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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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instance = cluster.add_instance('instance')
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@pytest.fixture(scope="module", autouse=True)
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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_persistence():
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create_function_query1 = "CREATE FUNCTION MySum1 AS (a, b) -> a + b"
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create_function_query2 = "CREATE FUNCTION MySum2 AS (a, b) -> MySum1(a, b) + b"
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instance.query(create_function_query1)
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instance.query(create_function_query2)
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assert instance.query("SELECT MySum1(1,2)") == "3"
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assert instance.query("SELECT MySum2(1,2)") == "5"
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cluster.shutdown()
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cluster.start()
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instance = cluster.add_instance('instance')
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assert instance.query("SELECT MySum1(1,2)") == "3"
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assert instance.query("SELECT MySum2(1,2)") == "5"
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instance.query("DROP FUNCTION MySum2")
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instance.query("DROP FUNCTION MySum1")
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cluster.shutdown()
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cluster.start()
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instance = cluster.add_instance('instance')
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assert "Unknown function MySum1" in instance.query("SELECT MySum1(1, 2)")
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assert "Unknown function MySum2" in instance.query("SELECT MySum2(1, 2)")
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