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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/56979">56979</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/56979","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>joemcgill</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-10-20 19:33:59 +0000 (Fri, 20 Oct 2023)</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'>Themes: Make caches for block patterns clearable.

In <a href="https://core.trac.wordpress.org/changeset/56765">[56765]</a>, theme block pattern files were cached to a transient as a performance enhancement. However, transients are not easily clearable when caches are flushed on environments not using a persistent cache, which can lead to errors if the theme files are renamed, edited, or moved.

This changes the caching mechanism to use `wp_cache_set()` instead, and caches these values to the global group so they are still persistent on environments using an object cache, and will be cleared by a cache flush.

In addition, the helper `_wp_get_block_patterns` has been moved `WP_Theme::get_block_patterns` for consistency with other block related theme methods and cache helpers for these values, `WP_Theme::get_pattern_cache` and `WP_Theme::set_pattern_cache`, have been made private.

Relevant unit tests updated.

Props afercia, flixos90, mukesh27, joemcgill.
Merges <a href="https://core.trac.wordpress.org/changeset/56978">[56978]</a> to the 6.4 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/59633">#59633</a>. See <a href="https://core.trac.wordpress.org/ticket/59591">#59591</a>, <a href="https://core.trac.wordpress.org/ticket/59490">#59490</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches64srcwpincludesblockpatternsphp">branches/6.4/src/wp-includes/block-patterns.php</a></li>
<li><a href="#branches64srcwpincludesclasswpthemephp">branches/6.4/src/wp-includes/class-wp-theme.php</a></li>
<li><a href="#branches64testsphpunitteststhemewpGetGlobalStylesheetphp">branches/6.4/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#branches64testsphpunitteststhemewpThemeGetBlockPatternsphp">branches/6.4/tests/phpunit/tests/theme/wpThemeGetBlockPatterns.php</a></li>
</ul>

<h3>Removed Paths</h3>
<ul>
<li><a href="#branches64testsphpunittestsblockswpGetBlockPatternsphp">branches/6.4/tests/phpunit/tests/blocks/wpGetBlockPatterns.php</a></li>
</ul>

<h3>Property Changed</h3>
<ul>
<li><a href="#branches64">branches/6.4/</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/6.4
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/6.4 2023-10-20 19:06:46 UTC (rev 56978)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/6.4  2023-10-20 19:33:59 UTC (rev 56979)
</ins><a id="branches64"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/6.4</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/4.9:43557,43622
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/branches/5.8:51889
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/branches/5.8:51889
+/trunk:56978
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches64srcwpincludesblockpatternsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.4/src/wp-includes/block-patterns.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.4/src/wp-includes/block-patterns.php   2023-10-20 19:06:46 UTC (rev 56978)
+++ branches/6.4/src/wp-includes/block-patterns.php     2023-10-20 19:33:59 UTC (rev 56979)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -341,7 +341,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $registry = WP_Block_Patterns_Registry::get_instance();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        foreach ( $themes as $theme ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $patterns    = _wp_get_block_patterns( $theme );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $patterns    = $theme->get_block_patterns();
</ins><span class="cx" style="display: block; padding: 0 10px">                 $dirpath     = $theme->get_stylesheet_directory() . '/patterns/';
</span><span class="cx" style="display: block; padding: 0 10px">                $text_domain = $theme->get( 'TextDomain' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -387,170 +387,3 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'init', '_register_theme_block_patterns' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-/**
- * Gets block pattern data for a specified theme.
- * Each pattern is defined as a PHP file and defines
- *  its metadata using plugin-style headers. The minimum required definition is:
- *
- *      /**
- *       * Title: My Pattern
- *       * Slug: my-theme/my-pattern
- *       *
- *
- *  The output of the PHP source corresponds to the content of the pattern, e.g.:
- *
- *      <main><p><?php echo "Hello"; ?></p></main>
- *
- *  If applicable, this will collect from both parent and child theme.
- *
- *  Other settable fields include:
- *
- *    - Description
- *    - Viewport Width
- *    - Inserter         (yes/no)
- *    - Categories       (comma-separated values)
- *    - Keywords         (comma-separated values)
- *    - Block Types      (comma-separated values)
- *    - Post Types       (comma-separated values)
- *    - Template Types   (comma-separated values)
- *
- * @since 6.4.0
- * @access private
- *
- * @param WP_Theme $theme Theme object.
