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Viewing File: /opt/imunify360/venv/lib/python3.11/site-packages/simplejson/tests/test_namedtuple.py
from __future__ import absolute_import
import unittest
import simplejson as json
from simplejson.compat import StringIO
try:
from unittest import mock
except ImportError:
mock = None
try:
from collections import namedtuple
except ImportError:
class Value(tuple):
def __new__(cls, *args):
return tuple.__new__(cls, args)
def _asdict(self):
return {'value': self[0]}
class Point(tuple):
def __new__(cls, *args):
return tuple.__new__(cls, args)
def _asdict(self):
return {'x': self[0], 'y': self[1]}
else:
Value = namedtuple('Value', ['value'])
Point = namedtuple('Point', ['x', 'y'])
class DuckValue(object):
def __init__(self, *args):
self.value = Value(*args)
def _asdict(self):
return self.value._asdict()
class DuckPoint(object):
def __init__(self, *args):
self.point = Point(*args)
def _asdict(self):
return self.point._asdict()
class DeadDuck(object):
_asdict = None
class DeadDict(dict):
_asdict = None
CONSTRUCTORS = [
lambda v: v,
lambda v: [v],
lambda v: [{'key': v}],
]
class TestNamedTuple(unittest.TestCase):
def test_namedtuple_dumps(self):
for v in [Value(1), Point(1, 2), DuckValue(1), DuckPoint(1, 2)]:
d = v._asdict()
self.assertEqual(d, json.loads(json.dumps(v)))
self.assertEqual(
d,
json.loads(json.dumps(v, namedtuple_as_object=True)))
self.assertEqual(d, json.loads(json.dumps(v, tuple_as_array=False)))
self.assertEqual(
d,
json.loads(json.dumps(v, namedtuple_as_object=True,
tuple_as_array=False)))
def test_namedtuple_dumps_false(self):
for v in [Value(1), Point(1, 2)]:
l = list(v)
self.assertEqual(
l,
json.loads(json.dumps(v, namedtuple_as_object=False)))
self.assertRaises(TypeError, json.dumps, v,
tuple_as_array=False, namedtuple_as_object=False)
def test_namedtuple_dump(self):
for v in [Value(1), Point(1, 2), DuckValue(1), DuckPoint(1, 2)]:
d = v._asdict()
sio = StringIO()
json.dump(v, sio)
self.assertEqual(d, json.loads(sio.getvalue()))
sio = StringIO()
json.dump(v, sio, namedtuple_as_object=True)
self.assertEqual(
d,
json.loads(sio.getvalue()))
sio = StringIO()
json.dump(v, sio, tuple_as_array=False)
self.assertEqual(d, json.loads(sio.getvalue()))
sio = StringIO()
json.dump(v, sio, namedtuple_as_object=True,
tuple_as_array=False)
self.assertEqual(
d,
json.loads(sio.getvalue()))
def test_namedtuple_dump_false(self):
for v in [Value(1), Point(1, 2)]:
l = list(v)
sio = StringIO()
json.dump(v, sio, namedtuple_as_object=False)
self.assertEqual(
l,
json.loads(sio.getvalue()))
self.assertRaises(TypeError, json.dump, v, StringIO(),
tuple_as_array=False, namedtuple_as_object=False)
def test_asdict_not_callable_dump(self):
for f in CONSTRUCTORS:
self.assertRaises(
TypeError,
json.dump,
f(DeadDuck()),
StringIO(),
namedtuple_as_object=True
)
sio = StringIO()
json.dump(f(DeadDict()), sio, namedtuple_as_object=True)
self.assertEqual(
json.dumps(f({})),
sio.getvalue())
self.assertRaises(
TypeError,
json.dump,
f(Value),
StringIO(),
namedtuple_as_object=True
)
def test_asdict_not_callable_dumps(self):
for f in CONSTRUCTORS:
self.assertRaises(TypeError,
json.dumps, f(DeadDuck()), namedtuple_as_object=True)
self.assertRaises(
TypeError,
json.dumps,
f(Value),
namedtuple_as_object=True
)
self.assertEqual(
json.dumps(f({})),
json.dumps(f(DeadDict()), namedtuple_as_object=True))
def test_asdict_unbound_method_dumps(self):
for f in CONSTRUCTORS:
self.assertEqual(
json.dumps(f(Value), default=lambda v: v.__name__),
json.dumps(f(Value.__name__))
)
def test_asdict_does_not_return_dict(self):
if not mock:
if hasattr(unittest, "SkipTest"):
raise unittest.SkipTest("unittest.mock required")
else:
print("unittest.mock not available")
return
fake = mock.Mock()
self.assertTrue(hasattr(fake, '_asdict'))
self.assertTrue(callable(fake._asdict))
self.assertFalse(isinstance(fake._asdict(), dict))
# https://github.com/simplejson/simplejson/pull/284
# when running under a debug build of CPython (COPTS=-UNDEBUG)
# a C assertion could fire due to an unchecked error of an PyDict
# API call on a non-dict internally in _speedups.c. Without a debug
# build of CPython this test likely passes either way despite the
# potential for internal data corruption. Getting it to crash in
# a debug build is not always easy either as it requires an
# assert(!PyErr_Occurred()) that could fire later on.
with self.assertRaises(TypeError):
json.dumps({23: fake}, namedtuple_as_object=True, for_json=False)
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