Make backtest hashable

Author: MDUYN

investing_algorithm_framework/domain/backtesting/backtest.py

@@ -427,3 +427,13 @@ def add_permutation_test(
                 to add.
         """
         self.backtest_permutation_tests.append(permutation_test)
+
+    def __hash__(self):
+        start_dates = [run.backtest_start_date for run in self.backtest_runs]
+        end_dates = [run.backtest_end_date for run in self.backtest_runs]
+        metadata_items = tuple(sorted(self.metadata.items()))
+        return hash((
+            tuple(sorted(start_dates)),
+            tuple(sorted(end_dates)),
+            metadata_items
+        ))

investing_algorithm_framework/domain/backtesting/backtest_run.py

@@ -254,6 +254,10 @@ def save(self, directory_path: Union[str, Path]) -> None:
             data["backtest_end_date"] = self.backtest_end_date.strftime(
                 "%Y-%m-%d %H:%M:%S"
             )
+
+            if self.created_at.tzinfo is None:
+                self.created_at = self.created_at.replace(tzinfo=timezone.utc)
+
             data["created_at"] = self.created_at.strftime(
                 "%Y-%m-%d %H:%M:%S"
             )