Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_json_serialization.py: 56%

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. 

26import sys 

27import atheris 

28 

29import proto 

30from google.protobuf.json_format import ParseError 

31 

32def TestOneInput(data): 

33 fdp = atheris.FuzzedDataProvider(data) 

34 

35 class FuzzMsg(proto.Message): 

36 val1 = proto.Field(proto.FLOAT, number=1) 

37 val2 = proto.Field(proto.INT32, number=2) 

38 val3 = proto.Field(proto.BOOL, number=3) 

39 val4 = proto.Field(proto.STRING, number=4) 

40 

41 try: 

42 s = FuzzMsg.from_json(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize)) 

43 FuzzMsg.to_json(s) 

44 except ParseError: 

45 pass 

46 except TypeError: 

47 pass 

48 except RecursionError: 

49 pass 

50 

51 

52def main(): 

53 atheris.instrument_all() 

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

55 atheris.Fuzz() 

56 

57 

58if __name__ == "__main__": 

59 main() 

60