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https://github.com/ClickHouse/ClickHouse.git
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116 lines
5.1 KiB
Python
116 lines
5.1 KiB
Python
import time
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import pytest
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import requests
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from tempfile import NamedTemporaryFile
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from helpers.hdfs_api import HDFSApi
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import os
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from helpers.cluster import ClickHouseCluster
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import subprocess
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', with_hdfs=True, config_dir="configs", main_configs=['configs/log_conf.xml'])
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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.start()
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yield cluster
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except Exception as ex:
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print(ex)
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raise ex
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finally:
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cluster.shutdown()
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def test_read_write_storage(started_cluster):
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hdfs_api = HDFSApi("root")
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hdfs_api.write_data("/simple_storage", "1\tMark\t72.53\n")
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node1.query("create table SimpleHDFSStorage (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/simple_storage', 'TSV')")
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node1.query("insert into SimpleHDFSStorage values (1, 'Mark', 72.53)")
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assert hdfs_api.read_data("/simple_storage") == "1\tMark\t72.53\n"
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assert node1.query("select * from SimpleHDFSStorage") == "1\tMark\t72.53\n"
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def test_read_write_storage_with_globs(started_cluster):
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hdfs_api = HDFSApi("root")
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for i in ["1", "2", "3"]:
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hdfs_api.write_data("/storage" + i, i + "\tMark\t72.53\n")
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assert hdfs_api.read_data("/storage" + i) == i + "\tMark\t72.53\n"
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node1.query("create table HDFSStorageWithRange (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/storage{1..5}', 'TSV')")
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node1.query("create table HDFSStorageWithEnum (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/storage{1,2,3,4,5}', 'TSV')")
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node1.query("create table HDFSStorageWithQuestionMark (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/storage?', 'TSV')")
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node1.query("create table HDFSStorageWithAsterisk (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/storage*', 'TSV')")
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assert node1.query("select count(*) from HDFSStorageWithRange") == '3\n'
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assert node1.query("select count(*) from HDFSStorageWithEnum") == '3\n'
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assert node1.query("select count(*) from HDFSStorageWithQuestionMark") == '3\n'
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assert node1.query("select count(*) from HDFSStorageWithAsterisk") == '3\n'
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def test_read_write_table(started_cluster):
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hdfs_api = HDFSApi("root")
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data = "1\tSerialize\t555.222\n2\tData\t777.333\n"
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hdfs_api.write_data("/simple_table_function", data)
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assert hdfs_api.read_data("/simple_table_function") == data
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assert node1.query("select * from hdfs('hdfs://hdfs1:9000/simple_table_function', 'TSV', 'id UInt64, text String, number Float64')") == data
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def test_write_table(started_cluster):
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hdfs_api = HDFSApi("root")
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node1.query("create table OtherHDFSStorage (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/other_storage', 'TSV')")
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node1.query("insert into OtherHDFSStorage values (10, 'tomas', 55.55), (11, 'jack', 32.54)")
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result = "10\ttomas\t55.55\n11\tjack\t32.54\n"
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assert hdfs_api.read_data("/other_storage") == result
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assert node1.query("select * from OtherHDFSStorage order by id") == result
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def test_bad_hdfs_uri(started_cluster):
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try:
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node1.query("create table BadStorage1 (id UInt32, name String, weight Float64) ENGINE = HDFS('hads:hgsdfs100500:9000/other_storage', 'TSV')")
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except Exception as ex:
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print ex
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assert 'Illegal HDFS URI' in str(ex)
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try:
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node1.query("create table BadStorage2 (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs100500:9000/other_storage', 'TSV')")
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except Exception as ex:
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print ex
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assert 'Unable to create builder to connect to HDFS' in str(ex)
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try:
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node1.query("create table BadStorage3 (id UInt32, name String, weight Float64) ENGINE = HDFS('hdfs://hdfs1:9000/<>', 'TSV')")
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except Exception as ex:
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print ex
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assert 'Unable to open HDFS file' in str(ex)
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def test_globs_in_read_table(started_cluster):
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hdfs_api = HDFSApi("root")
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some_data = "1\tSerialize\t555.222\n2\tData\t777.333\n"
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globs_dir = "/dir_for_test_with_globs/"
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files = ["dir1/dir_dir/file1", "dir2/file2", "simple_table_function", "dir/file", "some_dir/dir1/file", "some_dir/dir2/file", "some_dir/file", "table1_function", "table2_function", "table3_function"]
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for filename in files:
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hdfs_api.write_data(globs_dir + filename, some_data)
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test_requests = [("dir{1..5}/dir_dir/file1", 1),
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("*_table_functio?", 1),
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("dir/fil?", 1),
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("table{3..8}_function", 1),
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("table{2..8}_function", 2),
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("dir/*", 1),
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("dir/*?*?*?*?*", 1),
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("dir/*?*?*?*?*?*", 0),
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("some_dir/*/file", 2),
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("some_dir/dir?/*", 2),
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("*/*/*", 3),
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("?", 0)]
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for pattern, value in test_requests:
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assert node1.query("select * from hdfs('hdfs://hdfs1:9000" + globs_dir + pattern + "', 'TSV', 'id UInt64, text String, number Float64')") == value * some_data |