helper.rb

@ready_file = 'sauce_ready'

# Get the Sauce configuration information
cfg = Sauce::Config.new()
# Create a command to spawn the jar file
cmd = "java -jar Sauce-Connect.jar -f #{@ready_file} #{cfg.opts[:username]} #{cfg.opts[:access_key]}"
# Create a command to kill it when we're done
#  Source: http://goo.gl/CCiFz
kill_cmd = "ps aux | grep -e '#{cmd}' | grep -v grep | awk '{print $2}' | xargs -i kill {}"

# Fork the jar
(`#{cmd} > /dev/null 2>&1` and exit) if fork.nil?

# Make sure to finish things off when the tests are done
at_exit{`#{kill_cmd}`}

# Wait for Sauce to be ready
until File.exists?(@ready_file)
  puts "Waiting for Sauce Connect"
  sleep 5
end