refactor(pre-alpha): fail closed on historical fixture bounds

2026-03-26 12:04:42 +01:00
parent f38d0a53a9
commit 68275c4d18
5 changed files with 82 additions and 17 deletions
--- a/app/services/backtesting/comparison.py
+++ b/app/services/backtesting/comparison.py
@@ -121,7 +121,9 @@ class EventComparisonService:
        provider_ref: ProviderRef | None = None,
        history: list[DailyClosePoint] | None = None,
    ) -> BacktestScenario:
-        selected_template_slugs = tuple(template_slugs or preset.scenario_overrides.default_template_slugs)
+        selected_template_slugs = (
+            tuple(preset.scenario_overrides.default_template_slugs) if template_slugs is None else tuple(template_slugs)
+        )
        if not selected_template_slugs:
            raise ValueError("Event comparison requires at least one template slug")