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<title>[55572] trunk/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php: Tests: Rename test class and improve tests for wp_get_global_stylesheet().</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/55572">55572</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/55572","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>hellofromTonya</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-03-21 13:52:29 +0000 (Tue, 21 Mar 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'>Tests: Rename test class and improve tests for wp_get_global_stylesheet().

Changes include:
* Renames the test class to be compliant with test coding standards.
* Converts the test class to extend `WP_Theme_UnitTestCase` to reuse test fixtures.
* Implements data providers to encapsulate datasets and reduce code repetition.
* Adds a `@covers` annotation.
* Improves assertion messages to help with diagnosing failed tests.

Follow-up to <a href="https://core.trac.wordpress.org/changeset/55567">[55567]</a>, <a href="https://core.trac.wordpress.org/changeset/55148">[55148]</a>, <a href="https://core.trac.wordpress.org/changeset/52682">[52682]</a>, <a href="https://core.trac.wordpress.org/changeset/53916">[53916]</a>, [52675-52677].

Props costdev, hellofromTonya.
See <a href="https://core.trac.wordpress.org/ticket/57841">#57841</a>, <a href="https://core.trac.wordpress.org/ticket/57958">#57958</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunktestsphpunitteststhemewpGetGlobalStylesheetphp">trunk/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="trunktestsphpunitteststhemewpGetGlobalStylesheetphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php 2023-03-21 13:25:50 UTC (rev 55571)
+++ trunk/tests/phpunit/tests/theme/wpGetGlobalStylesheet.php   2023-03-21 13:52:29 UTC (rev 55572)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,216 +1,264 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+require_once __DIR__ . '/base.php';
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px">  * Tests wp_get_global_stylesheet().
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @group themes
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ *
+ * @covers ::wp_get_global_stylesheet
</ins><span class="cx" style="display: block; padding: 0 10px">  */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-class Tests_Theme_wpGetGlobalStylesheet extends WP_UnitTestCase {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+class Tests_Theme_WpGetGlobalStylesheet extends WP_Theme_UnitTestCase {
</ins><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">-         * Theme root directory.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * Flag to indicate whether to remove 'editor-font-sizes' theme support at tear_down().
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @var string
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @var bool
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        private $theme_root;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ private $remove_theme_support_at_teardown = false;
</ins><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">-         * Original theme directory.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * Flag to indicate whether to switch back to the default theme at tear down.
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @var string
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @var bool
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        private $orig_theme_dir;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ private $switch_to_default_theme_at_teardown = false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        public function set_up() {
-               parent::set_up();
-
-               $this->orig_theme_dir = $GLOBALS['wp_theme_directories'];
-               $this->theme_root     = realpath( DIR_TESTDATA . '/themedir1' );
-
-               // /themes is necessary as theme.php functions assume /themes is the root if there is only one root.
-               $GLOBALS['wp_theme_directories'] = array( WP_CONTENT_DIR . '/themes', $this->theme_root );
-
-               // Set up the new root.
-               add_filter( 'theme_root', array( $this, 'filter_set_theme_root' ) );
-               add_filter( 'stylesheet_root', array( $this, 'filter_set_theme_root' ) );
-               add_filter( 'template_root', array( $this, 'filter_set_theme_root' ) );
-
-               // Clear caches.
-               wp_clean_themes_cache();
-               unset( $GLOBALS['wp_themes'] );
-       }
-
</del><span class="cx" style="display: block; padding: 0 10px">         public function tear_down() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $GLOBALS['wp_theme_directories'] = $this->orig_theme_dir;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         // Reset the theme support.
+               if ( $this->remove_theme_support_at_teardown ) {
+                       $this->remove_theme_support_at_teardown = false;
+                       remove_theme_support( 'editor-font-sizes' );
+               }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                // Clear up the filters to modify the theme root.
