Issue #3109284 by prudloff: locale_translation queue loop

          }

        }

      }

      elseif ($source->type == LOCALE_TRANSLATION_CURRENT) {

        /*

         * This can happen if the locale_translation_batch_fetch_import

         * batch was interrupted

         * and the translation was imported by another batch.

         */

        $context['message'] = t('Ignoring already imported translation for %project.', ['%project' => $source->project]);

        $context['finished'] = 1;

      }

    }

  }

}

<?php

declare(strict_types=1);

namespace Drupal\Tests\locale\Kernel;

use Drupal\KernelTests\KernelTestBase;

/**

 * Tests locale batches.

 *

 * @group locale

 */

class LocaleBatchTest extends KernelTestBase {

  /**

   * {@inheritdoc}

   */

  protected static $modules = [

    'locale',

    'system',

    'language',

  ];

  /**

   * Checks that the import batch finishes if the translation has already been imported.

   */

  public function testBuildProjects(): void {

    $this->installConfig(['locale']);

    $this->installSchema('locale', ['locale_file']);

    $this->container->get('module_handler')->loadInclude('locale', 'batch.inc');

    \Drupal::database()->insert('locale_file')

      ->fields([

        'project' => 'drupal',

        'langcode' => 'en',

        'filename' => 'drupal.po',

        'version' => \Drupal::VERSION,

        'timestamp' => time(),

      ])

      ->execute();

    $context = [];

    locale_translation_batch_fetch_import('drupal', 'en', [], $context);

    $this->assertEquals(1, $context['finished']);

    $this->assertEquals('Ignoring already imported translation for drupal.', $context['message']);

  }

}