From: David Gamba <davidgamba@...>
Date: 2012-12-20T00:16:40+09:00
Subject: Re: Test::Unit : assert_aborts

I just found this thread and could only run the code with ruby 1.9.3 but my
server has 1.8.7 so I needed to tweak it a bit:

require 'test/unit'
require "stringio"

class TestA < Test::Unit::TestCase
   def assert_aborts(message)
     e = assert_raises SystemExit do
        previous_stderr = $stderr
        $stderr = StringIO.new
        yield
     end 
    assert_equal message, e.message
    ensure
        $stderr = previous_stderr
    end 

   def test_a
     assert_aborts "hi" do
       abort "hi"
     end 
   end 
end

Also one can change the assert_equal for an assert_match to use a regex.

Thanks :)





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