Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_serialization.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 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 

29 

30with atheris.instrument_imports(): 

31 from jupyter_client.session import Session 

32 from jupyter_server.base.zmqhandlers import ( 

33 deserialize_binary_message, 

34 serialize_binary_message, 

35 ) 

36 

37 

38def TestOneInput(data): 

39 fdp = atheris.FuzzedDataProvider(data) 

40 s1 = fdp.ConsumeString(50) 

41 s2 = fdp.ConsumeString(50) 

42 if len(s1) == 0 or len(s2) == 0: 

43 return 

44 s = Session() 

45 msg = s.msg("data_pub", content={s1: s2}) 

46 msg["buffers"] = [ 

47 memoryview(fdp.ConsumeBytes(5)), 

48 memoryview(fdp.ConsumeBytes(5)), 

49 memoryview(fdp.ConsumeBytes(5)) 

50 ] 

51 bmsg = serialize_binary_message(msg) 

52 msg2 = deserialize_binary_message(bmsg) 

53 assert msg2 == msg 

54 

55 

56def main(): 

57 atheris.instrument_all() 

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

59 atheris.Fuzz() 

60 

61if __name__ == "__main__": 

62 main()