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138 lines
4.0 KiB
Python
138 lines
4.0 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node18_14 = cluster.add_instance(
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"node18_14",
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image="yandex/clickhouse-server",
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tag="18.14.19",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_1 = cluster.add_instance(
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"node19_1",
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image="yandex/clickhouse-server",
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tag="19.1.16",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_4 = cluster.add_instance(
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"node19_4",
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image="yandex/clickhouse-server",
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tag="19.4.5.35",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_8 = cluster.add_instance(
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"node19_8",
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image="yandex/clickhouse-server",
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tag="19.8.3.8",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_11 = cluster.add_instance(
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"node19_11",
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image="yandex/clickhouse-server",
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tag="19.11.13.74",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_13 = cluster.add_instance(
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"node19_13",
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image="yandex/clickhouse-server",
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tag="19.13.7.57",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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node19_16 = cluster.add_instance(
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"node19_16",
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image="yandex/clickhouse-server",
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tag="19.16.2.2",
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with_installed_binary=True,
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main_configs=["configs/config.d/test_cluster.xml"],
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)
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old_nodes = [node18_14, node19_1, node19_4, node19_8, node19_11, node19_13, node19_16]
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new_node = cluster.add_instance("node_new")
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def query_from_one_node_to_another(client_node, server_node, query):
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client_node.exec_in_container(
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[
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"bash",
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"-c",
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"/usr/bin/clickhouse client --host {} --query {!r}".format(
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server_node.name, query
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),
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]
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)
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@pytest.fixture(scope="module")
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def setup_nodes():
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try:
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cluster.start()
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for n in old_nodes + [new_node]:
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n.query(
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"""CREATE TABLE test_table (id UInt32, value UInt64) ENGINE = MergeTree() ORDER BY tuple()"""
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)
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for n in old_nodes:
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n.query(
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"""CREATE TABLE dist_table AS test_table ENGINE = Distributed('test_cluster', 'default', 'test_table')"""
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)
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yield cluster
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finally:
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cluster.shutdown()
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def test_client_is_older_than_server(setup_nodes):
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server = new_node
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for i, client in enumerate(old_nodes):
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query_from_one_node_to_another(
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client, server, "INSERT INTO test_table VALUES (1, {})".format(i)
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)
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for client in old_nodes:
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query_from_one_node_to_another(client, server, "SELECT COUNT() FROM test_table")
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assert (
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server.query("SELECT COUNT() FROM test_table WHERE id=1")
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== str(len(old_nodes)) + "\n"
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)
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def test_server_is_older_than_client(setup_nodes):
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client = new_node
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for i, server in enumerate(old_nodes):
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query_from_one_node_to_another(
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client, server, "INSERT INTO test_table VALUES (2, {})".format(i)
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)
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for server in old_nodes:
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query_from_one_node_to_another(client, server, "SELECT COUNT() FROM test_table")
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for server in old_nodes:
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assert server.query("SELECT COUNT() FROM test_table WHERE id=2") == "1\n"
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def test_distributed_query_initiator_is_older_than_shard(setup_nodes):
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distributed_query_initiator_old_nodes = [node18_14, node19_13, node19_16]
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shard = new_node
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for i, initiator in enumerate(distributed_query_initiator_old_nodes):
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initiator.query("INSERT INTO dist_table VALUES (3, {})".format(i))
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assert_eq_with_retry(
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shard,
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"SELECT COUNT() FROM test_table WHERE id=3",
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str(len(distributed_query_initiator_old_nodes)),
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)
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assert_eq_with_retry(
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initiator,
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"SELECT COUNT() FROM dist_table WHERE id=3",
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str(len(distributed_query_initiator_old_nodes)),
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)
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