- * @return array Block pattern data.
- */
-function _wp_get_block_patterns( WP_Theme $theme ) {
-       $can_use_cached = ! wp_is_development_mode( 'theme' );
-
-       $pattern_data = $theme->get_pattern_cache();
-       if ( is_array( $pattern_data ) ) {
-               if ( $can_use_cached ) {
-                       return $pattern_data;
-               }
-               // If in development mode, clear pattern cache.
-               $theme->delete_pattern_cache();
-       }
-
-       $dirpath      = $theme->get_stylesheet_directory() . '/patterns/';
-       $pattern_data = array();
-
-       if ( ! file_exists( $dirpath ) ) {
-               if ( $can_use_cached ) {
-                       $theme->set_pattern_cache( $pattern_data );
-               }
-               return $pattern_data;
-       }
-       $files = glob( $dirpath . '*.php' );
-       if ( ! $files ) {
-               if ( $can_use_cached ) {
-                       $theme->set_pattern_cache( $pattern_data );
-               }
-               return $pattern_data;
-       }
-
-       $default_headers = array(
-               'title'         => 'Title',
-               'slug'          => 'Slug',
-               'description'   => 'Description',
-               'viewportWidth' => 'Viewport Width',
-               'inserter'      => 'Inserter',
-               'categories'    => 'Categories',
-               'keywords'      => 'Keywords',
-               'blockTypes'    => 'Block Types',
-               'postTypes'     => 'Post Types',
-               'templateTypes' => 'Template Types',
-       );
-
-       $properties_to_parse = array(
-               'categories',
-               'keywords',
-               'blockTypes',
-               'postTypes',
-               'templateTypes',
-       );
-
-       foreach ( $files as $file ) {
-               $pattern = get_file_data( $file, $default_headers );
-
-               if ( empty( $pattern['slug'] ) ) {
-                       _doing_it_wrong(
-                               __FUNCTION__,
-                               sprintf(
-                                       /* translators: 1: file name. */
-                                       __( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ),
-                                       $file
-                               ),
-                               '6.0.0'
-                       );
-                       continue;
-               }
-
-               if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern['slug'] ) ) {
-                       _doing_it_wrong(
-                               __FUNCTION__,
-                               sprintf(
-                                       /* translators: 1: file name; 2: slug value found. */
-                                       __( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ),
-                                       $file,
-                                       $pattern['slug']
-                               ),
-                               '6.0.0'
-                       );
-               }
-
-               // Title is a required property.
-               if ( ! $pattern['title'] ) {
-                       _doing_it_wrong(
-                               __FUNCTION__,
-                               sprintf(
-                                       /* translators: 1: file name. */
-                                       __( 'Could not register file "%s" as a block pattern ("Title" field missing)' ),
-                                       $file
-                               ),
-                               '6.0.0'
-                       );
-                       continue;
-               }
-
-               // For properties of type array, parse data as comma-separated.
-               foreach ( $properties_to_parse as $property ) {
-                       if ( ! empty( $pattern[ $property ] ) ) {
-                               $pattern[ $property ] = array_filter( wp_parse_list( (string) $pattern[ $property ] ) );
-                       } else {
-                               unset( $pattern[ $property ] );
-                       }
-               }
-
-               // Parse properties of type int.
-               $property = 'viewportWidth';
-               if ( ! empty( $pattern[ $property ] ) ) {
-                       $pattern[ $property ] = (int) $pattern[ $property ];
-               } else {
-                       unset( $pattern[ $property ] );
-               }
-
-               // Parse properties of type bool.
-               $property = 'inserter';
-               if ( ! empty( $pattern[ $property ] ) ) {
-                       $pattern[ $property ] = in_array(
-                               strtolower( $pattern[ $property ] ),
-                               array( 'yes', 'true' ),
-                               true
-                       );
-               } else {
-                       unset( $pattern[ $property ] );
-               }
-
-               $key = str_replace( $dirpath, '', $file );
-
-               $pattern_data[ $key ] = $pattern;
-       }
-
-       if ( $can_use_cached ) {
-               $theme->set_pattern_cache( $pattern_data );
-       }
-
-       return $pattern_data;
-}
</del></span></pre></div>
<a id="branches64srcwpincludesclasswpthemephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.4/src/wp-includes/class-wp-theme.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.4/src/wp-includes/class-wp-theme.php   2023-10-20 19:06:46 UTC (rev 56978)
+++ branches/6.4/src/wp-includes/class-wp-theme.php     2023-10-20 19:33:59 UTC (rev 56979)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -845,48 +845,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * Gets block pattern cache.
