class CucumberPriority::Util

Public Class Methods

alias_chain(mod, target, feature) { |aliased_target, punctuation| ... } click to toggle source
# File lib/cucumber_priority/util.rb, line 5
def alias_chain(mod, target, feature)
  mod.class_eval do
    # Strip out punctuation on predicates, bang or writer methods since
    # e.g. target?_without_feature is not a valid method name.
    aliased_target, punctuation = target.to_s.sub(/([?!=])$/, ''), $1
    yield(aliased_target, punctuation) if block_given?

    with_method = "#{aliased_target}_with_#{feature}#{punctuation}"
    without_method = "#{aliased_target}_without_#{feature}#{punctuation}"

    alias_method without_method, target
    alias_method target, with_method

    case
      when public_method_defined?(without_method)
        public target
      when protected_method_defined?(without_method)
        protected target
      when private_method_defined?(without_method)
        private target
    end
  end
end