119 lines
4.7 KiB
Python
119 lines
4.7 KiB
Python
from __future__ import absolute_import
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import decimal
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from unittest import TestCase
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import simplejson as json
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from simplejson.compat import StringIO, b, binary_type
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from simplejson import OrderedDict
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class MisbehavingBytesSubtype(binary_type):
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def decode(self, encoding=None):
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return "bad decode"
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def __str__(self):
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return "bad __str__"
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def __bytes__(self):
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return b("bad __bytes__")
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class TestDecode(TestCase):
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if not hasattr(TestCase, 'assertIs'):
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def assertIs(self, a, b):
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self.assertTrue(a is b, '%r is %r' % (a, b))
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def test_decimal(self):
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rval = json.loads('1.1', parse_float=decimal.Decimal)
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self.assertTrue(isinstance(rval, decimal.Decimal))
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self.assertEqual(rval, decimal.Decimal('1.1'))
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def test_float(self):
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rval = json.loads('1', parse_int=float)
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self.assertTrue(isinstance(rval, float))
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self.assertEqual(rval, 1.0)
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def test_decoder_optimizations(self):
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# Several optimizations were made that skip over calls to
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# the whitespace regex, so this test is designed to try and
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# exercise the uncommon cases. The array cases are already covered.
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rval = json.loads('{ "key" : "value" , "k":"v" }')
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self.assertEqual(rval, {"key":"value", "k":"v"})
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def test_empty_objects(self):
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s = '{}'
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self.assertEqual(json.loads(s), eval(s))
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s = '[]'
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self.assertEqual(json.loads(s), eval(s))
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s = '""'
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self.assertEqual(json.loads(s), eval(s))
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def test_object_pairs_hook(self):
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s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
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p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
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("qrt", 5), ("pad", 6), ("hoy", 7)]
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self.assertEqual(json.loads(s), eval(s))
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self.assertEqual(json.loads(s, object_pairs_hook=lambda x: x), p)
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self.assertEqual(json.load(StringIO(s),
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object_pairs_hook=lambda x: x), p)
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od = json.loads(s, object_pairs_hook=OrderedDict)
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self.assertEqual(od, OrderedDict(p))
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self.assertEqual(type(od), OrderedDict)
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# the object_pairs_hook takes priority over the object_hook
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self.assertEqual(json.loads(s,
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object_pairs_hook=OrderedDict,
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object_hook=lambda x: None),
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OrderedDict(p))
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def check_keys_reuse(self, source, loads):
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rval = loads(source)
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(a, b), (c, d) = sorted(rval[0]), sorted(rval[1])
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self.assertIs(a, c)
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self.assertIs(b, d)
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def test_keys_reuse_str(self):
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s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'.encode('utf8')
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self.check_keys_reuse(s, json.loads)
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def test_keys_reuse_unicode(self):
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s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'
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self.check_keys_reuse(s, json.loads)
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def test_empty_strings(self):
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self.assertEqual(json.loads('""'), "")
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self.assertEqual(json.loads(u'""'), u"")
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self.assertEqual(json.loads('[""]'), [""])
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self.assertEqual(json.loads(u'[""]'), [u""])
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def test_raw_decode(self):
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cls = json.decoder.JSONDecoder
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self.assertEqual(
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({'a': {}}, 9),
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cls().raw_decode("{\"a\": {}}"))
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# http://code.google.com/p/simplejson/issues/detail?id=85
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self.assertEqual(
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({'a': {}}, 9),
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cls(object_pairs_hook=dict).raw_decode("{\"a\": {}}"))
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# https://github.com/simplejson/simplejson/pull/38
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self.assertEqual(
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({'a': {}}, 11),
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cls().raw_decode(" \n{\"a\": {}}"))
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def test_bytes_decode(self):
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cls = json.decoder.JSONDecoder
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data = b('"\xe2\x82\xac"')
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self.assertEqual(cls().decode(data), u'\u20ac')
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self.assertEqual(cls(encoding='latin1').decode(data), u'\xe2\x82\xac')
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self.assertEqual(cls(encoding=None).decode(data), u'\u20ac')
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data = MisbehavingBytesSubtype(b('"\xe2\x82\xac"'))
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self.assertEqual(cls().decode(data), u'\u20ac')
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self.assertEqual(cls(encoding='latin1').decode(data), u'\xe2\x82\xac')
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self.assertEqual(cls(encoding=None).decode(data), u'\u20ac')
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def test_bounds_checking(self):
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# https://github.com/simplejson/simplejson/issues/98
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j = json.decoder.JSONDecoder()
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for i in [4, 5, 6, -1, -2, -3, -4, -5, -6]:
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self.assertRaises(ValueError, j.scan_once, '1234', i)
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self.assertRaises(ValueError, j.raw_decode, '1234', i)
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x, y = sorted(['128931233', '472389423'], key=id)
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diff = id(x) - id(y)
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self.assertRaises(ValueError, j.scan_once, y, diff)
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self.assertRaises(ValueError, j.raw_decode, y, i)
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