Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_basic.py: 41%

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37 statements  

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 create_engine, Table, Column, Integer, MetaData 

33 from sqlalchemy.sql import text 

34 from sqlalchemy.exc import SQLAlchemyError 

35 import sqlalchemy_jsonfield 

36 from sqlalchemy_jsonfield import JSONField 

37 

38@atheris.instrument_func 

39def TestInput(data): 

40 fdp = atheris.FuzzedDataProvider(data) 

41 

42 metadata = MetaData() 

43 fuzz_table = Table('fuzz_table', metadata, 

44 Column('id', Integer, primary_key=True), 

45 Column('Col1', 

46 JSONField(enforce_string=fdp.ConsumeBool(),enforce_unicode=fdp.ConsumeBool()) 

47 ) 

48 ) 

49 

50 engine = create_engine('sqlite:///fuzz.db') 

51 metadata.create_all(engine) 

52 try: 

53 with engine.connect() as conn: 

54 conn.execute(text(fdp.ConsumeString(100))) 

55 except (SQLAlchemyError, UnicodeEncodeError) as e: 

56 pass 

57 except ValueError as e: 

58 if "the query contains a null character" not in str(e): 

59 raise e 

60 

61def main(): 

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

63 atheris.Fuzz() 

64 

65 

66if __name__ == "__main__": 

67 main()