BrokenCacheUpdateTest.php

<?php

namespace Drupal\Tests\system\Functional\UpdateSystem;

use Drupal\Core\Database\Database;
use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\UpdatePathTestTrait;

/**
 * Ensures that a broken or out-of-date element info cache is not used.
 *
 * @group Update
 */
class BrokenCacheUpdateTest extends BrowserTestBase {
    use UpdatePathTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->ensureUpdatesToRun();
    }
    
    /**
     * Ensures that a broken or out-of-date element info cache is not used.
     */
    public function testUpdate() {
        $connection = Database::getConnection();
        // Create broken element info caches entries.
        $insert = $connection->upsert('cache_discovery');
        $insert->key('cid');
        $fields = [
            'cid' => 'element_info',
            'data' => 'BROKEN',
            'expire' => -1,
            'created' => '1549505157.144',
            'serialized' => 1,
            'tags' => '',
            'checksum' => 0,
        ];
        $insert->fields($fields);
        $fields['cid'] = 'element_info_build:claro';
        $fields['tags'] = 'element_info_build';
        $insert->values(array_values($fields));
        $fields['cid'] = 'element_info_build:stark';
        $insert->values(array_values($fields));
        $insert->execute();
        $this->runUpdates();
        // Caches should have been cleared at this point.
        $count = (int) $connection->select('cache_discovery')
            ->condition('cid', [
            'element_info',
            'element_info_build:claro',
            'element_info_build:stark',
        ], 'IN')
            ->countQuery()
            ->execute()
            ->fetchField();
        $this->assertSame(0, $count);
    }

}