middleware.rb in i18n-js-3.0.0.rc15

- old
+ new

@@ -1,5 +1,7 @@
+require "fileutils"
+
 module I18n
   module JS
     class Middleware
       def initialize(app)
         @app = app
@@ -30,10 +32,16 @@
           end
         end
       end
 
       def clear_cache
-        File.delete(cache_path) if File.exist?(cache_path)
+        # `File.delete` will raise error when "multiple worker"
+        # Are running at the same time, like in a parallel test
+        #
+        # `FileUtils.rm_f` is tested manually
+        #
+        # See https://github.com/fnando/i18n-js/issues/436
+        FileUtils.rm_f(cache_path) if File.exist?(cache_path)
       end
 
       def save_cache(new_cache)
         # path could be a symbolic link
         FileUtils.mkdir_p(cache_dir) unless File.exists?(cache_dir)