mirror of
https://github.com/ClickHouse/ClickHouse.git
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93 lines
4.1 KiB
Python
93 lines
4.1 KiB
Python
import os
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import os.path as p
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import sys
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import time
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import datetime
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import pytest
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from contextlib import contextmanager
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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from helpers.client import QueryRuntimeException
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@pytest.fixture(scope="module")
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def started_cluster():
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global cluster
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global instance
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try:
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cluster = ClickHouseCluster(__file__)
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cluster.add_instance('ch1', config_dir="configs")
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cluster.start()
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instance = cluster.instances['ch1']
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instance.query('CREATE DATABASE dictionaries ENGINE = Dictionary')
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instance.query('CREATE TABLE dictionary_source (id UInt64, value UInt8) ENGINE = Memory')
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#print instance.query('SELECT * FROM system.dictionaries FORMAT Vertical')
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print "Started ", instance.ip_address
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yield cluster
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finally:
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pass
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cluster.shutdown()
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def test_SYSTEM_RELOAD_DICTIONARY(started_cluster):
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instance = cluster.instances['ch1']
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instance.query("SYSTEM RELOAD DICTIONARIES")
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assert TSV(instance.query("SELECT dictHas('clickhouse_flat', toUInt64(0)), dictHas('clickhouse_flat', toUInt64(1))")) == TSV("0\t0\n")
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instance.query("INSERT INTO dictionary_source VALUES (0, 0)")
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assert TSV(instance.query("SELECT dictGetUInt8('clickhouse_cache', 'value', toUInt64(0)), dictHas('clickhouse_cache', toUInt64(1))")) == TSV("0\t0\n")
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instance.query("INSERT INTO dictionary_source VALUES (1, 1)")
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assert TSV(instance.query("SELECT dictGetUInt8('clickhouse_cache', 'value', toUInt64(0)), dictHas('clickhouse_cache', toUInt64(1))")) == TSV("0\t0\n")
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instance.query("SYSTEM RELOAD DICTIONARY clickhouse_cache")
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assert TSV(instance.query("SELECT dictGetUInt8('clickhouse_cache', 'value', toUInt64(0)), dictGetUInt8('clickhouse_cache', 'value', toUInt64(1))")) == TSV("0\t1\n")
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assert TSV(instance.query("SELECT dictHas('clickhouse_flat', toUInt64(0)), dictHas('clickhouse_flat', toUInt64(1))")) == TSV("0\t0\n")
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instance.query("SYSTEM RELOAD DICTIONARIES")
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assert TSV(instance.query("SELECT dictGetUInt8('clickhouse_cache', 'value', toUInt64(0)), dictGetUInt8('clickhouse_cache', 'value', toUInt64(1))")) == TSV("0\t1\n")
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assert TSV(instance.query("SELECT dictGetUInt8('clickhouse_flat', 'value', toUInt64(0)), dictGetUInt8('clickhouse_flat', 'value', toUInt64(1))")) == TSV("0\t1\n")
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def test_DROP_DNS_CACHE(started_cluster):
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instance = cluster.instances['ch1']
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instance.exec_in_container(['bash', '-c', 'echo 127.255.255.255 lost_host > /etc/hosts'], privileged=True, user='root')
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with pytest.raises(QueryRuntimeException):
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instance.query("SELECT * FROM remote('lost_host', 'system', 'one')")
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instance.query("CREATE TABLE distributed_lost_host (dummy UInt8) ENGINE = Distributed(lost_host_cluster, 'system', 'one')")
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with pytest.raises(QueryRuntimeException):
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instance.query("SELECT * FROM distributed_lost_host")
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instance.exec_in_container(['bash', '-c', 'echo 127.0.0.1 lost_host > /etc/hosts'], privileged=True, user='root')
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instance.query("SYSTEM DROP DNS CACHE")
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instance.query("SELECT * FROM remote('lost_host', 'system', 'one')")
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instance.query("SELECT * FROM distributed_lost_host")
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assert TSV(instance.query("SELECT DISTINCT host_name, host_address FROM system.clusters WHERE cluster='lost_host_cluster'")) == TSV("lost_host\t127.0.0.1\n")
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def test_RELOAD_CONFIG_AND_MACROS(started_cluster):
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macros = "<yandex><macros><mac>ro</mac></macros></yandex>"
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create_macros = 'echo "{}" > /etc/clickhouse-server/config.d/macros.xml'.format(macros)
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instance = cluster.instances['ch1']
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instance.exec_in_container(['bash', '-c', create_macros], privileged=True, user='root')
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instance.query("SYSTEM RELOAD CONFIG")
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assert TSV(instance.query("select * from system.macros")) == TSV("mac\tro\n")
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if __name__ == '__main__':
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with contextmanager(started_cluster)() as cluster:
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for name, instance in cluster.instances.items():
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print name, instance.ip_address
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raw_input("Cluster created, press any key to destroy...")
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