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42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import pytest
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from helpers.client import QueryRuntimeException
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', with_zookeeper=True)
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node2 = cluster.add_instance('node2', with_zookeeper=True)
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node3 = cluster.add_instance('node3', with_zookeeper=True)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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for i, node in enumerate((node1, node2, node3)):
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node_name = 'node' + str(i + 1)
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node.query(
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'''
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CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_table', '{}')
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PARTITION BY date ORDER BY id
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'''.format(node_name)
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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_replica_is_active(start_cluster):
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query_result = node1.query("select replica_is_active from system.replicas where table = 'test_table'")
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assert query_result == '{\'node1\':1,\'node2\':1,\'node3\':1}\n'
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node3.stop()
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query_result = node1.query("select replica_is_active from system.replicas where table = 'test_table'")
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assert query_result == '{\'node1\':1,\'node2\':1,\'node3\':0}\n'
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node2.stop()
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query_result = node1.query("select replica_is_active from system.replicas where table = 'test_table'")
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assert query_result == '{\'node1\':1,\'node2\':0,\'node3\':0}\n'
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