ClickHouse/tests/integration/test_replicated_merge_tree_s3/test.py
2022-03-22 17:39:58 +01:00

127 lines
3.7 KiB
Python

import logging
import random
import string
import pytest
from helpers.cluster import ClickHouseCluster
@pytest.fixture(scope="module")
def cluster():
try:
cluster = ClickHouseCluster(__file__)
cluster.add_instance(
"node1",
main_configs=["configs/config.d/storage_conf.xml"],
macros={"replica": "1"},
with_minio=True,
with_zookeeper=True,
)
cluster.add_instance(
"node2",
main_configs=["configs/config.d/storage_conf.xml"],
macros={"replica": "2"},
with_zookeeper=True,
)
cluster.add_instance(
"node3",
main_configs=["configs/config.d/storage_conf.xml"],
macros={"replica": "3"},
with_zookeeper=True,
)
logging.info("Starting cluster...")
cluster.start()
logging.info("Cluster started")
yield cluster
finally:
cluster.shutdown()
FILES_OVERHEAD = 1
FILES_OVERHEAD_PER_COLUMN = 2 # Data and mark files
FILES_OVERHEAD_PER_PART_WIDE = FILES_OVERHEAD_PER_COLUMN * 3 + 2 + 6 + 1
FILES_OVERHEAD_PER_PART_COMPACT = 10 + 1
def random_string(length):
letters = string.ascii_letters
return "".join(random.choice(letters) for i in range(length))
def generate_values(date_str, count, sign=1):
data = [[date_str, sign * (i + 1), random_string(10)] for i in range(count)]
data.sort(key=lambda tup: tup[1])
return ",".join(["('{}',{},'{}')".format(x, y, z) for x, y, z in data])
def create_table(cluster, additional_settings=None):
create_table_statement = """
CREATE TABLE s3_test ON CLUSTER cluster(
dt Date,
id Int64,
data String,
INDEX min_max (id) TYPE minmax GRANULARITY 3
) ENGINE=ReplicatedMergeTree()
PARTITION BY dt
ORDER BY (dt, id)
SETTINGS storage_policy='s3'
"""
if additional_settings:
create_table_statement += ","
create_table_statement += additional_settings
list(cluster.instances.values())[0].query(create_table_statement)
@pytest.fixture(autouse=True)
def drop_table(cluster):
yield
for node in list(cluster.instances.values()):
node.query("DROP TABLE IF EXISTS s3_test")
minio = cluster.minio_client
# Remove extra objects to prevent tests cascade failing
for obj in list(minio.list_objects(cluster.minio_bucket, "data/")):
minio.remove_object(cluster.minio_bucket, obj.object_name)
@pytest.mark.parametrize(
"min_rows_for_wide_part,files_per_part",
[(0, FILES_OVERHEAD_PER_PART_WIDE), (8192, FILES_OVERHEAD_PER_PART_COMPACT)],
)
def test_insert_select_replicated(cluster, min_rows_for_wide_part, files_per_part):
create_table(
cluster,
additional_settings="min_rows_for_wide_part={}".format(min_rows_for_wide_part),
)
all_values = ""
for node_idx in range(1, 4):
node = cluster.instances["node" + str(node_idx)]
values = generate_values("2020-01-0" + str(node_idx), 4096)
node.query(
"INSERT INTO s3_test VALUES {}".format(values),
settings={"insert_quorum": 3},
)
if node_idx != 1:
all_values += ","
all_values += values
for node_idx in range(1, 4):
node = cluster.instances["node" + str(node_idx)]
assert (
node.query(
"SELECT * FROM s3_test order by dt, id FORMAT Values",
settings={"select_sequential_consistency": 1},
)
== all_values
)
minio = cluster.minio_client
assert len(list(minio.list_objects(cluster.minio_bucket, "data/"))) == 3 * (
FILES_OVERHEAD + files_per_part * 3
)