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test_fail.py
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import sys from unittest import TestCase import simplejson as json # 2007-10-05 JSONDOCS = [ # http://json.org/JSON_checker/test/fail1.json '"A JSON payload should be an object or array, not a string."', # http://json.org/JSON_checker/test/fail2.json '["Unclosed array"', # http://json.org/JSON_checker/test/fail3.json '{unquoted_key: "keys must be quoted"}', # http://json.org/JSON_checker/test/fail4.json '["extra comma",]', # http://json.org/JSON_checker/test/fail5.json '["double extra comma",,]', # http://json.org/JSON_checker/test/fail6.json '[ , "<-- missing value"]', # http://json.org/JSON_checker/test/fail7.json '["Comma after the close"],', # http://json.org/JSON_checker/test/fail8.json '["Extra close"]]', # http://json.org/JSON_checker/test/fail9.json '{"Extra comma": true,}', # http://json.org/JSON_checker/test/fail10.json '{"Extra value after close": true} "misplaced quoted value"', # http://json.org/JSON_checker/test/fail11.json '{"Illegal expression": 1 + 2}', # http://json.org/JSON_checker/test/fail12.json '{"Illegal invocation": alert()}', # http://json.org/JSON_checker/test/fail13.json '{"Numbers cannot have leading zeroes": 013}', # http://json.org/JSON_checker/test/fail14.json '{"Numbers cannot be hex": 0x14}', # http://json.org/JSON_checker/test/fail15.json '["Illegal backslash escape: \\x15"]', # http://json.org/JSON_checker/test/fail16.json '[\\naked]', # http://json.org/JSON_checker/test/fail17.json '["Illegal backslash escape: \\017"]', # http://json.org/JSON_checker/test/fail18.json '[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', # http://json.org/JSON_checker/test/fail19.json '{"Missing colon" null}', # http://json.org/JSON_checker/test/fail20.json '{"Double colon":: null}', # http://json.org/JSON_checker/test/fail21.json '{"Comma instead of colon", null}', # http://json.org/JSON_checker/test/fail22.json '["Colon instead of comma": false]', # http://json.org/JSON_checker/test/fail23.json '["Bad value", truth]', # http://json.org/JSON_checker/test/fail24.json "['single quote']", # http://json.org/JSON_checker/test/fail25.json '["\ttab\tcharacter\tin\tstring\t"]', # http://json.org/JSON_checker/test/fail26.json '["tab\\ character\\ in\\ string\\ "]', # http://json.org/JSON_checker/test/fail27.json '["line\nbreak"]', # http://json.org/JSON_checker/test/fail28.json '["line\\\nbreak"]', # http://json.org/JSON_checker/test/fail29.json '[0e]', # http://json.org/JSON_checker/test/fail30.json '[0e+]', # http://json.org/JSON_checker/test/fail31.json '[0e+-1]', # http://json.org/JSON_checker/test/fail32.json '{"Comma instead if closing brace": true,', # http://json.org/JSON_checker/test/fail33.json '["mismatch"}', # http://code.google.com/p/simplejson/issues/detail?id=3 u'["A\u001FZ control characters in string"]', # misc based on coverage '{', '{]', '{"foo": "bar"]', '{"foo": "bar"', 'nul', 'nulx', '-', '-x', '-e', '-e0', '-Infinite', '-Inf', 'Infinit', 'Infinite', 'NaM', 'NuN', 'falsy', 'fal', 'trug', 'tru', '1e', '1ex', '1e-', '1e-x', ] SKIPS = { 1: "why not have a string payload?", 18: "spec doesn't specify any nesting limitations", } class TestFail(TestCase): def test_failures(self): for idx, doc in enumerate(JSONDOCS): idx = idx + 1 if idx in SKIPS: json.loads(doc) continue try: json.loads(doc) except json.JSONDecodeError: pass else: self.fail("Expected failure for fail%d.json: %r" % (idx, doc)) def test_array_decoder_issue46(self): # http://code.google.com/p/simplejson/issues/detail?id=46 for doc in [u'[,]', '[,]']: try: json.loads(doc) except json.JSONDecodeError: e = sys.exc_info()[1] self.assertEqual(e.pos, 1) self.assertEqual(e.lineno, 1) self.assertEqual(e.colno, 2) except Exception: e = sys.exc_info()[1] self.fail("Unexpected exception raised %r %s" % (e, e)) else: self.fail("Unexpected success parsing '[,]'") def test_truncated_input(self): test_cases = [ ('', 'Expecting value', 0), ('[', "Expecting value or ']'", 1), ('[42', "Expecting ',' delimiter", 3), ('[42,', 'Expecting value', 4), ('["', 'Unterminated string starting at', 1), ('["spam', 'Unterminated string starting at', 1), ('["spam"', "Expecting ',' delimiter", 7), ('["spam",', 'Expecting value', 8), ('{', 'Expecting property name enclosed in double quotes', 1), ('{"', 'Unterminated string starting at', 1), ('{"spam', 'Unterminated string starting at', 1), ('{"spam"', "Expecting ':' delimiter", 7), ('{"spam":', 'Expecting value', 8), ('{"spam":42', "Expecting ',' delimiter", 10), ('{"spam":42,', 'Expecting property name enclosed in double quotes', 11), ('"', 'Unterminated string starting at', 0), ('"spam', 'Unterminated string starting at', 0), ('[,', "Expecting value", 1), ] for data, msg, idx in test_cases: try: json.loads(data) except json.JSONDecodeError: e = sys.exc_info()[1] self.assertEqual( e.msg[:len(msg)], msg, "%r doesn't start with %r for %r" % (e.msg, msg, data)) self.assertEqual( e.pos, idx, "pos %r != %r for %r" % (e.pos, idx, data)) except Exception: e = sys.exc_info()[1] self.fail("Unexpected exception raised %r %s" % (e, e)) else: self.fail("Unexpected success parsing '%r'" % (data,))