-        *
-        * @since 6.4.0
-        *
-        * @return array|false Returns an array of patterns if cache is found, otherwise false.
-        */
-       public function get_pattern_cache() {
-               if ( ! $this->exists() ) {
-                       return false;
-               }
-               $pattern_data = get_transient( 'wp_theme_patterns_' . $this->stylesheet );
-               if ( is_array( $pattern_data ) && $pattern_data['version'] === $this->get( 'Version' ) ) {
-                       return $pattern_data['patterns'];
-               }
-               return false;
-       }
-
-       /**
-        * Sets block pattern cache.
-        *
-        * @since 6.4.0
-        *
-        * @param array $patterns Block patterns data to set in cache.
-        */
-       public function set_pattern_cache( array $patterns ) {
-               $pattern_data = array(
-                       'version'  => $this->get( 'Version' ),
-                       'patterns' => $patterns,
-               );
-               set_transient( 'wp_theme_patterns_' . $this->stylesheet, $pattern_data );
-       }
-
-       /**
-        * Clears block pattern cache.
-        *
-        * @since 6.4.0
-        */
-       public function delete_pattern_cache() {
-               delete_transient( 'wp_theme_patterns_' . $this->stylesheet );
-       }
-
-       /**
</del><span class="cx" style="display: block; padding: 0 10px">          * Gets a raw, unformatted theme header.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * The header is sanitized, but is not translated, and is not marked up for display.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1841,6 +1799,213 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * Gets block pattern data for a specified theme.
+        * Each pattern is defined as a PHP file and defines
+        * its metadata using plugin-style headers. The minimum required definition is:
+        *
+        *     /**
+        *      * Title: My Pattern
+        *      * Slug: my-theme/my-pattern
+        *      *
+        *
+        * The output of the PHP source corresponds to the content of the pattern, e.g.:
+        *
+        *     <main><p><?php echo "Hello"; ?></p></main>
+        *
+        * If applicable, this will collect from both parent and child theme.
+        *
+        * Other settable fields include:
+        *
+        *     - Description
+        *     - Viewport Width
+        *     - Inserter         (yes/no)
+        *     - Categories       (comma-separated values)
+        *     - Keywords         (comma-separated values)
+        *     - Block Types      (comma-separated values)
+        *     - Post Types       (comma-separated values)
+        *     - Template Types   (comma-separated values)
+        *
+        * @since 6.4.0
+        *
+        * @return array Block pattern data.
+        */
+       public function get_block_patterns() {
+               $can_use_cached = ! wp_is_development_mode( 'theme' );
+
+               $pattern_data = $this->get_pattern_cache();
+               if ( is_array( $pattern_data ) ) {
+                       if ( $can_use_cached ) {
+                               return $pattern_data;
+                       }
+                       // If in development mode, clear pattern cache.
+                       $this->delete_pattern_cache();
+               }
+
+               $dirpath      = $this->get_stylesheet_directory() . '/patterns/';
+               $pattern_data = array();
+
+               if ( ! file_exists( $dirpath ) ) {
+                       if ( $can_use_cached ) {
+                               $this->set_pattern_cache( $pattern_data );
+                       }
+                       return $pattern_data;
+               }
+               $files = glob( $dirpath . '*.php' );
+               if ( ! $files ) {
+                       if ( $can_use_cached ) {
+                               $this->set_pattern_cache( $pattern_data );
+                       }
+                       return $pattern_data;
+               }
+
+               $default_headers = array(
+                       'title'         => 'Title',
+                       'slug'          => 'Slug',
+                       'description'   => 'Description',
+                       'viewportWidth' => 'Viewport Width',
+                       'inserter'      => 'Inserter',
+                       'categories'    => 'Categories',
+                       'keywords'      => 'Keywords',
+                       'blockTypes'    => 'Block Types',
+                       'postTypes'     => 'Post Types',
+                       'templateTypes' => 'Template Types',
+               );
+
+               $properties_to_parse = array(
+                       'categories',
+                       'keywords',
+                       'blockTypes',
+                       'postTypes',
+                       'templateTypes',
+               );
+
+               foreach ( $files as $file ) {
+                       $pattern = get_file_data( $file, $default_headers );
+
+                       if ( empty( $pattern['slug'] ) ) {
+                               _doing_it_wrong(
+                                       __FUNCTION__,
+                                       sprintf(
+                                               /* translators: 1: file name. */
+                                               __( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ),
+                                               $file
+                                       ),
+                                       '6.0.0'
+                               );
+                               continue;
+                       }
+
+                       if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern['slug'] ) ) {
+                               _doing_it_wrong(
+                                       __FUNCTION__,
+                                       sprintf(
+                                               /* translators: 1: file name; 2: slug value found. */
+                                               __( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ),
+                                               $file,
+                                               $pattern['slug']
+                                       ),
+                                       '6.0.0'
+                               );
+                       }
+
+                       // Title is a required property.
