import pytest

from helpers.cluster import ClickHouseCluster

cluster = ClickHouseCluster(__file__)

node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)

@pytest.fixture(scope="module")
def start_cluster():
    try:
        cluster.start()
        yield cluster
    finally:
        cluster.shutdown()


def test_remote(start_cluster):
    assert node1.query('''SELECT hostName() FROM clusterAllReplicas("two_shards", system.one)''') == 'node1\nnode2\n'
    assert node1.query('''SELECT hostName() FROM cluster("two_shards", system.one)''') == 'node1\n'