Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_api.py: 37%

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 sys 

28import atheris 

29 

30with atheris.instrument_imports(enable_loader_override=False): 

31 import google.api.quota_pb2 

32 import google.api.billing_pb2 

33 import google.api.routing_pb2 

34 import google.api.log_pb2 

35 from google.protobuf.message import DecodeError, EncodeError 

36 

37 

38@atheris.instrument_func 

39def protobuf_roundtrip(proto_target, input_bytes): 

40 try: 

41 proto_target.ParseFromString(input_bytes) 

42 except DecodeError: 

43 None 

44 

45 try: 

46 proto_target.SerializeToString() 

47 except EncodeError: 

48 None 

49 

50 

51@atheris.instrument_func 

52def TestOneInput(input_bytes): 

53 """Test ParseFromString with bytes string""" 

54 

55 protobuf_roundtrip(google.api.quota_pb2.QuotaLimit(), input_bytes) 

56 protobuf_roundtrip(google.api.billing_pb2.Billing(), input_bytes) 

57 protobuf_roundtrip(google.api.routing_pb2.RoutingRule(), input_bytes) 

58 protobuf_roundtrip(google.api.log_pb2.LogDescriptor(), input_bytes) 

59 

60 

61def main(): 

62 atheris.instrument_all() 

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

64 atheris.Fuzz() 

65 

66 

67if __name__ == "__main__": 

68 main()