* lib/test/unit.rb, lib/test/unit/parallel.rb:

generate error message (String) in parallel.rb instead of
  marshalling Exception. Fixes [Bug #6882] [ruby-dev:46054]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Mon Aug 20 10:51:01 2012  Shota Fukumori  <sorah@tubusu.net>
+
+	* lib/test/unit.rb, lib/test/unit/parallel.rb:
+	  generate error message (String) in parallel.rb instead of
+	  marshalling Exception. Fixes [Bug #6882] [ruby-dev:46054]
+
 Sun Aug 19 01:24:32 2012  Ayumu AIZAWA  <ayumu.aizawa@gmail.com>
 
 	* enum.c: fix docs. https://github.com/ruby/ruby/pull/129 by

lib/test/unit.rb

@@ -370,11 +370,7 @@ module Test
       def after_worker_down(worker, e=nil, c=false)
         return unless @options[:parallel]
         return if @interrupt
-        if e
+        warn e if e
-          b = e.backtrace
-          warn "#{b.shift}: #{e.message} (#{e.class})"
-          STDERR.print b.map{|s| "\tfrom #{s}"}.join("\n")
-        end
         @need_quit = true
         warn ""
         warn "Some worker was crashed. It seems ruby interpreter's bug"

lib/test/unit/parallel.rb

@@ -137,7 +137,10 @@ module Test
         rescue Errno::EPIPE
         rescue Exception => e
           begin
-            _report "bye", Marshal.dump(e)
+            trace = e.backtrace
+            err = ["#{trace.shift}: #{e.message} (#{e.class})"] + trace.map{|t| t.prepend("\t") }
+
+            _report "bye", Marshal.dump(err.join("\n"))
           rescue Errno::EPIPE;end
           exit
         ensure