CarrierWave Uploader spec stubbing

carrierwave.rb

CarrierWave::Uploader::Base.descendants.each do |klass|
  next if klass.anonymous?
  klass.class_eval do
    def cache_dir
      "#{Rails.root}/public/system/test/#{Process.pid.to_s}/tmp"
    end

    def store_dir
      "#{Rails.root}/public/system/test/#{Process.pid.to_s}/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
    end

    def url
      super
    end
  end
end