def test_update(self): cluster = Cluster.instance() node = Node(oid=self.node_oid, hostname='hostname') cluster.store(node) node.vm_procs = dict(a='dummy') self.assertEqual(cluster.get(self.node_oid).vm_procs['a'], 'dummy') cluster.store(Node(oid=self.node_oid, hostname='hostname')) self.assertEqual(cluster.get(self.node_oid).vm_procs['a'], 'dummy')