| 1 | n/a | import decimal |
|---|
| 2 | n/a | from unittest import TestCase |
|---|
| 3 | n/a | from io import StringIO |
|---|
| 4 | n/a | from contextlib import contextmanager |
|---|
| 5 | n/a | |
|---|
| 6 | n/a | import json |
|---|
| 7 | n/a | import json.decoder |
|---|
| 8 | n/a | import json.scanner |
|---|
| 9 | n/a | from collections import OrderedDict |
|---|
| 10 | n/a | |
|---|
| 11 | n/a | |
|---|
| 12 | n/a | @contextmanager |
|---|
| 13 | n/a | def use_python_scanner(): |
|---|
| 14 | n/a | py_scanner = json.scanner.py_make_scanner |
|---|
| 15 | n/a | old_scanner = json.decoder.make_scanner |
|---|
| 16 | n/a | json.decoder.make_scanner = py_scanner |
|---|
| 17 | n/a | try: |
|---|
| 18 | n/a | yield |
|---|
| 19 | n/a | finally: |
|---|
| 20 | n/a | json.decoder.make_scanner = old_scanner |
|---|
| 21 | n/a | |
|---|
| 22 | n/a | |
|---|
| 23 | n/a | class TestDecode(TestCase): |
|---|
| 24 | n/a | def test_decimal(self): |
|---|
| 25 | n/a | rval = json.loads('1.1', parse_float=decimal.Decimal) |
|---|
| 26 | n/a | self.assertTrue(isinstance(rval, decimal.Decimal)) |
|---|
| 27 | n/a | self.assertEqual(rval, decimal.Decimal('1.1')) |
|---|
| 28 | n/a | |
|---|
| 29 | n/a | def test_float(self): |
|---|
| 30 | n/a | rval = json.loads('1', parse_int=float) |
|---|
| 31 | n/a | self.assertTrue(isinstance(rval, float)) |
|---|
| 32 | n/a | self.assertEqual(rval, 1.0) |
|---|
| 33 | n/a | |
|---|
| 34 | n/a | def test_object_pairs_hook(self): |
|---|
| 35 | n/a | s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}' |
|---|
| 36 | n/a | p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4), |
|---|
| 37 | n/a | ("qrt", 5), ("pad", 6), ("hoy", 7)] |
|---|
| 38 | n/a | self.assertEqual(json.loads(s), eval(s)) |
|---|
| 39 | n/a | self.assertEqual(json.loads(s, object_pairs_hook = lambda x: x), p) |
|---|
| 40 | n/a | self.assertEqual(json.load(StringIO(s), |
|---|
| 41 | n/a | object_pairs_hook=lambda x: x), p) |
|---|
| 42 | n/a | od = json.loads(s, object_pairs_hook = OrderedDict) |
|---|
| 43 | n/a | self.assertEqual(od, OrderedDict(p)) |
|---|
| 44 | n/a | self.assertEqual(type(od), OrderedDict) |
|---|
| 45 | n/a | # the object_pairs_hook takes priority over the object_hook |
|---|
| 46 | n/a | self.assertEqual(json.loads(s, |
|---|
| 47 | n/a | object_pairs_hook = OrderedDict, |
|---|
| 48 | n/a | object_hook = lambda x: None), |
|---|
| 49 | n/a | OrderedDict(p)) |
|---|
| 50 | n/a | |
|---|
| 51 | n/a | def test_decoder_optimizations(self): |
|---|
| 52 | n/a | # Several optimizations were made that skip over calls to |
|---|
| 53 | n/a | # the whitespace regex, so this test is designed to try and |
|---|
| 54 | n/a | # exercise the uncommon cases. The array cases are already covered. |
|---|
| 55 | n/a | rval = json.loads('{ "key" : "value" , "k":"v" }') |
|---|
| 56 | n/a | self.assertEqual(rval, {"key":"value", "k":"v"}) |
|---|
| 57 | n/a | |
|---|
| 58 | n/a | def check_keys_reuse(self, source, loads): |
|---|
| 59 | n/a | rval = loads(source) |
|---|
| 60 | n/a | (a, b), (c, d) = sorted(rval[0]), sorted(rval[1]) |
|---|
| 61 | n/a | self.assertIs(a, c) |
|---|
| 62 | n/a | self.assertIs(b, d) |
|---|
| 63 | n/a | |
|---|
| 64 | n/a | def test_keys_reuse(self): |
|---|
| 65 | n/a | s = '[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]' |
|---|
| 66 | n/a | self.check_keys_reuse(s, json.loads) |
|---|
| 67 | n/a | # Disabled: the pure Python version of json simply doesn't work |
|---|
| 68 | n/a | with use_python_scanner(): |
|---|
| 69 | n/a | self.check_keys_reuse(s, json.decoder.JSONDecoder().decode) |
|---|
