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DDEV Drupal Contrib

DDEV integration for developing Drupal contrib projects. As a general philosophy, your contributed module/theme is the center of the universe. The codebase layout (see image below) and commands in this project match the Gitlab CI approach from the Drupal Association.

Install

  1. If you haven't already, install Docker and DDEV
  2. git clone your contrib module
  3. cd [contrib module directory]
  4. Configure DDEV for Drupal using ddev config --project-type=drupal --docroot=web --php-version=8.3 --corepack-enable --project-name=[module] or select these options when prompted using ddev config
    • Remove underscores in the project name, or replace with hyphens. (DDEV will do this for you.)
    • See Misc for help on using alternate versions of Drupal core.
  5. Run ddev add-on get ddev/ddev-selenium-standalone-chrome ddev/ddev-drupal-contrib && ddev add-on get ddev/ddev-drupal-contrib
  6. Run ddev start
  7. Run ddev poser
  8. Run ddev symlink-project
  9. ddev config --update to detect expected Drupal and PHP versions.
  10. ddev restart

After installation, make sure to commit the .ddev directory to version control.

Update

ddev add-on get ddev/ddev-drupal-contrib
ddev restart

Commands

This project provides the following DDEV container commands.

  • ddev poser.
    • Creates a temporary composer.contrib.json so that drupal/core-recommended becomes a dev dependency. This way the composer.json from the module is untouched.
    • Runs composer install AND yarn install so that dependencies are available. Additional arguments to ddev poser like --prefer-source are passed along to composer install
    • Note: it is perfectly acceptable to skip this command and edit the require-dev of composer.json by hand.
  • ddev symlink-project. Symlinks your project files into the configured location (defaults to web/modules/custom) so Drupal can find your module. This command runs automatically on every ddev start as long as Composer has generated vendor/autoload.php which occurs during composer install/update. See codebase image below.

Run tests on your project code (defaults to web/modules/custom, configurable):

Codebase layout

Folder tree

Misc

Changing defaults

Override any environment variable value from .ddev/config.contrib.yaml by creating a .ddev/config.local.yaml (or any filename lexicographically following config.contrib.yaml) file which has the same structure as .ddev/config.contrib.yaml. Add your overrides under web_environment.

Changing the Drupal core version

In .ddev/config.local.yaml set the Drupal core version:

web_environment:
  - DRUPAL_CORE=^11

Then run ddev restart and then ddev poser to update the Drupal core version.

If Drupal core cannot be changed because the project is using an unsupported version of PHP, ddev poser will show a composer error. In that case, open .ddev/config.yaml and change the PHP_VERSION to a supported version; then run ddev restart and ddev poser again. Note that the project PHP version is set in .ddev/config.yaml, while the core version to use is set in .ddev/config.local.yaml.

Changing the symlink location

In .ddev/config.local.yaml set the location relative to webroot (which usually is web/). Defaults to modules/custom

web_environment:
  - ...
  - DRUPAL_PROJECTS_PATH=modules/custom

Then run ddev restart to update the symlink location.

To use with Drupal themes, set DRUPAL_PROJECTS_PATH=themes/custom in your config.local.yaml.

Example of successful test

This is what a successful test looks like, based on Config Enforce Devel.

user:~/config_enforce_devel$ ddev phpunit
PHPUnit 9.6.15 by Sebastian Bergmann and contributors.

Default Target Module (Drupal\Tests\config_enforce_devel\Functional\DefaultTargetModule)
 ✔ Default target module created

Form Alter Implementation Order (Drupal\Tests\config_enforce_devel\Functional\FormAlterImplementationOrder)
 ✔ Form alter implementation order

Theme Settings Form (Drupal\Tests\config_enforce_devel\Functional\ThemeSettingsForm)
 ✔ Theme settings form submit

Time: 00:13.453, Memory: 4.00 MB

OK (3 tests, 20 assertions)

Automatically correct coding standard violations

You can set up a pre-commit hook that runs phpcbf:

  1. Create a new file touch .git/hooks/pre-commit in your repository if it doesn't already exist.
  2. Add the following lines to the pre-commit file:
#!/usr/bin/env bash

ddev phpcbf -q
  1. Mark the file as executable: chmod +x pre-commit.

Troubleshooting

"Error: unknown command":

The commands from this addon are available when the project type is drupal. Make sure the type configuration is correctly set in .ddev/config.yaml:

type: drupal

Tip

Remember to run ddev restart if .ddev/config.yaml has been updated.

Contributing

Tests are done with Bats. It is a testing framework that uses Bash. To run tests locally you need to first install bats' git submodules with:

git submodule update --init

Then you can run within the root of this project:

./tests/bats/bin/bats ./tests

Tests will be run using the default drupal core of the contrib. To test against a different Drupal core version, update the TEST_DRUPAL_CORE environment variable.

i.e. TEST_DRUPAL_CORE=11 ./tests/bats/bin/bats ./tests.

Tests are triggered automatically on every push to the repository, and periodically each night. The automated tests are against all of the supported Drupal core versions.

Also, consider adding tests in your PR.

To learn more about Bats see the documentation.

Credits

Contributed and maintained by Moshe Weitzman (@weitzman) and Dezső BICZÓ (@mxr576)

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Contrib module development environment for Drupal projects on DDEV

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