Fix tests

Author: MDUYN

investing_algorithm_framework/app/app.py

@@ -458,8 +458,8 @@ def initialize_data_sources_backtest(
             for _, data_provider in \
                     tqdm(data_providers, desc=description, colour="green"):
                 data_provider.prepare_backtest_data(
-                    backtest_date_range.start_date,
-                    backtest_date_range.end_date
+                    backtest_start_date=backtest_date_range.start_date,
+                    backtest_end_date=backtest_date_range.end_date
                 )
 
     def initialize_backtest_services(self):

investing_algorithm_framework/domain/backtesting/backtest.py

@@ -83,6 +83,7 @@ def open(directory_path: Union[str, Path]) -> 'Backtest':
 
         backtest_metrics = None
         backtest_results = None
+        permutation_metrics = None
         data_file_paths = []
         strategy_related_paths = []
         metadata = {}

investing_algorithm_framework/infrastructure/data_providers/pandas.py

@@ -280,9 +280,7 @@ def prepare_backtest_data(
         if self.window_size is not None:
             # Create cache with sliding windows
             self._precompute_sliding_windows(
-                data=self.data,
                 window_size=self.window_size,
-                time_frame=self.time_frame,
                 start_date=backtest_start_date,
                 end_date=backtest_end_date
             )

tests/resources/backtest_report/results.json

@@ -34,5 +34,5 @@
             "total_value": 1200
         }
     ],
-    "created_at": "2025-08-26 08:19:34"
+    "created_at": "2025-08-26 11:43:46"
 }

tests/resources/backtest_reports_for_testing/test_algorithm_backtest/results.json

@@ -34,5 +34,5 @@
             "total_value": 1000.0
         }
     ],
-    "created_at": "2025-08-26 08:19:25"
+    "created_at": "2025-08-26 11:43:36"
 }