module RSpec::Rails::ViewExampleGroup::ExampleMethods

def response
  # `assert_template` expects `response` to implement a #body method
  # like an `ActionDispatch::Response` does to force the view to
  # render. For backwards compatibility, we use #response as an alias
  # for #rendered, but it needs to implement #body to avoid
  # `assert_template` raising a `NoMethodError`.
  unless rendered.respond_to?(:body)
    def rendered.body
      self
    end
  end
  rendered
end