summaryrefslogtreecommitdiff
path: root/simplejson/tests/test_speedups.py
blob: 89a30d9b59c5a2633ba701a2789f817168e13302 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
import sys
import unittest
from unittest import TestCase

import simplejson
from simplejson import encoder, decoder, scanner
from simplejson.compat import PY3, long_type


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_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)