Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_regex.py: 63%

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# Copyright 2022 Google LLC 

14# 

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

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

17# You may obtain a copy of the License at 

18# 

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

20# 

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

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

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

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

25# limitations under the License. 

26import sys 

27import atheris 

28import regex 

29 

30 

31def TestOneInput(data): 

32 fdp = atheris.FuzzedDataProvider(data) 

33 

34 # Random compilation 

35 try: 

36 x = regex.compile(fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024))) 

37 except regex._regex_core.error: 

38 pass 

39 except ValueError: 

40 # Compile throws several ValueErrors 

41 pass 

42 except RecursionError: 

43 # uninteresting 

44 pass 

45 

46 # Target regex.sub 

47 try: 

48 s1 = fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)) 

49 s2 = fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)) 

50 s3 = fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(0, 1024)) 

51 regex.sub(s1, s2, s3) 

52 except regex._regex_core.error: 

53 pass 

54 except ValueError: 

55 # Compile throws several ValueErrors 

56 pass 

57 except RecursionError: 

58 # uninteresting 

59 pass 

60 

61def main(): 

62 atheris.instrument_all() 

63 atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) 

64 atheris.Fuzz() 

65 

66 

67if __name__ == "__main__": 

68 main()