ConfigManager V2

tests/v2/test_config_reload_fallback.py

@@ -0,0 +1,33 @@
+import asyncio
+
+from config_manager.v2 import ConfigManagerV2
+
+
+class ReloadApp(ConfigManagerV2):
+    def execute(self) -> None:
+        return
+
+
+def test_invalid_config_keeps_last_valid(tmp_path):
+    async def scenario() -> None:
+        cfg = tmp_path / "config.yaml"
+        cfg.write_text("work_interval: 0.2\nupdate_interval: 0.05\n", encoding="utf-8")
+
+        app = ReloadApp(str(cfg))
+        runner = asyncio.create_task(app.start())
+
+        await asyncio.sleep(0.12)
+        assert app.work_interval == 0.2
+        assert app.update_interval == 0.05
+
+        cfg.write_text("work_interval: [broken\n", encoding="utf-8")
+        await asyncio.sleep(0.15)
+
+        assert app.work_interval == 0.2
+        assert app.update_interval == 0.05
+        assert isinstance(app.config, dict)
+
+        await app.stop()
+        await runner
+
+    asyncio.run(scenario())