venv/lib/python3.12/site-packages/joblib/test/test_numpy_pickle_utils.py

from joblib.compressor import BinaryZlibFile
from joblib.testing import parametrize


@parametrize("filename", ["test", "test"])  # testing str and unicode names
def test_binary_zlib_file(tmpdir, filename):
    """Testing creation of files depending on the type of the filenames."""
    binary_file = BinaryZlibFile(tmpdir.join(filename).strpath, mode="wb")
    binary_file.close()