ClickHouse/tests/integration/test_replication_without_zookeeper/test.py

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import time
import pytest
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from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True, stay_alive=True)
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@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
node1.query(
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'''
CREATE DATABASE test;
CREATE TABLE test_table(date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/replicated', 'node1') ORDER BY id PARTITION BY toYYYYMM(date);
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'''
)
yield cluster
except Exception as ex:
print ex
finally:
cluster.shutdown()
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def drop_zk(zk):
zk.delete(path="/clickhouse", recursive=True)
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def test_startup_without_zookeeper(start_cluster):
node1.query("INSERT INTO test_table VALUES ('2018-10-01', 1), ('2018-10-02', 2), ('2018-10-03', 3)")
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assert node1.query("SELECT COUNT(*) from test_table") == "3\n"
assert node1.query("SELECT is_readonly from system.replicas where table='test_table'") == "0\n"
cluster.run_kazoo_commands_with_retries(drop_zk)
time.sleep(5)
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assert node1.query("SELECT COUNT(*) from test_table") == "3\n"
with pytest.raises(Exception):
node1.query("INSERT INTO test_table VALUES ('2018-10-01', 1), ('2018-10-02', 2), ('2018-10-03', 3)")
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node1.restart_clickhouse()
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assert node1.query("SELECT COUNT(*) from test_table") == "3\n"
assert node1.query("SELECT is_readonly from system.replicas where table='test_table'") == "1\n"