# coding: utf-8 import datetime import fnmatch import math import os import time import logging import docker import pymysql.connections import pytest from helpers.cluster import ClickHouseCluster, get_docker_compose_path, run_and_check SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__)) DOCKER_COMPOSE_PATH = get_docker_compose_path() cluster = ClickHouseCluster(__file__) node = cluster.add_instance( "node", main_configs=[ "configs/ssl_conf.xml", "configs/mysql.xml", "configs/dhparam.pem", "configs/server.crt", "configs/server.key", ], user_configs=["configs/users.xml"], env_variables={"UBSAN_OPTIONS": "print_stacktrace=1"}, with_mysql_client=True, ) server_port = 9001 @pytest.fixture(scope="module") def started_cluster(): cluster.start() try: yield cluster finally: cluster.shutdown() @pytest.fixture(scope="module") def golang_container(): docker_compose = os.path.join( DOCKER_COMPOSE_PATH, "docker_compose_mysql_golang_client.yml" ) run_and_check( [ "docker-compose", "-p", cluster.project_name, "-f", docker_compose, "up", "--force-recreate", "-d", "--no-build", ] ) yield docker.DockerClient( base_url="unix:///var/run/docker.sock", version=cluster.docker_api_version, timeout=600, ).containers.get(cluster.project_name + "_golang1_1") @pytest.fixture(scope="module") def php_container(): docker_compose = os.path.join( DOCKER_COMPOSE_PATH, "docker_compose_mysql_php_client.yml" ) run_and_check( [ "docker-compose", "--env-file", cluster.instances["node"].env_file, "-p", cluster.project_name, "-f", docker_compose, "up", "--force-recreate", "-d", "--no-build", ] ) yield docker.DockerClient( base_url="unix:///var/run/docker.sock", version=cluster.docker_api_version, timeout=600, ).containers.get(cluster.project_name + "_php1_1") @pytest.fixture(scope="module") def nodejs_container(): docker_compose = os.path.join( DOCKER_COMPOSE_PATH, "docker_compose_mysql_js_client.yml" ) run_and_check( [ "docker-compose", "--env-file", cluster.instances["node"].env_file, "-p", cluster.project_name, "-f", docker_compose, "up", "--force-recreate", "-d", "--no-build", ] ) yield docker.DockerClient( base_url="unix:///var/run/docker.sock", version=cluster.docker_api_version, timeout=600, ).containers.get(cluster.project_name + "_mysqljs1_1") @pytest.fixture(scope="module") def java_container(): docker_compose = os.path.join( DOCKER_COMPOSE_PATH, "docker_compose_mysql_java_client.yml" ) run_and_check( [ "docker-compose", "--env-file", cluster.instances["node"].env_file, "-p", cluster.project_name, "-f", docker_compose, "up", "--force-recreate", "-d", "--no-build", ] ) yield docker.DockerClient( base_url="unix:///var/run/docker.sock", version=cluster.docker_api_version, timeout=600, ).containers.get(cluster.project_name + "_java1_1") def test_mysql_client(started_cluster): code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u user_with_double_sha1 --password=abacaba -e "SELECT 1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) logging.debug(f"test_mysql_client code:{code} stdout:{stdout}, stderr:{stderr}") assert stdout.decode() == "\n".join(["1", "1", ""]) code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "SELECT 1 as a;" -e "SELECT 'тест' as b;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert stdout.decode() == "\n".join(["a", "1", "b", "тест", ""]) code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=abc -e "select 1 as a;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert ( "mysql: [Warning] Using a password on the command line interface can be insecure.\n" "ERROR 516 (00000): default: Authentication failed: password is incorrect, or there is no user with such name" in stderr.decode() ) code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "use system;" -e "select count(*) from (select name from tables limit 1);" -e "use system2;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert stdout.decode() == "count()\n1\n" expected_msg = "\n".join( [ "mysql: [Warning] Using a password on the command line interface can be insecure.", "ERROR 81 (00000) at line 1: Code: 81. DB::Exception: Database system2 does not exist", ] ) assert stderr[: len(expected_msg)].decode() == expected_msg code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "CREATE DATABASE x;" -e "USE x;" -e "CREATE TABLE table1 (column UInt32) ENGINE = Memory;" -e "INSERT INTO table1 VALUES (0), (1), (5);" -e "INSERT INTO table1 VALUES (0), (1), (5);" -e "SELECT * FROM table1 ORDER BY column;" -e "DROP DATABASE x;" -e "CREATE TEMPORARY TABLE tmp (tmp_column UInt32);" -e "INSERT INTO tmp VALUES (0), (1);" -e "SELECT * FROM tmp ORDER BY tmp_column;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert stdout.decode() == "\n".join( ["column", "0", "0", "1", "1", "5", "5", "tmp_column", "0", "1", ""] ) def test_mysql_client_exception(started_cluster): # Poco exception. code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "CREATE