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

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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 import werkzeug.http as whttp 

32 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 try: 

37 whttp.parse_content_range_header(fdp.ConsumeUnicode(100)) 

38 whttp.parse_range_header(fdp.ConsumeUnicode(100)) 

39 whttp.parse_set_header(fdp.ConsumeUnicode(100)) 

40 whttp.parse_etags(fdp.ConsumeUnicode(100)) 

41 whttp.parse_if_range_header(fdp.ConsumeUnicode(100)) 

42 whttp.parse_dict_header(fdp.ConsumeUnicode(100)) 

43 except ValueError as e: 

44 if "Bad range provided" in str(e): 

45 # https://github.com/pallets/werkzeug/blob/main/src/werkzeug/datastructures.py#L2580 

46 # https://github.com/pallets/werkzeug/blob/main/src/werkzeug/datastructures.py#L2596 

47 pass 

48 else: 

49 raise e 

50 

51 

52def main(): 

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

54 atheris.Fuzz() 

55 

56 

57if __name__ == "__main__": 

58 main()