Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_env_jinja_lexer.py: 50%

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. 

26import sys 

27import atheris 

28import traceback 

29 

30with atheris.instrument_imports(): 

31 import jinja2 

32 

33def TestOneInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 original = fdp.ConsumeString(sys.maxsize) 

36 

37 # Hit the parser 

38 env = jinja2.Environment() 

39 try: 

40 v1 = env.from_string(original) 

41 v1.render() 

42 except (jinja2.TemplateSyntaxError, jinja2.UndefinedError, RecursionError, MemoryError) as e: 

43 return 

44 except Exception as e2: 

45 # avoid raising anything that is raise by jinjas "handle_exception" 

46 tb = traceback.format_exc() 

47 if "handle_exception" in str(tb): 

48 pass 

49 else: 

50 raise e2 

51 

52 # Hit tokernizer directly 

53 env.lexer.tokenize(original) 

54 return 

55 

56def main(): 

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

58 atheris.Fuzz() 

59 

60if __name__ == "__main__": 

61 main()