Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_reader.py: 48%

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# Copyright 2022 Google LLC 

13# 

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

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

16# You may obtain a copy of the License at 

17# 

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

19# 

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

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

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

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

24# limitations under the License. 

25# 

26################################################################################ 

27 

28import sys 

29import atheris 

30 

31import olefile 

32 

33def TestOneInput(data): 

34 fuzz_olefile = "tmp_f.doc" 

35 with open(fuzz_olefile, "wb") as f: 

36 f.write(data) 

37 

38 if olefile.isOleFile(fuzz_olefile): 

39 try: 

40 with olefile.OleFileIO(fuzz_olefile) as ole: 

41 pass 

42 except (olefile.olefile.OleFileError, IOError) as e: 

43 pass 

44 try: 

45 # Ensure the file gets closed, however the file should usually be closed 

46 # by olefile itself, so ignore FileNotFoundError if raised. 

47 os.remove(fuzz_olefile) 

48 except FileNotFoundError: 

49 pass 

50 

51 

52def main(): 

53 atheris.instrument_all() 

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

55 atheris.Fuzz() 

56 

57 

58if __name__ == "__main__": 

59 main()