def test_flow_detail_meta_update(self):
        lb_id = uuidutils.generate_uuid()
        lb_name = 'lb-%s' % (lb_id)
        lb = models.LogBook(name=lb_name, uuid=lb_id)
        fd = models.FlowDetail('test', uuid=uuidutils.generate_uuid())
        fd.meta = {'test': 42}
        lb.add(fd)

        with contextlib.closing(self._get_connection()) as conn:
            conn.save_logbook(lb)
            conn.update_flow_details(fd)

        fd.meta['test'] = 43
        with contextlib.closing(self._get_connection()) as conn:
            conn.update_flow_details(fd)
        with contextlib.closing(self._get_connection()) as conn:
            lb2 = conn.get_logbook(lb_id)
        fd2 = lb2.find(fd.uuid)
        self.assertEqual(43, fd2.meta.get('test'))
dataset/ETHPy150Open openstack/taskflow/taskflow/tests/unit/persistence/base.py/PersistenceTestMixin.test_flow_detail_meta_update/original