_key = attrs.dev .. ':' .. tostring(attrs.ino)
-        if not checked_files[check_key] then
-          checked_files[check_key] = true
-          if attrs.mode == 'directory' then
-            paths_to_check[#paths_to_check + 1] = full_path
-          elseif not re or checked_path:match(re) then
-            ret[#ret + 1] = full_path
+        if attrs then
+          local check_key = attrs.dev .. ':' .. tostring(attrs.ino)
+          if not checked_files[check_key] then
+            checked_files[check_key] = true
+            if attrs.mode == 'directory' then
+              paths_to_check[#paths_to_check + 1] = full_path
+            elseif not re or checked_path:match(re) then
+              ret[#ret + 1] = full_path
+            end
           end
         end
       end
@@ -212,6 +214,17 @@ local function check_cores(app)
   end
 end
 
+local function which(exe)
+  local pipe = io.popen('which ' .. exe, 'r')
+  local ret = pipe:read('*a')
+  pipe:close()
+  if ret == '' then
+    return nil
+  else
+    return ret:sub(1, -2)
+  end
+end
+
 return {
   eq = eq,
   neq = neq,
@@ -224,4 +237,5 @@ return {
   glob = glob,
   check_cores = check_cores,
   hasenv = hasenv,
+  which = which,
 }