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140 lines
5.1 KiB
Python
140 lines
5.1 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', user_configs=["configs/users.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_system_settings(started_cluster):
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assert instance.query(
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"SELECT name, value, min, max, readonly from system.settings WHERE name = 'force_index_by_date'") == \
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"force_index_by_date\t0\t\\N\t\\N\t1\n"
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assert instance.query(
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"SELECT name, value, min, max, readonly from system.settings WHERE name = 'max_memory_usage'") == \
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"max_memory_usage\t10000000000\t5000000000\t20000000000\t0\n"
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assert instance.query("SELECT name, value, min, max, readonly from system.settings WHERE name = 'readonly'") == \
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"readonly\t0\t\\N\t\\N\t0\n"
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def test_system_constraints(started_cluster):
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assert_query_settings(instance, "SELECT 1",
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settings={'readonly': 0},
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exception="Cannot modify 'readonly'",
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user="readonly_user")
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assert_query_settings(instance, "SELECT 1",
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settings={'allow_ddl': 1},
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exception="Cannot modify 'allow_ddl'",
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user="no_dll_user")
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def test_read_only_constraint(started_cluster):
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# Default value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='force_index_by_date'",
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settings={},
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result="0")
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# Invalid value
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assert_query_settings(instance, "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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result=None,
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exception="Setting force_index_by_date should not be changed")
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def test_min_constraint(started_cluster):
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# Default value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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{},
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result="10000000000")
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# Valid value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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settings={'max_memory_usage': 5000000000},
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result="5000000000")
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# Invalid value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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settings={'max_memory_usage': 4999999999},
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result=None,
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exception="Setting max_memory_usage shouldn't be less than 5000000000")
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def test_max_constraint(started_cluster):
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# Default value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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{},
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result="10000000000")
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# Valid value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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settings={'max_memory_usage': 20000000000},
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result="20000000000")
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# Invalid value
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assert_query_settings(instance, "SELECT value FROM system.settings WHERE name='max_memory_usage'",
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settings={'max_memory_usage': 20000000001},
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result=None,
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exception="Setting max_memory_usage shouldn't be greater than 20000000000")
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def assert_query_settings(instance, query, settings, result=None, exception=None, user=None):
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"""
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Try and send the query with custom settings via all available methods:
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1. TCP Protocol with settings packet
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2. HTTP Protocol with settings params
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3. TCP Protocol with session level settings
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4. TCP Protocol with query level settings
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"""
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if not settings:
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settings = {}
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# tcp level settings
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if exception:
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assert exception in instance.query_and_get_error(query, settings=settings, user=user)
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else:
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assert instance.query(query, settings=settings, user=user).strip() == result
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# http level settings
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if exception:
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assert exception in instance.http_query_and_get_error(query, params=settings, user=user)
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else:
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assert instance.http_query(query, params=settings, user=user).strip() == result
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# session level settings
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queries = ""
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for k, v in list(settings.items()):
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queries += "SET {}={};\n".format(k, v)
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queries += query
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if exception:
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assert exception in instance.query_and_get_error(queries, user=user)
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else:
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assert instance.query(queries, user=user).strip() == result
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if settings:
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query += " SETTINGS "
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for ix, (k, v) in enumerate(settings.items()):
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query += "{} = {}".format(k, v)
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if ix != len(settings) - 1:
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query += ", "
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if exception:
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assert exception in instance.query_and_get_error(queries, user=user)
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else:
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assert instance.query(queries, user=user).strip() == result
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