chore: import deployable mai-bot source tree

pytests/config_test/test_config_manager_hot_reload.py

@@ -0,0 +1,104 @@
+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