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#!/usr/bin/env python
# coding: utf-8
from
__future__
import
absolute_import
,
division
,
print_function
,
unicode_literals
import
pytest
from
msgpack
import
(
packb
,
unpackb
,
Packer
,
Unpacker
,
ExtType
,
PackOverflowError
,
PackValueError
,
UnpackValueError
,
)
def
test_integer
():
x
=
-
(
2
**
63
)
assert
unpackb
(
packb
(
x
))
==
x
with
pytest
.
raises
(
PackOverflowError
):
packb
(
x
-
1
)
x
=
2
**
64
-
1
assert
unpackb
(
packb
(
x
))
==
x
with
pytest
.
raises
(
PackOverflowError
):
packb
(
x
+
1
)
def
test_array_header
():
packer
=
Packer
()
packer
.
pack_array_header
(
2
**
32
-
1
)
with
pytest
.
raises
(
PackValueError
):
packer
.
pack_array_header
(
2
**
32
)
def
test_map_header
():
packer
=
Packer
()
packer
.
pack_map_header
(
2
**
32
-
1
)
with
pytest
.
raises
(
PackValueError
):
packer
.
pack_array_header
(
2
**
32
)
def
test_max_str_len
():
d
=
"x"
*
3
packed
=
packb
(
d
)
unpacker
=
Unpacker
(
max_str_len
=
3
,
raw
=
False
)
unpacker
.
feed
(
packed
)
assert
unpacker
.
unpack
()
==
d
unpacker
=
Unpacker
(
max_str_len
=
2
,
raw
=
False
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
feed
(
packed
)
unpacker
.
unpack
()
def
test_max_bin_len
():
d
=
b"x"
*
3
packed
=
packb
(
d
,
use_bin_type
=
True
)
unpacker
=
Unpacker
(
max_bin_len
=
3
)
unpacker
.
feed
(
packed
)
assert
unpacker
.
unpack
()
==
d
unpacker
=
Unpacker
(
max_bin_len
=
2
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
feed
(
packed
)
unpacker
.
unpack
()
def
test_max_array_len
():
d
=
[
1
,
2
,
3
]
packed
=
packb
(
d
)
unpacker
=
Unpacker
(
max_array_len
=
3
)
unpacker
.
feed
(
packed
)
assert
unpacker
.
unpack
()
==
d
unpacker
=
Unpacker
(
max_array_len
=
2
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
feed
(
packed
)
unpacker
.
unpack
()
def
test_max_map_len
():
d
=
{
1
:
2
,
3
:
4
,
5
:
6
}
packed
=
packb
(
d
)
unpacker
=
Unpacker
(
max_map_len
=
3
,
strict_map_key
=
False
)
unpacker
.
feed
(
packed
)
assert
unpacker
.
unpack
()
==
d
unpacker
=
Unpacker
(
max_map_len
=
2
,
strict_map_key
=
False
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
feed
(
packed
)
unpacker
.
unpack
()
def
test_max_ext_len
():
d
=
ExtType
(
42
,
b"abc"
)
packed
=
packb
(
d
)
unpacker
=
Unpacker
(
max_ext_len
=
3
)
unpacker
.
feed
(
packed
)
assert
unpacker
.
unpack
()
==
d
unpacker
=
Unpacker
(
max_ext_len
=
2
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
feed
(
packed
)
unpacker
.
unpack
()
# PyPy fails following tests because of constant folding?
# https://bugs.pypy.org/issue1721
# @pytest.mark.skipif(True, reason="Requires very large memory.")
# def test_binary():
# x = b'x' * (2**32 - 1)
# assert unpackb(packb(x)) == x
# del x
# x = b'x' * (2**32)
# with pytest.raises(ValueError):
# packb(x)
#
#
# @pytest.mark.skipif(True, reason="Requires very large memory.")
# def test_string():
# x = 'x' * (2**32 - 1)
# assert unpackb(packb(x)) == x
# x += 'y'
# with pytest.raises(ValueError):
# packb(x)
#
#
# @pytest.mark.skipif(True, reason="Requires very large memory.")
# def test_array():
# x = [0] * (2**32 - 1)
# assert unpackb(packb(x)) == x
# x.append(0)
# with pytest.raises(ValueError):
# packb(x)
# auto max len
def
test_auto_max_array_len
():
packed
=
b"
\xde
\x00
\x06
zz"
with
pytest
.
raises
(
UnpackValueError
):
unpackb
(
packed
,
raw
=
False
)
unpacker
=
Unpacker
(
max_buffer_size
=
5
,
raw
=
False
)
unpacker
.
feed
(
packed
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
unpack
()
def
test_auto_max_map_len
():
# len(packed) == 6 -> max_map_len == 3
packed
=
b"
\xde
\x00
\x04
zzz"
with
pytest
.
raises
(
UnpackValueError
):
unpackb
(
packed
,
raw
=
False
)
unpacker
=
Unpacker
(
max_buffer_size
=
6
,
raw
=
False
)
unpacker
.
feed
(
packed
)
with
pytest
.
raises
(
UnpackValueError
):
unpacker
.
unpack
()
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