| import sys |
| from unittest import TestCase |
|
|
| import hjson as json |
| import hjson.decoder |
| from hjson.compat import b, PY3 |
|
|
| class TestScanString(TestCase): |
| |
| |
| |
| |
| |
| |
| |
| |
| def test_py_scanstring(self): |
| self._test_scanstring(hjson.decoder.scanstring) |
|
|
| def _test_scanstring(self, scanstring): |
| if sys.maxunicode == 65535: |
| self.assertEqual( |
| scanstring(u'"z\U0001d120x"', 1, None, True), |
| (u'z\U0001d120x', 6)) |
| else: |
| self.assertEqual( |
| scanstring(u'"z\U0001d120x"', 1, None, True), |
| (u'z\U0001d120x', 5)) |
|
|
| self.assertEqual( |
| scanstring('"\\u007b"', 1, None, True), |
| (u'{', 8)) |
|
|
| self.assertEqual( |
| scanstring('"A JSON payload should be an object or array, not a string."', 1, None, True), |
| (u'A JSON payload should be an object or array, not a string.', 60)) |
|
|
| self.assertEqual( |
| scanstring('["Unclosed array"', 2, None, True), |
| (u'Unclosed array', 17)) |
|
|
| self.assertEqual( |
| scanstring('["extra comma",]', 2, None, True), |
| (u'extra comma', 14)) |
|
|
| self.assertEqual( |
| scanstring('["double extra comma",,]', 2, None, True), |
| (u'double extra comma', 21)) |
|
|
| self.assertEqual( |
| scanstring('["Comma after the close"],', 2, None, True), |
| (u'Comma after the close', 24)) |
|
|
| self.assertEqual( |
| scanstring('["Extra close"]]', 2, None, True), |
| (u'Extra close', 14)) |
|
|
| self.assertEqual( |
| scanstring('{"Extra comma": true,}', 2, None, True), |
| (u'Extra comma', 14)) |
|
|
| self.assertEqual( |
| scanstring('{"Extra value after close": true} "misplaced quoted value"', 2, None, True), |
| (u'Extra value after close', 26)) |
|
|
| self.assertEqual( |
| scanstring('{"Illegal expression": 1 + 2}', 2, None, True), |
| (u'Illegal expression', 21)) |
|
|
| self.assertEqual( |
| scanstring('{"Illegal invocation": alert()}', 2, None, True), |
| (u'Illegal invocation', 21)) |
|
|
| self.assertEqual( |
| scanstring('{"Numbers cannot have leading zeroes": 013}', 2, None, True), |
| (u'Numbers cannot have leading zeroes', 37)) |
|
|
| self.assertEqual( |
| scanstring('{"Numbers cannot be hex": 0x14}', 2, None, True), |
| (u'Numbers cannot be hex', 24)) |
|
|
| self.assertEqual( |
| scanstring('[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', 21, None, True), |
| (u'Too deep', 30)) |
|
|
| self.assertEqual( |
| scanstring('{"Missing colon" null}', 2, None, True), |
| (u'Missing colon', 16)) |
|
|
| self.assertEqual( |
| scanstring('{"Double colon":: null}', 2, None, True), |
| (u'Double colon', 15)) |
|
|
| self.assertEqual( |
| scanstring('{"Comma instead of colon", null}', 2, None, True), |
| (u'Comma instead of colon', 25)) |
|
|
| self.assertEqual( |
| scanstring('["Colon instead of comma": false]', 2, None, True), |
| (u'Colon instead of comma', 25)) |
|
|
| self.assertEqual( |
| scanstring('["Bad value", truth]', 2, None, True), |
| (u'Bad value', 12)) |
|
|
| for c in map(chr, range(0x00, 0x1f)): |
| self.assertEqual( |
| scanstring(c + '"', 0, None, False), |
| (c, 2)) |
| self.assertRaises( |
| ValueError, |
| scanstring, c + '"', 0, None, True) |
|
|
| def test_issue3623(self): |
| self.assertRaises(ValueError, json.decoder.scanstring, "xxx", 1, |
| "xxx") |
| self.assertRaises(UnicodeDecodeError, |
| json.encoder.encode_basestring_ascii, b("xx\xff")) |
|
|
| def test_surrogates(self): |
| scanstring = json.decoder.scanstring |
|
|
| def assertScan(given, expect, test_utf8=True): |
| givens = [given] |
| if not PY3 and test_utf8: |
| givens.append(given.encode('utf8')) |
| for given in givens: |
| (res, count) = scanstring(given, 1, None, True) |
| self.assertEqual(len(given), count) |
| self.assertEqual(res, expect) |
|
|
| assertScan( |
| u'"z\\ud834\\u0079x"', |
| u'z\ud834yx') |
| assertScan( |
| u'"z\\ud834\\udd20x"', |
| u'z\U0001d120x') |
| assertScan( |
| u'"z\\ud834\\ud834\\udd20x"', |
| u'z\ud834\U0001d120x') |
| assertScan( |
| u'"z\\ud834x"', |
| u'z\ud834x') |
| assertScan( |
| u'"z\\udd20x"', |
| u'z\udd20x') |
| assertScan( |
| u'"z\ud834x"', |
| u'z\ud834x') |
| |
| |
| assertScan( |
| u'"z\\ud834\udd20x12345"', |
| u''.join([u'z\ud834', u'\udd20x12345'])) |
| assertScan( |
| u'"z\ud834\\udd20x"', |
| u''.join([u'z\ud834', u'\udd20x'])) |
| |
| |
| assertScan( |
| u''.join([u'"z\ud834', u'\udd20x"']), |
| u''.join([u'z\ud834', u'\udd20x']), |
| test_utf8=False) |
|
|
| self.assertRaises(ValueError, |
| scanstring, u'"z\\ud83x"', 1, None, True) |
| self.assertRaises(ValueError, |
| scanstring, u'"z\\ud834\\udd2x"', 1, None, True) |
|
|
