module Cucumber::Constantize

def constantize(camel_cased_word)
  begin
    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
    require underscore(camel_cased_word)
    retry
  end
end