ClickHouse/dbms/tests/integration/test_storage_hdfs/test.py
2019-09-05 17:42:17 +03:00

116 lines
5.1 KiB
Python

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