Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_menu.py: 52%

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 

30 

31with atheris.instrument_imports(enable_loader_override=False): 

32 from lxml import etree as et 

33 import xml.etree.ElementTree as etree 

34 

35 #import etree 

36 import xdg.Menu 

37 from xdg.Exceptions import ParsingError 

38 

39@atheris.instrument_func 

40def verify_xml(data): 

41 try: 

42 root = et.XML(data) 

43 if root != None: 

44 et.indent(root) 

45 et.ElementTree(root) 

46 return True 

47 except et.XMLSyntaxError: 

48 return False 

49 

50@atheris.instrument_func 

51def TestOneInput(input_bytes): 

52 # This is a slight hack to verify xml with code 

53 # that gets instrumented. For some reason I was 

54 # unable to instrument xml itself. 

55 if not verify_xml(input_bytes): 

56 return 

57 

58 # We need to make the file an absolute path 

59 testfile_path = os.path.join(os.getcwd(), "test.menu") 

60 with open(testfile_path, "wb") as f: 

61 f.write(input_bytes) 

62 

63 try: 

64 xdg.Menu.parse(filename = testfile_path) 

65 except ParsingError: 

66 None 

67 except RecursionError: # Just catch it because it's not that interesting. 

68 None 

69 os.remove(testfile_path) 

70 

71def main(): 

72 atheris.instrument_all() 

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

74 atheris.Fuzz() 

75 

76 

77if __name__ == "__main__": 

78 main()