Fix test on Windows

tests/tests/test_general/test_system.py

@@ -2,7 +2,7 @@
 import random
 from pathlib import Path
 from random import shuffle
-from unittest.mock import Mock, patch
+from unittest.mock import MagicMock, Mock, patch
 
 import pytest
 
@@ -43,10 +43,21 @@ def mock_disk_usage():
 @pytest.fixture
 def mock_statvfs():
     """Fixture to mock os.statvfs."""
-    mock_stats = Mock()
-    mock_stats.f_frsize = 1024  # Fragment size
-    mock_stats.f_bavail = 1000  # Free blocks
-    return mock_stats
+    f_frsize = 1024
+    f_bavail = 1000
+    if not hasattr(os, "statvfs"):
+        # Windows doesn't have statvfs, so we need to mock it
+        mocked_statvfs = MagicMock()
+        mocked_statvfs.return_value = MagicMock(
+            f_frsize=f_frsize, f_bavail=f_bavail
+        )
+
+    else:
+        # Linux/macOS has statvfs so only the values need to be set
+        mocked_statvfs = Mock()
+        mocked_statvfs.f_frsize = f_frsize  # Fragment size
+        mocked_statvfs.f_bavail = f_bavail  # Free blocks
+    return mocked_statvfs
 
 
 def test_replace_extension():