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Unit Testing TYPO3

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warning - No longer maintained

This document was transferred to the official TYPO3 CMS documentation (new URL: This wiki page is now obsolete and will not get any additional updates.

Unit testing in TYPO3 8

Setup and run tests:

git clone git://
composer install
./bin/phpunit -d memory_limit=1G -c vendor/typo3/testing-framework/Resources/Core/Build/UnitTests.xml

You can also call testfunctions directly by inserting the filtered testing file, function name and testclass

./bin/phpunit -c vendor/typo3/testing-framework/Resources/Core/Build/UnitTests.xml **filepath** --filter **function** **testclass**

Creating a full code coverage report of unit tests into a directory on the parent level to prevent showing it up in Git

 ./bin/phpunit -d memory_limit=1G --coverage-html ../typo3-code-coverage/ -c vendor/typo3/testing-framework/Resources/Core/Build/UnitTests.xml

Unit testing since TYPO3 6.2

warning - Message

Do not use the TYPO3 extension "phpunit", it is broken until is solved

With TYPO3 CMS version 6.2 the unit test execution and its required setup was streamlined. See Blueprints/StandaloneUnitTests for more details.

composer should be available on the system already, see its documentation for installation details.

Setup and run tests:

git clone git://
composer install
./bin/phpunit -c typo3/sysext/core/Build/UnitTests.xml

Test for cross dependencies in unit tests

Cross dependencies may occur, if you write tests that depend (willingly or not) on the earlier execution of another test (e.g setting locals without reseting them after finished test). To reveal such cases you can use the phpunit-randomizer, that executes all test in a random order.

Install the randomizer using composer.

composer require fiunchinho/phpunit-randomizer --dev

Using the randomizer works in a similar way as the normal phpunit.

./bin/phpunit-randomizer -c components/testing_framework/Resources/Core/Build/UnitTests.xml --order rand

Mind the parameter "--order rand". After running the command once, you'll be provided with a seed (e.g. 1234) by the randomizer. Adding this seed to the randomizer command reproduces the same order.

./bin/phpunit-randomizer -c components/testing_framework/Resources/Core/Build/UnitTests.xml --order rand:1234

This way you are be able to reproduce the same order (within the same git commit) over and over again to remove all test failures caused by cross dependencies.

Unit Testing on Windows

For Unit Testing on Windows use the Windows shell (cmd.exe) - do not use the git shell, because it does not have the Environment Variables set. This leads to OPENSSL_CONF not being set which makes the RsaAuth-Tests fail.

Normal windows users are not allowed to create symbolic links, the tests will fail with "symlink(): Cannot create symlink, error code(1314)". You either have to set the according rights (see or start the Windows shell as Administrator (Right-click => Open as administrator). On Windows Home the second option is your only choice because secpol.msc is not available there (polsedit doesn't seem to work).

.\bin\phpunit.bat -c components/testing_framework/Resources/Core/Build/UnitTests.xml

To run a certain test, just append the test class:

.\bin\phpunit.bat -c components/testing_framework/Resources/Core/Build/UnitTests.xml typo3/sysext/form/Tests/Unit/Filter/StripNewLinesFilterTest.php

There currently is a bug in xampp with a wrong path to OPENSSL_CONF:

Unit Testing with PhpStorm

Select vendor/autoload.php as custom autoloader and typo3/sysext/core/Build/UnitTest.xml as default configuration file.

Functional testing

For information about functional testing see

Unit testing below TYPO3 CMS 6.2

1. Install the extension phpunit from TER. Alternatively you can also use git to checkout the latest version of phpunit. 2. Create a backend user name cli_phpunit to allow running task from shell.

On top of that, some systems require special PHP extensions, like xdebug which is required to generate the code coverage report.

On rpm based systems, like Fedora and RHEL, you need the packages php-process and php-posix in addition to the normal list of PHP extensions.

Integrating phpunit into your IDE

There are several IDE which can run phpunit test. Unfortunately this does not work that easy on TYPO3, because most TYPO3 functions required a fully bootstrapped framework to function. This requires to pull up TYPO3 prior to running any tests. This task is done by the extension phpunit, thus all request must be routed trough the phpunit e.g. via the cli interface.

 ./typo3/cli_dispatch.phpsh phpunit


  • If using data providers, any code in the providers should be avoided. Especially time calculations are not a good idea, if tests are grunalar to seconds or minutes. Reason for that is, that all data provider data is calculated at the very beginning of a whole run. So, if you run 4000 tests in 2 minutes, there will be time offsets. See for example issue 40515: TYPO3 Core - Fix scheduler tests for travis [Closed] on that. Furthermore, if additional initialization is done in setUp(), they won't hit depending calculations in dataProviders. If for example a dataProvider uses strtotime() and setUp() sets a specific timezone, the strtotime() will be executed *before* setUp() is called, and thus not take the different timezone setting of setUp() into account.

Using PHPUnit via CLI and MAMP (or any other php binary that is not located in your default path)

Make aliases for php and phpunit (preferably place it in ~/.profile so that it will be available every time you open a terminal window

alias php="/Applications/MAMP/bin/php/php5.4.19/bin/php"
alias phpunit="typo3conf/ext/phpunit/Composer/vendor/bin/phpunit"

Then you can execute core unit or functional test just by doing (you have to be in your TYPO3 installation directory):

phpunit -c typo3/sysext/core/Build/UnitTests.xml
phpunit -c typo3/sysext/core/Build/FunctionalTests.xml

The phpunit TYPO3 extension must be located in typo3conf/ext/ for this to work of course.

Additional Resources

Unit Testing of TYPO3 extensions