Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_digest.py: 45%

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 os 

28import sys 

29import atheris 

30 

31import io 

32import digest 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 alg = fdp.ConsumeUnicodeNoSurrogates(15) 

37 b1 = fdp.ConsumeBytes(sys.maxsize) 

38 try: 

39 s1 = digest.digest(io.BytesIO(b1), alg, len(b1)) 

40 except SystemExit: 

41 pass 

42 except TypeError as e: 

43 if "name must be a string" in str(e): 

44 # non-interesting bug. Let the fuzzer continue 

45 pass 

46 else: 

47 raise e 

48 

49def main(): 

50 atheris.instrument_all() 

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

52 atheris.Fuzz() 

53 

54 

55if __name__ == "__main__": 

56 main()