ClickHouse/tests/integration/test_truncate_database/test_replicated.py
Bharat Nallan Chakravarthy 73ea9b058f add integration tests
2023-08-10 21:14:47 -07:00

57 lines
1.5 KiB
Python

import time
import pytest
from helpers.cluster import ClickHouseCluster
def fill_nodes(nodes, shard):
for node in nodes:
node.query(
"""
CREATE DATABASE test;
CREATE TABLE test.test_table(date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date);
""".format(
shard=shard, replica=node.name
)
)
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance(
"node1", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
)
node2 = cluster.add_instance(
"node2", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
)
node3 = cluster.add_instance(
"node3", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
fill_nodes([node1, node2, node3], 1)
yield cluster
except Exception as ex:
print(ex)
finally:
cluster.shutdown()
def test_truncate_database_replicated(start_cluster):
node1.query(
"INSERT INTO test.test_table SELECT number, toString(number) FROM numbers(100)"
)
assert node2.query("SELECT id FROM test.test_table LIMIT 1") == "0\n"
assert node3.query("SHOW DATABASES LIKE 'test'") == "test\n"
node3.query("TRUNCATE DATABASE test ON CLUSTER test_cluster SYNC")
assert node2.query("SHOW TABLES FROM test") == ""