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92 lines
2.9 KiB
Python
92 lines
2.9 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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logging.getLogger().setLevel(logging.INFO)
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logging.getLogger().addHandler(logging.StreamHandler())
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# Creates S3 bucket for tests and allows anonymous read-write access to it.
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def prepare_s3_bucket(cluster):
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minio_client = cluster.minio_client
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if minio_client.bucket_exists(cluster.minio_bucket):
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minio_client.remove_bucket(cluster.minio_bucket)
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minio_client.make_bucket(cluster.minio_bucket)
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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("node", config_dir="configs", with_minio=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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prepare_s3_bucket(cluster)
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logging.info("S3 bucket created")
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yield cluster
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finally:
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cluster.shutdown()
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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):
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data = [[date_str, i, 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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@pytest.mark.parametrize(
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"min_rows_for_wide_part,files_overhead,files_per_part",
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[
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(0, 1, 14),
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(8192, 1, 10)
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]
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)
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def test_log_family_s3(cluster, min_rows_for_wide_part, files_overhead, files_per_part):
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node = cluster.instances["node"]
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minio = cluster.minio_client
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node.query(
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"""
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CREATE TABLE s3_test(
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dt Date,
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id UInt64,
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data String,
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INDEX min_max (id) TYPE minmax GRANULARITY 3
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) ENGINE=MergeTree()
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PARTITION BY dt
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ORDER BY (dt, id)
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SETTINGS disable_background_merges='true', index_granularity=512, min_rows_for_wide_part={}
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"""
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.format(min_rows_for_wide_part)
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)
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == 1
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values1 = generate_values('2020-01-03', 4096)
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node.query("INSERT INTO s3_test VALUES {}".format(values1))
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assert node.query("SELECT * FROM s3_test order by dt, id FORMAT Values") == values1
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == files_overhead + files_per_part
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values2 = generate_values('2020-01-04', 4096)
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node.query("INSERT INTO s3_test VALUES {}".format(values2))
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assert node.query("SELECT * FROM s3_test ORDER BY dt, id FORMAT Values") == values1 + "," + values2
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == files_overhead + 2 * files_per_part
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assert node.query("SELECT count(*) FROM s3_test where id = 0 FORMAT Values") == "(2)"
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node.query("DROP TABLE s3_test")
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == 0
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