Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_jinja_compile_templates.py: 44%

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36 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. 

26import sys 

27import atheris 

28 

29with atheris.instrument_imports(): 

30 from jinja2.environment import Environment 

31 from jinja2.loaders import DictLoader 

32 

33def TestOneInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 template_str = fdp.ConsumeString(sys.maxsize) 

36 

37 tmp_path = "/tmp/mytemplates" 

38 temp_file = os.path.join(tmp_path, "template.jinja2") 

39 if not os.path.isdir(tmp_path): 

40 os.mkdir(tmp_path) 

41 if os.path.isfile(temp_file): 

42 os.remove(temp_file) 

43 with open(temp_file, "wb") as fd: 

44 fd.write(data) 

45 

46 env = Environment(loader=DictLoader({"foo": template_str})) 

47 try: 

48 env.compile_templates(tmp_path, zip=None) 

49 except RecursionError: 

50 return 

51 return 

52 

53def main(): 

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

55 atheris.Fuzz() 

56 

57if __name__ == "__main__": 

58 main()