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85 lines
3.3 KiB
Python
85 lines
3.3 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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config_dir="configs")
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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_read_only_constraint(started_cluster):
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# Change a setting for session with SET.
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assert instance.query("SELECT value FROM system.settings WHERE name='force_index_by_date'") ==\
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"0\n"
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expected_error = "Setting force_index_by_date should not be changed"
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assert expected_error in instance.query_and_get_error("SET force_index_by_date=1")
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# Change a setting for query with SETTINGS.
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assert instance.query("SELECT value FROM system.settings WHERE name='force_index_by_date'") ==\
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"0\n"
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assert expected_error in instance.query_and_get_error(
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"SELECT value FROM system.settings WHERE name='force_index_by_date' "
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"SETTINGS force_index_by_date=1")
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def test_min_constraint(started_cluster):
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# Change a setting for session with SET.
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assert instance.query("SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"10000000000\n"
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assert instance.query("SET max_memory_usage=5000000000;\n"
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"SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"5000000000\n"
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expected_error = "Setting max_memory_usage shouldn't be less than 5000000000"
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assert expected_error in instance.query_and_get_error("SET max_memory_usage=4999999999")
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# Change a setting for query with SETTINGS.
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assert instance.query("SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"10000000000\n"
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assert instance.query("SET max_memory_usage=5000000001;\n"
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"SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"5000000001\n"
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assert expected_error in instance.query_and_get_error(
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"SELECT value FROM system.settings WHERE name='max_memory_usage' "
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"SETTINGS max_memory_usage=4999999999")
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def test_max_constraint(started_cluster):
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# Change a setting for session with SET.
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assert instance.query("SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"10000000000\n"
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assert instance.query("SET max_memory_usage=20000000000;\n"
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"SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"20000000000\n"
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expected_error = "Setting max_memory_usage shouldn't be greater than 20000000000"
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assert expected_error in instance.query_and_get_error("SET max_memory_usage=20000000001")
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# Change a setting for query with SETTINGS.
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assert instance.query("SELECT value FROM system.settings WHERE name='max_memory_usage'") ==\
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"10000000000\n"
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assert instance.query("SELECT value FROM system.settings WHERE name='max_memory_usage' "
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"SETTINGS max_memory_usage=19999999999") == "19999999999\n"
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assert expected_error in instance.query_and_get_error(
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"SELECT value FROM system.settings WHERE name='max_memory_usage' "
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"SETTINGS max_memory_usage=20000000001")
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