def test_filter_items_from_path_files(self, mock_os, mock_os_path):
mock_os.listdir.return_value = ["file1", "dir1"]
mock_os_path.isfile.side_effect = lambda x: x == "file1"
mock_os_path.join.side_effect = lambda x, y: y
files = list(wintersun.filter_items_from_path("./current-dir", mock_os_path.isfile))
self.assertEqual(mock_os_path.join.call_count, 2)
mock_os.listdir.assert_called_with("./current-dir")
self.assertEqual(files, ["file1"])
def test_filter_items_from_path_dirs(self, mock_os, mock_os_path):
mock_os.listdir.return_value = ["file1", "dir1"]
mock_os_path.isdir.side_effect = lambda full_path: full_path == "dir1"
mock_os_path.join.side_effect = lambda path, filename: filename
dirs = list(wintersun.filter_items_from_path("./current-dir", mock_os_path.isdir))
self.assertEqual(mock_os_path.join.call_count, 2)
self.assertEqual(mock_os_path.isdir.call_count, 2)
mock_os.listdir.assert_called_with("./current-dir")
self.assertEqual(dirs, ["dir1"])
