class Autotest

def path_to_classname(s)
  sep = File::SEPARATOR
  f = s.sub(/^test#{sep}/, '').sub(/\.rb$/, '').split(sep)
  f = f.map { |path| path.split(/_|(\d+)/).map { |seg| seg.capitalize }.join }
  f = f.map { |path| path =~ /^Test/ ? path : "Test#{path}"  }
  f.join('::')
end