-               remove_filter( 'theme_root', array( $this, 'filter_set_theme_root' ) );
-               remove_filter( 'stylesheet_root', array( $this, 'filter_set_theme_root' ) );
-               remove_filter( 'template_root', array( $this, 'filter_set_theme_root' ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( $this->switch_to_default_theme_at_teardown ) {
+                       $this->switch_to_default_theme_at_teardown = false;
+                       switch_theme( WP_DEFAULT_THEME );
+               }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                wp_clean_themes_cache();
-               unset( $GLOBALS['wp_themes'] );
-
</del><span class="cx" style="display: block; padding: 0 10px">                 parent::tear_down();
</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">-        public function filter_set_theme_root() {
-               return $this->theme_root;
-       }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * @ticket 54782
+        *
+        * @dataProvider data_should_conditionally_include_font_sizes
+        *
+        * @param array  $expected            Expected CSS for each font size.
+        * @param string $theme               The theme to switch to / use.
+        * @param array  $types               Optional. Types of styles to load. Default empty array.
+        * @param bool   $classic_has_presets Optional. Whether to apply presets for classic theme tests. Default false.
+        */
+       public function test_should_conditionally_include_font_sizes( array $expected, $theme, array $types = array(), $classic_has_presets = false ) {
+               $this->maybe_switch_theme( $theme );
+               $this->add_custom_font_sizes( $classic_has_presets );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        public function test_block_theme_using_variables() {
-               switch_theme( 'block-theme' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $styles = wp_get_global_stylesheet( $types );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $styles = wp_get_global_stylesheet( array( 'variables' ) );
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is 13px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is 36px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is 42px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--custom: 100px;', $styles, 'custom font size is 100px' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertStringContainsString( $expected['small'], $styles, 'The small font size should be included.' );
+               $this->assertStringContainsString( $expected['medium'], $styles, 'The medium font size should be included.' );
+               $this->assertStringContainsString( $expected['large'], $styles, 'The large font size should be included.' );
+               $this->assertStringContainsString( $expected['x-large'], $styles, 'The x-large font size should be included.' );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                switch_theme( WP_DEFAULT_THEME );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( 'default' !== $theme ) {
+                       $this->assertStringContainsString( $expected['custom'], $styles, 'The custom font size should be included.' );
+               }
</ins><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">-        public function test_block_theme_using_presets() {
-               switch_theme( 'block-theme' );
-
-               $styles = wp_get_global_stylesheet( array( 'presets' ) );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--custom: 100px;', $styles, 'custom font size is not present' );
-
-               switch_theme( WP_DEFAULT_THEME );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * Data provider.
+        *
+        * @return array[]
+        */
+       public function data_should_conditionally_include_font_sizes() {
+               return array(
+                       'block theme using defaults'                   => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                                       'custom'  => '--wp--preset--font-size--custom: 100px;',
+                               ),
+                               'theme'    => 'block-theme',
+                       ),
+                       'block theme using variables'                  => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                                       'custom'  => '--wp--preset--font-size--custom: 100px;',
+                               ),
+                               'theme'    => 'block-theme',
+                               'types'    => array( 'variables' ),
+                       ),
+                       'classic theme without presets using defaults' => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                               ),
+                               'theme'    => 'default',
+                       ),
+                       'classic theme without presets using variables' => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                               ),
+                               'theme'    => 'default',
+                               'types'    => array( 'variables' ),
+                       ),
+                       'classic theme with presets using defaults'    => array(
+                               'expected'            => array(
+                                       'small'   => '--wp--preset--font-size--small: 18px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 26.25px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                               ),
+                               'theme'               => 'default',
+                               'types'               => array(),
+                               'classic_has_presets' => true,
+                       ),
+                       'classic theme with presets using variables'   => array(
+                               'expected'            => array(
+                                       'small'   => '--wp--preset--font-size--small: 18px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 26.25px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                               ),
+                               'theme'               => 'default',
+                               'types'               => array( 'variables' ),
+                               'classic_has_presets' => true,
+                       ),
+               );
</ins><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">-        public function test_block_theme_using_defaults() {
-               switch_theme( 'block-theme' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * @ticket 54782
+        *
+        * @dataProvider data_should_not_conditionally_include_font_sizes
+        *
+        * @param array  $expected            Expected CSS for each font size.
