predixy/test/pubsub_minimal.py
2026-01-15 10:55:19 +01:00

89 lines
3.0 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Minimal test to reproduce pubsub message queueing issue in Predixy
# Tests pass against Redis (6379) but fail against Predixy (7617)
import sys
from test_util import parse_args, make_clients, exit_with_result
def test_redis(host, port):
"""Test pubsub against Redis or Predixy"""
print(f"\n=== Testing against {host}:{port} ===\n")
c1, c2 = make_clients(host, port, count=2)
ps = c1.pubsub()
# Step 1: Subscribe to channel 'ch'
print("1. Subscribing to channel 'ch'...")
ps.subscribe('ch')
# Step 2: Get subscribe confirmation
print("2. Getting subscribe confirmation...")
msg = ps.get_message(timeout=1.0)
print(f" Received: {msg}")
if msg and msg.get('type') == 'subscribe' and msg.get('channel') in (b'ch', 'ch'):
print(" ✓ Subscribe confirmation received")
else:
print(f" ✗ Expected subscribe confirmation, got: {msg}")
return False
# Step 3: Publish a message
print("3. Publishing 'hello' to channel 'ch'...")
pub_result = c2.publish('ch', 'hello')
print(f" Publish returned: {pub_result}")
# Step 4: Get the published message
print("4. Getting published message...")
msg = ps.get_message(timeout=1.0)
print(f" Received: {msg}")
if msg and msg.get('type') == 'message':
data = msg.get('data')
if isinstance(data, bytes):
data = data.decode('utf-8')
if data == 'hello':
print(" ✓ Published message received")
else:
print(f" ✗ Expected 'hello', got: {data}")
return False
else:
print(f" ✗ Expected message, got: {msg}")
return False
# Step 5: Psubscribe to pattern 'ch*'
print("5. Psubscribing to pattern 'ch*'...")
ps.psubscribe('ch*')
# Step 6: Get psubscribe confirmation (THIS FAILS WITH PREDIXY)
print("6. Getting psubscribe confirmation...")
msg = ps.get_message(timeout=1.0)
print(f" Received: {msg}")
if msg and msg.get('type') == 'psubscribe':
pattern = msg.get('channel') or msg.get('pattern')
if isinstance(pattern, bytes):
pattern = pattern.decode('utf-8')
if pattern == 'ch*':
print(" ✓ Psubscribe confirmation received")
return True
else:
print(f" ✗ Expected pattern 'ch*', got: {pattern}")
return False
else:
print(f" ✗ Expected psubscribe confirmation, got: {msg}")
print(f" This is the bug: old messages are returned instead of new ones")
return False
if __name__ == '__main__':
args = parse_args("Minimal pubsub test", require_port=True)
host = args.host
port = args.port
try:
success = test_redis(host, port)
exit_with_result(success, "pubsub minimal", "pubsub minimal")
except Exception as e:
print(f"\n🔴 pubsub minimal error: {e}")
import traceback
traceback.print_exc()
sys.exit(1)