ClickHouse/dbms/tests/integration/test_distributed_ddl_password/test.py

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import time
import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', config_dir="configs", with_zookeeper=True)
node2 = cluster.add_instance('node2', config_dir="configs", with_zookeeper=True)
node3 = cluster.add_instance('node3', config_dir="configs", with_zookeeper=True)
node4 = cluster.add_instance('node4', config_dir="configs", with_zookeeper=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
for node, shard in [(node1, 1), (node2, 1), (node3, 2), (node4, 2)]:
node.query(
'''
CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}')
PARTITION BY date
ORDER BY id
'''.format(shard=shard, replica=node.name), settings={"password": "clickhouse"})
yield cluster
finally:
cluster.shutdown()
def test_truncate(start_cluster):
node1.query("insert into test_table values ('2019-02-15', 1, 2), ('2019-02-15', 2, 3), ('2019-02-15', 3, 4)", settings={"password": "clickhouse"})
assert node1.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
node2.query("system sync replica test_table", settings={"password": "clickhouse"})
assert node2.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
node3.query("insert into test_table values ('2019-02-16', 1, 2), ('2019-02-16', 2, 3), ('2019-02-16', 3, 4)", settings={"password": "clickhouse"})
assert node3.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
node4.query("system sync replica test_table", settings={"password": "clickhouse"})
assert node4.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
node3.query("truncate table test_table on cluster 'awesome_cluster'", settings={"password": "clickhouse"})
time.sleep(2)
for node in [node1, node2, node3, node4]:
assert node.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "0\n"
node2.query("drop table test_table on cluster 'awesome_cluster'", settings={"password": "clickhouse"})
time.sleep(2)
for node in [node1, node2, node3, node4]:
assert node.query("select count(*) from system.tables where name='test_table'", settings={"password": "clickhouse"}) == "0\n"