def test_can_pull_path(graph):
path = graph.cypher.execute_one("CREATE p=()-[:KNOWS]->()-[:KNOWS]->() RETURN p")
assert path.rels[0].properties["since"] is None
graph.cypher.run("START ab=rel({ab}) SET ab.since=1999", {"ab": path.rels[0]._id})
assert path.rels[0].properties["since"] is None
batch = PullBatch(graph)
batch.append(path)
batch.pull()
assert path.rels[0].properties["since"] == 1999
def test_can_pull_node(graph):
uri = graph.cypher.execute_one("CREATE (a {name:'Alice'}) RETURN a").uri
alice = Node()
alice.bind(uri)
assert alice.properties["name"] is None
batch = PullBatch(graph)
batch.append(alice)
batch.pull()
assert alice.properties["name"] == "Alice"
def test_can_pull_rel(graph):
uri = graph.cypher.execute_one("CREATE ()-[ab:KNOWS {since:1999}]->() RETURN ab").uri
ab = Relationship(None, "", None).rel
ab.bind(uri)
assert ab.type == ""
assert ab.properties["since"] is None
batch = PullBatch(graph)
batch.append(ab)
batch.pull()
assert ab.type == "KNOWS"
assert ab.properties["since"] == 1999
def test_can_pull_node_with_label(graph):
if not graph.supports_node_labels:
return
uri = graph.cypher.execute_one("CREATE (a:Person {name:'Alice'}) RETURN a").uri
alice = Node()
alice.bind(uri)
assert "Person" not in alice.labels
assert alice.properties["name"] is None
batch = PullBatch(graph)
batch.append(alice)
batch.pull()
assert "Person" in alice.labels
assert alice.properties["name"] == "Alice"