from __future__ import with_statement
import sys
import unittest
from unittest import TestCase
import simplejson
from simplejson import encoder, decoder, scanner
from simplejson.compat import PY3, long_type, b
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):
def test(value):
decoder.JSONDecoder(strict=BadBool()).decode(value)
self.assertRaises(ZeroDivisionError, test, '""')
self.assertRaises(ZeroDivisionError, test, '{}')
if not PY3:
self.assertRaises(ZeroDivisionError, test, u'""')
self.assertRaises(ZeroDivisionError, test, 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_str_encoder(self):
# Issue #31505: There shouldn't be an assertion failure in case
# c_make_encoder() receives a bad encoder() argument.
import decimal
def bad_encoder1(*args):
return None
enc = encoder.c_make_encoder(
None, lambda obj: str(obj),
bad_encoder1, None, ': ', ', ',
False, False, False, {}, False, False, False,
None, None, 'utf-8', False, False, decimal.Decimal, False)
self.assertRaises(TypeError, enc, 'spam', 4)
self.assertRaises(TypeError, enc, {'spam': 42}, 4)
def bad_encoder2(*args):
1/0
enc = encoder.c_make_encoder(
None, lambda obj: str(obj),
bad_encoder2, None, ': ', ', ',
False, False, False, {}, False, False, False,
None, None, 'utf-8', False, False, decimal.Decimal, False)
self.assertRaises(ZeroDivisionError, enc, 'spam', 4)
@skip_if_speedups_missing
def test_bad_bool_args(self):
def test(name):
encoder.JSONEncoder(**{name: BadBool()}).encode({})
self.assertRaises(ZeroDivisionError, test, 'skipkeys')
self.assertRaises(ZeroDivisionError, test, 'ensure_ascii')
self.assertRaises(ZeroDivisionError, test, 'check_circular')
self.assertRaises(ZeroDivisionError, test, 'allow_nan')
self.assertRaises(ZeroDivisionError, test, 'sort_keys')
self.assertRaises(ZeroDivisionError, test, 'use_decimal')
self.assertRaises(ZeroDivisionError, test, 'namedtuple_as_object')
self.assertRaises(ZeroDivisionError, test, 'tuple_as_array')
self.assertRaises(ZeroDivisionError, test, 'bigint_as_string')
self.assertRaises(ZeroDivisionError, test, 'for_json')
self.assertRaises(ZeroDivisionError, test, 'ignore_nan')
self.assertRaises(ZeroDivisionError, test, 'iterable_as_array')
@skip_if_speedups_missing
def test_int_as_string_bitcount_overflow(self):
long_count = long_type(2)**32+31
def test():
encoder.JSONEncoder(int_as_string_bitcount=long_count).encode(0)
self.assertRaises((TypeError, OverflowError), test)
if PY3:
@skip_if_speedups_missing
def test_bad_encoding(self):
with self.assertRaises(UnicodeEncodeError):
encoder.JSONEncoder(encoding='\udcff').encode({b('key'): 123})
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