def test_iter_decompressed_zlib_can_read_all_bytes():
"""
iter_decompressed_zlib will eventually read all of the bytes in the
provided file object.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj)
assert list(it) == [b'\0'] * 65536 + list(iterbytes(decompressed_data))
def test_iter_decompressed_zlib_can_read_all_bytes():
"""
iter_decompressed_zlib will eventually read all of the bytes in the
provided file object.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj)
assert list(it) == [b'\0'] * 65536 + list(iterbytes(decompressed_data))
def test_iter_decompressed_zlib_reads_by_chunksize():
"""
iter_decompressed_zlib will read from the provided file object in
increments of chunksize.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj, chunksize=99)
next(it)
assert fobj.tell() == 99
def test_iter_decompressed_zlib_lazily_reads_chunks():
"""
iter_decompressed_zlib reads chunks at a time; it will not read the entire
file at once if it doesn't need to.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj)
next(it)
assert fobj.tell() not in {0, len(compressed_data)}
def test_iter_decompressed_zlib_reads_by_chunksize():
"""
iter_decompressed_zlib will read from the provided file object in
increments of chunksize.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj, chunksize=99)
next(it)
assert fobj.tell() == 99
def test_iter_decompressed_zlib_lazily_reads_chunks():
"""
iter_decompressed_zlib reads chunks at a time; it will not read the entire
file at once if it doesn't need to.
"""
fobj = BytesIO(compressed_data)
it = flash.iter_decompressed_zlib(fobj)
next(it)
assert fobj.tell() not in {0, len(compressed_data)}