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wordpress-develop/tests/phpunit
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Jonny Harris 4baf0a1eda Comments: Improve WP_Comment_Query count query performance by setting 'order by' to 'none'. 
In cases where `WP_Comment_Query` or `get_comments` is employed with the 'count' parameter set to true, specify 'order by' as 'none'. Since these queries serve solely to determine the count of comments matching specific query parameters, the 'order by' clause becomes redundant and places unnecessary strain on the database server, resulting in slower query execution. Given that count queries are executed on every admin request to retrieve comment counts, this change enhances the performance of the wp-admin interface.

Props guss77, davidbaumwald, SergeyBiryukov, westonruter, peterwilsoncc, foliovision, hareesh-pillai, spacedmonkey.
Fixes #58368

git-svn-id: https://develop.svn.wordpress.org/trunk@56747 602fd350-edb4-49c9-b593-d223f7449a82
2023-09-29 17:11:21 +00:00
..
data Filesystem API: Add missing ZIP file for unzip tests. 2023-09-25 23:38:38 +00:00
includes Update editor related npm packages 2023-09-26 14:20:18 +00:00
tests Comments: Improve WP_Comment_Query count query performance by setting 'order by' to 'none'. 2023-09-29 17:11:21 +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

README.txt 

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.