Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_consumer.py: 24%

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 atheris 

28import sys 

29from confluent_kafka import Consumer, KafkaException, TopicPartition 

30 

31 

32def TestInput(data): 

33 fdp = atheris.FuzzedDataProvider(data) 

34 

35 def dummy_callback(err, partitions): 

36 pass 

37 

38 try: 

39 c = Consumer({ 

40 'group.id': fdp.ConsumeConsumeUnicodeNoSurrogates(10), 

41 'socket.timeout.ms': fdp.ConsumeIntInRange(10,2000), 

42 'session.timeout.ms': fdp.ConsumeIntInRange(10,2000), 

43 'on_commit': dummy_callback}) 

44 except Exception as e: 

45 # If the consumer fails, we just retry 

46 return 

47 

48 try: 

49 c.subscribe( 

50 [fdp.ConsumeUnicodeNoSurrogates(10)], 

51 on_assign=dummy_callback, 

52 on_revoke=dummy_callback 

53 ) 

54 c.unsubscribe() 

55 

56 msg = c.poll(timeout=0.001) 

57 msglist = c.consume( 

58 num_messages=fdp.ConsumeIntInRange(1,10), 

59 timeout=0.001 

60 ) 

61 

62 partitions = list( 

63 map( 

64 lambda part: TopicPartition(fdp.ConsumeUnicodeNoSurrogates(10).replace('\x00', ''), part), 

65 range(0, 100, 3) 

66 ) 

67 ) 

68 c.assign(partitions) 

69 c.unassign() 

70 

71 c.commit(asynchronous=fdp.ConsumeBool()) 

72 c.committed(partitions, timeout=0.001) 

73 

74 c.list_topics(timeout=0.2) 

75 c.list_topics(topic=fdp.ConsumeString(10), timeout=0.1) 

76 except KafkaException as e: 

77 pass 

78 

79 c.close() 

80 

81 

82def main(): 

83 atheris.instrument_all() 

84 atheris.Setup(sys.argv, TestInput, enable_python_coverage=True) 

85 atheris.Fuzz() 

86 

87 

88if __name__ == "__main__": 

89 main()