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85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
from contextlib import contextmanager
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from helpers.network import PartitionManager
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException, QueryTimeoutExceedException
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'])
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.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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for node in (node1, node2):
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node.query('''
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CREATE TABLE local_table(date Date, val UInt64) ENGINE = MergeTree(date, (date, val), 8192);
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''')
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node1.query('''
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CREATE TABLE distributed_table(date Date, val UInt64) ENGINE = Distributed(test_cluster, default, local_table)
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''')
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yield cluster
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finally:
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cluster.shutdown()
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def test_insertion_sync(started_cluster):
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node1.query('''SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers LIMIT 10000''')
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assert node2.query("SELECT count() FROM local_table").rstrip() == '10000'
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node1.query('''
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SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
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INSERT INTO distributed_table SELECT today() - 1 as date, number as val FROM system.numbers LIMIT 10000''')
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assert node2.query("SELECT count() FROM local_table").rstrip() == '20000'
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"""
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def test_insertion_sync_fails_on_error(started_cluster):
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with PartitionManager() as pm:
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pm.partition_instances(node2, node1, action='REJECT --reject-with tcp-reset')
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with pytest.raises(QueryRuntimeException):
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node1.query('''
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SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=2)
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"""
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def test_insertion_sync_fails_with_timeout(started_cluster):
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with pytest.raises(QueryRuntimeException):
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node1.query('''
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SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=1.5)
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def test_insertion_without_sync_ignores_timeout(started_cluster):
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with pytest.raises(QueryTimeoutExceedException):
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node1.query('''
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SET insert_distributed_sync = 0, insert_distributed_timeout = 1;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=1.5)
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def test_insertion_sync_with_disabled_timeout(started_cluster):
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with pytest.raises(QueryTimeoutExceedException):
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node1.query('''
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SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=1)
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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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