Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_reader.py: 39%

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 

14# Copyright 2020 Google LLC 

15# 

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

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

18# You may obtain a copy of the License at 

19# 

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

21# 

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

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

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

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

26# limitations under the License. 

27import sys 

28import atheris 

29with atheris.instrument_imports(): 

30 import yaml 

31 

32@atheris.instrument_func 

33def TestOneInput(data): 

34 if len(data) < 1: 

35 return 

36 try: 

37 stream = yaml.reader.Reader(data) 

38 while stream.peek() != u'\0': 

39 stream.forward() 

40 except yaml.reader.ReaderError: 

41 None 

42 except RecursionError: 

43 pass 

44 

45 return 

46 

47def main(): 

48 atheris.Setup(sys.argv, TestOneInput) 

49 atheris.Fuzz() 

50 

51if __name__ == "__main__": 

52 main()