# Autotest: No such file or directory - -u (Errno::ENOENT)

**URL:** <https://www.ruby-forum.com/t/autotest-no-such-file-or-directory-u-errno-enoent/176210>\
**Category:** Rails\
**Created:** [September 26, 2009, 4:27pm UTC](https://www.ruby-forum.com/t/autotest-no-such-file-or-directory-u-errno-enoent/176210 "2009-09-26T16:27:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jhosteny](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/bbe5ce/32.png) [@jhosteny](https://www.ruby-forum.com/u/jhosteny)\
**Post date:** [September 26, 2009, 4:27pm UTC](https://www.ruby-forum.com/t/autotest-no-such-file-or-directory-u-errno-enoent/176210/1 "2009-09-26T16:27:07Z")

</div>

Hi there,

I currently can not get autottest to run:

loading autotest/rails  
/opt/local/bin/ruby -I.:lib:test -rubygems -e “%w[test/unit  
test/functional/home\_controller\_test.rb  
test/unit/helpers/home\_helper\_test.rb].each { |f| require f }” |  
unit\_diff -u  
/opt/local/lib/ruby/gems/1.8/gems/ZenTest-4.1.4/lib/unit\_diff.rb:70:in  
`gets': No such file or directory - -u (Errno::ENOENT) from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-4.1.4/lib/unit_diff.rb:70:in`parse\_input’  
from  
/opt/local/lib/ruby/gems/1.8/gems/ZenTest-4.1.4/lib/unit\_diff.rb:182:in  
`unit_diff' from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-4.1.4/lib/unit_diff.rb:56:in`unit\_diff’  
from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-4.1.4/bin/unit\_diff:37  
from /opt/local/bin/unit\_diff:19:in `load' from /opt/local/bin/unit_diff:19 /opt/local/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:108:in`flush’: Broken pipe (Errno::EPIPE)  
from /opt/local/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:108:in  
`output' from /opt/local/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:51:in`setup\_mediator’  
from /opt/local/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:39:in  
`start' from /opt/local/lib/ruby/1.8/test/unit/ui/testrunnerutilities.rb:29:in`run’  
from /opt/local/lib/ruby/1.8/test/unit/autorunner.rb:216:in `run' from /opt/local/lib/ruby/1.8/test/unit/autorunner.rb:12:in`run’  
from /opt/local/lib/ruby/1.8/test/unit.rb:278  
from -e:1

Envrionment:

ZenTest 4.1.4  
MacOS Leopard

- RUBYGEMS VERSION: 1.3.5
- RUBY VERSION: 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9]

Anybody any idea what’s wrong here?

Regards,  
Johannes