class Autotest

def make_test_cmd files_to_test
  cmds = []
  full, partial = reorder(files_to_test).partition { |k,v| v.empty? }
  base_cmd = "#{ruby} -I#{libs} -rubygems"
  unless full.empty? then
    classes = full.map {|k,v| k}.flatten.uniq
    classes.unshift testlib
    cmds << "#{base_cmd} -e \"%w[#{classes.join(' ')}].each { |f| require f }\" | #{unit_diff}"
  end
  partial.each do |klass, methods|
    regexp = Regexp.union(*methods).source
    cmds << "#{base_cmd} #{klass} -n \"/^(#{regexp})$/\" | #{unit_diff}"
  end
  return cmds.join("#{SEP} ")
end