+                       if ( ! $pattern['title'] ) {
+                               _doing_it_wrong(
+                                       __FUNCTION__,
+                                       sprintf(
+                                               /* translators: 1: file name. */
+                                               __( 'Could not register file "%s" as a block pattern ("Title" field missing)' ),
+                                               $file
+                                       ),
+                                       '6.0.0'
+                               );
+                               continue;
+                       }
+
+                       // For properties of type array, parse data as comma-separated.
+                       foreach ( $properties_to_parse as $property ) {
+                               if ( ! empty( $pattern[ $property ] ) ) {
+                                       $pattern[ $property ] = array_filter( wp_parse_list( (string) $pattern[ $property ] ) );
+                               } else {
+                                       unset( $pattern[ $property ] );
+                               }
+                       }
+
+                       // Parse properties of type int.
+                       $property = 'viewportWidth';
+                       if ( ! empty( $pattern[ $property ] ) ) {
+                               $pattern[ $property ] = (int) $pattern[ $property ];
+                       } else {
+                               unset( $pattern[ $property ] );
+                       }
+
+                       // Parse properties of type bool.
+                       $property = 'inserter';
+                       if ( ! empty( $pattern[ $property ] ) ) {
+                               $pattern[ $property ] = in_array(
+                                       strtolower( $pattern[ $property ] ),
+                                       array( 'yes', 'true' ),
+                                       true
+                               );
+                       } else {
+                               unset( $pattern[ $property ] );
+                       }
+
+                       $key = str_replace( $dirpath, '', $file );
+
+                       $pattern_data[ $key ] = $pattern;
+               }
+
+               if ( $can_use_cached ) {
+                       $this->set_pattern_cache( $pattern_data );
+               }
+
+               return $pattern_data;
+       }
+
+       /**
+        * Gets block pattern cache.
+        *
+        * @since 6.4.0
+        *
+        * @return array|false Returns an array of patterns if cache is found, otherwise false.
+        */
+       private function get_pattern_cache() {
+               if ( ! $this->exists() ) {
+                       return false;
+               }
+               $pattern_data = wp_cache_get( 'wp_theme_patterns_' . $this->stylesheet );
+               if ( is_array( $pattern_data ) && $pattern_data['version'] === $this->get( 'Version' ) ) {
+                       return $pattern_data['patterns'];
+               }
+               return false;
+       }
+
+       /**
+        * Sets block pattern cache.
+        *
+        * @since 6.4.0
+        *
+        * @param array $patterns Block patterns data to set in cache.
+        */
+       private function set_pattern_cache( array $patterns ) {
+               $pattern_data = array(
+                       'version'  => $this->get( 'Version' ),
+                       'patterns' => $patterns,
+               );
+               wp_cache_set( 'wp_theme_patterns_' . $this->stylesheet, $pattern_data );
+       }
+
+       /**
+        * Clears block pattern cache.
+        *
+        * @since 6.4.0
+        */
+       public function delete_pattern_cache() {
+               wp_cache_delete( 'wp_theme_patterns_' . $this->stylesheet );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Enables a theme for all sites on the current network.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 4.6.0
</span></span></pre></div>
<a id="branches64testsphpunittestsblockswpGetBlockPatternsphp"></a>
<div class="delfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Deleted: branches/6.4/tests/phpunit/tests/blocks/wpGetBlockPatterns.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.4/tests/phpunit/tests/blocks/wpGetBlockPatterns.php    2023-10-20 19:06:46 UTC (rev 56978)
+++ branches/6.4/tests/phpunit/tests/blocks/wpGetBlockPatterns.php      2023-10-20 19:33:59 UTC (rev 56979)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,153 +0,0 @@
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-<?php
-/**
- * Tests for _wp_get_block_patterns.
