/usr/lib/python2.7/dist-packages/kombu/tests/test_serialization.py is in python-kombu 3.0.33-1ubuntu2.
This file is owned by root:root, with mode 0o644.
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# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import unicode_literals
import sys
from base64 import b64decode
from kombu.exceptions import ContentDisallowed, EncodeError, DecodeError
from kombu.five import text_t, bytes_t
from kombu.serialization import (
registry, register, SerializerNotInstalled,
raw_encode, register_yaml, register_msgpack,
dumps, loads, pickle, pickle_protocol,
unregister, register_pickle, enable_insecure_serializers,
disable_insecure_serializers,
)
from kombu.utils.encoding import str_to_bytes
from .case import Case, call, mask_modules, patch, skip_if_not_module
# For content_encoding tests
unicode_string = 'abcdé\u8463'
unicode_string_as_utf8 = unicode_string.encode('utf-8')
latin_string = 'abcdé'
latin_string_as_latin1 = latin_string.encode('latin-1')
latin_string_as_utf8 = latin_string.encode('utf-8')
# For serialization tests
py_data = {
'string': 'The quick brown fox jumps over the lazy dog',
'int': 10,
'float': 3.14159265,
'unicode': 'Thé quick brown fox jumps over thé lazy dog',
'list': ['george', 'jerry', 'elaine', 'cosmo'],
}
# JSON serialization tests
json_data = """\
{"int": 10, "float": 3.1415926500000002, \
"list": ["george", "jerry", "elaine", "cosmo"], \
"string": "The quick brown fox jumps over the lazy \
dog", "unicode": "Th\\u00e9 quick brown fox jumps over \
th\\u00e9 lazy dog"}\
"""
# Pickle serialization tests
pickle_data = pickle.dumps(py_data, protocol=pickle_protocol)
# YAML serialization tests
yaml_data = """\
float: 3.1415926500000002
int: 10
list: [george, jerry, elaine, cosmo]
string: The quick brown fox jumps over the lazy dog
unicode: "Th\\xE9 quick brown fox jumps over th\\xE9 lazy dog"
"""
msgpack_py_data = dict(py_data)
# Unicode chars are lost in transmit :(
msgpack_py_data['unicode'] = 'Th quick brown fox jumps over th lazy dog'
msgpack_data = b64decode(str_to_bytes("""\
haNpbnQKpWZsb2F0y0AJIftTyNTxpGxpc3SUpmdlb3JnZaVqZXJyeaZlbGFpbmWlY29zbW+mc3Rya\
W5n2gArVGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIHRoZSBsYXp5IGRvZ6d1bmljb2Rl2g\
ApVGggcXVpY2sgYnJvd24gZm94IGp1bXBzIG92ZXIgdGggbGF6eSBkb2c=\
"""))
def say(m):
sys.stderr.write('%s\n' % (m, ))
registry.register('testS', lambda s: s, lambda s: 'decoded',
'application/testS', 'utf-8')
class test_Serialization(Case):
def test_disable(self):
disabled = registry._disabled_content_types
try:
registry.disable('testS')
self.assertIn('application/testS', disabled)
disabled.clear()
registry.disable('application/testS')
self.assertIn('application/testS', disabled)
finally:
disabled.clear()
def test_enable(self):
registry._disabled_content_types.add('application/json')
registry.enable('json')
self.assertNotIn('application/json', registry._disabled_content_types)
registry._disabled_content_types.add('application/json')
registry.enable('application/json')
self.assertNotIn('application/json', registry._disabled_content_types)
def test_loads_when_disabled(self):
disabled = registry._disabled_content_types
try:
registry.disable('testS')
with self.assertRaises(SerializerNotInstalled):
loads('xxd', 'application/testS', 'utf-8', force=False)
ret = loads('xxd', 'application/testS', 'utf-8', force=True)
self.assertEqual(ret, 'decoded')
finally:
disabled.clear()
def test_loads_when_data_is_None(self):
loads(None, 'application/testS', 'utf-8')
def test_content_type_decoding(self):
self.assertEqual(
unicode_string,
loads(unicode_string_as_utf8,
content_type='plain/text', content_encoding='utf-8'),
)
self.assertEqual(
latin_string,
loads(latin_string_as_latin1,
content_type='application/data', content_encoding='latin-1'),
)
def test_content_type_binary(self):
self.assertIsInstance(
loads(unicode_string_as_utf8,
content_type='application/data', content_encoding='binary'),
bytes_t,
)
self.assertEqual(
unicode_string_as_utf8,
loads(unicode_string_as_utf8,
content_type='application/data', content_encoding='binary'),
)
def test_content_type_encoding(self):
# Using the 'raw' serializer
self.assertEqual(
unicode_string_as_utf8,
dumps(unicode_string, serializer='raw')[-1],
)
self.assertEqual(
latin_string_as_utf8,
dumps(latin_string, serializer='raw')[-1],
)
