def test_transient_error_is_retriable_case_2():
error = Neo4jError.hydrate(
message="Test error message",
code="Neo.TransientError.Transaction.LockClientStopped")
assert isinstance(error, TransientError)
assert error.is_retriable() is False
def test_neo4jerror_hydrate_with_message_and_code_rubish():
error = Neo4jError.hydrate(message="Test error message", code="ASDF_asdf")
assert isinstance(error, DatabaseError)
assert error.classification == CLASSIFICATION_DATABASE
assert error.category == "General"
assert error.title == "UnknownError"
assert error.metadata == {}
assert error.message == "Test error message"
assert error.code == "ASDF_asdf"
def test_neo4jerror_hydrate_with_no_args():
error = Neo4jError.hydrate()
assert isinstance(error, DatabaseError)
assert error.classification == CLASSIFICATION_DATABASE
assert error.category == "General"
assert error.title == "UnknownError"
assert error.metadata == {}
assert error.message == "An unknown error occurred"
assert error.code == "Neo.DatabaseError.General.UnknownError"
def on_failure(self, metadata):
""" Called when a FAILURE message has been received.
"""
self.connection.reset()
handler = self.handlers.get("on_failure")
if callable(handler):
handler(metadata)
handler = self.handlers.get("on_summary")
if callable(handler):
handler()
raise Neo4jError.hydrate(**metadata)
def test_neo4jerror_hydrate_with_message_and_code_client():
error = Neo4jError.hydrate(
message="Test error message",
code="Neo.{}.General.TestError".format(CLASSIFICATION_CLIENT))
assert isinstance(error, ClientError)
assert error.classification == CLASSIFICATION_CLIENT
assert error.category == "General"
assert error.title == "TestError"
assert error.metadata == {}
assert error.message == "Test error message"
assert error.code == "Neo.{}.General.TestError".format(
CLASSIFICATION_CLIENT)
def get_one(tx):
result = tx.run("UNWIND [1,2,3,4] AS x RETURN x")
records = list(result)
pytest.global_counter += 1
if pytest.global_counter < 3:
database_unavailable = Neo4jError.hydrate(
message=
"The database is not currently available to serve your request, refer to the database logs for more details. Retrying your request at a later time may succeed.",
code="Neo.TransientError.Database.DatabaseUnavailable")
raise database_unavailable
return records
def on_failure(self, metadata):
""" Called when a FAILURE message has been received.
"""
try:
self.connection.reset()
except (SessionExpired, ServiceUnavailable):
pass
handler = self.handlers.get("on_failure")
if callable(handler):
handler(metadata)
handler = self.handlers.get("on_summary")
if callable(handler):
handler()
raise Neo4jError.hydrate(**metadata)
def test_transient_error_is_retriable_case_3():
error = Neo4jError.hydrate(message="Test error message",
code="Neo.TransientError.General.TestError")
assert isinstance(error, TransientError)
assert error.is_retriable() is True