ThinkShout's project template for WordPress projects with Pantheon + Composer
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Last update: 2022-01-06 09:58:10 UTC
This repository is a reference implementation and start state for a modern WordPress workflow utilizing Composer, Continuous Integration (CI), Automated Testing, and Pantheon. Even though this is a good starting point, you will need to customize and maintain the CI/testing set up for your projects.
This repository is meant to be copied one-time by the the Terminus Build Tools Plugin but can also be used as a template. It should not be cloned or forked directly.
The Terminus Build Tools plugin will scaffold a new project, including:
- A Git repository
- A free Pantheon sandbox site
- Continuous Integration configuration/credential set up
For more details and instructions on creating a new project, see the Terminus Build Tools Plugin.
Pantheon will serve the site from the
/web subdirectory due to the configuration in
pantheon.yml. This is necessary for a Composer based workflow. Having your website in this subdirectory also allows for tests, scripts, and other files related to your project to be stored in your repo without polluting your web document root or being web accessible from Pantheon. They may still be accessible from your version control project if it is public. See the
pantheon.yml documentation for details.
Even within the
/web directory you may notice that other directories and files are in different places compared to a default WordPress installation. WordPress allows installing WordPress core in its own directory, which is necessary when installing WordPress with Composer.
/web/wp-config.php for key settings, such as
WP_SITEURL, which must be updated so that WordPress core functions properly in the relocated
/web/wp directory. The overall layout of directories in the repo is inspired by, but doesn't exactly mirror, Bedrock.
This project uses Composer to manage third-party PHP dependencies.
require section of
composer.json should be used for any dependencies your web project needs, even those that might only be used on non-Live environments. All dependencies in
require will be pushed to Pantheon.
require-dev section should be used for dependencies that are not a part of the web application but are necesarry to build or test the project. Some example are
phpunit. Dev dependencies will not be deployed to Pantheon.
If you are just browsing this repository on GitHub, you may not see some of the directories mentioned above, such as
web/wp. That is because WordPress core and its plugins are installed via Composer and ignored in the
A custom, Composer version of WordPress for Pantheon is used as the source for WordPress core.
Third party WordPress dependencies, such as plugins and themes, are added to the project via
composer.lock file keeps track of the exact version of dependency. Composer
installer-paths are used to ensure the WordPress dependencies are downloaded into the appropriate directory.
Non-WordPress dependencies are downloaded to the
.ci directory is where all of the scripts that run on Continuous Integration are stored. Provider specific configuration files, such as
.gitlab-ci.yml, make use of these scripts.
The scripts are organized into subdirectories of
.ci according to their function:
Steps for building an artifact suitable for deployment. Feel free to add other build scripts here, such as installing Node dependencies, depending on your needs.
.ci/build/phpinstalls PHP dependencies with Composer
Scripts for facilitating code deployment to Pantheon.
.ci/deploy/pantheon/create-multidevcreates a new Pantheon multidev environment for branches other than the default Git branch
- Note that not all users have multidev access. Please consult the multidev FAQ doc for details.
.ci/deploy/pantheon/dev-multidevdeploys the built artifact to either the Pantheon
devor a multidev environment, depending on the Git branch
Scripts that run automated tests. Feel free to add or remove scripts here depending on your testing needs.
Static tests analyze code without executing it. It is good at detecting syntax error but not functionality.
.ci/test/static/runRuns PHP CodeSniffer with WordPress coding standards, PHP Unit, and PHP syntax checking.
tests/unit/bootstrap.phpBootstraps the Composer autoloader
tests/unit/TestAssert.phpAn example Unit test. Project specific test files will need to be created in
Visual Regression Testing
Visual regression testing uses a headless browser to take screenshots of web pages and compare them for visual differences.
.ci/test/visual-regression/runRuns BackstopJS visual regression testing.
.ci/test/visual-regression/backstopConfig.jsThe BackstopJS configuration file. Setting here will need to be updated for your project. For example, the
pathsToTestvariable determines the URLs to test.
Behat is an acceptance/end-to-end testing framework written in PHP. It faciliates testing the fully built WordPress site on Pantheon infrastucture. WordHat is used to help with integrating Behat and WordPress.
.ci/test/behat/initializedeletes any existing WordPress user from Behat testing and creates a backup of the environment to be tested
BEHAT_PARAMSenvironment variable with dynamic information necessary for Behat and configure it to use wp-cli via Terminus, creates the necessary WordPress user, starts headless Chrome, and runs Behat
.ci/test/behat/cleanuprestores the previously made database backup, deletes the WordPress user used for Behat testing, and saves screenshots taken by Behat
tests/behat/behat-pantheon.ymlBehat configuration file compatible with running tests against a Pantheon site
tests/behat/tests/behat/featuresWhere Behat test files, with the
.featureextension, should be stored. The provided example tests will need to be replaced with project specific tests.
tests/behat/tests/behat/features/visit-homepage.featureA Behat test file which visits the homepage and verifies a
tests/behat/tests/behat/features/admin-login.featureA Behat test file which logs into the WordPress dashboard as an administrator and verifies acess to new user creation
tests/behat/tests/behat/features/admin-login.featureA Behat test file which logs into the WordPress dashboard as an administrator, updates the
blogdescriptionsettings, clears the Pantheon cache, visits the home page, and verifies the update blog name and description appear.
To get started using Lando to develop locally complete these one-time steps. Please note than Lando is an independent product and is not supported by Pantheon. For further assistance please refer to the Lando documentation.
- Install Lando, if not already installed.
- Clone your project repository from GitHub (or GitLab or BitBucket) locally.
- Manually create a
.lando.ymlfile with your preferred configuration, based on the WordPress recipe.
lando startto start Lando.
- Save the local site URL. It should be similar to
- Save the local site URL. It should be similar to
lando composer install --no-ansi --no-interaction --optimize-autoloader --no-progressto download dependencies
lando pull --code=noneto download the media files and database from Pantheon.
- Visit the local site URL saved from above.
You should now be able to edit your site locally. The steps above do not need to be completed on subsequent starts. You can stop Lando with
lando stop and start it again with
Warning: do NOT push/pull code between Lando and Pantheon directly. All code should be pushed to GitHub and deployed to Pantheon through a continuous integration service, such as CircleCI.
Composer, Terminus and wp-cli commands should be run in Lando rather than on the host machine. This is done by prefixing the desired command with
lando. For example, after a change to
lando composer update rather than