# File lib/fog/openstack/requests/compute/get_usage.rb, line 21
        def get_usage(tenant_id, date_start, date_end)
          response        = Excon::Response.new
          response.status = 200
          response.body   = {"tenant_usage"=>
                              {"total_memory_mb_usage" => 0.0,
                               "total_vcpus_usage"     => 0.0,
                               "total_hours"           => 0.0,
                               "tenant_id"             => tenant_id,
                               "stop"                  => date_start,
                               "start"                 => date_end,
                               "total_local_gb_usage"  => 0.0,
                               "server_usages" =>[{
                                 "hours"       => 0.0,
                                 "uptime"      => 69180,
                                 "local_gb"    => 0,
                                 "ended_at"    => nil,
                                 "name"        => "test server",
                                 "tenant_id"   => tenant_id,
                                 "vcpus"       => 1,
                                 "memory_mb"   => 512,
                                 "state"       => "active",
                                 "flavor"      => "m1.tiny",
                                 "started_at"  => "2012-03-05 09:11:44"
                                  }
                                ]
                              }
                            }
        response
      end