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105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
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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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1", main_configs=["configs/conf.xml"], with_nginx=True
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)
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@pytest.fixture(scope="module", autouse=True)
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def setup_node():
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try:
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cluster.start()
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node1.query(
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"insert into table function url(url1) partition by column3 values (1, 2, 3), (3, 2, 1), (1, 3, 2)"
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)
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yield
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finally:
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cluster.shutdown()
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def test_partition_by():
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result = node1.query(
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f"select * from url('http://nginx:80/test_1', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')"
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)
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assert result.strip() == "3\t2\t1"
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result = node1.query(
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f"select * from url('http://nginx:80/test_2', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')"
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)
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assert result.strip() == "1\t3\t2"
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result = node1.query(
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f"select * from url('http://nginx:80/test_3', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')"
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)
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assert result.strip() == "1\t2\t3"
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def test_table_function_url_access_rights():
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node1.query("CREATE USER OR REPLACE u1")
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expected_error = "necessary to have grant CREATE TEMPORARY TABLE, URL ON *.*"
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assert expected_error in node1.query_and_get_error(
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f"SELECT * FROM url('http://nginx:80/test_1', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')",
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user="u1",
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)
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expected_error = "necessary to have grant CREATE TEMPORARY TABLE, URL ON *.*"
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assert expected_error in node1.query_and_get_error(
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f"SELECT * FROM url('http://nginx:80/test_1', 'TSV')", user="u1"
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)
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assert node1.query(
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f"DESCRIBE TABLE url('http://nginx:80/test_1', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')",
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user="u1",
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) == TSV([["column1", "UInt32"], ["column2", "UInt32"], ["column3", "UInt32"]])
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assert node1.query(
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f"DESCRIBE TABLE url('http://nginx:80/not-exist', 'TSV', 'column1 UInt32, column2 UInt32, column3 UInt32')",
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user="u1",
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) == TSV([["column1", "UInt32"], ["column2", "UInt32"], ["column3", "UInt32"]])
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expected_error = "necessary to have grant URL ON *.*"
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assert expected_error in node1.query_and_get_error(
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f"DESCRIBE TABLE url('http://nginx:80/test_1', 'TSV')", user="u1"
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)
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node1.query("GRANT URL ON *.* TO u1")
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assert node1.query(
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f"DESCRIBE TABLE url('http://nginx:80/test_1', 'TSV')",
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user="u1",
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) == TSV(
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[
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["c1", "Nullable(Int64)"],
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["c2", "Nullable(Int64)"],
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["c3", "Nullable(Int64)"],
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]
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)
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@pytest.mark.parametrize("file_format", ["Parquet", "CSV", "TSV", "JSONEachRow"])
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def test_file_formats(file_format):
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url = f"http://nginx:80/{file_format}_file"
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values = ", ".join([f"({i}, {i + 1}, {i + 2})" for i in range(100)])
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node1.query(
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f"insert into table function url(url_file, url = '{url}', format = '{file_format}') values",
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stdin=values,
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)
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for download_threads in [1, 4, 16]:
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result = node1.query(
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f"""
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SELECT *
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FROM url('{url}', '{file_format}')
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LIMIT 10
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SETTINGS remote_read_min_bytes_for_seek = 1, max_read_buffer_size = 1, max_download_buffer_size = 1, max_download_threads = {download_threads}
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"""
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)
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expected_result = ""
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for i in range(10):
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expected_result += f"{i}\t{i + 1}\t{i + 2}\n"
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assert result == expected_result
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