def test_autocommit_transactions_should_support_timeout(self):
with self.driver.session() as s1:
s1.run("CREATE (a:Node)").consume()
with self.driver.session() as s2:
tx1 = s1.begin_transaction()
tx1.run("MATCH (a:Node) SET a.property = 1").consume()
with self.assertRaises(TransientError):
s2.run(Statement("MATCH (a:Node) SET a.property = 2", timeout=0.25)).consume()
def test_autocommit_transactions_should_support_metadata(self):
metadata_in = {"foo": "bar"}
with self.driver.session() as session:
try:
metadata_out = session.run(Statement("CALL dbms.getTXMetaData", metadata=metadata_in)).single().value()
except ClientError as e:
if e.code == "Neo.ClientError.Procedure.ProcedureNotFound":
raise SkipTest("Cannot assert correct metadata as Neo4j edition does not "
"support procedure dbms.getTXMetaData")
else:
raise
else:
self.assertEqual(metadata_in, metadata_out)
def test_autocommit_transactions_should_support_metadata(session):
metadata_in = {"foo": "bar"}
try:
statement = Statement("CALL dbms.getTXMetaData", metadata=metadata_in)
metadata_out = session.run(statement).single().value()
except ClientError as e:
if e.code == "Neo.ClientError.Procedure.ProcedureNotFound":
raise SkipTest("Cannot assert correct metadata as Neo4j edition "
"does not support procedure dbms.getTXMetaData")
else:
raise
else:
assert metadata_in == metadata_out
def test_statement_object_not_supported(self):
with self.driver.session() as session:
with session.begin_transaction() as tx:
with self.assertRaises(ValueError):
tx.run(Statement("RETURN 1", timeout=0.25))
def test_statement_object(self):
with self.driver.session() as session:
value = session.run(Statement("RETURN $x"), x=1).single().value()
self.assertEqual(value, 1)
def add_person_within_a_second(self, name):
with self.driver.session() as session:
session.run(Statement("CREATE (a:Person {name: $name})",
timeout=1.0),
name=name)
def test_statement_object(self):
if self.protocol_version() < 3:
raise SkipTest("Test requires Bolt v3")
with self.driver.session() as session:
value = session.run(Statement("RETURN $x"), x=1).single().value()
self.assertEqual(value, 1)
def test_statement_object(session):
value = session.run(Statement("RETURN $x"), x=1).single().value()
assert value == 1