spec_helper.rb

  module DelayedJobHelper
    def stub_send_later(klass)
      old_method = klass.method(:send_later)

      klass.module_eval do
        def self.send_later(method, *args)
          self.send(method, *args)
        end
      end

      old_method
    end

    def unstub_send_later(klass, old_method)
      klass.module_eval <<EVAL
        def self.send_later(method, *args)
          #{old_method}.call(method, args)
        end
EVAL
    end
  end