def METHOD_NAME(source_name, target_name, download_path):
    source, target, num_channels = DigitDataset.get_source_target(
        DigitDataset(source_name), DigitDataset(target_name), download_path
    )
    assert num_channels == 3
    assert isinstance(source, DigitDatasetAccess)
    assert isinstance(target, DigitDatasetAccess)