+        * @param string $theme               The theme to switch to / use.
+        * @param array  $types               Optional. Types of styles to load. Default empty array.
+        * @param bool   $classic_has_presets Optional. Whether to apply presets for classic theme tests. Default false.
+        */
+       public function test_should_not_conditionally_include_font_sizes( array $expected, $theme, array $types = array(), $classic_has_presets = false ) {
+               $this->maybe_switch_theme( $theme );
+               $this->add_custom_font_sizes( $classic_has_presets );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $styles = wp_get_global_stylesheet();
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is 13px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is 36px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is 42px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--custom: 100px;', $styles, 'custom font size is 100px' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $styles = wp_get_global_stylesheet( $types );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                switch_theme( WP_DEFAULT_THEME );
-       }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertStringNotContainsString( $expected['small'], $styles, 'The small font size should not be included.' );
+               $this->assertStringNotContainsString( $expected['medium'], $styles, 'The medium font size should not be included.' );
+               $this->assertStringNotContainsString( $expected['large'], $styles, 'The large font size should not be included.' );
+               $this->assertStringNotContainsString( $expected['x-large'], $styles, 'The x-large font size should not be included.' );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        public function test_variables_in_classic_theme_with_no_presets_using_variables() {
-               $styles = wp_get_global_stylesheet( array( 'variables' ) );
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is 13px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is 36px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is 42px' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( 'default' !== $theme ) {
+                       $this->assertStringNotContainsString( $expected['custom'], $styles, 'The custom font size should not be included.' );
+               }
</ins><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">-        public function test_variables_in_classic_theme_with_no_presets_using_presets() {
-               $styles = wp_get_global_stylesheet( array( 'presets' ) );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is not present' );
-       }
-
-       public function test_variables_in_classic_theme_with_no_presets_using_defaults() {
-               $styles = wp_get_global_stylesheet();
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 13px', $styles, 'small font size is 13px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 36px', $styles, 'large font size is 36px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is 42px' );
-       }
-
-       public function test_variables_in_classic_theme_with_presets_using_variables() {
-               add_theme_support(
-                       'editor-font-sizes',
-                       array(
-                               array(
-                                       'name' => 'Small',
-                                       'size' => 18,
-                                       'slug' => 'small',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * Data provider.
+        *
+        * @return array[]
+        */
+       public function data_should_not_conditionally_include_font_sizes() {
+               return array(
+                       'block theme using presets'                   => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                                       'custom'  => '--wp--preset--font-size--custom: 100px;',
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                array(
-                                       'name' => 'Large',
-                                       'size' => 26.25,
-                                       'slug' => 'large',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'theme'    => 'block-theme',
+                               'types'    => array( 'presets' ),
+                       ),
+                       'classic theme without presets using presets' => array(
+                               'expected' => array(
+                                       'small'   => '--wp--preset--font-size--small: 13px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 36px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'theme'    => 'default',
+                               'types'    => array( 'presets' ),
+                       ),
+                       'classic theme with presets using presets'    => array(
+                               'expected'            => array(
+                                       'small'   => '--wp--preset--font-size--small: 18px',
+                                       'medium'  => '--wp--preset--font-size--medium: 20px',
+                                       'large'   => '--wp--preset--font-size--large: 26.25px',
+                                       'x-large' => '--wp--preset--font-size--x-large: 42px',
+                               ),
+                               'theme'               => 'default',
+                               'types'               => array( 'presets' ),
+                               'classic_has_presets' => true,
+                       ),
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-               $styles = wp_get_global_stylesheet( array( 'variables' ) );
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 18px', $styles, 'small font size is 18px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 26.25px', $styles, 'large font size is 26.25px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is 42px' );
-
-               remove_theme_support( 'editor-font-sizes' );
</del><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">-        public function test_variables_in_classic_theme_with_presets_using_presets() {
-               add_theme_support(
-                       'editor-font-sizes',
