Build 060.28: implement Persistent Checkpoint and Startup Recovery

app/tests/unit/bootstrap/test_app_factory.py

@@ -37,7 +37,10 @@ class RecordingJournal:
         del event, message, context
 
 
-def make_settings() -> SimpleNamespace:
+def make_settings(
+    *,
+    storage_enabled: bool = True,
+) -> SimpleNamespace:
     return SimpleNamespace(
         bot_token="test-token",
         bot_parse_mode="HTML",
@@ -46,7 +49,9 @@ def make_settings() -> SimpleNamespace:
         exchange_name="dzengi",
         default_symbol="BTC/USD_LEVERAGE",
         trade_stream=SimpleNamespace(enabled=True),
-        market_data_storage=SimpleNamespace(enabled=True),
+        market_data_storage=SimpleNamespace(
+            enabled=storage_enabled,
+        ),
     )
 
 
@@ -59,9 +64,11 @@ def test_create_app_builds_one_application_composition(
     runtime = object()
     storage_lifecycle = object()
     storage_sink = object()
+    storage_repository = object()
     storage = SimpleNamespace(
         lifecycle=storage_lifecycle,
         trade_observation_sink=storage_sink,
+        trade_repository=storage_repository,
     )
     journal = RecordingJournal()
     observed_runtime_settings: list[object] = []
@@ -103,9 +110,11 @@ def test_create_app_builds_one_application_composition(
         received_settings: object,
         *,
         trade_observation_sink: object,
+        checkpoint_storage: object,
     ) -> object:
         observed_runtime_settings.append(received_settings)
         assert trade_observation_sink is storage_sink
+        assert checkpoint_storage is storage_repository
         return runtime
 
     monkeypatch.setattr(
@@ -162,7 +171,7 @@ def test_runtime_build_error_is_fatal(
     monkeypatch.setattr(
         app_factory,
         "load_settings",
-        make_settings,
+        lambda: make_settings(storage_enabled=False),
     )
     monkeypatch.setattr(
         app_factory,
@@ -189,8 +198,11 @@ def test_runtime_build_error_is_fatal(
         settings: object,
         *,
         trade_observation_sink: object,
+        checkpoint_storage: object,
     ) -> None:
-        del settings, trade_observation_sink
+        del settings
+        assert trade_observation_sink is None
+        assert checkpoint_storage is None
         raise expected
 
     monkeypatch.setattr(