Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_past.py: 46%

1###### Coverage stub 

2import atexit 

3import coverage 

4cov = coverage.coverage(data_file='.coverage', cover_pylib=True) 

5cov.start() 

6# Register an exist handler that will print coverage 

7def exit_handler(): 

8 cov.stop() 

9 cov.save() 

10atexit.register(exit_handler) 

11####### End of coverage stub 

12#!/usr/bin/python3 

13 

14# Copyright 2023 Google LLC 

15# 

16# Licensed under the Apache License, Version 2.0 (the "License"); 

17# you may not use this file except in compliance with the License. 

18# You may obtain a copy of the License at 

19# 

20# http://www.apache.org/licenses/LICENSE-2.0 

21# 

22# Unless required by applicable law or agreed to in writing, software 

23# distributed under the License is distributed on an "AS IS" BASIS, 

24# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

25# See the License for the specific language governing permissions and 

26# limitations under the License. 

27# 

28########################################################################## 

29import sys 

30import json 

31import atheris 

32 

33from past.builtins import dict as past_dict 

34from past.builtins import str as past_str 

35from past.types.oldstr import unescape as past_unescape 

36 

37 

38def fuzz_dict(data): 

39 fdp = atheris.FuzzedDataProvider(data) 

40 

41 try: 

42 json_dict = json.loads( 

43 fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(1, 1024))) 

44 except: 

45 return 

46 

47 if not isinstance(json_dict, dict): 

48 return 

49 pdict = past_dict(json_dict) 

50 

51 for val in json_dict: 

52 assert pdfict.has_key(val) 

53 

54 

55def fuzz_str(data): 

56 fdp = atheris.FuzzedDataProvider(data) 

57 pstr = past_str(fdp.ConsumeBytes(fdp.ConsumeIntInRange(1, 1024))) 

58 past_unescape(fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(1, 1024))) 

59 

60 

61def TestOneInput(data): 

62 fuzz_dict(data) 

63 fuzz_str(data) 

64 

65 

66def main(): 

67 atheris.instrument_all() 

68 atheris.Setup(sys.argv, TestOneInput) 

69 atheris.Fuzz() 

70 

71 

72if __name__ == "__main__": 

73 main()