import logging import pytest from helpers.cluster import ClickHouseCluster logging.getLogger().setLevel(logging.INFO) logging.getLogger().addHandler(logging.StreamHandler()) # Creates S3 bucket for tests and allows anonymous read-write access to it. def prepare_s3_bucket(cluster): minio_client = cluster.minio_client if minio_client.bucket_exists(cluster.minio_bucket): minio_client.remove_bucket(cluster.minio_bucket) minio_client.make_bucket(cluster.minio_bucket) @pytest.fixture(scope="module") def cluster(): try: cluster = ClickHouseCluster(__file__) cluster.add_instance("node", config_dir="configs", with_minio=True) logging.info("Starting cluster...") cluster.start() logging.info("Cluster started") prepare_s3_bucket(cluster) logging.info("S3 bucket created") yield cluster finally: cluster.shutdown() @pytest.mark.parametrize( "log_engine,files_overhead,files_overhead_per_insert", [("TinyLog", 1, 1), ("Log", 2, 1), ("StripeLog", 1, 2)]) def test_log_family_s3(cluster, log_engine, files_overhead, files_overhead_per_insert): node = cluster.instances["node"] minio = cluster.minio_client node.query("CREATE TABLE s3_test (id UInt64) Engine={}".format(log_engine)) node.query("INSERT INTO s3_test SELECT number FROM numbers(5)") assert node.query("SELECT * FROM s3_test") == "0\n1\n2\n3\n4\n" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == files_overhead_per_insert + files_overhead node.query("INSERT INTO s3_test SELECT number + 5 FROM numbers(3)") assert node.query("SELECT * FROM s3_test order by id") == "0\n1\n2\n3\n4\n5\n6\n7\n" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == files_overhead_per_insert * 2 + files_overhead node.query("INSERT INTO s3_test SELECT number + 8 FROM numbers(1)") assert node.query("SELECT * FROM s3_test order by id") == "0\n1\n2\n3\n4\n5\n6\n7\n8\n" assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == files_overhead_per_insert * 3 + files_overhead node.query("TRUNCATE TABLE s3_test") assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == 0 node.query("DROP TABLE s3_test")