- *
- * @package WordPress
- * @subpackage Blocks
- * @since 6.4.0
- *
- * @group blocks
- *
- * @covers ::_wp_get_block_patterns
- */
-class Tests_Blocks_WpGetBlockPatterns extends WP_UnitTestCase {
-       /**
-        * @ticket 59490
-        *
-        * @dataProvider data_wp_get_block_patterns
-        *
-        * @param string $theme    The theme's slug.
-        * @param array  $expected The expected pattern data.
-        */
-       public function test_should_return_block_patterns( $theme, $expected ) {
-               $patterns = _wp_get_block_patterns( wp_get_theme( $theme ) );
-               $this->assertSameSets( $expected, $patterns );
-       }
-
-       /**
-        * @ticket 59490
-        */
-       public function test_delete_theme_cache() {
-               $theme = wp_get_theme( 'block-theme-patterns' );
-               _wp_get_block_patterns( $theme );
-               $this->assertSameSets(
-                       array(
-                               'cta.php' => array(
-                                       'title'       => 'Centered Call To Action',
-                                       'slug'        => 'block-theme-patterns/cta',
-                                       'description' => '',
-                                       'categories'  => array( 'call-to-action' ),
-                               ),
-                       ),
-                       $theme->get_pattern_cache(),
-                       'The transient for block theme patterns should be set'
-               );
-               $theme->delete_pattern_cache();
-               $this->assertFalse(
-                       $theme->get_pattern_cache(),
-                       'The transient for block theme patterns should have been cleared'
-               );
-       }
-
-       /**
-        * @ticket 59490
-        */
-       public function test_should_clear_transient_after_switching_theme() {
-               switch_theme( 'block-theme' );
-               $theme1 = wp_get_theme();
-               _wp_get_block_patterns( $theme1 );
-               $this->assertSameSets(
-                       array(),
-                       $theme1->get_pattern_cache(),
-                       'The transient for block theme should be set'
-               );
-               switch_theme( 'block-theme-patterns' );
-               $this->assertFalse( $theme1->get_pattern_cache(), 'Transient should not be set for block theme after switch theme' );
-               $theme2 = wp_get_theme();
-               $this->assertFalse( $theme2->get_pattern_cache(), 'Transient should not be set for block theme patterns before being requested' );
-               _wp_get_block_patterns( $theme2 );
-               $this->assertSameSets(
-                       array(
-                               'cta.php' => array(
-                                       'title'       => 'Centered Call To Action',
-                                       'slug'        => 'block-theme-patterns/cta',
-                                       'description' => '',
-                                       'categories'  => array( 'call-to-action' ),
-                               ),
-
-                       ),
-                       $theme2->get_pattern_cache(),
-                       'The transient for block theme patterns should be set'
-               );
-       }
-
-       /**
-        * Data provider.
-        *
-        * @return array[]
-        */
-       public function data_wp_get_block_patterns() {
-               return array(
-                       array(
-                               'theme'    => 'block-theme',
-                               'patterns' => array(),
-                       ),
-                       array(
-                               'theme'    => 'block-theme-child',
-                               'patterns' => array(),
-                       ),
-                       array(
-                               'theme'    => 'block-theme-patterns',
-                               'patterns' => array(
-                                       'cta.php' => array(
-                                               'title'       => 'Centered Call To Action',
-                                               'slug'        => 'block-theme-patterns/cta',
-                                               'description' => '',
-                                               'categories'  => array( 'call-to-action' ),
-                                       ),
-                               ),
-                       ),
-                       array(
-                               'theme'    => 'broken-theme',
-                               'patterns' => array(),
-                       ),
-                       array(
-                               'theme'    => 'invalid',
-                               'patterns' => array(),
-                       ),
-               );
-       }
-
-       /**
-        * Tests that _wp_get_block_patterns() clears existing transient when in theme development mode.
-        *
-        * @ticket 59591
-        */
-       public function test_should_clear_existing_transient_when_in_development_mode() {
-               $theme = wp_get_theme( 'block-theme-patterns' );
-
-               // Calling the function should set the cache.
