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import sys
import unittest
from unittest import TestCase
import simplejson
from simplejson import encoder, decoder, scanner
from simplejson.compat import PY3
def has_speedups():
return encoder.c_make_encoder is not None
def skip_if_speedups_missing(func):
def wrapper(*args, **kwargs):
if not has_speedups():
if hasattr(unittest, 'SkipTest'):
raise unittest.SkipTest("C Extension not available")
else:
sys.stdout.write("C Extension not available")
return
return func(*args, **kwargs)
return wrapper
class BadBool:
def __bool__(self):
1/0
__nonzero__ = __bool__
class TestDecode(TestCase):
@skip_if_speedups_missing
def test_make_scanner(self):
self.assertRaises(AttributeError, scanner.c_make_scanner, 1)
@skip_if_speedups_missing
def test_bad_bool_args(self):
with self.assertRaises(ZeroDivisionError):
decoder.JSONDecoder(strict=BadBool()).decode('""')
with self.assertRaises(ZeroDivisionError):
decoder.JSONDecoder(strict=BadBool()).decode('{}')
if not PY3:
with self.assertRaises(ZeroDivisionError):
decoder.JSONDecoder(strict=BadBool()).decode(u'""')
with self.assertRaises(ZeroDivisionError):
decoder.JSONDecoder(strict=BadBool()).decode(u'{}')
class TestEncode(TestCase):
@skip_if_speedups_missing
def test_make_encoder(self):
self.assertRaises(
TypeError,
encoder.c_make_encoder,
None,
("\xCD\x7D\x3D\x4E\x12\x4C\xF9\x79\xD7"
"\x52\xBA\x82\xF2\x27\x4A\x7D\xA0\xCA\x75"),
None
)
@skip_if_speedups_missing
def test_bad_bool_args(self):
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(skipkeys=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(ensure_ascii=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(check_circular=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(allow_nan=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(sort_keys=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(use_decimal=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(namedtuple_as_object=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(tuple_as_array=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(bigint_as_string=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(for_json=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(ignore_nan=BadBool()).encode({})
with self.assertRaises(ZeroDivisionError):
encoder.JSONEncoder(iterable_as_array=BadBool()).encode({})
@skip_if_speedups_missing
def test_int_as_string_bitcount_overflow(self):
with self.assertRaises((TypeError, OverflowError)):
encoder.JSONEncoder(int_as_string_bitcount=2**32+31).encode(0)
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