ClickHouse/tests/integration/test_table_db_num_limit/test.py

47 lines
1.2 KiB
Python

import pytest
from helpers.client import QueryRuntimeException
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance("node", main_configs=["config/config.xml"])
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_table_db_limit(started_cluster):
# By the way, default database already exists.
for i in range(9):
node.query("create database db{}".format(i))
with pytest.raises(QueryRuntimeException) as exp_info:
node.query("create database db_exp".format(i))
assert "TOO_MANY_DATABASES" in str(exp_info)
for i in range(10):
node.query("create table t{} (a Int32) Engine = Log".format(i))
# This checks that system tables are not accounted in the number of tables.
node.query("system flush logs")
for i in range(10):
node.query("drop table t{}".format(i))
for i in range(10):
node.query("create table t{} (a Int32) Engine = Log".format(i))
with pytest.raises(QueryRuntimeException) as exp_info:
node.query("create table default.tx (a Int32) Engine = Log")
assert "TOO_MANY_TABLES" in str(exp_info)