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A Chassis extension for WordPress Core development.
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BronsonQuick Always use src/ directory when running tests (#42)
Always use src/ directory when running tests
Latest commit 4d4a4b9 Aug 28, 2019

README.md

WordPress Core Development Extension for Chassis

This extension configures a Chassis virtual machine for WordPress core development.

Quick Start

Clone Chassis into the directory of your choice with this command:

# You may change core-dev-vm to the folder name of your choice.
git clone --recursive https://github.com/Chassis/Chassis core-dev-vm

Next, create an empty config.local.yaml file in the root of the Chassis checkout, and paste in these options:

# Specify the .local hostname of your choice.
hosts:
  - core.local

paths:
  # Use Chassis paths as normal,
  content: content
  base: .
  # Except use your checkout for the WordPress directory. To switch
  # between /src and /build, edit this line then run `vagrant provision`.
  wp: wordpress-develop/src

# Instruct Chassis to use this extension.
extensions:
  - core_dev

# Set a PHPUnit version.
phpunit:
  version: 7.5

(Other Chassis configuration options may be used as normal, so long as the above paths are provided correctly.)

After creating this file, run vagrant up to initialize the virtual machine.

Once provisioned, your new WordPress development site will be available at core.local, and you may login at core.local/wp with the username admin and password password. The site will be using the /src build of the wordpress-develop repository, newly cloned on your host system at [Chassis root]/wordpress-develop and available as /vagrant/wordpress-develop inside the virtual machine.

To switch the site to use the build version of the site instead, edit the wp: line in your config.local.yaml to end in "build" instead of "src" then run vagrant provision.

A Note on the WordPress Build Process

PLEASE NOTE: The provisioner will run npm install and grunt for you after cloning the repository, so you can get started right away. However, subsequent npm or grunt commands are left to you, the developer. If you have made changes to the code and are using the /src directory, run grunt build --dev to rebuild the project into the /src directory if you do not see your changes. If you are using /build, run grunt or grunt build. See the WordPress core contributor handbook for more information on building & developing WordPress.

(Commands may be run either within the Chassis VM — e.g. vagrant ssh -c 'cd /vagrant/wordpress-develop && grunt build --dev' — or else you may run npm install within your host operating system and run the builds with grunt locally on your machine. Builds may be faster on the host system than within the VM, but using the VM's versions of Node and Grunt means you need less tooling installed outside Chassis.)

Use An Existing WordPress Checkout

You may already have wordpress-develop checkout out locally using git or svn. You may choose to use this repository within your VM instead of cloning a fresh copy by mapping the directory into your virtual machine using synced_folders.

As an example, imagine that you have your Chassis box checked out in ~/core-vm, and your WordPress development repository checked out in ~/wordpress-develop. In your config.local.yaml file inside the Chassis directory, tell Chassis to sync the folder ../wordpress-develop into the VM as /vagrant/wordpress-develop.

hosts:
  - core.local

paths:
  # Use the normal Chassis directory structure,
  content: content
  base: .
  # Except use your checkout for the WordPress directory. To switch
  # between /src and /build, edit this line then run `vagrant provision`.
  wp: ../wordpress-develop/src

synced_folders:
  # This will allow you to run the WP unit tests against your existing
  # wordpress-develop repository checkout.
  ../wordpress-develop: /vagrant/wordpress-develop

extensions:
  - core_dev

Running the Unit Tests

From the host machine, use vagrant ssh to run the unit tests inside the virtual machine:

vagrant ssh -c 'cd /vagrant/wordpress-develop && phpunit'

To run a particular suite of tests, for example just the tests defined within the WP_Test_REST_Posts_Controller class, provide that class name with --filter:

vagrant ssh -c 'cd /vagrant/wordpress-develop && phpunit --filter WP_Test_REST_Posts_Controller'

The best version of PHPUnit to install depends on the version of PHP you are using:

  • PHP 5.6: PHPUnit 4.8
  • PHP 7.0: PHPUnit 6.5
  • PHP 7.1+: PHPUnit 7.5

Extension Options

Define a core_dev key in your config.local.yaml to configure this extension.

# config.local.yaml

core-dev:
    # If the wordpress-develop repo is not already checked out within the
    # Chassis root directory, this extension will clone a fresh copy for
    # you. To add a "mirror" remote pointing to your own fork of the develop
    # repo, specify your fork's address in the `mirror` option.
    mirror: git@github.com:{your GitHub name}/wordpress-develop.git
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