def _set_up_controller(self):
     self.ext_mgr = None
     self.controller = used_limits_v21.UsedLimitsController()
     patcher = self.mock_can = mock.patch('nova.context.RequestContext.can')
     self.mock_can = patcher.start()
     self.addCleanup(patcher.stop)
 def _set_up_controller(self):
     self.ext_mgr = None
     self.controller = used_limits_v21.UsedLimitsController()
     self.mox.StubOutWithMock(used_limits_v21, 'authorize')
     self.authorize = used_limits_v21.authorize