Ticket #62354: fetchFeed.php

<?php
/**
 * Tests the `fetch_feed` function.
 *
 * @package WordPress
 * @subpackage UnitTests
 * @since 6.7.0
 *
 * @group feed
 */
class Tests_Feed_fetchFeed extends WP_UnitTestCase {

        public function set_up() {
                parent::set_up();

                add_filter( 'pre_http_request', array( $this, 'mocked_rss_response' ) );
        }

        /**
         * @ticket 62354
         */
        public function test_empty_charset_does_not_trigger_fatal_error() {
                add_filter( 'pre_option_blog_charset', '__return_empty_string', 20 );

                $feed = fetch_feed( 'https://wordpress.org/news/feed/' );
        }

        public function mocked_rss_response() {
                $single_value_headers = array(
                        'Content-Type' => 'application/rss+xml; charset=UTF-8',
                        'link'         => '<https://wordpress.org/news/wp-json/>; rel="https://api.w.org/"',
                );

                return array(
                        'headers'  => new WpOrg\Requests\Utility\CaseInsensitiveDictionary( $single_value_headers ),
                        'body'     => file_get_contents( DIR_TESTDATA . '/feed/wordpress-org-news.xml' ),
                        'response' => array(
                                'code'    => 200,
                                'message' => 'OK',
                        ),
                        'cookies'  => array(),
                        'filename' => null,
                );
        }
}