Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_orm.py: 51%

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 sqlalchemy 

32 from sqlalchemy import Column, Integer, String, select, create_engine 

33 from sqlalchemy.orm import declarative_base, Session 

34 from sqlalchemy_utils import cast_if, escape_like 

35 from sqlalchemy.exc import SQLAlchemyError 

36 

37Base = declarative_base() 

38 

39class FuzzTable(Base): 

40 __tablename__ = "fuzz_table" 

41 

42 id = Column(Integer, primary_key=True) 

43 name = Column(String) 

44 

45@atheris.instrument_func 

46def TestInput(data): 

47 if len(data) < 10: 

48 pass 

49 

50 fdp = atheris.FuzzedDataProvider(data) 

51 

52 cast_if(FuzzTable.id, Integer) 

53 cast_if(FuzzTable.name, Integer) 

54 cast_if(FuzzTable.id, String) 

55 cast_if(FuzzTable.name, String) 

56 

57 cast_if(fdp.ConsumeInt(10), Integer) 

58 cast_if(fdp.ConsumeString(10), Integer) 

59 cast_if(fdp.ConsumeInt(10), String) 

60 cast_if(fdp.ConsumeString(10), String) 

61 

62 db_str = 'sqlite:///fuzz.db' 

63 

64 engine = create_engine(db_str) 

65 Base.metadata.create_all(engine) 

66 

67 try: 

68 with Session(engine) as session: 

69 name_str = fdp.ConsumeString(20) 

70 session.query(FuzzTable).filter(FuzzTable.name.ilike(escape_like(name_str))).all() 

71 except SQLAlchemyError as e: 

72 pass 

73 

74def main(): 

75 atheris.Setup(sys.argv, TestInput, enable_python_coverage=True) 

76 atheris.Fuzz() 

77 

78if __name__ == "__main__": 

79 main()