Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_graph.py: 43%

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 2023 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"""Create a random graph and pass it through the whole rendering process.""" 

27import sys 

28import atheris 

29import graphviz 

30 

31 

32def TestOneInput(data): 

33 fdp = atheris.FuzzedDataProvider(data) 

34 g = graphviz.Graph('G', filename='/tmp/process.gv', engine='sfdp') 

35 for i in range(fdp.ConsumeIntInRange(1, 8196)): 

36 g.edge(fdp.ConsumeUnicodeNoSurrogates(24), 

37 fdp.ConsumeUnicodeNoSurrogates(24)) 

38 try: 

39 g.view() 

40 except ( 

41 NotImplementedError, 

42 graphviz.backend.execute.CalledProcessError, 

43 graphviz.backend.execute.ExecutableNotFound, 

44 ): 

45 pass 

46 

47 

48def main(): 

49 atheris.instrument_all() 

50 atheris.Setup(sys.argv, TestOneInput) 

51 atheris.Fuzz() 

52 

53 

54if __name__ == "__main__": 

55 main()