module ParallelTests::Tasks

def parse_args(args)
  # order as given by user
  args = [args[:count], args[:pattern], args[:options], args[:pass_through]]
  # count given or empty ?
  # parallel:spec[2,models,options]
  # parallel:spec[,models,options]
  count = args.shift if args.first.to_s =~ /^\d*$/
  num_processes = (count.to_s.empty? ? nil : Integer(count))
  pattern = args.shift
  options = args.shift
  pass_through = args.shift
  [num_processes, pattern, options, pass_through]
end