module ThoughtBot::Shoulda::ActiveRecord::Macros

def should_have_class_methods(*methods)
  get_options!(methods)
  klass = model_class
  methods.each do |method|
    should "respond to class method ##{method}" do
      assert_respond_to klass, method, "#{klass.name} does not have class method #{method}"
    end
  end
end