From: Eric Boucher <devlists-ruby-talk@...>
Date: 2006-09-09T04:29:53+09:00
Subject: Unit test an output with puts

Hi,

I want to be able to unit/test an output with the method 'puts'. Here's  
a small example of what I'm trying to achieve:

#-------8<--------
class Foo
  def output
    puts "bar"
  end
end
#-------8<--------

...and in my test

#-------8<--------
require 'unit/test'
...
def test_output
   myFoo = Foo.new
   assert_equal("bar", myFoo.output)
end
#-------8<--------

The problem is that the 'puts' method returns nil and I don't know how  
to catch the output.

Thanks in advance.
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