module Cucumber::Constantize

def constantize(camel_cased_word)
  try = 0
  begin
    try += 1
    names = camel_cased_word.split('::')
    names.shift if names.empty? || names.first.empty?
    constant = Object
    names.each do |name|
      constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
    end
    constant
  rescue NameError => e
    require underscore(camel_cased_word)
    if try < 2
      retry
    else
      raise e
    end
  end
end