ClickHouse/tests/queries/0_stateless/00967_live_view_watch_http.py

#!/usr/bin/env python3
# Tags: no-replicated-database, no-parallel, no-fasttest

import os
import sys

CURDIR = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(CURDIR, 'helpers'))

from client import client, prompt, end_of_block
from httpclient import client as http_client

log = None
# uncomment the line below for debugging
#log=sys.stdout

with client(name='client1>', log=log) as client1:
    client1.expect(prompt)

    client1.send('SET allow_experimental_live_view = 1')
    client1.expect(prompt)

    client1.send('DROP TABLE IF EXISTS test.lv')
    client1.expect(prompt)
    client1.send(' DROP TABLE IF EXISTS test.mt')
    client1.expect(prompt)
    client1.send('CREATE TABLE test.mt (a Int32) Engine=MergeTree order by tuple()')
    client1.expect(prompt)
    client1.send('CREATE LIVE VIEW test.lv AS SELECT sum(a) FROM test.mt')
    client1.expect(prompt)

    try:
        with http_client({'method':'GET', 'url':'/?allow_experimental_live_view=1&query=WATCH%20test.lv'}, name='client2>', log=log) as client2:
            client2.expect('.*0\t1\n')
            client1.send('INSERT INTO test.mt VALUES (1),(2),(3)')
            client1.expect(prompt)
            client2.expect('.*6\t2\n')
    finally:
        client1.send('DROP TABLE test.lv')
        client1.expect(prompt)
        client1.send('DROP TABLE test.mt')
        client1.expect(prompt)