| 1 | n/a | import decimal |
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| 2 | n/a | from io import StringIO, BytesIO |
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| 3 | n/a | from collections import OrderedDict |
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| 4 | n/a | from test.test_json import PyTest, CTest |
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| 5 | n/a | |
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| 6 | n/a | |
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| 7 | n/a | class TestDecode: |
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| 8 | n/a | def test_decimal(self): |
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| 9 | n/a | rval = self.loads('1.1', parse_float=decimal.Decimal) |
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| 10 | n/a | self.assertTrue(isinstance(rval, decimal.Decimal)) |
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| 11 | n/a | self.assertEqual(rval, decimal.Decimal('1.1')) |
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| 12 | n/a | |
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| 13 | n/a | def test_float(self): |
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| 14 | n/a | rval = self.loads('1', parse_int=float) |
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| 15 | n/a | self.assertTrue(isinstance(rval, float)) |
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| 16 | n/a | self.assertEqual(rval, 1.0) |
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| 17 | n/a | |
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| 18 | n/a | def test_empty_objects(self): |
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| 19 | n/a | self.assertEqual(self.loads('{}'), {}) |
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| 20 | n/a | self.assertEqual(self.loads('[]'), []) |
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| 21 | n/a | self.assertEqual(self.loads('""'), "") |
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| 22 | n/a | |
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| 23 | n/a | def test_object_pairs_hook(self): |
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| 24 | n/a | s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}' |
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| 25 | n/a | p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4), |
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| 26 | n/a | ("qrt", 5), ("pad", 6), ("hoy", 7)] |
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| 27 | n/a | self.assertEqual(self.loads(s), eval(s)) |
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| 28 | n/a | self.assertEqual(self.loads(s, object_pairs_hook=lambda x: x), p) |
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| 29 | n/a | self.assertEqual(self.json.load(StringIO(s), |
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| 30 | n/a | object_pairs_hook=lambda x: x), p) |
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| 31 | n/a | od = self.loads(s, object_pairs_hook=OrderedDict) |
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| 32 | n/a | self.assertEqual(od, OrderedDict(p)) |
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| 33 | n/a | self.assertEqual(type(od), OrderedDict) |
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| 34 | n/a | # the object_pairs_hook takes priority over the object_hook |
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| 35 | n/a | self.assertEqual(self.loads(s, object_pairs_hook=OrderedDict, |
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| 36 | n/a | object_hook=lambda x: None), |
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| 37 | n/a | OrderedDict(p)) |
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| 38 | n/a | # check that empty object literals work (see #17368) |
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| 39 | n/a | self.assertEqual(self.loads('{}', object_pairs_hook=OrderedDict), |
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| 40 | n/a | OrderedDict()) |
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| 41 | n/a | self.assertEqual(self.loads('{"empty": {}}', |
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| 42 | n/a | object_pairs_hook=OrderedDict), |
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| 43 | n/a | OrderedDict([('empty', OrderedDict())])) |
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| 44 | n/a | |
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| 45 | n/a | def test_decoder_optimizations(self): |
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| 46 | n/a | # Several optimizations were made that skip over calls to |
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| 47 | n/a | # the whitespace regex, so this test is designed to try and |
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| 48 | n/a | # exercise the uncommon cases. The array cases are already covered. |
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| 49 | n/a | rval = self.loads('{ "key" : "value" , "k":"v" }') |
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| 50 | n/a | self.assertEqual(rval, {"key":"value", "k":"v"}) |
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| 51 | n/a | |
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| 52 | n/a | def check_keys_reuse(self, source, loads): |
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| 53 | n/a | rval = loads(source) |
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| 54 | n/a | (a, b), (c, d) = sorted(rval[0]), sorted(rval[1]) |
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| 55 | n/a | self.assertIs(a, c) |
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| 56 | n/a | self.assertIs(b, d) |
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| 57 | n/a | |
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| 58 | n/a | def test_keys_reuse(self): |
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| 59 | n/a | s = '[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]' |
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| 60 | n/a | self.check_keys_reuse(s, self.loads) |
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| 61 | n/a | self.check_keys_reuse(s, self.json.decoder.JSONDecoder().decode) |
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| 62 | n/a | |
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| 63 | n/a | def test_extra_data(self): |
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| 64 | n/a | s = '[1, 2, 3]5' |
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| 65 | n/a | msg = 'Extra data' |
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| 66 | n/a | self.assertRaisesRegex(self.JSONDecodeError, msg, self.loads, s) |
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| 67 | n/a | |
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| 68 | n/a | def test_invalid_escape(self): |
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| 69 | n/a | s = '["abc\\y"]' |
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| 70 | n/a | msg = 'escape' |
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| 71 | n/a | self.assertRaisesRegex(self.JSONDecodeError, msg, self.loads, s) |
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| 72 | n/a | |
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| 73 | n/a | def test_invalid_input_type(self): |
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| 74 | n/a | msg = 'the JSON object must be str' |
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| 75 | n/a | for value in [1, 3.14, [], {}, None]: |
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| 76 | n/a | self.assertRaisesRegex(TypeError, msg, self.loads, value) |
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| 77 | n/a | |
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| 78 | n/a | def test_string_with_utf8_bom(self): |
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| 79 | n/a | # see #18958 |
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| 80 | n/a | bom_json = "[1,2,3]".encode('utf-8-sig').decode('utf-8') |
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| 81 | n/a | with self.assertRaises(self.JSONDecodeError) as cm: |
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| 82 | n/a | self.loads(bom_json) |
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| 83 | n/a | self.assertIn('BOM', str(cm.exception)) |
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| 84 | n/a | with self.assertRaises(self.JSONDecodeError) as cm: |
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| 85 | n/a | self.json.load(StringIO(bom_json)) |
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| 86 | n/a | self.assertIn('BOM', str(cm.exception)) |
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| 87 | n/a | # make sure that the BOM is not detected in the middle of a string |
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| 88 | n/a | bom_in_str = '"{}"'.format(''.encode('utf-8-sig').decode('utf-8')) |
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| 89 | n/a | self.assertEqual(self.loads(bom_in_str), '\ufeff') |
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| 90 | n/a | self.assertEqual(self.json.load(StringIO(bom_in_str)), '\ufeff') |
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| 91 | n/a | |
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| 92 | n/a | def test_negative_index(self): |
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| 93 | n/a | d = self.json.JSONDecoder() |
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| 94 | n/a | self.assertRaises(ValueError, d.raw_decode, 'a'*42, -50000) |
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| 95 | n/a | |
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| 96 | n/a | class TestPyDecode(TestDecode, PyTest): pass |
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| 97 | n/a | class TestCDecode(TestDecode, CTest): pass |
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