memgraph/tests/e2e/streams/conftest.py
2021-07-22 16:22:08 +02:00

46 lines
1.4 KiB
Python

import pytest
from kafka import KafkaProducer
from kafka.admin import KafkaAdminClient, NewTopic
from common import execute_and_fetch_all, connect, NAME
# To run these test locally a running Kafka sever is necessery. The test tries
# to connect on localhost:9092.
@pytest.fixture(autouse=True)
def connection():
connection = connect()
yield connection
cursor = connection.cursor()
execute_and_fetch_all(cursor, "MATCH (n) DETACH DELETE n")
stream_infos = execute_and_fetch_all(cursor, "SHOW STREAMS")
for stream_info in stream_infos:
execute_and_fetch_all(cursor, f"DROP STREAM {stream_info[NAME]}")
users = execute_and_fetch_all(cursor, "SHOW USERS")
for username, in users:
execute_and_fetch_all(cursor, f"DROP USER {username}")
@pytest.fixture(scope="function")
def topics():
admin_client = KafkaAdminClient(
bootstrap_servers="localhost:9092", client_id='test')
topics = []
topics_to_create = []
for index in range(3):
topic = f"topic_{index}"
topics.append(topic)
topics_to_create.append(NewTopic(name=topic,
num_partitions=1, replication_factor=1))
admin_client.create_topics(new_topics=topics_to_create, timeout_ms=5000)
yield topics
admin_client.delete_topics(topics=topics, timeout_ms=5000)
@pytest.fixture(scope="function")
def producer():
yield KafkaProducer(bootstrap_servers="localhost:9092")