Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_argparse.py: 71%

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 enum 

29import atheris 

30 

31from absl import flags 

32from absl.flags import _exceptions 

33from absl.flags import argparse_flags 

34 

35class FuzzEnum(enum.Enum): 

36 VAL1 = object() 

37 VAL2 = object() 

38 

39 

40def TestOneInput(data): 

41 """Hits the logic in https://github.com/abseil/abseil-py/tree/main/absl/flags""" 

42 fdp = atheris.FuzzedDataProvider(data) 

43 

44 def rs(size): 

45 return fdp.ConsumeUnicodeNoSurrogates(size) 

46 

47 fuzz_flag_values = flags.FlagValues() 

48 try: 

49 flags.DEFINE_string(rs(256), None, rs(256), flag_values = fuzz_flag_values) 

50 except _exceptions.Error: 

51 pass 

52 

53 try: 

54 flags.DEFINE_float(rs(256), 0.0, rs(256), flag_values = fuzz_flag_values) 

55 except _exceptions.Error: 

56 pass 

57 

58 try: 

59 flags.DEFINE_enum_class(rs(256), None, FuzzEnum, rs(256), flag_values = fuzz_flag_values) 

60 except _exceptions.Error: 

61 pass 

62 

63 try: 

64 flags.DEFINE_integer(rs(256), rs(256), rs(256), flag_values = fuzz_flag_values) 

65 except _exceptions.Error: 

66 pass 

67 

68 command_line_args = [] 

69 for idx in range(fdp.ConsumeIntInRange(1, 20)): 

70 command_line_args.append(rs(256)) 

71 

72 # Parse it all 

73 try: 

74 fuzz_flag_values(command_line_args) 

75 except _exceptions.Error: 

76 pass 

77 

78 

79def main(): 

80 atheris.instrument_all() 

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

82 atheris.Fuzz() 

83 

84 

85if __name__ == "__main__": 

86 main()