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167 lines
5.0 KiB
Python
167 lines
5.0 KiB
Python
import logging
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import os
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import json
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import helpers.client
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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def prepare_s3_bucket(started_cluster):
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bucket_read_write_policy = {
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"Version": "2012-10-17",
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"Statement": [
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{
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"Sid": "",
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"Effect": "Allow",
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"Principal": {"AWS": "*"},
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"Action": "s3:GetBucketLocation",
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"Resource": "arn:aws:s3:::root",
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},
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{
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"Sid": "",
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"Effect": "Allow",
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"Principal": {"AWS": "*"},
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"Action": "s3:ListBucket",
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"Resource": "arn:aws:s3:::root",
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},
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{
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"Sid": "",
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"Effect": "Allow",
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"Principal": {"AWS": "*"},
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"Action": "s3:GetObject",
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"Resource": "arn:aws:s3:::root/*",
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},
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{
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"Sid": "",
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"Effect": "Allow",
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"Principal": {"AWS": "*"},
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"Action": "s3:PutObject",
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"Resource": "arn:aws:s3:::root/*",
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},
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],
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}
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minio_client = started_cluster.minio_client
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minio_client.set_bucket_policy(
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started_cluster.minio_bucket, json.dumps(bucket_read_write_policy)
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)
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def upload_test_table(started_cluster):
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bucket = started_cluster.minio_bucket
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for address, dirs, files in os.walk(SCRIPT_DIR + "/test_table"):
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address_without_prefix = address[len(SCRIPT_DIR) :]
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for name in files:
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started_cluster.minio_client.fput_object(
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bucket,
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os.path.join(address_without_prefix, name),
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os.path.join(address, name),
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)
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster = ClickHouseCluster(__file__)
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cluster.add_instance("main_server", with_minio=True)
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logging.info("Starting cluster...")
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cluster.start()
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prepare_s3_bucket(cluster)
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logging.info("S3 bucket created")
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upload_test_table(cluster)
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logging.info("Test table uploaded")
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yield cluster
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finally:
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cluster.shutdown()
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def run_query(instance, query, stdin=None, settings=None):
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# type: (ClickHouseInstance, str, object, dict) -> str
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logging.info("Running query '{}'...".format(query))
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result = instance.query(query, stdin=stdin, settings=settings)
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logging.info("Query finished")
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return result
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def test_create_query(started_cluster):
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instance = started_cluster.instances["main_server"]
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bucket = started_cluster.minio_bucket
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create_query = f"""CREATE TABLE deltalake ENGINE=DeltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/test_table/', 'minio', 'minio123')"""
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run_query(instance, create_query)
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def test_select_query(started_cluster):
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instance = started_cluster.instances["main_server"]
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bucket = started_cluster.minio_bucket
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columns = [
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"begin_lat",
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"begin_lon",
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"driver",
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"end_lat",
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"end_lon",
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"fare",
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"rider",
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"ts",
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"uuid",
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]
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# create query in case table doesn't exist
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create_query = f"""CREATE TABLE IF NOT EXISTS deltalake ENGINE=DeltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/test_table/', 'minio', 'minio123')"""
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run_query(instance, create_query)
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select_query = "SELECT {} FROM deltalake FORMAT TSV"
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select_table_function_query = "SELECT {col} FROM deltaLake('http://{ip}:{port}/{bucket}/test_table/', 'minio', 'minio123') FORMAT TSV"
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for column_name in columns:
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result = run_query(instance, select_query.format(column_name)).splitlines()
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assert len(result) > 0
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for column_name in columns:
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result = run_query(
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instance,
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select_table_function_query.format(
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col=column_name,
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ip=started_cluster.minio_ip,
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port=started_cluster.minio_port,
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bucket=bucket,
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),
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).splitlines()
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assert len(result) > 0
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def test_describe_query(started_cluster):
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instance = started_cluster.instances["main_server"]
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bucket = started_cluster.minio_bucket
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result = instance.query(
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f"DESCRIBE deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/test_table/', 'minio', 'minio123') FORMAT TSV",
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)
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assert result == TSV(
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[
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["begin_lat", "Nullable(Float64)"],
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["begin_lon", "Nullable(Float64)"],
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["driver", "Nullable(String)"],
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["end_lat", "Nullable(Float64)"],
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["end_lon", "Nullable(Float64)"],
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["fare", "Nullable(Float64)"],
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["rider", "Nullable(String)"],
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["ts", "Nullable(Int64)"],
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["uuid", "Nullable(String)"],
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]
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)
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