| import decimal | |
| from StringIO import StringIO | |
| from collections import OrderedDict | |
| from json.tests import PyTest, CTest | |
| class TestDecode(object): | |
| def test_decimal(self): | |
| rval = self.loads('1.1', parse_float=decimal.Decimal) | |
| self.assertTrue(isinstance(rval, decimal.Decimal)) | |
| self.assertEqual(rval, decimal.Decimal('1.1')) | |
| def test_float(self): | |
| rval = self.loads('1', parse_int=float) | |
| self.assertTrue(isinstance(rval, float)) | |
| self.assertEqual(rval, 1.0) | |
| def test_decoder_optimizations(self): | |
| # Several optimizations were made that skip over calls to | |
| # the whitespace regex, so this test is designed to try and | |
| # exercise the uncommon cases. The array cases are already covered. | |
| rval = self.loads('{ "key" : "value" , "k":"v" }') | |
| self.assertEqual(rval, {"key":"value", "k":"v"}) | |
| def test_empty_objects(self): | |
| self.assertEqual(self.loads('{}'), {}) | |
| self.assertEqual(self.loads('[]'), []) | |
| self.assertEqual(self.loads('""'), u"") | |
| self.assertIsInstance(self.loads('""'), unicode) | |
| 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(self.loads(s), eval(s)) | |
| self.assertEqual(self.loads(s, object_pairs_hook=lambda x: x), p) | |
| self.assertEqual(self.json.load(StringIO(s), | |
| object_pairs_hook=lambda x: x), p) | |
| od = self.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(self.loads(s, object_pairs_hook=OrderedDict, | |
| object_hook=lambda x: None), | |
| OrderedDict(p)) | |
| # check that empty objects literals work (see #17368) | |
| self.assertEqual(self.loads('{}', object_pairs_hook=OrderedDict), | |
| OrderedDict()) | |
| self.assertEqual(self.loads('{"empty": {}}', | |
| object_pairs_hook=OrderedDict), | |
| OrderedDict([('empty', OrderedDict())])) | |
| def test_extra_data(self): | |
| s = '[1, 2, 3]5' | |
| msg = 'Extra data' | |
| self.assertRaisesRegexp(ValueError, msg, self.loads, s) | |
| def test_invalid_escape(self): | |
| s = '["abc\\y"]' | |
| msg = 'escape' | |
| self.assertRaisesRegexp(ValueError, msg, self.loads, s) | |
| def test_negative_index(self): | |
| d = self.json.JSONDecoder() | |
| self.assertRaises(ValueError, d.raw_decode, 'a'*42, -50000) | |
| self.assertRaises(ValueError, d.raw_decode, u'a'*42, -50000) | |
| class TestPyDecode(TestDecode, PyTest): pass | |
| class TestCDecode(TestDecode, CTest): pass |