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CONTRIBUTING.md

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Contributing

Behat is an open source, community-driven project. If you'd like to contribute, feel free to do this, but remember to follow this few simple rules:

  • Make your feature addition or bug fix,
  • Always as base for your changes use master branch (all new development happens here),
  • Add *.features for those changes (please look into features/ folder for some examples). This is important so we don't break it in a future version unintentionally,
  • Commit your code, but do not mess with BehatApplication version, or CHANGES.md one,
  • Remember: when you create Pull Request, always select master branch as target, otherwise it will be closed (this is selected by default).

Backwards compatibility

Starting from v3.0.0, Behat is following Semantic Versioning v2.0.0. This means that we take backwards compatibility of public API very seriously. So unless you want your PR to start a new major version of Behat (v4.0.0 for example), you need to make sure that either you do not change existing interfaces and their usage across the system or that you at least introduce backwards compatibility layer together with your change. Not following these rules will cause a rejection of your PR. Exception could be an extremely rare case where BC break is introduced as a measure to fix a serious issue.

You can read detailed guidance on what BC means in Symfony2 BC guide.

Contributing to Formatter Translations

Almost any output message (except exceptions and custom output) printed by Behat formatters could be translated into your language with --lang option. In order to fix/add translation, edit the appropriate section of the i18n.php file.

Running tests

Make sure that you don't break anything with your changes by running the test suite with your locale set to english:

$> LANG=C bin/behat