| 1 | import decimal
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| 2 | from StringIO import StringIO
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| 3 | from collections import OrderedDict
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| 4 | from json.tests import PyTest, CTest
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| 5 |
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| 6 |
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| 7 | class TestDecode(object):
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| 8 | def test_decimal(self):
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| 9 | rval = self.loads('1.1', parse_float=decimal.Decimal)
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| 10 | self.assertTrue(isinstance(rval, decimal.Decimal))
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| 11 | self.assertEqual(rval, decimal.Decimal('1.1'))
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| 12 |
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| 13 | def test_float(self):
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| 14 | rval = self.loads('1', parse_int=float)
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| 15 | self.assertTrue(isinstance(rval, float))
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| 16 | self.assertEqual(rval, 1.0)
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| 17 |
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| 18 | def test_decoder_optimizations(self):
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| 19 | # Several optimizations were made that skip over calls to
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| 20 | # the whitespace regex, so this test is designed to try and
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| 21 | # exercise the uncommon cases. The array cases are already covered.
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| 22 | rval = self.loads('{ "key" : "value" , "k":"v" }')
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| 23 | self.assertEqual(rval, {"key":"value", "k":"v"})
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| 24 |
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| 25 | def test_empty_objects(self):
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| 26 | self.assertEqual(self.loads('{}'), {})
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| 27 | self.assertEqual(self.loads('[]'), [])
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| 28 | self.assertEqual(self.loads('""'), u"")
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| 29 | self.assertIsInstance(self.loads('""'), unicode)
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| 30 |
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| 31 | def test_object_pairs_hook(self):
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| 32 | s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
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| 33 | p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
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| 34 | ("qrt", 5), ("pad", 6), ("hoy", 7)]
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| 35 | self.assertEqual(self.loads(s), eval(s))
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| 36 | self.assertEqual(self.loads(s, object_pairs_hook=lambda x: x), p)
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| 37 | self.assertEqual(self.json.load(StringIO(s),
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| 38 | object_pairs_hook=lambda x: x), p)
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| 39 | od = self.loads(s, object_pairs_hook=OrderedDict)
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| 40 | self.assertEqual(od, OrderedDict(p))
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| 41 | self.assertEqual(type(od), OrderedDict)
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| 42 | # the object_pairs_hook takes priority over the object_hook
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| 43 | self.assertEqual(self.loads(s, object_pairs_hook=OrderedDict,
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| 44 | object_hook=lambda x: None),
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| 45 | OrderedDict(p))
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| 46 | # check that empty objects literals work (see #17368)
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| 47 | self.assertEqual(self.loads('{}', object_pairs_hook=OrderedDict),
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| 48 | OrderedDict())
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| 49 | self.assertEqual(self.loads('{"empty": {}}',
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| 50 | object_pairs_hook=OrderedDict),
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| 51 | OrderedDict([('empty', OrderedDict())]))
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| 52 |
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| 53 | def test_extra_data(self):
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| 54 | s = '[1, 2, 3]5'
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| 55 | msg = 'Extra data'
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| 56 | self.assertRaisesRegexp(ValueError, msg, self.loads, s)
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| 57 |
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| 58 | def test_invalid_escape(self):
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| 59 | s = '["abc\\y"]'
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| 60 | msg = 'escape'
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| 61 | self.assertRaisesRegexp(ValueError, msg, self.loads, s)
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| 62 |
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| 63 | class TestPyDecode(TestDecode, PyTest): pass
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| 64 | class TestCDecode(TestDecode, CTest): pass
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