yml2213
cad06ae789
- 后端新增进程内事件总线与 /api/huya/external-orders/ws\n- 所有写接口成功后发布轻量失效事件\n- 前端自动重连、静默刷新、断线兜底轮询
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
"""协作台账实时事件总线：revision、跨线程投递、队列满时保留最新事件。"""
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from __future__ import annotations
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import asyncio
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import threading
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from web.backend.services.huya_collab_events import CollabEventHub
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def test_publish_increments_revision_without_subscribers():
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hub = CollabEventHub()
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first = hub.publish(scope="orders", action="order.create", actor_id=7)
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second = hub.publish(scope="shops", action="shop.create", actor_id=8)
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assert first["revision"] == 1
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assert second["revision"] == 2
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assert hub.ready_event() == {"type": "collab.ready", "revision": 2}
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assert hub.ping_event() == {"type": "collab.ping", "revision": 2}
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def test_publish_delivers_from_worker_thread():
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async def scenario():
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hub = CollabEventHub()
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queue = hub.subscribe()
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worker = threading.Thread(
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target=lambda: hub.publish(
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scope="orders", action="order.update", actor_id=9
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)
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)
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worker.start()
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worker.join(timeout=2)
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event = await asyncio.wait_for(queue.get(), timeout=2)
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assert event["type"] == "collab.invalidate"
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assert event["scope"] == "orders"
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assert event["action"] == "order.update"
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assert event["actor_id"] == 9
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assert event["revision"] == 1
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asyncio.run(scenario())
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def test_queue_overflow_keeps_latest_event():
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async def scenario():
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hub = CollabEventHub()
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queue = hub.subscribe()
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for _ in range(101):
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hub.publish(scope="orders", action="order.update", actor_id=1)
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await asyncio.sleep(0.05)
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assert queue.qsize() <= queue.maxsize
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latest = await asyncio.wait_for(queue.get(), timeout=2)
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# 队列满时丢掉旧事件，但最后一条一定是 revision 最大的
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while not queue.empty():
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latest = queue.get_nowait()
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assert latest["revision"] == 101
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asyncio.run(scenario())
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