This is a simple script that will run spec test suite for files in lib directory. Ideal for testing a gem

gistfile2.txt

simple_rspec_watchr.rb

first_run = true

def run_test_suite
  puts ("rspec spec/")
  result = %x[rspec --color spec/]
  send_growl_notification(result)
  puts result
  system('clear')
end

def parse_results(result_string)
  result_hash = result_string.match(/([1-9]+) example[s]*, ([0-9]+) failures/).captures
  {:failures => result_hash[1], :number_tests => result_hash[0]}
end

def send_growl_notification(result_text)
  result_hash = parse_results(result_text)
  title = "Test Results"
  message = "#{result_hash[:number_tests]} examples, #{result_hash[:failures]} failures"
  system(%Q[growlnotify -t "#{title}" -m "#{message}"])
end

#watch the lib directory and if anything changes run the whole test suite
watch('lib/(.*)\.rb'){ run_test_suite} 
watch('spec/*') {run_test_suite}

#run the full test suite when watchr is first run
if first_run 
  run_test_suite
  first_run = false
end