mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-08-29 03:56:43 +08:00
132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
import asyncio
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import threading
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from typing import Optional
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from app.modules.discord.discord import Discord
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class _DiscordClientStub:
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"""模拟 Discord 长连接，允许测试控制启动失败与正常关闭。"""
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def __init__(self, *, start_error: Optional[Exception] = None) -> None:
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self.started = threading.Event()
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self._release: Optional[asyncio.Event] = None
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self._start_error = start_error
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self.close_calls = 0
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async def start(self, _token: str) -> None:
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self._release = asyncio.Event()
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self.started.set()
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if self._start_error:
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raise self._start_error
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await self._release.wait()
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async def close(self) -> None:
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self.close_calls += 1
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if self._release:
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self._release.set()
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class _YieldingCloseDiscordClientStub(_DiscordClientStub):
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"""关闭协程至少让出一次执行权，用于覆盖启动窗口内的停止竞态。"""
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def __init__(self) -> None:
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super().__init__()
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self.closed = threading.Event()
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async def close(self) -> None:
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self.close_calls += 1
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await asyncio.sleep(0)
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self.closed.set()
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def _discord(client: _DiscordClientStub) -> Discord:
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"""构造只包含线程与事件循环生命周期状态的 Discord 实例。"""
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instance = Discord.__new__(Discord)
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instance._token = "test-token"
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instance._client = client
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instance._loop = asyncio.new_event_loop()
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instance._thread = None
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instance._stop_requested = threading.Event()
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instance._ready_event = threading.Event()
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instance._typing_tasks = {}
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instance._typing_stop_events = {}
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return instance
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def _cleanup(instance: Discord) -> None:
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"""即使用例断言失败也回收其线程和事件循环。"""
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thread = instance._thread
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loop = instance._loop
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if thread and thread.is_alive():
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loop.call_soon_threadsafe(loop.stop)
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thread.join(timeout=1)
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if not loop.is_closed():
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loop.close()
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def test_stop_waits_for_discord_thread_and_closes_loop() -> None:
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"""正常停止返回时，Discord 线程与其事件循环必须已经结束。"""
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instance = _discord(_DiscordClientStub())
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instance._start()
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assert instance._client.started.wait(timeout=1)
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try:
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instance.stop()
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assert not instance._thread or not instance._thread.is_alive()
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assert instance._loop.is_closed()
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instance.stop()
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finally:
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_cleanup(instance)
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def test_start_failure_closes_discord_thread_loop() -> None:
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"""Discord 启动协程失败后不得留下空跑线程和未关闭循环。"""
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instance = _discord(_DiscordClientStub(start_error=RuntimeError("invalid token")))
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instance._start()
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assert instance._client.started.wait(timeout=1)
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try:
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assert instance._thread
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instance._thread.join(timeout=1)
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assert not instance._thread.is_alive()
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assert instance._loop.is_closed()
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finally:
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_cleanup(instance)
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def test_stop_during_thread_bootstrap_preserves_runner_cleanup(monkeypatch) -> None:
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"""线程已登记但循环尚未运行时，停止请求不得打断 runner 的关闭流程。"""
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client = _YieldingCloseDiscordClientStub()
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instance = _discord(client)
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runner_entered = threading.Event()
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release_runner = threading.Event()
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original_set_event_loop = asyncio.set_event_loop
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def block_runner(loop: asyncio.AbstractEventLoop | None) -> None:
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if loop is instance._loop:
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runner_entered.set()
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assert release_runner.wait(timeout=1)
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original_set_event_loop(loop)
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monkeypatch.setattr(
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"app.modules.discord.discord.asyncio.set_event_loop",
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block_runner,
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)
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instance._start()
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assert runner_entered.wait(timeout=1)
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stop_thread = threading.Thread(target=instance.stop)
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stop_thread.start()
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assert instance._stop_requested.wait(timeout=1)
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release_runner.set()
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try:
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stop_thread.join(timeout=2)
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assert not stop_thread.is_alive()
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assert client.closed.is_set()
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assert instance._loop.is_closed()
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finally:
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release_runner.set()
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_cleanup(instance)
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