You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.2 KiB
111 lines
3.2 KiB
# coding: utf-8
|
|
"""Test suite for our JSON utilities."""
|
|
|
|
# Copyright (c) IPython Development Team.
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
from binascii import a2b_base64
|
|
import json
|
|
|
|
from datetime import datetime
|
|
import numbers
|
|
|
|
import nose.tools as nt
|
|
|
|
from .. import jsonutil
|
|
from ..jsonutil import json_clean, encode_images
|
|
from ipython_genutils.py3compat import unicode_to_str
|
|
|
|
class MyInt(object):
|
|
def __int__(self):
|
|
return 389
|
|
numbers.Integral.register(MyInt)
|
|
|
|
class MyFloat(object):
|
|
def __float__(self):
|
|
return 3.14
|
|
numbers.Real.register(MyFloat)
|
|
|
|
|
|
def test():
|
|
# list of input/expected output. Use None for the expected output if it
|
|
# can be the same as the input.
|
|
pairs = [(1, None), # start with scalars
|
|
(1.0, None),
|
|
('a', None),
|
|
(True, None),
|
|
(False, None),
|
|
(None, None),
|
|
# Containers
|
|
([1, 2], None),
|
|
((1, 2), [1, 2]),
|
|
(set([1, 2]), [1, 2]),
|
|
(dict(x=1), None),
|
|
({'x': 1, 'y':[1,2,3], '1':'int'}, None),
|
|
# More exotic objects
|
|
((x for x in range(3)), [0, 1, 2]),
|
|
(iter([1, 2]), [1, 2]),
|
|
(datetime(1991, 7, 3, 12, 00), "1991-07-03T12:00:00.000000"),
|
|
(MyFloat(), 3.14),
|
|
(MyInt(), 389)
|
|
]
|
|
|
|
for val, jval in pairs:
|
|
if jval is None:
|
|
jval = val
|
|
out = json_clean(val)
|
|
# validate our cleanup
|
|
assert out == jval
|
|
# and ensure that what we return, indeed encodes cleanly
|
|
json.loads(json.dumps(out))
|
|
|
|
|
|
def test_encode_images():
|
|
# invalid data, but the header and footer are from real files
|
|
pngdata = b'\x89PNG\r\n\x1a\nblahblahnotactuallyvalidIEND\xaeB`\x82'
|
|
jpegdata = b'\xff\xd8\xff\xe0\x00\x10JFIFblahblahjpeg(\xa0\x0f\xff\xd9'
|
|
pdfdata = b'%PDF-1.\ntrailer<</Root<</Pages<</Kids[<</MediaBox[0 0 3 3]>>]>>>>>>'
|
|
bindata = b'\xff\xff\xff\xff'
|
|
|
|
fmt = {
|
|
'image/png' : pngdata,
|
|
'image/jpeg' : jpegdata,
|
|
'application/pdf' : pdfdata,
|
|
'application/unrecognized': bindata,
|
|
}
|
|
encoded = json_clean(encode_images(fmt))
|
|
for key, value in fmt.items():
|
|
# encoded has unicode, want bytes
|
|
decoded = a2b_base64(encoded[key])
|
|
assert decoded == value
|
|
encoded2 = json_clean(encode_images(encoded))
|
|
assert encoded == encoded2
|
|
|
|
# test that we don't double-encode base64 str
|
|
b64_str = {}
|
|
for key, encoded in encoded.items():
|
|
b64_str[key] = unicode_to_str(encoded)
|
|
encoded3 = json_clean(encode_images(b64_str))
|
|
assert encoded3 == b64_str
|
|
for key, value in fmt.items():
|
|
decoded = a2b_base64(encoded3[key])
|
|
assert decoded == value
|
|
|
|
def test_lambda():
|
|
with nt.assert_raises(ValueError):
|
|
json_clean(lambda : 1)
|
|
|
|
|
|
def test_exception():
|
|
bad_dicts = [{1:'number', '1':'string'},
|
|
{True:'bool', 'True':'string'},
|
|
]
|
|
for d in bad_dicts:
|
|
nt.assert_raises(ValueError, json_clean, d)
|
|
|
|
|
|
def test_unicode_dict():
|
|
data = {u'üniço∂e': u'üniço∂e'}
|
|
clean = jsonutil.json_clean(data)
|
|
assert data == clean
|