My ~/.autotest

.autotest.rb

require 'pathname'
p = Pathname.new(__FILE__)
puts "loading #{p.realpath}"

# Load sound effects library and sounds
# From http://fozworks.com/2007/7/28/autotest-sound-effects
require '~/.autotest_extras/sound.rb'
Autotest::Sound.sound_path = "~/.autotest_extras/sound_fx/" 

# Tell autotest to ignore changes to files that infrequently change or aren't related
# to our tests
# From http://www.nabble.com/Re%3A-changes-in-rspec%27s-trunk-and-autotest-p14759325.html
Autotest.add_hook :initialize do |at|
  %w(.svn .git .DS_Store .rake .tar.gz .jpg .png stories tmtags Rakefile
  Capfile README vendor/gems vendor/plugins vendor/rails .log db/migrate
  db/schema doc/api doc/plugins script config public spec/spec.opts
  spec/rcov.opts .autotest).each do |exception|
    at.add_exception(exception)
  end
end

# Configure Autotest to use Growl for test results notifications
# From http://wincent.com/knowledge-base/Setting_up_autotest_to_use_Growl
module Autotest::Growl
  
  def self.growl title, msg, img, pri=0, sticky=""
    # growlnotify supposedly works now under Leopard; you can use AppleScript
    # instead if you want
    # system "osascript ~/.autotest_extras/growlNotify.applescript '#{title}' '#{msg}' '#{img}' '#{pri}'"
    `growlnotify -n autotest --image "#{img}" -p "#{pri}" -m "#{msg}" "#{title}" #{sticky}`
  end

  Autotest.add_hook :ran_command do |at|
    image_root = "/Users/chrisk/.autotest_extras/images"
    results = [at.results].flatten.last
    is_rspec        = results =~ /example/
    is_testunit     = results =~ /test/
    is_hook_misfire = results.nil?
    
    if is_rspec
      output = results.slice(/(\d+)\s+examples?,\s*(\d+)\s+failures?(,\s*(\d+)\s+pending)?/)
      num_errors = $~[2].to_i
      num_pending = $~[4].nil? ? 0 : $~[4].to_i
    elsif is_testunit
      output = results.slice(/(\d+)\s+tests?,\s*(\d+)\s+assertions?,\s*(\d+)\s+failures?,\s*(\d+)\s+errors?/)
      num_errors = $~[3].to_i + $~[4].to_i
      num_pending = 0
    elsif is_hook_misfire
      output = "Hook misfire: a file changed with no mapping to a test. Add an autotest exception?"
      num_errors = 0
      num_pending = 1
    else
      output = "Exception raised during tests"
      num_errors = 1
    end
    
    if output
      if num_errors > 0        
        growl "Fail", "#{output}", "#{image_root}/fail_whale.png", 2
      elsif num_pending > 0
        growl "Incomplete", "#{output}", "#{image_root}/rails_warning.png", 1
      else
        growl "Pass", "#{output}", "#{image_root}/rails_pass.png", -2
      end
    end
  end
    
end