ClickHouse/tests/integration/test_shutdown_wait_unfinished_queries/test.py

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import pytest
import threading
import time
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node_wait_queries = cluster.add_instance(
"node_wait_queries", main_configs=["configs/config_wait.xml"], stay_alive=True
)
node_kill_queries = cluster.add_instance(
"node_kill_queries", main_configs=["configs/config_kill.xml"], stay_alive=True
)
global result
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def do_long_query(node):
global result
result = node.query_and_get_answer_with_error(
"SELECT sleepEachRow(1) FROM system.numbers LIMIT 10",
settings={"send_logs_level": "trace"},
)
def test_shutdown_wait_unfinished_queries(start_cluster):
global result
long_query = threading.Thread(target=do_long_query, args=(node_wait_queries,))
long_query.start()
time.sleep(1)
node_wait_queries.stop_clickhouse(kill=False)
long_query.join()
assert result[0].count("0") == 10
long_query = threading.Thread(target=do_long_query, args=(node_kill_queries,))
long_query.start()
time.sleep(1)
node_kill_queries.stop_clickhouse(kill=False)
long_query.join()
assert "QUERY_WAS_CANCELLED" in result[1]