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67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
# pylint: disable=line-too-long
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# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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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_default")
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system_logs = [
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# disabled by default
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("system.text_log", 0),
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# enabled by default
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("system.query_log", 1),
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("system.query_thread_log", 1),
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("system.part_log", 1),
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("system.trace_log", 1),
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("system.metric_log", 1),
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]
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@pytest.fixture(scope="module", autouse=True)
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture(scope="function")
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def flush_logs():
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node.query("SYSTEM FLUSH LOGS")
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@pytest.mark.parametrize("table,exists", system_logs)
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def test_system_logs(flush_logs, table, exists):
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q = "SELECT * FROM {}".format(table)
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if exists:
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node.query(q)
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else:
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assert "Table {} doesn't exist".format(table) in node.query_and_get_error(q)
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# Logic is tricky, let's check that there is no hang in case of message queue
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# is not empty (this is another code path in the code).
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def test_system_logs_non_empty_queue():
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node.query(
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"SELECT 1",
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settings={
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# right now defaults are the same,
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# this set explicitly to avoid depends from defaults.
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"log_queries": 1,
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"log_queries_min_type": "QUERY_START",
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},
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)
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node.query("SYSTEM FLUSH LOGS")
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def test_system_suspend():
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node.query("CREATE TABLE t (x DateTime) ENGINE=Memory;")
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node.query("INSERT INTO t VALUES (now());")
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node.query("SYSTEM SUSPEND FOR 1 SECOND;")
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node.query("INSERT INTO t VALUES (now());")
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assert "1\n" == node.query("SELECT max(x) - min(x) >= 1 FROM t;")
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