def test_unpacker_tell():
objects = 1, 2, u"abc", u"def", u"ghi"
packed = b"\x01\x02\xa3abc\xa3def\xa3ghi"
positions = 1, 2, 6, 10, 14
unpacker = Unpacker(BytesIO(packed))
for obj, unp, pos in zip(objects, unpacker, positions):
assert obj == unp
assert pos == unpacker.tell()
def test_unpacker_tell_read_bytes():
objects = 1, u"abc", u"ghi"
packed = b"\x01\x02\xa3abc\xa3def\xa3ghi"
raw_data = b"\x02", b"\xa3def", b""
lenghts = 1, 4, 999
positions = 1, 6, 14
unpacker = Unpacker(BytesIO(packed))
for obj, unp, pos, n, raw in zip(objects, unpacker, positions, lenghts,
raw_data):
assert obj == unp
assert pos == unpacker.tell()
assert unpacker.read_bytes(n) == raw
def test_unpack_tell():
stream = io.BytesIO()
messages = [2**i-1 for i in range(65)]
messages += [-(2**i) for i in range(1, 64)]
messages += [b'hello', b'hello'*1000, list(range(20)),
{i: bytes(i)*i for i in range(10)},
{i: bytes(i)*i for i in range(32)}]
offsets = []
for m in messages:
pack(m, stream)
offsets.append(stream.tell())
stream.seek(0)
unpacker = Unpacker(stream)
for m, o in zip(messages, offsets):
m2 = next(unpacker)
assert m == m2
assert o == unpacker.tell()
def test_unpack_tell():
stream = io.BytesIO()
messages = [2**i - 1 for i in range(65)]
messages += [-(2**i) for i in range(1, 64)]
messages += [
b'hello', b'hello' * 1000,
list(range(20)), {i: bytes(i) * i
for i in range(10)},
{i: bytes(i) * i
for i in range(32)}
]
offsets = []
for m in messages:
pack(m, stream)
offsets.append(stream.tell())
stream.seek(0)
unpacker = Unpacker(stream)
for m, o in zip(messages, offsets):
m2 = next(unpacker)
assert m == m2
assert o == unpacker.tell()
