predixy/test/pubsub_large_message.py
2026-01-15 11:18:51 +01:00

57 lines
1.5 KiB
Python

#!/usr/bin/env python3
#
# Ensure large pubsub payloads are parsed correctly.
#
from test_util import parse_args, make_clients, exit_with_result
def normalize_bytes(value):
if isinstance(value, bytes):
return value.decode("utf-8")
return value
def wait_for_type(ps, msg_type, attempts=20, timeout=1.0):
for _ in range(attempts):
msg = ps.get_message(timeout=timeout)
if msg and msg.get("type") == msg_type:
return msg
return None
def run_test(host, port):
c1, c2 = make_clients(host, port, count=2)
ps = c1.pubsub()
ps.subscribe("big_payload")
msg = wait_for_type(ps, "subscribe")
if not msg:
print("FAIL: missing subscribe confirmation")
return False
payload = "x" * 10000
publish_result = c2.publish("big_payload", payload)
if publish_result < 1:
print("FAIL: publish did not reach subscribers:", publish_result)
return False
msg = wait_for_type(ps, "message", attempts=30, timeout=1.0)
if not msg:
print("FAIL: missing message response")
return False
data = normalize_bytes(msg.get("data"))
if data != payload:
print("FAIL: payload mismatch (len)", len(data) if data else 0)
return False
return True
if __name__ == "__main__":
args = parse_args("Pubsub large message test")
success = run_test(args.host, args.port)
exit_with_result(success, "pubsub large message",
"pubsub large message")