def test_delete(self):
"""Test if topology nodes exist after deleting a topology.
"""
topology = Topology()
node = TopoNode()
topology.add_elts(node)
topology.save(manager=self.manager)
node = self.manager.get_elts(node.id)
self.assertIsNotNone(node)
topology.delete(manager=self.manager)
node = self.manager.get_elts(node.id)
self.assertIsNone(node)
