Use lfs.currentdir() to fix symlink test fail.

1 files changed, 7 insertions, 7 deletions

diff --git a/test/unit/os/fs_spec.lua b/test/unit/os/fs_spec.lua
index 9e5a2349c8..1158b81a1d 100644
--- a/test/unit/os/fs_spec.lua
+++ b/test/unit/os/fs_spec.lua
@@ -172,17 +172,17 @@ describe('fs function', function()
       local old_dir = lfs.currentdir()
 
       lfs.chdir(directory)
-      local relative_executable = './' .. executable_name
 
-      -- Don't test yet; we need to chdir back first.
+      -- Rely on currentdir to resolve symlinks, if any. Testing against 
+      -- the absolute path taken from arg[0] may result in failure where 
+      -- the path has a symlink in it.
+      local canonical = lfs.currentdir() .. '/' .. executable_name
+      local expected = exe(canonical)
+      local relative_executable = './' .. executable_name
       local res = exe(relative_executable)
 
+      -- Don't test yet; we need to chdir back first.
       lfs.chdir(old_dir)
-
-      -- Need to canonicalize the absolute path taken from arg[0], because the
-      -- path may have a symlink in it.  For example, /home is symlinked in
-      -- FreeBSD 10's VM image.
-      local expected = exe(absolute_executable)
       eq(expected, res)
     end)
   end)