cpython/Lib/json/tests/test_decode.py

35 lines
1.4 KiB
Python

import decimal
from unittest import TestCase
from io import StringIO
import json
from collections import OrderedDict
class TestDecode(TestCase):
def test_decimal(self):
rval = json.loads('1.1', parse_float=decimal.Decimal)
self.assert_(isinstance(rval, decimal.Decimal))
self.assertEquals(rval, decimal.Decimal('1.1'))
def test_float(self):
rval = json.loads('1', parse_int=float)
self.assert_(isinstance(rval, float))
self.assertEquals(rval, 1.0)
def test_object_pairs_hook(self):
s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
("qrt", 5), ("pad", 6), ("hoy", 7)]
self.assertEqual(json.loads(s), eval(s))
self.assertEqual(json.loads(s, object_pairs_hook = lambda x: x), p)
self.assertEqual(json.load(StringIO(s),
object_pairs_hook=lambda x: x), p)
od = json.loads(s, object_pairs_hook = OrderedDict)
self.assertEqual(od, OrderedDict(p))
self.assertEqual(type(od), OrderedDict)
# the object_pairs_hook takes priority over the object_hook
self.assertEqual(json.loads(s,
object_pairs_hook = OrderedDict,
object_hook = lambda x: None),
OrderedDict(p))