ClickHouse/tests/integration/test_zookeeper_config/test.py

import time
import pytest
import logging
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry

cluster = ClickHouseCluster(
    __file__, zookeeper_config_path="configs/zookeeper_config_root_a.xml"
)

node1 = cluster.add_instance(
    "node1",
    with_zookeeper=True,
    main_configs=["configs/remote_servers.xml", "configs/zookeeper_config_root_a.xml"],
)
node2 = cluster.add_instance(
    "node2",
    with_zookeeper=True,
    main_configs=["configs/remote_servers.xml", "configs/zookeeper_config_root_a.xml"],
)
node3 = cluster.add_instance(
    "node3",
    with_zookeeper=True,
    main_configs=["configs/remote_servers.xml", "configs/zookeeper_config_root_b.xml"],
)


def create_zk_roots(zk):
    zk.ensure_path("/root_a")
    zk.ensure_path("/root_b")
    logging.debug(f"Create ZK roots:{zk.get_children('/')}")


@pytest.fixture(scope="module", autouse=True)
def started_cluster():
    try:
        cluster.add_zookeeper_startup_command(create_zk_roots)
        cluster.start()

        yield cluster

    finally:
        cluster.shutdown()


def test_chroot_with_same_root(started_cluster):
    for i, node in enumerate([node1, node2]):
        node.query("DROP TABLE IF EXISTS simple SYNC")
        node.query(
            """
        CREATE TABLE simple (date Date, id UInt32)
        ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', '{replica}') PARTITION BY toYYYYMM(date) ORDER BY id;
        """.format(
                replica=node.name
            )
        )
        for j in range(2):  # Second insert to test deduplication
            node.query("INSERT INTO simple VALUES ({0}, {0})".format(i))

    # Replication might take time

    assert_eq_with_retry(node1, "select count() from simple", "2\n")

    assert_eq_with_retry(node2, "select count() from simple", "2\n")


def test_chroot_with_different_root(started_cluster):
    for i, node in [(1, node1), (3, node3)]:
        node.query("DROP TABLE IF EXISTS simple_different SYNC")
        node.query(
            """
        CREATE TABLE simple_different (date Date, id UInt32)
        ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple_different', '{replica}') PARTITION BY toYYYYMM(date) ORDER BY id;
        """.format(
                replica=node.name
            )
        )
        for j in range(2):  # Second insert to test deduplication
            node.query("INSERT INTO simple_different VALUES ({0}, {0})".format(i))

    assert node1.query("select count() from simple_different").strip() == "1"
    assert node3.query("select count() from simple_different").strip() == "1"