Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_open_workbook.py: 38%

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 sys 

29 

30with atheris.instrument_imports(): 

31 import xlrd 

32 import zipfile 

33 

34 

35def TestOneInput(data): 

36 temp_file = "myfile.xls" 

37 with open(temp_file, "wb") as fd: 

38 fd.write(data) 

39 

40 try: 

41 xlrd.open_workbook("myfile.xls") 

42 except ( 

43 xlrd.XLRDError, 

44 xlrd.compdoc.CompDocError, 

45 zipfile.BadZipFile, 

46 OSError 

47 ) as e: 

48 pass 

49 

50 

51def main(): 

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

53 atheris.Fuzz() 

54 

55 

56if __name__ == "__main__": 

57 main()