Reintroduce test removed in #45993.

phpunit/get-global-styles-and-settings-test.php

@@ -7,6 +7,21 @@
 
 class WP_Get_Global_Styles_And_Settings_Test extends WP_UnitTestCase {
 
+	/**
+	 * Administrator ID.
+	 *
+	 * @var int
+	 */
+	private static $administrator_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$administrator_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		self::delete_user( self::$administrator_id );
+	}
+
 	public function test_wp_theme_use_persistent_cache() {
 		$expected_default = ! in_array( wp_get_environment_type(), array( 'local', 'development' ), true );
 
@@ -18,4 +33,33 @@ public function test_wp_theme_use_persistent_cache() {
 		add_filter( 'wp_theme_use_persistent_cache', '__return_false' );
 		$this->assertFalse( wp_theme_use_persistent_cache() );
 	}
+
+	public function test_global_styles_user_cpt_change_invalidates_cached_stylesheet() {
+		$this->override_theme_root( realpath( DIR_TESTDATA . '/themedir1' ) );
+		add_filter( 'wp_theme_use_persistent_cache', '__return_true' );
+		switch_theme( 'block-theme' );
+		wp_set_current_user( self::$administrator_id );
+
+		$styles = gutenberg_get_global_stylesheet();
+		$this->assertStringNotContainsString( 'background-color: hotpink;', $styles );
+
+		$user_cpt                                = WP_Theme_JSON_Resolver_Gutenberg::get_user_data_from_wp_global_styles( wp_get_theme(), true );
+		$config                                  = json_decode( $user_cpt['post_content'], true );
+		$config['styles']['color']['background'] = 'hotpink';
+		$user_cpt['post_content']                = wp_json_encode( $config );
+
+		wp_update_post( $user_cpt, true, false );
+
+		$styles = gutenberg_get_global_stylesheet();
+		$this->assertStringContainsString( 'background-color: hotpink;', $styles );
+	}
+
+	public function override_theme_root( $theme_root ) {
+		$override = function() use ( $theme_root ) {
+			return $theme_root;
+		};
+		add_filter( 'theme_root', $override );
+		add_filter( 'stylesheet_root', $override );
+		add_filter( 'template_root', $override );
+	}
 }