Function test_multiprocessing_identity_preserved

tests/test_enum.py:122–134

()

def test_multiprocessing_identity_preserved():
    # type: () -> None

    # N.B.: Multiprocessing uses pickle; so this test is redundant to the test above, but it is more
    # on point since we directly use multiprocessing and no-where use pickle.

    pool = multiprocessing.Pool()
    try:
        for input_, output in zip(Color.values(), pool.map(_identity, Color.values())):
            assert input_ is output
    finally:
        pool.close()
        pool.join()