Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_comment.py: 54%

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 

29with atheris.instrument_imports(): 

30 from openpyxl import Workbook 

31 from openpyxl.comments import Comment 

32 

33def TestInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 

36 wb = Workbook() 

37 ws = wb.active 

38 

39 #Set Comment 

40 c1 = ws['A1'].comment 

41 c1 = Comment(fdp.ConsumeUnicodeNoSurrogates(10), 

42 fdp.ConsumeUnicodeNoSurrogates(10)) 

43 c1.width = 300 

44 c1.height = 50 

45 ws['A1'].comment = c1 

46 

47 #Double assign comment 

48 c2 = Comment(fdp.ConsumeUnicodeNoSurrogates(10), 

49 fdp.ConsumeUnicodeNoSurrogates(10)) 

50 ws['B1'].comment = c2 

51 ws['C1'].comment = c2 

52 

53 try: 

54 wb.save('%s.xlsx'%fdp.ConsumeUnicodeNoSurrogates(10)) 

55 except ValueError as e: 

56 if "embedded null byte" not in str(e): 

57 raise e 

58 except FileNotFoundError: 

59 # Expected for corrupted file name 

60 pass 

61 

62def main(): 

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

64 atheris.Fuzz() 

65 

66if __name__ == "__main__": 

67 main()