wordpress-develop/tests/phpunit
Pascal Birchler e83f5a1a60 I18N: Introduce a more performant localization library.
This introduces a more lightweight library for loading `.mo` translation files which offers increased speed and lower memory usage.
It also supports loading multiple locales at the same time, which makes locale switching faster too.

For plugins interacting with the `$l10n` global variable in core, a shim is added to retain backward compatibility with the existing `pomo` library.

In addition to that, this library supports translations contained in PHP files, avoiding a binary file format and leveraging OPCache if available.
If an `.mo` translation file has a corresponding `.l10n.php` file, the latter will be loaded instead.
This behavior can be adjusted using the new `translation_file_format` and `load_translation_file` filters.

PHP translation files will be typically created by downloading language packs, but can also be generated by plugins.
See https://make.wordpress.org/core/2023/11/08/merging-performant-translations-into-core/ for more context.

Props dd32, swissspidy, flixos90, joemcgill, westonruter, akirk, SergeyBiryukov.
Fixes #59656.

git-svn-id: https://develop.svn.wordpress.org/trunk@57337 602fd350-edb4-49c9-b593-d223f7449a82
2024-01-23 13:32:34 +00:00
..
data I18N: Introduce a more performant localization library. 2024-01-23 13:32:34 +00:00
includes Build/Test Tools: Allow overriding the WP_UnitTestCase_Base::factory() method. 2023-12-02 11:56:31 +00:00
tests I18N: Introduce a more performant localization library. 2024-01-23 13:32:34 +00:00
multisite.xml Build/Test Tools: Remove random_compat from PHPCS and PHPUnit configuration files. 2023-09-24 07:43:50 +00:00
README.txt Docs: Remove double spaces in tests/phpunit/README.txt. 2022-04-29 13:31:48 +00:00
wp-mail-real-test.php Coding Standards: Remove superfluous blank lines at the end of various files. 2023-09-07 14:57:30 +00:00

The short version:

1. Create a clean MySQL database and user. DO NOT USE AN EXISTING DATABASE or you will lose data, guaranteed.

2. Copy wp-tests-config-sample.php to wp-tests-config.php, edit it and include your database name/user/password.

3. $ svn up

4. Run the tests from the "trunk" directory:
   To execute a particular test:
      $ phpunit tests/phpunit/tests/test_case.php
   To execute all tests:
      $ phpunit

Notes:

Test cases live in the 'tests' subdirectory. All files in that directory will be included by default. Extend the WP_UnitTestCase class to ensure your test is run.

phpunit will initialize and install a (more or less) complete running copy of WordPress each time it is run. This makes it possible to run functional interface and module tests against a fully working database and codebase, as opposed to pure unit tests with mock objects and stubs. Pure unit tests may be used also, of course.

Changes to the test database will be rolled back as tests are finished, to ensure a clean start next time the tests are run.

phpunit is intended to run at the command line, not via a web server.