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