1 import decimal 2 from StringIO import StringIO 3 from collections import OrderedDict 4 from json.tests import PyTest, CTest 5 6 7 class TestDecode(object): 8 def test_decimal(self): 9 rval = self.loads('1.1', parse_float=decimal.Decimal) 10 self.assertTrue(isinstance(rval, decimal.Decimal)) 11 self.assertEqual(rval, decimal.Decimal('1.1')) 12 13 def test_float(self): 14 rval = self.loads('1', parse_int=float) 15 self.assertTrue(isinstance(rval, float)) 16 self.assertEqual(rval, 1.0) 17 18 def test_decoder_optimizations(self): 19 # Several optimizations were made that skip over calls to 20 # the whitespace regex, so this test is designed to try and 21 # exercise the uncommon cases. The array cases are already covered. 22 rval = self.loads('{ "key" : "value" , "k":"v" }') 23 self.assertEqual(rval, {"key":"value", "k":"v"}) 24 25 def test_empty_objects(self): 26 self.assertEqual(self.loads('{}'), {}) 27 self.assertEqual(self.loads('[]'), []) 28 self.assertEqual(self.loads('""'), u"") 29 self.assertIsInstance(self.loads('""'), unicode) 30 31 def test_object_pairs_hook(self): 32 s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}' 33 p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4), 34 ("qrt", 5), ("pad", 6), ("hoy", 7)] 35 self.assertEqual(self.loads(s), eval(s)) 36 self.assertEqual(self.loads(s, object_pairs_hook=lambda x: x), p) 37 self.assertEqual(self.json.load(StringIO(s), 38 object_pairs_hook=lambda x: x), p) 39 od = self.loads(s, object_pairs_hook=OrderedDict) 40 self.assertEqual(od, OrderedDict(p)) 41 self.assertEqual(type(od), OrderedDict) 42 # the object_pairs_hook takes priority over the object_hook 43 self.assertEqual(self.loads(s, object_pairs_hook=OrderedDict, 44 object_hook=lambda x: None), 45 OrderedDict(p)) 46 # check that empty objects literals work (see #17368) 47 self.assertEqual(self.loads('{}', object_pairs_hook=OrderedDict), 48 OrderedDict()) 49 self.assertEqual(self.loads('{"empty": {}}', 50 object_pairs_hook=OrderedDict), 51 OrderedDict([('empty', OrderedDict())])) 52 53 def test_extra_data(self): 54 s = '[1, 2, 3]5' 55 msg = 'Extra data' 56 self.assertRaisesRegexp(ValueError, msg, self.loads, s) 57 58 def test_invalid_escape(self): 59 s = '["abc\\y"]' 60 msg = 'escape' 61 self.assertRaisesRegexp(ValueError, msg, self.loads, s) 62 63 class TestPyDecode(TestDecode, PyTest): pass 64 class TestCDecode(TestDecode, CTest): pass 65
