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mai-bot/pytests/config_test/test_config_manager_hot_reload.py

105 lines
2.8 KiB
Python

from pathlib import Path
from watchfiles import Change
import asyncio
import pytest
from src.config.config import ConfigManager
from src.config.file_watcher import FileChange, FileWatcherStats
@pytest.mark.asyncio
async def test_handle_file_changes_throttles_reload():
manager = ConfigManager()
manager._hot_reload_min_interval_s = 100.0
called = 0
async def reload_stub(changed_scopes=None) -> bool:
nonlocal called
called += 1
return True
manager.reload_config = reload_stub # type: ignore[method-assign]
changes = [FileChange(change_type=Change.modified, path=Path("/tmp/bot_config.toml"))]
await manager._handle_file_changes(changes)
await manager._handle_file_changes(changes)
assert called == 1
@pytest.mark.asyncio
async def test_handle_file_changes_timeout_logged(caplog):
manager = ConfigManager()
manager._hot_reload_min_interval_s = 0.0
manager._hot_reload_timeout_s = 0.01
async def reload_stub(changed_scopes=None) -> bool:
await asyncio.sleep(0.05)
return True
manager.reload_config = reload_stub # type: ignore[method-assign]
changes = [FileChange(change_type=Change.modified, path=Path("/tmp/model_config.toml"))]
with caplog.at_level("ERROR"):
await manager._handle_file_changes(changes)
assert "配置热重载超时" in caplog.text
@pytest.mark.asyncio
async def test_handle_file_changes_empty_skips_reload():
manager = ConfigManager()
called = 0
async def reload_stub(changed_scopes=None) -> bool:
nonlocal called
called += 1
return True
manager.reload_config = reload_stub # type: ignore[method-assign]
await manager._handle_file_changes([])
assert called == 0
class _FakeWatcher:
def __init__(self):
self.unsubscribe_called_with: str | None = None
self.stop_called = False
self.stats = FileWatcherStats(
batches_seen=1,
changes_seen=2,
callbacks_succeeded=3,
callbacks_failed=4,
callbacks_timed_out=5,
callbacks_skipped_cooldown=6,
restart_count=7,
)
def unsubscribe(self, subscription_id: str) -> bool:
self.unsubscribe_called_with = subscription_id
return True
async def stop(self) -> None:
self.stop_called = True
@pytest.mark.asyncio
async def test_stop_file_watcher_cleans_state():
manager = ConfigManager()
fake_watcher = _FakeWatcher()
manager._file_watcher = fake_watcher # type: ignore[assignment]
manager._file_watcher_subscription_id = "sub-1"
await manager.stop_file_watcher()
assert fake_watcher.unsubscribe_called_with == "sub-1"
assert fake_watcher.stop_called is True
assert manager._file_watcher is None
assert manager._file_watcher_subscription_id is None