TABLE default.t1_remote_mysql AS mysql('127.0.0.1:10086','default','t1_local','default','');" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) expected_msg = "\n".join( [ "mysql: [Warning] Using a password on the command line interface can be insecure.", "ERROR 279 (00000) at line 1: Code: 279. DB::Exception: Connections to mysql failed: default@127.0.0.1:10086 as user default", ] ) assert stderr[: len(expected_msg)].decode() == expected_msg def test_mysql_affected_rows(started_cluster): code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "CREATE TABLE IF NOT EXISTS default.t1 (n UInt64) ENGINE MergeTree() ORDER BY tuple();" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql -vvv --protocol tcp -h {host} -P {port} default -u default --password=123 -e "INSERT INTO default.t1(n) VALUES(1);" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert "1 row affected" in stdout.decode() code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql -vvv --protocol tcp -h {host} -P {port} default -u default --password=123 -e "INSERT INTO default.t1(n) SELECT * FROM numbers(1000)" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert "1000 rows affected" in stdout.decode() code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "DROP TABLE default.t1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 def test_mysql_replacement_query(started_cluster): # SHOW TABLE STATUS LIKE. code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "show table status like 'xx';" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # SHOW VARIABLES. code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "show variables;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # KILL QUERY. code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "kill query 0;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "kill query where query_id='mysql:0';" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # SELECT DATABASE(). code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "select database();" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode().lower() in [ "currentdatabase()\ndefault\n", "database()\ndefault\n", ] # SELECT SCHEMA(). code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "select schema();" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode().lower() in [ "currentdatabase()\ndefault\n", "schema()\ndefault\n", ] code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "select DATABASE();" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode().lower() in [ "currentdatabase()\ndefault\n", "database()\ndefault\n", ] def test_mysql_select_user(started_cluster): code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "select user();" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() in ["currentUser()\ndefault\n", "user()\ndefault\n"] def test_mysql_explain(started_cluster): # EXPLAIN SELECT 1 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "EXPLAIN SELECT 1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # EXPLAIN AST SELECT 1 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "EXPLAIN AST SELECT 1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # EXPLAIN PLAN SELECT 1 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "EXPLAIN PLAN SELECT 1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 # EXPLAIN PIPELINE graph=1 SELECT 1 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e "EXPLAIN PIPELINE graph=1 SELECT 1;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 def test_mysql_federated(started_cluster): # For some reason it occasionally fails without retries. retries = 100 for try_num in range(retries): node.query( """DROP DATABASE IF EXISTS mysql_federated""", settings={"password": "123"} ) node.query("""CREATE DATABASE mysql_federated""", settings={"password": "123"}) node.query( """CREATE TABLE mysql_federated.test (col UInt32) ENGINE = Log""", settings={"password": "123"}, ) node.query( """INSERT INTO mysql_federated.test VALUES (0), (1), (5)""", settings={"password": "123"}, ) def check_retryable_error_in_stderr(stderr): stderr = stderr.decode() return ( "Can't connect to local MySQL server through socket" in stderr or "MySQL server has gone away" in stderr or "Server shutdown in progress" in stderr ) code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql -e "DROP SERVER IF EXISTS clickhouse;" -e "CREATE SERVER clickhouse FOREIGN DATA WRAPPER mysql OPTIONS (USER 'default', PASSWORD '123', HOST '{host}', PORT {port}, DATABASE 'mysql_federated');" -e "DROP DATABASE IF EXISTS mysql_federated;" -e "CREATE DATABASE mysql_federated;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) if code != 0: print(("stdout", stdout)) print(("stderr", stderr)) if try_num + 1 < retries and check_retryable_error_in_stderr(stderr): time.sleep(1) continue assert code == 0 code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql -e "CREATE TABLE mysql_federated.test(`col` int UNSIGNED) ENGINE=FEDERATED CONNECTION='clickhouse';" -e "SELECT * FROM mysql_federated.test ORDER BY col;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) if code != 0: print(("stdout", stdout)) print(("stderr", stderr)) if try_num + 1 < retries and check_retryable_error_in_stderr(stderr): time.sleep(1) continue assert code == 0 assert stdout.decode() == "\n".join(["col", "0", "1", "5", ""]) code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql -e "INSERT INTO mysql_federated.test VALUES (0), (1), (5);" -e "SELECT * FROM mysql_federated.test ORDER BY col;" """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) if code != 0: print(("stdout", stdout)) print(("stderr", stderr)) if try_num + 1 < retries and check_retryable_error_in_stderr(stderr): time.sleep(1) continue assert code == 0 assert stdout.decode() == "\n".join(["col", "0", "0", "1", "1", "5", "5", ""]) def test_mysql_set_variables(started_cluster): code, (stdout, stderr) = started_cluster.mysql_client_container.exec_run( """ mysql --protocol tcp -h {host} -P {port} default -u default --password=123 -e " SET NAMES=default; SET character_set_results=default; SET FOREIGN_KEY_CHECKS=false; SET AUTOCOMMIT=1; SET sql_mode='strict'; SET @@wait_timeout = 2147483; SET SESSION TRANSACTION ISOLATION LEVEL READ; " """.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 def test_python_client(started_cluster): client = pymysql.connections.Connection( host=started_cluster.get_instance_ip("node"), user="user_with_double_sha1", password="abacaba", database="default", port=server_port, ) with pytest.raises(pymysql.InternalError) as exc_info: client.query("select name from tables") resp = exc_info.value.args[1] assert fnmatch.fnmatch(resp, "*DB::Exception:*tables*UNKNOWN_TABLE*"), resp cursor = client.cursor(pymysql.cursors.DictCursor) cursor.execute("select 1 as a, 'тест' as b") assert cursor.fetchall() == [{"a": 1, "b": "тест"}] with pytest.raises(pymysql.InternalError) as exc_info: pymysql.connections.Connection( host=started_cluster.get_instance_ip("node"), user="default", password="abacab", database="default", port=server_port, ) assert exc_info.value.args[0] == 516 assert ( "default: Authentication failed: password is incorrect, or there is no user with such name" in exc_info.value.args[1] ) client = pymysql.connections.Connection( host=started_cluster.get_instance_ip("node"), user="default", password="123", database="default", port=server_port, ) with pytest.raises(pymysql.InternalError) as exc_info: client.query("select name from tables") resp = exc_info.value.args[1] assert fnmatch.fnmatch(resp, "*DB::Exception:*tables*UNKNOWN_TABLE*"), resp cursor = client.cursor(pymysql.cursors.DictCursor) cursor.execute("select 1 as a, 'тест' as b") assert cursor.fetchall() == [{"a": 1, "b": "тест"}] client.select_db("system") with pytest.raises(pymysql.InternalError) as exc_info: client.select_db("system2") assert exc_info.value.args[1].startswith( "Code: 81. DB::Exception: Database system2 does not exist" ), exc_info.value.args[1] cursor = client.cursor(pymysql.cursors.DictCursor) cursor.execute("CREATE DATABASE x") client.select_db("x") cursor.execute("CREATE TABLE table1 (a UInt32) ENGINE = Memory") cursor.execute("INSERT INTO table1 VALUES (1), (3)") cursor.execute("INSERT INTO table1 VALUES (1), (4)") cursor.execute("SELECT * FROM table1 ORDER BY a") assert cursor.fetchall() == [{"a": 1}, {"a": 1}, {"a": 3}, {"a": 4}] def test_golang_client(started_cluster, golang_container): with open(os.path.join(SCRIPT_DIR, "golang.reference"), "rb") as fp: reference = fp.read() code, (stdout, stderr) = golang_container.exec_run( "./main --host {host} --port {port} --user default --password 123 --database " "abc".format(host=started_cluster.get_instance_ip("node"), port=server_port), demux=True, ) assert code == 1 assert stderr.decode() == "Error 81: Database abc does not exist\n" code, (stdout, stderr) = golang_container.exec_run( "./main --host {host} --port {port} --user default --password 123 --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout == reference code, (stdout, stderr) = golang_container.exec_run( "./main --host {host} --port {port} --user user_with_double_sha1 --password abacaba --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout == reference def test_php_client(started_cluster, php_container): code, (stdout, stderr) = php_container.exec_run( "php -f test.php {host} {port} default 123".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == "tables\ntables\ntables\n" code, (stdout, stderr) = php_container.exec_run( "php -f test_ssl.php {host} {port} default 123".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == "tables\ntables\ntables\n" code, (stdout, stderr) = php_container.exec_run( "php -f test.php {host} {port} user_with_double_sha1 abacaba".