Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_werkzeug_url.py: 57%

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 sys 

28import atheris 

29 

30with atheris.instrument_imports(): 

31 import werkzeug 

32 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 original = fdp.ConsumeUnicode(100) 

37 try: 

38 werkzeug.urls.url_fix(original) 

39 except UnicodeEncodeError as e2: 

40 return 

41 except ValueError as e: 

42 if not "IPv6" in str(e): 

43 raise e 

44 

45 try: 

46 werkzeug.urls.url_join( 

47 fdp.ConsumeUnicode(30), 

48 fdp.ConsumeUnicode(30) 

49 ) 

50 except UnicodeEncodeError as e2: 

51 return 

52 except ValueError as e: 

53 if not "IPv6" in str(e): 

54 raise e 

55 

56 try: 

57 werkzeug.urls.url_parse(fdp.ConsumeUnicode(30)) 

58 except UnicodeEncodeError as e2: 

59 return 

60 except ValueError as e: 

61 if not "IPv6" in str(e): 

62 raise e 

63 

64 try: 

65 werkzeug.urls.iri_to_uri(fdp.ConsumeUnicode(30)) 

66 except UnicodeEncodeError as e2: 

67 return 

68 except ValueError as e: 

69 if not "IPv6" in str(e): 

70 raise e 

71 

72 try: 

73 werkzeug.urls.url_decode(fdp.ConsumeUnicode(30)) 

74 except UnicodeEncodeError as e2: 

75 return 

76 except ValueError as e: 

77 if not "IPv6" in str(e): 

78 raise e 

79 return 

80 

81 

82def main(): 

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

84 atheris.Fuzz() 

85 

86 

87if __name__ == "__main__": 

88 main()