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author | Ezio Melotti <ezio.melotti@gmail.com> | 2013-08-08 12:03:45 (GMT) |
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committer | Ezio Melotti <ezio.melotti@gmail.com> | 2013-08-08 12:03:45 (GMT) |
commit | 66f2ea042acf792bf6ff432f409628e1cec99e43 (patch) | |
tree | 9d7e5a24d3f26eeeb63a0f00fa4758b5dde8d099 /Lib/test/test_json/test_decode.py | |
parent | 0d2d2b83935a516235f4dbce25aefad789d088cf (diff) | |
download | cpython-66f2ea042acf792bf6ff432f409628e1cec99e43.zip cpython-66f2ea042acf792bf6ff432f409628e1cec99e43.tar.gz cpython-66f2ea042acf792bf6ff432f409628e1cec99e43.tar.bz2 |
#18273: move the tests in Lib/test/json_tests to Lib/test/test_json and make them discoverable by unittest. Patch by Zachary Ware.
Diffstat (limited to 'Lib/test/test_json/test_decode.py')
-rw-r--r-- | Lib/test/test_json/test_decode.py | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Lib/test/test_json/test_decode.py b/Lib/test/test_json/test_decode.py new file mode 100644 index 0000000..d23e285 --- /dev/null +++ b/Lib/test/test_json/test_decode.py @@ -0,0 +1,74 @@ +import decimal +from io import StringIO +from collections import OrderedDict +from test.test_json import PyTest, CTest + + +class TestDecode: + 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_empty_objects(self): + self.assertEqual(self.loads('{}'), {}) + self.assertEqual(self.loads('[]'), []) + self.assertEqual(self.loads('""'), "") + + 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_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 check_keys_reuse(self, source, loads): + rval = loads(source) + (a, b), (c, d) = sorted(rval[0]), sorted(rval[1]) + self.assertIs(a, c) + self.assertIs(b, d) + + def test_keys_reuse(self): + s = '[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]' + self.check_keys_reuse(s, self.loads) + self.check_keys_reuse(s, self.json.decoder.JSONDecoder().decode) + + def test_extra_data(self): + s = '[1, 2, 3]5' + msg = 'Extra data' + self.assertRaisesRegex(ValueError, msg, self.loads, s) + + def test_invalid_escape(self): + s = '["abc\\y"]' + msg = 'escape' + self.assertRaisesRegex(ValueError, msg, self.loads, s) + +class TestPyDecode(TestDecode, PyTest): pass +class TestCDecode(TestDecode, CTest): pass |