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#!/usr/bin/env python
# coding: utf-8
from pytest import raises
from msgpack import packb, unpackb, Unpacker, FormatError, StackError, OutOfData
import datetime
class DummyException(Exception):
pass
def test_raise_on_find_unsupported_value():
with raises(TypeError):
packb(datetime.datetime.now())
def test_raise_from_object_hook():
def hook(obj):
raise DummyException
raises(DummyException, unpackb, packb({}), object_hook=hook)
raises(DummyException, unpackb, packb({"fizz": "buzz"}), object_hook=hook)
raises(DummyException, unpackb, packb({"fizz": "buzz"}), object_pairs_hook=hook)
raises(DummyException, unpackb, packb({"fizz": {"buzz": "spam"}}), object_hook=hook)
raises(
DummyException,
unpackb,
packb({"fizz": {"buzz": "spam"}}),
object_pairs_hook=hook,
)
def test_invalidvalue():
incomplete = b"\xd9\x97#DL_" # raw8 - length=0x97
with raises(ValueError):
unpackb(incomplete)
with raises(OutOfData):
unpacker = Unpacker()
unpacker.feed(incomplete)
unpacker.unpack()
with raises(FormatError):
unpackb(b"\xc1") # (undefined tag)
with raises(FormatError):
unpackb(b"\x91\xc1") # fixarray(len=1) [ (undefined tag) ]
with raises(StackError):
unpackb(b"\x91" * 3000) # nested fixarray(len=1)
def test_strict_map_key():
valid = {u"unicode": 1, b"bytes": 2}
packed = packb(valid, use_bin_type=True)
assert valid == unpackb(packed, raw=True, strict_map_key=True)
invalid = {42: 1}
packed = packb(invalid, use_bin_type=True)
with raises(ValueError):
unpackb(packed, raw=True, strict_map_key=True)
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