Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_read.py: 47%

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 2023 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 io 

28import atheris 

29import nbformat 

30 

31 

32def TestOneInput(data): 

33 fdp = atheris.FuzzedDataProvider(data) 

34 notebook_in_mem = io.StringIO(fdp.ConsumeUnicodeNoSurrogates(32768)) 

35 for version in range(1, 5): 

36 try: 

37 nbformat.read(notebook_in_mem, as_version=version) 

38 except nbformat.reader.NotJSONError: 

39 pass 

40 except nbformat.NBFormatError: 

41 pass 

42 except nbformat.validator.ValidationError: 

43 pass 

44 except AttributeError: 

45 pass 

46 

47 

48def main(): 

49 atheris.instrument_all() 

50 atheris.Setup(sys.argv, TestOneInput) 

51 atheris.Fuzz() 

52 

53 

54if __name__ == "__main__": 

55 main()