module Fog module Compute class OpenStack class Real def list_servers request( :expects => [200, 203], :method => 'GET', :path => 'servers.json' ) end end class Mock def list_servers response = Excon::Response.new data = list_servers_detail.body['servers'] servers = [] for server in data servers << server.reject { |key, value| !['id', 'name', 'links'].include?(key) } end response.status = [200, 203][rand(1)] response.body = { 'servers' => servers } response end end end end end