Function test_load_corrupt_stats

tests/test_stats_manager.py:171–198

Test loading a corrupted stats file created by outputting data in the wrong format.

(tmp_path: Path)

def test_load_corrupt_stats(tmp_path: Path):
    """Test loading a corrupted stats file created by outputting data in the wrong format."""

    stats_manager = StatsManager()

    path = tmp_path.joinpath("stats.csv")
    with open(path, "w") as stats_file:
        stats_writer = csv.writer(stats_file, lineterminator="\n")

        some_metric_key = "some_metric"
        some_metric_value = str(1.2)
        some_frame_key = 100
        base_timecode = FrameTimecode(0, 29.97)
        some_frame_timecode = base_timecode + some_frame_key

        # Write out some invalid files.

        # File #0: Wrong Header Names [StatsFileCorrupt]
        # Swapped timecode & frame number.
        stats_writer.writerow([COLUMN_NAME_TIMECODE, COLUMN_NAME_FRAME_NUMBER, some_metric_key])
        stats_writer.writerow(
            [some_frame_key, some_frame_timecode.get_timecode(), some_metric_value]
        )

        stats_file.close()

        with pytest.raises(StatsFileCorrupt):
            stats_manager.load_from_csv(path)