Coverage for /pythoncovmergedfiles/medio/medio/src/underscore/fuzz_compile.py: 44%

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 os 

28import sys 

29import atheris 

30from underscore import _ 

31 

32 

33def TestOneInput(data): 

34 with open("tmp.f", "wb") as f: 

35 f.write(data) 

36 

37 # Only continue if the file exists. 

38 if os.path.isfile("tmp.f"): 

39 try: 

40 # Call underscore 

41 _("tmp.f", "dst.f") 

42 except (SyntaxError, UnicodeDecodeError) as e: 

43 pass 

44 except ValueError as e2: 

45 if "cannot contain null" in str(e2): 

46 pass 

47 else: 

48 raise e2 

49 except KeyError: 

50 # This is added because the fuzzer quickly runs into it, and I think 

51 # the reason is that not all python AST types have been added AFAIK. 

52 # As such, it's an issue by design. 

53 pass 

54 os.remove("tmp.f") 

55 

56 

57def main(): 

58 atheris.instrument_all() 

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

60 atheris.Fuzz() 

61 

62 

63if __name__ == "__main__": 

64 main()