alfresco-ng2-components/CONTRIBUTING.md

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# Contributing to ADF
- [Library Contents](#submitting-a-pull-request-pr)
- [Code style](#code-style)
- [Test guide](#test-guide)
## Submitting a Pull Request (PR)
Before you submit a pull request please follow the steps below:
* Search in [GitHub PR](https://github.com/Alfresco/alfresco-ng2-components/pulls) for an open or closed PR
that could solve or already solves your issue.
* Search in the [GitHub release history](https://github.com/Alfresco/alfresco-ng2-components/releases) to see if your
issue has already been solved in a new version of ADF.
* Fork our repository (if you don't know how to do this, read [this GitHub document](https://help.github.com/articles/creating-a-pull-request-from-a-fork/)).
* Make your changes in a new git branch starting from develop and following our [naming convention](https://github.com/Alfresco/alfresco-ng2-components/wiki/Branching-Strategy)
```shell
git checkout -b dev-{developerName}-{GitIssuedId/JiraIssueId} develop
```
* Create your PR **including appropriate test cases** following the [code contribution acceptance criteria](https://github.com/Alfresco/alfresco-ng2-components/wiki/Code-contribution-acceptance-criteria)
* Run the tests and make sure they are green. Please don't comment out or exclude the tests that are already in place.
* Commit your change using the [commit format message good practice](https://github.com/Alfresco/alfresco-ng2-components/wiki/Commit-format)
* Push your branch to GitHub:
```shell
git push origin dev-{developerName}-{GitIssuedId/JiraIssueId}
```
* In GitHub, send a pull request to `develop`.
* If we suggest changes then:
* Make the required updates.
* Re-run the tests.
* Rebase your branch and force push to your GitHub repository (this will update your Pull Request):
```shell
git fetch develop
git checkout dev-my-branch
git rebase develop -i
git push -f
```
Note: If you need more information about how to sync your fork, see [this page](https://help.github.com/articles/syncing-a-fork/).
## Code style
The code style for ADF follows the [Angular style guide](https://angular.io/guide/styleguide) plus some internal rules.
The codebase is also checked with:
- ESLint tool
- Stylelint tool
## Test guide
In ADF, we encourage the use of behavior-driven development (BDD).
### General guidelines
* Class selector in all the tests is not suggested. Use of the element ID is preferred
* Any test case should test only one behavior
* Use of the Angular [testBed](https://angular.io/guide/testing#testbed) is highly recommended
### File name
* The file name specification must be the same as the component/service/pipe it tests plus the .spec. suffix.
* The specification file must be in the same folder as the component/service/pipe it tests.
### Describer Name
* The Main describer of the test should be the name of the class under test
* The sub describe is used for grouping related behavior test. Do not overuse it.
### Test Name
Any test should follow the naming convention:
[Should] [ ***Expected Behavior*** ] [when/after/before] [ ***State Under Test*** ].