Class: CucumberPriority::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/cucumber_priority/util.rb

Class Method Summary collapse

Class Method Details

.alias_chain(mod, target, feature) ⇒ Object 



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# 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