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Contributing

Questions

Please first read through the FAQ.

Please ask questions on StackOverflow, Google Group discussion list, or Gitter.

Any questions posted to Protractor's Github Issues will be closed with this note:

Please direct general support questions like this one to an appropriate support channel, see https://github.com/angular/protractor/blob/master/CONTRIBUTING.md#questions

Thank you!

Issues

If you have a bug or feature request, please file an issue. Before submitting an issue, please search the issue archive to help reduce duplicates, and read the FAQ.

Try running with troubleshooting messages (protractor --troubleshoot) against your configuration to make sure that there is not an error with your setup.

When submitting an issue, please include a reproducible case that we can actually run. Protractor has a test Angular application available at http://www.protractortest.org/testapp which you can use for the reproducible test case. If there's an error, please include the error text.

Please format code and markup in your issue using github markdown.

Contributing to Source Code (Pull Requests)

Loosely, follow the Angular contribution rules.

  • If your PR changes any behavior or fixes an issue, it should have an associated test.
  • New features should be general and as simple as possible.
  • Breaking changes should be avoided if possible.
  • All pull requests require review. No PR will be merged without a comment from a team member stating LGTM (Looks good to me).

Protractor specific rules

  • JavaScript style should generally follow the Google JS style guide.
  • Wrap code at 80 chars.
  • Document public methods with jsdoc.
  • Be consistent with the code around you!

Commit Messages

Please write meaningful commit messages - they are used to generate the changelog, so the commit message should tell a user everything they need to know about a commit. Protractor follows AngularJS's commit message format.

In summary, this style is

<type>(<scope>): <subject>
<BLANK LINE>
<body>

Where <type> is one of [feat, fix, docs, refactor, test, chore, deps] and <scope> is a quick descriptor of the location of the change, such as cli, clientSideScripts, element.

Testing your changes

Test your changes on your machine by running npm start to start up the test application, then npm test to run the test suite. This assumes you have a Selenium Server running at localhost:4444.

When you submit a PR, tests will also be run on the Continuous Integration environment through Travis. If your tests fail on Travis, take a look at the logs - if the failures are known flakes in Internet Explorer or Safari you can ignore them, but otherwise Travis should pass.