Coverage for /pythoncovmergedfiles/medio/medio/src/et-xmlfile-fuzzers/fuzz_write.py: 36%

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 

30from io import BytesIO 

31 

32try: 

33 import lxml 

34except ImportError: 

35 raise ImportError("lxml is required to run the tests.") 

36 

37from et_xmlfile import xmlfile 

38 

39def recursive_write(xf, fdp, level): 

40 if level == 1: 

41 xf.write(fdp.ConsumeUnicodeNoSurrogates(50)) 

42 else: 

43 with xf.element(fdp.ConsumeUnicodeNoSurrogates(50)): 

44 recursive_write(xf, fdp, level-1) 

45 

46 

47def TestOneInput(data): 

48 fdp = atheris.FuzzedDataProvider(data) 

49 f2 = BytesIO() 

50 # Call write on et_xmlfile 10 times. 

51 with xmlfile(f2) as xf: 

52 recursive_write(xf, fdp, 10) 

53 

54 

55def main(): 

56 atheris.instrument_all() 

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

58 atheris.Fuzz() 

59 

60 

61if __name__ == "__main__": 

62 main()