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"""Tests for cases where the user seeks to obtain packed msgpack objects"""
import io
from msgpack import Unpacker, packb
def test_write_bytes():
unpacker = Unpacker()
unpacker.feed(b'abc')
f = io.BytesIO()
assert unpacker.unpack(f.write) == ord('a')
assert f.getvalue() == b'a'
f = io.BytesIO()
assert unpacker.skip(f.write) is None
assert f.getvalue() == b'b'
f = io.BytesIO()
assert unpacker.skip() is None
assert f.getvalue() == b''
def test_write_bytes_multi_buffer():
long_val = (5) * 100
expected = packb(long_val)
unpacker = Unpacker(io.BytesIO(expected), read_size=3, max_buffer_size=3)
f = io.BytesIO()
unpacked = unpacker.unpack(f.write)
assert unpacked == long_val
assert f.getvalue() == expected
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