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<title>[54479] trunk/tests/phpunit/tests: Tests: Relocate the tests for recommended PHP, MySQL, and MariaDB versions.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/54479">54479</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/54479","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-10-11 14:25:47 +0000 (Tue, 11 Oct 2022)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Tests: Relocate the tests for recommended PHP, MySQL, and MariaDB versions.

This commit moves the tests for recommended versions of dependencies referenced in `readme.html` to a new location for better context. Also updates test class name for clarity, and `@covers` annotations to `@coversNothing`.

Follow-up to <a href="https://core.trac.wordpress.org/changeset/26166">[26166]</a>, <a href="https://core.trac.wordpress.org/changeset/33946">[33946]</a>, <a href="https://core.trac.wordpress.org/changeset/35172">[35172]</a>, <a href="https://core.trac.wordpress.org/changeset/52418">[52418]</a>, <a href="https://core.trac.wordpress.org/changeset/52424">[52424]</a>.

Props ironprogrammer, bbobnis, antonvlasenko, azaozz, chaion07, priyomukul.
Fixes <a href="https://core.trac.wordpress.org/ticket/45867">#45867</a>.</pre>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsphpunittestsreadmephp">trunk/tests/phpunit/tests/readme.php</a></li>
</ul>

<h3>Removed Paths</h3>
<ul>
<li>trunk/tests/phpunit/tests/external-http/</li>
</ul>

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<h3>Diff</h3>
<a id="trunktestsphpunittestsreadmephpfromrev54478trunktestsphpunittestsexternalhttpbasicphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/tests/phpunit/tests/readme.php (from rev 54478, trunk/tests/phpunit/tests/external-http/basic.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/readme.php                              (rev 0)
+++ trunk/tests/phpunit/tests/readme.php        2022-10-11 14:25:47 UTC (rev 54479)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,120 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Validate recommended versions for dependencies referenced in `readme.html`,
+ * based on external site support pages.
+ *
+ * @group external-http
+ */
+class Tests_Readme extends WP_UnitTestCase {
+
+       /**
+        * @coversNothing
+        */
+       public function test_readme_php_version() {
+               $this->markTestSkipped(
+                       'Temporarily disabled. Test should be re-enabled once WordPress is fully compatible with PHP 8.0+.'
+               );
+
+               // This test is designed to only run on trunk.
+               $this->skipOnAutomatedBranches();
+
+               $readme = file_get_contents( ABSPATH . 'readme.html' );
+
+               preg_match( '#Recommendations.*PHP</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+               $response_body = $this->get_response_body( 'https://www.php.net/supported-versions.php' );
+
+               preg_match_all( '#<tr class="stable">\s*<td>\s*<a [^>]*>\s*([0-9.]*)#s', $response_body, $php_matches );
+
+               $this->assertContains( $matches[1], $php_matches[1], "readme.html's Recommended PHP version is too old. Remember to update the WordPress.org Requirements page, too." );
+       }
+
+       /**
+        * @coversNothing
+        */
+       public function test_readme_mysql_version() {
+               // This test is designed to only run on trunk.
+               $this->skipOnAutomatedBranches();
+
+               $readme = file_get_contents( ABSPATH . 'readme.html' );
+
+               preg_match( '#Recommendations.*MySQL</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+               $response_body = $this->get_response_body( "https://dev.mysql.com/doc/relnotes/mysql/{$matches[1]}/en/" );
+
+               // Retrieve the date of the first GA release for the recommended branch.
+               preg_match( '#.*(\d{4}-\d{2}-\d{2}), General Availability#s', $response_body, $mysql_matches );
+
+               /*
+                * Per https://www.mysql.com/support/, Oracle actively supports MySQL releases for 5 years from GA release.
+                *
+                * The currently recommended MySQL 5.7 branch moved from active support to extended support on 2020-10-21.
+                * As WordPress core is not fully compatible with MySQL 8.0 at this time, the "supported" period here
+                * is increased to 8 years to include extended support.
+                *
+                * TODO: Reduce this back to 5 years once MySQL 8.0 compatibility is achieved.
+                */
+               $mysql_eol    = gmdate( 'Y-m-d', strtotime( $mysql_matches[1] . ' +8 years' ) );
+               $current_date = gmdate( 'Y-m-d' );
+
+               $this->assertLessThan( $mysql_eol, $current_date, "readme.html's Recommended MySQL version is too old. Remember to update the WordPress.org Requirements page, too." );
+       }
+
+       /**
+        * @coversNothing
+        */
+       public function test_readme_mariadb_version() {
+               // This test is designed to only run on trunk.
+               $this->skipOnAutomatedBranches();
+
+               $readme = file_get_contents( ABSPATH . 'readme.html' );
+
+               preg_match( '#Recommendations.*MariaDB</a> version <strong>([0-9.]*)#s', $readme, $matches );
+               $matches[1] = str_replace( '.', '', $matches[1] );
+
+               $response_body = $this->get_response_body( "https://mariadb.com/kb/en/release-notes-mariadb-{$matches[1]}-series/" );
+
+               // Retrieve the date of the first stable release for the recommended branch.
+               preg_match( '#.*Stable.*?(\d{2} [A-Za-z]{3} \d{4})#s', $response_body, $mariadb_matches );
+
+               // Per https://mariadb.org/about/#maintenance-policy, MariaDB releases are supported for 5 years.
+               $mariadb_eol  = gmdate( 'Y-m-d', strtotime( $mariadb_matches[1] . ' +5 years' ) );
+               $current_date = gmdate( 'Y-m-d' );
+
+               $this->assertLessThan( $mariadb_eol, $current_date, "readme.html's Recommended MariaDB version is too old. Remember to update the WordPress.org Requirements page, too." );
+       }
+
+       /**
+        * Helper function to retrieve the response body or skip the test on HTTP timeout.
+        *
+        * @param string $url The URL to retrieve the response from.
+        * @return string The response body.
+        */
+       public function get_response_body( $url ) {
+               $response = wp_remote_get( $url );
+
+               $this->skipTestOnTimeout( $response );
+
+               $response_code = wp_remote_retrieve_response_code( $response );
+               $response_body = wp_remote_retrieve_body( $response );
+
+               if ( 200 !== $response_code ) {
+                       $parsed_url = parse_url( $url );
+
+                       $error_message = sprintf(
+                               'Could not contact %1$s to check versions. Response code: %2$s. Response body: %3$s',
+                               $parsed_url['host'],
+                               $response_code,
+                               $response_body
+                       );
+
+                       if ( 503 === $response_code ) {
+                               $this->markTestSkipped( $error_message );
+                       }
+
+                       $this->fail( $error_message );
+               }
+
+               return $response_body;
+       }
+}
</ins></span></pre>
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