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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import pytest
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import uuid
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import time
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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/with_delay_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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yield cluster
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finally:
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cluster.shutdown()
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def test_undrop_drop_and_undrop_loop(started_cluster):
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# create, drop, undrop, drop, undrop table 5 times
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for _ in range(5):
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table_uuid = str(uuid.uuid1())
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table = f"test_undrop_loop"
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node.query(
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f"CREATE TABLE {table} "
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f"UUID '{table_uuid}' (id Int32) "
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f"Engine=MergeTree() ORDER BY id"
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)
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node.query(f"DROP TABLE {table}")
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node.query(f"UNDROP TABLE {table} UUID '{table_uuid}'")
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node.query(f"DROP TABLE {table}")
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# database_atomic_delay_before_drop_table_sec=3
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time.sleep(6)
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"""
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Expect two things:
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1. Table is dropped - UNKNOWN_TABLE in error
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2. Table in process of dropping - Return code: 60.
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The drop task of table ... (uuid) is in progress,
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has been dropped or the database engine doesn't support it
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"""
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error = node.query_and_get_error(f"UNDROP TABLE {table} UUID '{table_uuid}'")
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assert "UNKNOWN_TABLE" in error or "The drop task of table" in error
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