Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_parser.py: 56%

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. 

26import sys 

27import atheris 

28 

29import click 

30from click.parser import OptionParser 

31from click import exceptions 

32 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 

37 # Create a parser we can fuzz. 

38 # This can be extended further by creating logic that will create arbitrary 

39 # parser. 

40 ctx = click.Context(click.Command("fuzz")) 

41 parser = OptionParser(ctx) 

42 click.Option("+z", is_flag=True).add_to_parser(parser, ctx) 

43 click.Option("-b", is_flag=False).add_to_parser(parser, ctx) 

44 click.Option("+c", multiple=fdp.ConsumeBool()).add_to_parser(parser, ctx) 

45 click.Option("-d", default="abc").add_to_parser(parser, ctx) 

46 click.Option("+e", type=int).add_to_parser(parser, ctx) 

47 click.Option("-f", type=click.Choice(["option1", "option2"])).add_to_parser(parser, ctx) 

48 click.Option("!g", type=click.Choice(["option1", "option2"])).add_to_parser(parser, ctx) 

49 click.Option("!h", default="abcd").add_to_parser(parser, ctx) 

50 

51 args = [] 

52 for idx in range(fdp.ConsumeIntInRange(1, 15)): 

53 args.append(fdp.ConsumeUnicodeNoSurrogates(64)) 

54 try: 

55 parser.parse_args(args) 

56 except exceptions.ClickException: 

57 pass 

58 

59 

60def main(): 

61 atheris.instrument_all() 

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

63 atheris.Fuzz() 

64 

65 

66if __name__ == "__main__": 

67 main()