'Test getting empty cluster with summary information.'

def test_cluster_get_with_summary_empty_cluster(self):

    cluster = utils.create_cluster(self.ctxt)
    db_cluster = db.cluster_get(self.ctxt, cluster.id, services_summary=True)
    self.assertEqual(0, db_cluster.num_hosts)
    self.assertEqual(0, db_cluster.num_down_hosts)
    self.assertIsNone(db_cluster.last_heartbeat)
