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)