def calculates_chunk_size_for_small_file():
    nbytes = 1000
    cs = upload.multipart_chunksize(nbytes)

    assert_equal(cs, 8 * upload.MB)
def calculates_chunk_size_for_large_file():
    nbytes = 180 * upload.GB
    cs = upload.multipart_chunksize(nbytes)
    assert_equal(cs, math.ceil(nbytes/upload.MAX_PARTS))