Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_parser.py: 4%

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 2023 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 numpy as np 

30from opt_einsum.parser import parse_einsum_input 

31 

32 

33def TestOneInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 

36 # Create a numpy array with fuzzer-seeded entries. 

37 ops = np.array( 

38 [fdp.ConsumeFloat(), fdp.ConsumeFloat(), fdp.ConsumeFloat, fdp.ConsumeFloat()], 

39 ) 

40 try: 

41 parse_einsum_input( 

42 [fdp.ConsumeUnicodeNoSurrogates(sys.maxsize), *ops], 

43 shapes=fdp.ConsumeBool() 

44 ) 

45 except ValueError: 

46 # Raised by einsum parsing 

47 pass 

48 

49def main(): 

50 atheris.instrument_all() 

51 atheris.Setup(sys.argv, TestOneInput) 

52 atheris.Fuzz() 

53 

54 

55if __name__ == "__main__": 

56 main()