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211 lines
5.8 KiB
Python
211 lines
5.8 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 (
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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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)
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== "force_index_by_date\t0\t\\N\t\\N\t1\n"
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)
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assert (
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instance.query(
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"SELECT name, value, min, max, readonly from system.settings WHERE name = 'max_memory_usage'"
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)
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== "max_memory_usage\t10000000000\t5000000000\t20000000000\t0\n"
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)
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assert (
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instance.query(
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"SELECT name, value, min, max, readonly from system.settings WHERE name = 'readonly'"
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)
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== "readonly\t0\t\\N\t\\N\t0\n"
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)
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assert (
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instance.query(
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"SELECT name, value, min, max, readonly from system.settings WHERE name = 'alter_sync'"
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)
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== "alter_sync\t2\t\\N\t\\N\t1\n"
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)
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def test_system_constraints(started_cluster):
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assert_query_settings(
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instance,
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"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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)
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assert_query_settings(
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instance,
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"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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)
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def test_read_only_constraint(started_cluster):
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# Default value
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assert_query_settings(
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instance,
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"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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)
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# Invalid value
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assert_query_settings(
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instance,
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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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result=None,
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exception="Setting force_index_by_date should not be changed",
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)
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# Invalid value
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assert_query_settings(
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instance,
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"SELECT value FROM system.settings WHERE name= 'replication_alter_partitions_sync'",
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settings={"replication_alter_partitions_sync": 1},
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result=None,
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exception="Setting alter_sync should not be changed",
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)
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# Invalid value
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assert_query_settings(
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instance,
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"SELECT value FROM system.settings WHERE name= 'alter_sync'",
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settings={"alter_sync": 1},
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result=None,
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exception="Setting alter_sync should not be changed",
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)
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def test_min_constraint(started_cluster):
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# Default value
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assert_query_settings(
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instance,
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"SELECT value FROM system.settings WHERE name='max_memory_usage'",
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{},
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result="10000000000",
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)
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# Valid value
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assert_query_settings(
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instance,
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"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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)
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# Invalid value
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assert_query_settings(
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instance,
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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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result=None,
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exception="Setting max_memory_usage shouldn't be less than 5000000000",
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)
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def test_max_constraint(started_cluster):
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# Default value
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assert_query_settings(
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instance,
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"SELECT value FROM system.settings WHERE name='max_memory_usage'",
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{},
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result="10000000000",
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)
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# Valid value
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assert_query_settings(
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instance,
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"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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)
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# Invalid value
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assert_query_settings(
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instance,
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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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result=None,
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exception="Setting max_memory_usage shouldn't be greater than 20000000000",
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)
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def assert_query_settings(
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instance, query, settings, result=None, exception=None, user=None
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):
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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(
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query, settings=settings, user=user
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)
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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(
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query, params=settings, user=user
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)
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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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