Tools for stress testing applications.
Stress testing of applications can be done in lots of different ways. This package provides an easy to use tool to stress test applications which take files as parameters. Editors, image viewers, compilers, and many more classes of apps come to mind.
The stress test is based on a given set of files, binary or text. Those files are taken randomly and some bytes are modified also randomly (fuzzing). Then the application gets executed with the fuzzed file. Repeating this over and over again stresses the robustness for defective input data of the application.
Tutorial and API documentation can be found on ReadTheDocs.
Now you can run your tests in multiple processes. Test results are combined and printed.
The easiest way to install is via easy_install or pip
$ pip install fuzzing
There are feature related tests that can be run with behave and unit tests runnable with pytest or nosetest.
from fuzzing.fuzzer import FuzzExecutor # Files to use as initial input seed. file_list = ["./features/data/t1.pdf", "./features/data/t3.pdf", "./features/data/t2.jpg"] # List of applications to test. apps_under_test = ["/Applications/Adobe Reader 9/Adobe Reader.app/Contents/MacOS/AdobeReader", "/Applications/PDFpen 6.app/Contents/MacOS/PDFpen 6", "/Applications/Preview.app/Contents/MacOS/Preview", ] number_of_runs = 13 def test(): fuzz_executor = FuzzExecutor(apps_under_test, file_list) fuzz_executor.run_test(number_of_runs) return fuzz_executor.stats def main(): stats = test() print(stats)
Using pre-built test runner and configuration
For convenience a test runner is provided which takes a test configuration.
Example of a configuration YAML file:
version: 1 seed_files: ['requirements.txt', 'README.rst'] applications: ['MyFunnyApp', 'AdobeReader'] runs: 800 processors: 4 processes: 10
Then call the test runner in a terminal session:
$ run_fuzzer.py test.yaml
This will execute the tests as configured and print the test result when done:
$ run_fuzzer.py test.yaml Starting up ... ... finished Test Results: MyFunnyApp succeeded: 4021 failed: 95 AdobeReader succeeded: 3883 failed: 1
Copyright & License
- Copyright 2015, Stefan Braun
- License: MIT
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