Merge pull request #20 from ignacio/patch-1

Use specified Content-Length if provided

Author: hishamhm

src/wsapi/mock.lua

@@ -127,7 +127,7 @@ local function build_post(path, params, headers)
     req.QUERY_STRING = qs
   end
 
-  req.CONTENT_LENGTH = #body
+  req.CONTENT_LENGTH = headers["Content-Length"] or #body
 
   return {
     env    = req,