-                       array(
-                               array(
-                                       'name' => 'Small',
-                                       'size' => 18,
-                                       'slug' => 'small',
-                               ),
-                               array(
-                                       'name' => 'Large',
-                                       'size' => 26.25,
-                                       'slug' => 'large',
-                               ),
-                       )
-               );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * @ticket 56970
+        */
+       public function test_switching_themes_should_recalculate_stylesheet() {
+               $expected = '--wp--preset--font-size--custom: 100px;';
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $styles = wp_get_global_stylesheet( array( 'presets' ) );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--small: 18px', $styles, 'small font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--large: 26.25px', $styles, 'large font size is not present' );
-               $this->assertStringNotContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'x-large font size is not present' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $stylesheet_for_default_theme = wp_get_global_stylesheet();
+               $this->assertStringNotContainsString( $expected, $stylesheet_for_default_theme, 'Custom font size (100px) should not present for default theme' );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                remove_theme_support( 'editor-font-sizes' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->maybe_switch_theme( 'block-theme' );
+               $stylesheet_for_block_theme = wp_get_global_stylesheet();
+               $this->assertStringContainsString( $expected, $stylesheet_for_block_theme, 'Custom font size (100px) should be present for block theme' );
</ins><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">-        public function test_variables_in_classic_theme_with_presets_using_defaults() {
-               add_theme_support(
-                       'editor-font-sizes',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+        * Adds the 'editor-font-sizes' theme support with custom font sizes.
+        *
+        * @param bool $add_theme_support Whether to add the theme support.
+        * @param int  $small             Optional. Small font size in pixels. Default 18.
+        * @param int  $large             Optional. Large font size in pixels. Default 26.25.
+        */
+       private function add_custom_font_sizes( $add_theme_support, $small = 18, $large = 26.25 ) {
+               if ( ! $add_theme_support ) {
+                       return;
+               }
+
+               $args = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                         array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                array(
-                                       'name' => 'Small',
-                                       'size' => 18,
-                                       'slug' => 'small',
-                               ),
-                               array(
-                                       'name' => 'Large',
-                                       'size' => 26.25,
-                                       'slug' => 'large',
-                               ),
-                       )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'name' => 'Small',
+                               'size' => $small,
+                               'slug' => 'small',
+                       ),
+                       array(
+                               'name' => 'Large',
+                               'size' => $large,
+                               'slug' => 'large',
+                       ),
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-               $styles = wp_get_global_stylesheet();
-               $this->assertStringContainsString( '--wp--preset--font-size--small: 18px', $styles, 'small font size is 18px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--medium: 20px', $styles, 'medium font size is 20px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--large: 26.25px', $styles, 'large font size is 26.25px' );
-               $this->assertStringContainsString( '--wp--preset--font-size--x-large: 42px', $styles, 'small font size is 42px' );
-
-               remove_theme_support( 'editor-font-sizes' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         add_theme_support( 'editor-font-sizes', $args );
+               $this->remove_theme_support_at_teardown = true;
</ins><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">-         * Tests that switching themes recalculates the stylesheet.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * Switches the theme when not the 'default' theme.
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @ticket 56970
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @param string $theme Theme name to switch to.
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        public function test_switching_themes_should_recalculate_stylesheet() {
-               $stylesheet_for_default_theme = wp_get_global_stylesheet();
-               switch_theme( 'block-theme' );
-               $stylesheet_for_block_theme = wp_get_global_stylesheet();
-               switch_theme( WP_DEFAULT_THEME );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ private function maybe_switch_theme( $theme ) {
+               if ( 'default' === $theme ) {
+                       return;
+               }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->assertStringNotContainsString( '--wp--preset--font-size--custom: 100px;', $stylesheet_for_default_theme, 'custom font size (100px) not present for default theme' );
-               $this->assertStringContainsString( '--wp--preset--font-size--custom: 100px;', $stylesheet_for_block_theme, 'custom font size (100px) is present for block theme' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         switch_theme( $theme );
+               $this->switch_to_default_theme_at_teardown = true;
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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