module Fog module OpenStack class Compute class Real def list_images request( :expects => [200, 203], :method => 'GET', :path => 'images' ) end end class Mock def list_images response = Excon::Response.new data = list_images_detail.body['images'] images = [] data.each do |image| images << image.reject { |key, _value| !['id', 'name', 'links'].include?(key) } end response.status = [200, 203][rand(2)] response.body = {'images' => images} response end end end end end