msgpack-python/test/test_obj.py at master · fried/msgpack-python · GitHub

History

82 lines (55 loc) · 2.08 KB

Raw

#!/usr/bin/env python

# coding: utf-8

from pytest import raises

from msgpack import packb, unpackb

def _decode_complex(obj):

if b"__complex__" in obj:

return complex(obj[b"real"], obj[b"imag"])

return obj

def _encode_complex(obj):

if isinstance(obj, complex):

return {b"__complex__": True, b"real": 1, b"imag": 2}

return obj

def test_encode_hook():

packed = packb([3, 1 + 2j], default=_encode_complex)

unpacked = unpackb(packed, use_list=1)

assert unpacked[1] == {b"__complex__": True, b"real": 1, b"imag": 2}

def test_decode_hook():

packed = packb([3, {b"__complex__": True, b"real": 1, b"imag": 2}])

unpacked = unpackb(packed, object_hook=_decode_complex, use_list=1)

assert unpacked[1] == 1 + 2j

def test_decode_pairs_hook():

packed = packb([3, {1: 2, 3: 4}])

prod_sum = 1 * 2 + 3 * 4

unpacked = unpackb(

packed,

object_pairs_hook=lambda l: sum(k * v for k, v in l),

use_list=1,

strict_map_key=False,

)

assert unpacked[1] == prod_sum

def test_only_one_obj_hook():

with raises(TypeError):

unpackb(b"", object_hook=lambda x: x, object_pairs_hook=lambda x: x)

def test_bad_hook():

with raises(TypeError):

packed = packb([3, 1 + 2j], default=lambda o: o)

unpacked = unpackb(packed, use_list=1)

def _arr_to_str(arr):

return "".join(str(c) for c in arr)

def test_array_hook():

packed = packb([1, 2, 3])

unpacked = unpackb(packed, list_hook=_arr_to_str, use_list=1)

assert unpacked == "123"

class DecodeError(Exception):

pass

def bad_complex_decoder(o):

raise DecodeError("Ooops!")

def test_an_exception_in_objecthook1():

with raises(DecodeError):

packed = packb({1: {"__complex__": True, "real": 1, "imag": 2}})

unpackb(packed, object_hook=bad_complex_decoder, strict_map_key=False)

def test_an_exception_in_objecthook2():

with raises(DecodeError):

packed = packb({1: [{"__complex__": True, "real": 1, "imag": 2}]})

unpackb(packed, list_hook=bad_complex_decoder, use_list=1, strict_map_key=False)

msgpack-python/test/test_obj.py at master · fried/msgpack-python · GitHub

Expand file tree

Breadcrumbs

test_obj.py

Latest commit

History

Breadcrumbs

test_obj.py

File metadata and controls