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typo3-tf-runtests

DRY Experimental base for using runTests.sh in extensions/projects/core

TL;DR: See section "Use of the new runTests.sh in a Composer-based TYPO3 project"

What is this?

The TYPO3 core's runTests.sh file (https://github.com/TYPO3/typo3/blob/main/Build/Scripts/runTests.sh) is awesome:

• It integrates with the https://github.com/TYPO3/testing-framework which provides a basis to perform unit and functional tests with a TYPO3 framework

• It utilizes docker or podman, giving a choice of container implementation

• It offers easy xdebug integration for test execution

• It allows a wide range of supported PHP and database versions, great for CI matrix integration

• Low dependencies: Just docker or podman and bash, available on Windows WSL, Linux/Unix and macOS

• The same script with its parameters can be run locally and within CI

• it is actively maintained and utilized by the TYPO3 core

However, it has one large drawback:

• It cannot be used for TYPO3 extensions or TYPO3-based projects without being copied to those repositories. runTests.sh is part of the TYPO3 monorepo, so it cannot be included as a require-dev dependency.
• This means, any bugfix or any new feature (adding the latest and greatest docker engine) would mean you would have to update the script manually.

This repository acts as a playground to evaluate how runTests.sh could be modified to:

• Be provided as a composer package (maintained in typo3/typo3 core, offered as a subtree split repo)
• Be a drop-in replacement for the TYPO3 core, supporting all of its current functionality without a change. This means it will need to "live" within the monorepos "Build/Scripts/" directory.
• Allow customization through dispatching of self-maintained extending scripts and "understanding" parameters
• Provide a "setup" helper that copies typo3/testing-framework template files with adapted paths to the wanted places (TODO)

Central motivation / goals

• "Don't Repeat Yourself" and try to prevent "Not Invented Here" syndrome: We all want testing just to work, and work great, and without the need to copy+paste things and by this taking over maintaining those scripts.
• "Convention over Configuration": runTests.sh is kind of opinionated, it does not want to support every need there is, but provide a common ground. Everything that needs customization should be done with self-maintained ADDITIONAL scripts. This is a good thing.
• Change the current runTests.sh as little as possible
• This is NOT meant as "EVERYTHING needs to be customized", it shall not become unmaintainable with flexibility, but instead be maintainable through better flexibility and outside usage feedback.

Experimental

ALL OF THIS IS EXPERIMENTAL

Use at your own care/risk.

There are two use cases:

Use of the new runTests.sh in TYPO3 core (monorepo)

The setup would be that this repository will cease to exist.

The files from Build/Scripts/ would all be moved to the typo3/typo3 repository.

From there, a subtree split would create a package like typo3/runtests, containing the files of Build/Scripts.

That means inside Build/Scripts a composer.json file would need to be created to contain that metadata. A bin configuration there would be needed, and probably require-dev dependencies.

To simulate this you can:

• Take a typo3/typo3 GIT clone (main)
• Copy the files from Build/Scripts/ of this repository into the same directory of the monorepo
• REMOVE Build/Scripts/runTests.env! For the core, the settings are contained inside runTests.sh.
• Execute Build/Scripts/runTests.sh like before. Nothing should change. If something changes, it's a bug and not intended.

Use of the new runTests.sh in a Composer-based TYPO3 project

For this I've created a separate project, so you can:

• git clone https://github.com/garvinhicking/tf-basics-project
• cd tf-basics-project
• git checkout runtests (important)
• composer install
• ./vendor/bin/runTests.sh -s unit
• ./vendor/bin/runTests.sh -s custom -- myStan

This project comes with a predefined configuration runTests.env that is used, and some stub tests and config files.

There might even be a generator for such a runTests.env file, but that is beyond scope for now.

Just check out this repository, you should be able to adapt that with any custom extension or project, you need:

• A composer.json requiring TYPO3 (duh) and require-dev this garvinhicking/typo3-tf-runtests repository (for now; in the future a typo3/runtests package hopefully)
• The mentioned runTests.env file
• Configuration files for phpunit, phpstan and whatever else you plan to utilize
• Any kind of custom custom-runTests.xxx.sh dispatchees
• PHP files / extension files you want to test
• Maybe some .ddev configuration, but runTests is fully functional without ddev.

CAVEATS

• There are A LOT of variables that need assignment
• The initial required pull of "runTests.sh" makes it impossible to use the provided runTests.sh file to use that for a composer install. Only after composer has initially fetched it, you could use vendor/bin/runTests.sh -s composerInstall to use the dockerized setup. Classical chicken/egg. For the TYPO3 mono-repo instance this is not an issue, because runTests.sh "lives" there and does not require composer to actually fetch it.

Feedback

Yes. Please. Inspire people to share.