# And again w/o a specific serializer to check the
# code where we force unicode objects into a string.
self.assertEqual(
unicode_string_as_utf8,
dumps(unicode_string)[-1],
)
self.assertEqual(
latin_string_as_utf8,
dumps(latin_string)[-1],
)
def test_enable_insecure_serializers(self):
with patch('kombu.serialization.registry') as registry:
enable_insecure_serializers()
registry.assert_has_calls([
call.enable('pickle'), call.enable('yaml'),
call.enable('msgpack'),
])
registry.enable.side_effect = KeyError()
enable_insecure_serializers()
with patch('kombu.serialization.registry') as registry:
enable_insecure_serializers(['msgpack'])
registry.assert_has_calls([call.enable('msgpack')])
def test_disable_insecure_serializers(self):
with patch('kombu.serialization.registry') as registry:
registry._decoders = ['pickle', 'yaml', 'doomsday']
disable_insecure_serializers(allowed=['doomsday'])
registry.disable.assert_has_calls([call('pickle'), call('yaml')])
registry.enable.assert_has_calls([call('doomsday')])
disable_insecure_serializers(allowed=None)
registry.disable.assert_has_calls([
call('pickle'), call('yaml'), call('doomsday')
])
def test_reraises_EncodeError(self):
with self.assertRaises(EncodeError):
dumps([object()], serializer='json')
def test_reraises_DecodeError(self):
with self.assertRaises(DecodeError):
loads(object(), content_type='application/json',
content_encoding='utf-8')
def test_json_loads(self):
self.assertEqual(
py_data,
loads(json_data,
content_type='application/json', content_encoding='utf-8'),
)
def test_json_dumps(self):
self.assertEqual(
loads(
dumps(py_data, serializer='json')[-1],
content_type='application/json',
content_encoding='utf-8',
),
loads(
json_data,
content_type='application/json',
content_encoding='utf-8',
),
)
@skip_if_not_module('msgpack', (ImportError, ValueError))
def test_msgpack_loads(self):
register_msgpack()
res = loads(msgpack_data,
content_type='application/x-msgpack',
content_encoding='binary')
if sys.version_info[0] < 3:
for k, v in res.items():
if isinstance(v, text_t):
res[k] = v.encode()
if isinstance(v, (list, tuple)):
res[k] = [i.encode() for i in v]
self.assertEqual(
msgpack_py_data,
res,
)
@skip_if_not_module('msgpack', (ImportError, ValueError))
def test_msgpack_dumps(self):
register_msgpack()
self.assertEqual(
loads(
dumps(msgpack_py_data, serializer='msgpack')[-1],
content_type='application/x-msgpack',
content_encoding='binary',
),
loads(
msgpack_data,
content_type='application/x-msgpack',
content_encoding='binary',
),
)
@skip_if_not_module('yaml')
def test_yaml_loads(self):
register_yaml()
self.assertEqual(
py_data,
loads(yaml_data,
content_type='application/x-yaml',
content_encoding='utf-8'),
)
@skip_if_not_module('yaml')
def test_yaml_dumps(self):
register_yaml()
self.assertEqual(
loads(
dumps(py_data, serializer='yaml')[-1],
content_type='application/x-yaml',
content_encoding='utf-8',
),
loads(
yaml_data,
content_type='application/x-yaml',
content_encoding='utf-8',
),
)
def test_pickle_loads(self):
self.assertEqual(
py_data,
loads(pickle_data,
content_type='application/x-python-serialize',
content_encoding='binary'),
)
def test_pickle_dumps(self):
self.assertEqual(
pickle.loads(pickle_data),
pickle.loads(dumps(py_data, serializer='pickle')[-1]),
)
def test_register(self):
register(None, None, None, None)
def test_unregister(self):
with self.assertRaises(SerializerNotInstalled):
unregister('nonexisting')
dumps('foo', serializer='pickle')
unregister('pickle')
with self.assertRaises(SerializerNotInstalled):
dumps('foo', serializer='pickle')
register_pickle()
def test_set_default_serializer_missing(self):
with self.assertRaises(SerializerNotInstalled):
registry._set_default_serializer('nonexisting')
def test_dumps_missing(self):
with self.assertRaises(SerializerNotInstalled):
dumps('foo', serializer='nonexisting')
def test_dumps__no_serializer(self):
ctyp, cenc, data = dumps(str_to_bytes('foo'))
self.assertEqual(ctyp, 'application/data')
self.assertEqual(cenc, 'binary')
def test_loads__trusted_content(self):
loads('tainted', 'application/data', 'binary', accept=[])
loads('tainted', 'application/text', 'utf-8', accept=[])
def test_loads__not_accepted(self):
with self.assertRaises(ContentDisallowed):
loads('tainted', 'application/x-evil', 'binary', accept=[])
with self.assertRaises(ContentDisallowed):
loads('tainted', 'application/x-evil', 'binary',
accept=['application/x-json'])
self.assertTrue(
loads('tainted', 'application/x-doomsday', 'binary',
accept=['application/x-doomsday'])
)
def test_raw_encode(self):
self.assertTupleEqual(
raw_encode('foo'.encode('utf-8')),
('application/data', 'binary', 'foo'.encode('utf-8')),
)
@mask_modules('yaml')
def test_register_yaml__no_yaml(self):
register_yaml()
with self.assertRaises(SerializerNotInstalled):
loads('foo', 'application/x-yaml', 'utf-8')
@mask_modules('msgpack')
def test_register_msgpack__no_msgpack(self):
register_msgpack()
with self.assertRaises(SerializerNotInstalled):
loads('foo', 'application/x-msgpack', 'utf-8')
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