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == "tables\ntables\ntables\n" code, (stdout, stderr) = php_container.exec_run( "php -f test_ssl.php {host} {port} user_with_double_sha1 abacaba".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == "tables\ntables\ntables\n" def test_mysqljs_client(started_cluster, nodejs_container): code, (_, stderr) = nodejs_container.exec_run( "node test.js {host} {port} user_with_sha256 abacaba".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 1 assert ( "MySQL is requesting the sha256_password authentication method, which is not supported." in stderr.decode() ) code, (_, stderr) = nodejs_container.exec_run( 'node test.js {host} {port} user_with_empty_password ""'.format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 code, (_, _) = nodejs_container.exec_run( "node test.js {host} {port} user_with_double_sha1 abacaba".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 code, (_, _) = nodejs_container.exec_run( "node test.js {host} {port} user_with_empty_password 123".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 1 def test_java_client(started_cluster, java_container): with open(os.path.join(SCRIPT_DIR, "java.reference")) as fp: reference = fp.read() # database not exists exception. code, (stdout, stderr) = java_container.exec_run( "java JavaConnectorTest --host {host} --port {port} --user user_with_empty_password --database " "abc".format(host=started_cluster.get_instance_ip("node"), port=server_port), demux=True, ) assert code == 1 # empty password passed. code, (stdout, stderr) = java_container.exec_run( "java JavaConnectorTest --host {host} --port {port} --user user_with_empty_password --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == reference # non-empty password passed. code, (stdout, stderr) = java_container.exec_run( "java JavaConnectorTest --host {host} --port {port} --user default --password 123 --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == reference # double-sha1 password passed. code, (stdout, stderr) = java_container.exec_run( "java JavaConnectorTest --host {host} --port {port} --user user_with_double_sha1 --password abacaba --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == reference def test_prepared_statements(started_cluster, java_container): with open(os.path.join(SCRIPT_DIR, "prepared_statements.reference")) as fp: reference = fp.read() with open(os.path.join(SCRIPT_DIR, "prepared_statements_test.sql")) as sql: statements = list( filter( lambda s: s != "", map(lambda s: s.strip().replace("\n", " "), sql.read().split(";")), ) ) for statement in statements: node.query( statement, settings={"password": "123", "allow_suspicious_low_cardinality_types": 1}, ) code, (stdout, stderr) = java_container.exec_run( "java PreparedStatementsTest --host {host} --port {port} --user user_with_double_sha1 --password abacaba --database " "default".format( host=started_cluster.get_instance_ip("node"), port=server_port ), demux=True, ) assert code == 0 assert stdout.decode() == reference def test_types(started_cluster): client = pymysql.connections.Connection( host=started_cluster.get_instance_ip("node"), user="default", password="123", database="default", port=server_port, ) cursor = client.cursor(pymysql.cursors.DictCursor) cursor.execute( "select " "toInt8(-pow(2, 7)) as Int8_column, " "toUInt8(pow(2, 8) - 1) as UInt8_column, " "toInt16(-pow(2, 15)) as Int16_column, " "toUInt16(pow(2, 16) - 1) as UInt16_column, " "toInt32(-pow(2, 31)) as Int32_column, " "toUInt32(pow(2, 32) - 1) as UInt32_column, " "toInt64('-9223372036854775808') as Int64_column, " # -2^63 "toUInt64('18446744073709551615') as UInt64_column, " # 2^64 - 1 "'тест' as String_column, " "toFixedString('тест', 8) as FixedString_column, " "toFloat32(1.5) as Float32_column, " "toFloat64(1.5) as Float64_column, " "toFloat32(NaN) as Float32_NaN_column, " "-Inf as Float64_Inf_column, " "toDate('2019-12-08') as Date_column, " "toDate('1970-01-01') as Date_min_column, " "toDate('1970-01-02') as Date_after_min_column, " "toDateTime('2019-12-08 08:24:03') as DateTime_column" ) result = cursor.fetchall()[0] expected = [ ("Int8_column", -(2**7)), ("UInt8_column", 2**8 - 1), ("Int16_column", -(2**15)), ("UInt16_column", 2**16 - 1), ("Int32_column", -(2**31)), ("UInt32_column", 2**32 - 1), ("Int64_column", -(2**63)), ("UInt64_column", 2**64 - 1), ("String_column", "тест"), ("FixedString_column", "тест"), ("Float32_column", 1.5), ("Float64_column", 1.5), ("Float32_NaN_column", float("nan")), ("Float64_Inf_column", float("-inf")), ("Date_column", datetime.date(2019, 12, 8)), ("Date_min_column", datetime.date(1970, 1, 1)), ("Date_after_min_column", datetime.date(1970, 1, 2)), ("DateTime_column", datetime.datetime(2019, 12, 8, 8, 24, 3)), ] for key, value in expected: if isinstance(value, float) and math.isnan(value): assert math.isnan(result[key]) else: assert result[key] == value