Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_fromregex_loader.py: 2%

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52 statements  

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. 

26 

27import atheris 

28import os 

29import re 

30import sys 

31import tempfile 

32from tokenize import TokenError 

33from zipfile import BadZipFile 

34 

35with atheris.instrument_imports(): 

36 import numpy as np 

37 

38def TestOneInput(input_bytes): 

39 fdp = atheris.FuzzedDataProvider(input_bytes) 

40 input_str = fdp.ConsumeString(20) 

41 try: 

42 dtype = np.dtype(input_str) 

43 except (ValueError, TypeError, SyntaxError): 

44 return 

45 

46 input_str = fdp.ConsumeString(20) 

47 try: 

48 reg = re.compile(input_str) 

49 except (ValueError, TypeError, re.error,OverflowError): 

50 return 

51 

52 with tempfile.NamedTemporaryFile(suffix=".txt", delete=False) as fd: 

53 fd.write(fdp.ConsumeBytes(5000)) 

54 tmpname = fd.name 

55 

56 try: 

57 a = np.fromregex(tmpname, reg, dtype) 

58 if a.shape != (0,): 

59 print(a.shape) 

60 except OSError: 

61 return 

62 except TypeError: 

63 return 

64 except ValueError: 

65 return 

66 except EOFError: 

67 return 

68 finally: 

69 os.remove(tmpname) 

70 

71def main(): 

72 atheris.instrument_all() 

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

74 atheris.Fuzz() 

75 

76if __name__ == "__main__": 

77 main()