def write_message(self, tag, *fields):
buffer = self.buffer
buffer.seek(0)
buffer.write(bytearray([0xB0 + len(fields), tag]))
pack_into(buffer, *fields, version=self.protocol_version)
buffer.seek(0)
while self._write_chunk(buffer.read(0x7FFF)):
pass
def test_packing_unknown_type(version):
buffer = BytesIO()
with raises(TypeError):
pack_into(buffer, object(), version=version)
def pack_and_unpack(value, version=()):
buffer = BytesIO()
pack_into(buffer, value, version=version)
b = buffer.getvalue()
unpacked = UnpackStream(b).unpack()
return b, unpacked
def test_dict_fails_with_non_string_key():
buffer = BytesIO()
with raises(TypeError):
pack_into(buffer, {object(): 1})