-               _wp_get_block_patterns( $theme );
-               $this->assertSameSets(
-                       array(
-                               'cta.php' => array(
-                                       'title'       => 'Centered Call To Action',
-                                       'slug'        => 'block-theme-patterns/cta',
-                                       'description' => '',
-                                       'categories'  => array( 'call-to-action' ),
-                               ),
-                       ),
-                       $theme->get_pattern_cache(),
-                       'The transient for block theme patterns should be set'
-               );
-
-               // Calling the function while in theme development mode should clear the cache.
-               $GLOBALS['_wp_tests_development_mode'] = 'theme';
-               _wp_get_block_patterns( $theme );
-               unset( $GLOBALS['_wp_tests_development_mode'] ); // Reset to not pollute other tests.
-               $this->assertFalse(
-                       $theme->get_pattern_cache(),
-                       'The transient for block theme patterns should have been cleared due to theme development mode'
-               );
-       }
-}
</del></span></pre></div>
<a id="branches64testsphpunitteststhemewpGetGlobalStylesheetphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.4/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.4/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php  2023-10-20 19:06:46 UTC (rev 56978)
+++ branches/6.4/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php    2023-10-20 19:33:59 UTC (rev 56979)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -26,6 +26,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        private $switch_to_default_theme_at_teardown = false;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        public function tear_down() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                // Reset development mode after each test.
+               unset( $GLOBALS['_wp_tests_development_mode'] );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 // Reset the theme support.
</span><span class="cx" style="display: block; padding: 0 10px">                if ( $this->remove_theme_support_at_teardown ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->remove_theme_support_at_teardown = false;
</span></span></pre></div>
<a id="branches64testsphpunitteststhemewpThemeGetBlockPatternsphpfromrev56978trunktestsphpunitteststhemewpThemeGetBlockPatternsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: branches/6.4/tests/phpunit/tests/theme/wpThemeGetBlockPatterns.php (from rev 56978, trunk/tests/phpunit/tests/theme/wpThemeGetBlockPatterns.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.4/tests/phpunit/tests/theme/wpThemeGetBlockPatterns.php                                (rev 0)
+++ branches/6.4/tests/phpunit/tests/theme/wpThemeGetBlockPatterns.php  2023-10-20 19:33:59 UTC (rev 56979)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,198 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Tests for WP_Theme::get_block_patterns.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 6.4.0
+ *
+ * @group blocks
+ * @group themes
+ *
+ * @covers WP_Theme::get_block_patterns
+ */
+class Tests_Theme_WPThemeGetBlockPatterns extends WP_UnitTestCase {
+
+       public static function wpSetUpBeforeClass() {
+               // Ensure development mode is reset before running these tests.
+               unset( $GLOBALS['_wp_tests_development_mode'] );
+       }
+
+       public static function wpTearDownAfterClass() {
+               // Ensure development mode is reset after running these tests.
+               unset( $GLOBALS['_wp_tests_development_mode'] );
+       }
+
+       /**
+        * Test helper to access the private get_pattern_cache method of a theme.
+        *
+        * @param WP_Theme $wp_theme A WP_Theme object.
+        * @return array|false Returns an array of patterns if cache is found, otherwise false.
+        */
+       private function get_pattern_cache( $wp_theme ) {
+               $reflection = new ReflectionMethod( $wp_theme, 'get_pattern_cache' );
+               $reflection->setAccessible( true );
+
+               $pattern_cache = $reflection->invoke( $wp_theme, 'get_pattern_cache' );
+               $reflection->setAccessible( false );
+
+               return $pattern_cache;
+       }
+
+       /**
+        * @ticket 59490
+        *
+        * @dataProvider data_get_block_patterns
+        *
+        * @param string $theme_slug The theme's slug.
+        * @param array  $expected   The expected pattern data.
+        */
+       public function test_should_return_block_patterns( $theme_slug, $expected ) {
+               $theme    = wp_get_theme( $theme_slug );
+               $patterns = $theme->get_block_patterns();
+               $this->assertSameSets( $expected, $patterns );
+       }
+
+       /**
+        * @ticket 59490
+        *
+        * @covers WP_Theme::delete_pattern_cache
+        */
+       public function test_delete_pattern_cache() {
+               $theme = wp_get_theme( 'block-theme-patterns' );
+
+               $this->assertTrue( $theme->exists(), 'The test theme could not be found.' );
+
+               $theme->get_block_patterns();
+
+               $this->assertSameSets(
+                       array(
+                               'cta.php' => array(
+                                       'title'       => 'Centered Call To Action',
+                                       'slug'        => 'block-theme-patterns/cta',
+                                       'description' => '',
+                                       'categories'  => array( 'call-to-action' ),
+                               ),
+                       ),
+                       $this->get_pattern_cache( $theme ),
+                       'The cache for block theme patterns should match the expected.'
