def test_strict_map_key():
valid = {u"unicode": 1, b"bytes": 2}
packed = packb(valid, use_bin_type=True)
assert valid == unpackb(packed, raw=False, strict_map_key=True)
invalid = {42: 1}
packed = packb(invalid, use_bin_type=True)
with raises(ValueError):
unpackb(packed, raw=False, strict_map_key=True)
def test_odict():
seq = [(b"one", 1), (b"two", 2), (b"three", 3), (b"four", 4)]
od = OrderedDict(seq)
assert unpackb(packb(od), use_list=1) == dict(seq)
def pair_hook(seq):
return list(seq)
assert unpackb(packb(od), object_pairs_hook=pair_hook, use_list=1) == seq
def test_str8():
header = b"\xd9"
data = b"x" * 32
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\x20"
assert b[2:] == data
assert unpackb(b) == data
data = b"x" * 255
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\xff"
assert b[2:] == data
assert unpackb(b) == data
def test_bin8():
header = b"\xc4"
data = b""
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\x00"
assert b[2:] == data
assert unpackb(b) == data
data = b"x" * 255
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\xff"
assert b[2:] == data
assert unpackb(b) == data
def test_tuple_ext():
t = ("one", 2, b"three", (4, ))
MSGPACK_EXT_TYPE_TUPLE = 0
def default(o):
if isinstance(o, tuple):
# Convert to list and pack
payload = packb(list(o),
strict_types=True,
use_bin_type=True,
default=default)
return ExtType(MSGPACK_EXT_TYPE_TUPLE, payload)
raise TypeError(repr(o))
def convert(code, payload):
if code == MSGPACK_EXT_TYPE_TUPLE:
# Unpack and convert to tuple
return tuple(unpackb(payload, raw=False, ext_hook=convert))
raise ValueError("Unknown Ext code {}".format(code))
data = packb(t, strict_types=True, use_bin_type=True, default=default)
expected = unpackb(data, raw=False, ext_hook=convert)
assert expected == t
def testIgnoreErrorsPack(): # deprecated
re = unpackb(
packb("abcФФФdef", encoding="ascii", unicode_errors="ignore"),
raw=False,
use_list=1,
)
assert re == "abcdef"
def test_unpack_memoryview():
buf = bytearray(packb(("foo", "bar")))
view = memoryview(buf)
obj = unpackb(view, use_list=1)
assert [b"foo", b"bar"] == obj
expected_type = bytes
assert all(type(s) == expected_type for s in obj)
def test_unpack_buffer():
from array import array
buf = array("b")
buf.frombytes(packb((b"foo", b"bar")))
obj = unpackb(buf, use_list=1)
assert [b"foo", b"bar"] == obj
def encode_decode_thirdparty(self, x, use_bin_type=False, raw=True):
x_enc = msgpack.packb(x,
default=self.encode_thirdparty,
use_bin_type=use_bin_type)
return msgpack.unpackb(x_enc,
raw=raw,
object_hook=self.decode_thirdparty)
def test_bin16():
header = b"\xc5"
data = b"x" * 256
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b"\x01\x00"
assert b[3:] == data
assert unpackb(b) == data
data = b"x" * 65535
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b"\xff\xff"
assert b[3:] == data
assert unpackb(b) == data
def test_bin32():
header = b"\xc6"
data = b"x" * 65536
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 5
assert b[0:1] == header
assert b[1:5] == b"\x00\x01\x00\x00"
assert b[5:] == data
assert unpackb(b) == data
def testPackUnicode():
test_data = ["", "abcd", ["defgh"], "Русский текст"]
for td in test_data:
re = unpackb(packb(td), use_list=1, raw=False)
assert re == td
packer = Packer()
data = packer.pack(td)
re = Unpacker(BytesIO(data), raw=False, use_list=1).unpack()
assert re == td
def testPackUTF32(): # deprecated
try:
test_data = ["", "abcd", ["defgh"], "Русский текст"]
for td in test_data:
re = unpackb(packb(td, encoding="utf-32"),
use_list=1,
encoding="utf-32")
assert re == td
except LookupError as e:
pytest.xfail(e)
def test_namedtuple():
