Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_loader.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 2021 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. 

27 

28import sys 

29 

30import atheris 

31 

32with atheris.instrument_imports(): 

33 import yaml 

34 

35 

36@atheris.instrument_func 

37def TestOneInput(input_bytes): 

38 try: 

39 context = yaml.load(input_bytes, Loader=yaml.FullLoader) 

40 except yaml.YAMLError: 

41 return 

42 except RecursionError: 

43 return 

44 # Anything that is loadable should be emitable. 

45 try: 

46 listed_context = list(context) 

47 except: 

48 return 

49 

50 try: 

51 yaml.emit(listed_context) 

52 except yaml.emitter.EmitterError: 

53 return 

54 except RecursionError: 

55 return 

56 

57def main(): 

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

59 atheris.Fuzz() 

60 

61 

62if __name__ == "__main__": 

63 main()