My autotest config file. With colored Growl support for Test::Unit and RSpec. Save in ~/.autotest

autotest.rb

require 'autotest/redgreen'

Autotest.send(:alias_method, :real_make_test_cmd, :make_test_cmd)
Autotest.send(:define_method, :make_test_cmd) do |*args|
  real_make_test_cmd(*args).sub('test/unit', %[rubygems -e "require 'redgreen'"])
end

Autotest.add_hook :initialize do |autotest|
  autotest.add_exception(/^\.\/vendor/)
  autotest.add_exception(/\.svn/)
  autotest.add_exception(/\.git/)
  autotest.add_mapping(/stories\/all.rb/) do |f, _|
    autotest.files_matching %r%^spec/(controllers|helpers|lib|models|views)/.*\.rb$%
  end
end

module Autotest::Growl

  def self.growl title, msg, pri=-1, stick="" 
    system "growlnotify -n autotest -p #{pri} -m #{msg.inspect} #{title} #{stick}" 
  end
  
  def self.parse_results(autotest_results)
    keys = %w(test example failure error pending fixed)
    output = (autotest_results.last||"")
    results = {}
    keys.each do |key|
      output =~ /(\d+) #{key}/
      results[key] = $1.to_i || 0
    end
    results
  end
  
  Autotest.add_hook :ran_command do |autotest|
    autotest_output = (autotest.results.last||"").slice(/(\d+) (test||example)[^\e]*/)
    output = parse_results(autotest.results)
    if output['failure'] == 0 && output['error'] == 0 && output['pending'] == 0
      growl "Test Results", autotest_output, -2
    elsif output['failure'] == 0 && output['error'] == 0 && output['pending'] > 0
      growl "Test Results", autotest_output, -1
    elsif output['failure'] == 0 && output['error'] == 0
      growl "Test Results", autotest_output, 0
    elsif output['fixed'] > 0
      growl "Test Results", autotest_output, 0
    else
      growl "Test Results", autotest_output, 1#, "-s" 
    end unless autotest_output.nil?
  end

end