T = namedtuple("T", "foo bar")
def default(o):
if isinstance(o, T):
return dict(o._asdict())
raise TypeError("Unsupported type %s" % (type(o), ))
packed = packb(T(1, 42),
strict_types=True,
use_bin_type=True,
default=default)
unpacked = unpackb(packed, raw=False)
assert unpacked == {"foo": 1, "bar": 42}
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_tuple():
t = ("one", 2, b"three", (4, ))
def default(o):
if isinstance(o, tuple):
return {"__type__": "tuple", "value": list(o)}
raise TypeError("Unsupported type %s" % (type(o), ))
def convert(o):
if o.get("__type__") == "tuple":
return tuple(o["value"])
return o
data = packb(t, strict_types=True, use_bin_type=True, default=default)
expected = unpackb(data, raw=False, object_hook=convert)
assert expected == t
def test_extension_type():
def default(obj):
print("default called", obj)
if isinstance(obj, array.array):
typecode = 123 # application specific typecode
data = obj.tobytes()
return ExtType(typecode, data)
raise TypeError("Unknown type object %r" % (obj, ))
def ext_hook(code, data):
print("ext_hook called", code, data)
assert code == 123
obj = array.array("d")
obj.frombytes(data)
return obj
obj = [42, b"hello", array.array("d", [1.1, 2.2, 3.3])]
s = msgpack.packb(obj, default=default)
obj2 = msgpack.unpackb(s, ext_hook=ext_hook)
assert obj == obj2
def _runtest(format, nbytes, expected_header, expected_prefix, use_bin_type):
# create a new array
original_array = array(format)
original_array.fromlist([255] * (nbytes // original_array.itemsize))
original_data = get_data(original_array)
view = make_memoryview(original_array)
# pack, unpack, and reconstruct array
packed = packb(view, use_bin_type=use_bin_type)
unpacked = unpackb(packed)
reconstructed_array = make_array(format, unpacked)
# check that we got the right amount of data
assert len(original_data) == nbytes
# check packed header
assert packed[:1] == expected_header
# check packed length prefix, if any
assert packed[1 : 1 + len(expected_prefix)] == expected_prefix
# check packed data
assert packed[1 + len(expected_prefix) :] == original_data
# check array unpacked correctly
assert original_array == reconstructed_array
def test_pairlist():
pairlist = [(b"a", 1), (2, b"b"), (b"foo", b"bar")]
packer = Packer()
packed = packer.pack_map_pairs(pairlist)
unpacked = unpackb(packed, object_pairs_hook=list)
assert pairlist == unpacked
def check(b, expected):
assert msgpack.unpackb(b) == expected
def check(src, should, use_list=0):
assert unpackb(src, use_list=use_list) == should
def match(obj, buf):
assert packb(obj) == buf
assert unpackb(buf, use_list=0) == obj
def check(length, obj):
v = packb(obj)
assert len(v) == length, "%r length should be %r but get %r" % (
obj, length, len(v))
assert unpackb(v, use_list=0) == obj
def test_unicode():
assert unpackb(packb("foobar"), use_list=1) == b"foobar"
def check(ext, packed):
assert packb(ext) == packed
assert unpackb(packed) == ext
def test_unpack_bytearray():
buf = bytearray(packb(("foo", "bar")))
obj = unpackb(buf, use_list=1)
assert [b"foo", b"bar"] == obj
expected_type = bytes
assert all(type(s) == expected_type for s in obj)
def testStrictUnicodeUnpack():
with pytest.raises(UnicodeDecodeError):
unpackb(packb(b"abc\xeddef"), raw=False, use_list=1)
def testIgnoreUnicodeErrors(): # deprecated
re = unpackb(packb(b"abc\xeddef"),
encoding="utf-8",
unicode_errors="ignore",
use_list=1)
assert re == "abcdef"
def check(data, use_list=False):
re = unpackb(packb(data), use_list=use_list)
assert re == data
def testDecodeBinary():
re = unpackb(packb(b"abc"), encoding=None, use_list=1)
assert re == b"abc"
