cosmic-ray

by sixty-north

sixty-north / cosmic-ray

Mutation testing for Python

445 Stars 42 Forks Last release: almost 3 years ago (v3.1.0) MIT License 897 Commits 16 Releases

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|Python version| |Build Status| |Code Health| |Code Coverage| |Documentation|

Cosmic Ray: mutation testing for Python

"Four human beings -- changed by space-born cosmic rays into something more than merely human." — The Fantastic Four

Cosmic Ray is a mutation testing tool for Python 3.

It makes small changes to your source code, running your test suite for each one. Here's how the mutations look:

.. image:: docs/source/cr-in-action.gif

|fulldocumentation|

Contributing

The easiest way to contribute is to use Cosmic Ray and submit reports for defects or any other issues you come across. Please see CONTRIBUTING.rst for more details.

.. |Python version| image:: https://img.shields.io/badge/Pythonversion-3.5+-blue.svg :target: https://www.python.org/ .. |Build Status| image:: https://travis-ci.org/sixty-north/cosmic-ray.svg?branch=master :target: https://travis-ci.org/sixty-north/cosmic-ray .. |Code Health| image:: https://landscape.io/github/sixty-north/cosmic-ray/master/landscape.svg?style=flat :target: https://landscape.io/github/sixty-north/cosmic-ray/master .. |Code Coverage| image:: https://codecov.io/gh/sixty-north/cosmic-ray/branch/master/graph/badge.svg :target: https://codecov.io/gh/Vimjas/covimerage/branch/master .. |Documentation| image:: https://readthedocs.org/projects/cosmic-ray/badge/?version=latest :target: http://cosmic-ray.readthedocs.org/en/latest/ .. |fulldocumentation| replace:: Read the full documentation at readthedocs. .. fulldocumentation: http://cosmic-ray.readthedocs.org/en/latest/

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