def merge_nodes_and_relationships(tx: Transaction, nodes: List[Node],
relationships: List[Relationship]):
for node in nodes:
tx.merge(node)
for rel in relationships:
tx.merge(rel)
def test_should_fail_on_tx_merge_object():
tx = Transaction(FakeGraph())
with raises(TypeError):
tx.merge(object())
def create_or_merge_relationship(self, relation: Relationship,
context: Transaction):
if self.graph().exists(relation) is True:
context.merge(relation)
else:
context.create(relation)