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https://github.com/msgpack/msgpack-python.git
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33e0e86f4e
* use isort * fallback: use BytesIO instead of StringIO. We had dropped Python 2 already.
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
from pytest import raises
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from msgpack import Packer, packb, unpackb
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def test_unpack_buffer():
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from array import array
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buf = array("b")
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buf.frombytes(packb((b"foo", b"bar")))
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obj = unpackb(buf, use_list=1)
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assert [b"foo", b"bar"] == obj
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def test_unpack_bytearray():
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buf = bytearray(packb((b"foo", b"bar")))
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obj = unpackb(buf, use_list=1)
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assert [b"foo", b"bar"] == obj
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expected_type = bytes
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assert all(type(s) == expected_type for s in obj)
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def test_unpack_memoryview():
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buf = bytearray(packb((b"foo", b"bar")))
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view = memoryview(buf)
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obj = unpackb(view, use_list=1)
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assert [b"foo", b"bar"] == obj
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expected_type = bytes
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assert all(type(s) == expected_type for s in obj)
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def test_packer_getbuffer():
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packer = Packer(autoreset=False)
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packer.pack_array_header(2)
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packer.pack(42)
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packer.pack("hello")
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buffer = packer.getbuffer()
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assert isinstance(buffer, memoryview)
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assert bytes(buffer) == b"\x92*\xa5hello"
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if Packer.__module__ == "msgpack._cmsgpack": # only for Cython
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# cython Packer supports buffer protocol directly
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assert bytes(packer) == b"\x92*\xa5hello"
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with raises(BufferError):
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packer.pack(42)
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buffer.release()
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packer.pack(42)
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assert bytes(packer) == b"\x92*\xa5hello*"
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