From: ara.t.howard@...
Date: 2006-10-25T07:29:13+09:00
Subject: Re: run test scripts concurrently

On Wed, 25 Oct 2006, Chris McMahon wrote:

> I've been futzing with this for some time and I am out of ideas.
> I have a number of files named "test_something.rb" that each contain
> one test like so:
>
> class TC_foo < Test::Unit::TestCase
>  def test_foo
> #do some stuff
> #assert some things
> end
> end
>
> I have a little harness that runs them one after another like so:
>
> topdir = File.join(File.dirname(__FILE__))
> Dir.chdir topdir do
>  tests = Dir["test*"]
>  tests.each{|x| require x}
> end
>
> But I would like to be able to run each individual script file in it's
> own process simultaneously.  I have been fooling around with
> Thread.new, system(), exec(), and it seems that no matter what I try,
> each script file has to finish before the next one will run.
>
> Any suggestions for running all of my test files at the same time from
> one controller/harness?

threads = []

Dir.chdir topdir do
   tests = Dir["test*"]
   tests.each{|x| threads << Thread.new{ system x or raise x } }
end

threads.each{|t| t.join}

-a
-- 
my religion is very simple.  my religion is kindness. -- the dalai lama