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42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# pylint: disable=redefined-outer-name
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# pylint: disable=unused-argument
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance("node", main_configs=["configs/config.xml"])
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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node.query(
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"""
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create table t (number UInt64)
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engine = Distributed(test_cluster_two_shards, system, numbers)
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"""
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)
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yield cluster
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finally:
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cluster.shutdown()
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def test_filled_async_drain_connection_pool(started_cluster):
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def execute_queries(_):
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for _ in range(100):
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node.query(
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"select * from t where number = 0 limit 2",
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settings={
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"sleep_in_receive_cancel_ms": int(10e6),
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"max_execution_time": 5,
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# decrease drain_timeout to make test more stable
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# (another way is to increase max_execution_time, but this will make test slower)
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"drain_timeout": 1,
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},
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)
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any(map(execute_queries, range(10)))
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