Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_core.py: 64%

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 

30import glom 

31import json 

32 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 

37 val = {'d': {'e': ['f']}} 

38 try: 

39 glom.core.glom(val, glom.core.Inspect(fdp.ConsumeUnicodeNoSurrogates(64))) 

40 except glom.GlomError: 

41 pass 

42 

43 try: 

44 glom.core.glom( 

45 val, 

46 glom.core.Coalesce(fdp.ConsumeUnicodeNoSurrogates(32), 

47 fdp.ConsumeUnicodeNoSurrogates(32), 

48 fdp.ConsumeUnicodeNoSurrogates(32))) 

49 except glom.GlomError: 

50 pass 

51 # Create a random dictionary. In this case if any 

52 # error happens during random dict creation we just 

53 # exit. 

54 try: 

55 json_dict = json.loads(fdp.ConsumeString(fdp.ConsumeIntInRange(0, 512))) 

56 except Exception: 

57 return 

58 if not isinstance(json_dict, dict): 

59 return 

60 

61 # Use random dict as input to glom 

62 try: 

63 glom.core.glom(json_dict, fdp.ConsumeString(30)) 

64 except glom.GlomError: 

65 pass 

66 

67 try: 

68 spec = glom.T['a']['b']['c'] 

69 glom.core.glom(json_dict, spec) 

70 except glom.GlomError: 

71 pass 

72 

73 

74def main(): 

75 atheris.instrument_all() 

76 atheris.Setup(sys.argv, TestOneInput) 

77 atheris.Fuzz() 

78 

79 

80if __name__ == "__main__": 

81 main()