ClickHouse/tests/integration/test_dictionaries_config_reload/test.py
2021-10-26 09:02:13 +03:00

66 lines
2.1 KiB
Python

import os
import sys
import time
import logging
import pytest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node', stay_alive=True, main_configs=['config/dictionaries_config.xml'])
def copy_file_to_container(local_path, dist_path, container_id):
os.system("docker cp {local} {cont_id}:{dist}".format(local=local_path, cont_id=container_id, dist=dist_path))
config = '''<clickhouse>
<dictionaries_config>/etc/clickhouse-server/dictionaries/{dictionaries_config}</dictionaries_config>
</clickhouse>'''
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
copy_file_to_container(os.path.join(SCRIPT_DIR, 'dictionaries/.'), '/etc/clickhouse-server/dictionaries', node.docker_id)
node.query("CREATE TABLE dictionary_values (id UInt64, value_1 String, value_2 String) ENGINE=TinyLog;")
node.query("INSERT INTO dictionary_values VALUES (0, 'Value_1', 'Value_2')")
node.restart_clickhouse()
yield cluster
finally:
cluster.shutdown()
def change_config(dictionaries_config):
node.replace_config("/etc/clickhouse-server/config.d/dictionaries_config.xml", config.format(dictionaries_config=dictionaries_config))
node.query("SYSTEM RELOAD CONFIG;")
def test(started_cluster):
# Set config with the path to the first dictionary.
change_config("dictionary_config.xml")
time.sleep(10)
assert node.query("SELECT dictGet('test_dictionary_1', 'value_1', toUInt64(0));") == 'Value_1\n'
# Change path to the second dictionary in config.
change_config("dictionary_config2.xml")
time.sleep(10)
# Check that the new dictionary is loaded.
assert node.query("SELECT dictGet('test_dictionary_2', 'value_2', toUInt64(0));") == 'Value_2\n'
# Check that the previous dictionary was unloaded.
node.query_and_get_error("SELECT dictGet('test_dictionary_1', 'value', toUInt64(0));")