+               );
+               $theme->delete_pattern_cache();
+               $this->assertFalse(
+                       $this->get_pattern_cache( $theme ),
+                       'The cache for block theme patterns should have been cleared.'
+               );
+       }
+
+       /**
+        * @ticket 59490
+        */
+       public function test_should_clear_cache_after_switching_theme() {
+               switch_theme( 'block-theme' );
+               $theme1 = wp_get_theme();
+
+               $this->assertTrue( $theme1->exists(), 'The block-theme test theme could not be found.' );
+
+               $theme1->get_block_patterns();
+               $this->assertSameSets(
+                       array(),
+                       $this->get_pattern_cache( $theme1 ),
+                       'The cache for block theme should be empty.'
+               );
+
+               switch_theme( 'block-theme-patterns' );
+
+               $theme2 = wp_get_theme();
+               $this->assertTrue( $theme2->exists(), 'The block-theme-patterns test theme could not be found.' );
+
+               $this->assertFalse( $this->get_pattern_cache( $theme1 ), 'Cache should not be set for block theme after switch theme.' );
+               $this->assertFalse( $this->get_pattern_cache( $theme2 ), 'Cache should not be set for block theme patterns before being requested.' );
+
+               $theme2->get_block_patterns( $theme2 );
+               $this->assertSameSets(
+                       array(
+                               'cta.php' => array(
+                                       'title'       => 'Centered Call To Action',
+                                       'slug'        => 'block-theme-patterns/cta',
+                                       'description' => '',
+                                       'categories'  => array( 'call-to-action' ),
+                               ),
+
+                       ),
+                       $this->get_pattern_cache( $theme2 ),
+                       'The cache for block theme patterns should match the expected.'
+               );
+       }
+
+       /**
+        * Data provider.
+        *
+        * @return array[]
+        */
+       public function data_get_block_patterns() {
+               return array(
+                       array(
+                               'theme'    => 'block-theme',
+                               'patterns' => array(),
+                       ),
+                       array(
+                               'theme'    => 'block-theme-child',
+                               'patterns' => array(),
+                       ),
+                       array(
+                               'theme'    => 'block-theme-patterns',
+                               'patterns' => array(
+                                       'cta.php' => array(
+                                               'title'       => 'Centered Call To Action',
+                                               'slug'        => 'block-theme-patterns/cta',
+                                               'description' => '',
+                                               'categories'  => array( 'call-to-action' ),
+                                       ),
+                               ),
+                       ),
+                       array(
+                               'theme'    => 'broken-theme',
+                               'patterns' => array(),
+                       ),
+                       array(
+                               'theme'    => 'invalid',
+                               'patterns' => array(),
+                       ),
+               );
+       }
+
+       /**
+        * Tests that WP_Theme::get_block_patterns() clears existing cache when in theme development mode.
+        *
+        * @ticket 59591
+        */
+       public function test_should_clear_existing_cache_when_in_development_mode() {
+               $theme = wp_get_theme( 'block-theme-patterns' );
+
+               $this->assertTrue( $theme->exists(), 'The test theme could not be found.' );
+
+               // Calling the function should set the cache.
+               $theme->get_block_patterns();
+               $this->assertSameSets(
+                       array(
+                               'cta.php' => array(
+                                       'title'       => 'Centered Call To Action',
+                                       'slug'        => 'block-theme-patterns/cta',
+                                       'description' => '',
+                                       'categories'  => array( 'call-to-action' ),
+                               ),
+                       ),
+                       $this->get_pattern_cache( $theme ),
+                       'The cache for block theme patterns should be set.'
+               );
+
+               // Calling the function while in theme development mode should clear the cache.
+               $GLOBALS['_wp_tests_development_mode'] = 'theme';
+               $theme->get_block_patterns( $theme );
+               unset( $GLOBALS['_wp_tests_development_mode'] ); // Reset to not pollute other tests.
+               $this->assertFalse(
+                       $this->get_pattern_cache( $theme ),
+                       'The cache for block theme patterns should have been cleared due to theme development mode.'
+               );
+       }
+}
</ins></span></pre>
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