class FeedLanguageTest

class FeedLanguageTest extends AggregatorTestBase {
  use CronRunTrait;
  
  /**
   * Modules to install.
   *
   * @var array
   */
  protected static $modules = [
    'language',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * List of langcodes.
   *
   * @var string[]
   */
  protected $langcodes = [];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Create test languages.
    $this->langcodes = [
      ConfigurableLanguage::load('en'),
    ];
    for ($i = 1; $i < 3; ++$i) {
      $language = ConfigurableLanguage::create([
        'id' => 'l' . $i,
        'label' => $this->randomString(),
      ]);
      $language->save();
      $this->langcodes[$i] = $language->id();
    }
  }
  
  /**
   * Tests creation of feeds with a language.
   */
  public function testFeedLanguage() {
    $admin_user = $this->drupalCreateUser([
      'administer languages',
      'access administration pages',
      'administer news feeds',
      'access news feeds',
      'create article content',
    ]);
    $this->drupalLogin($admin_user);
    // Enable language selection for feeds.
    $edit['entity_types[aggregator_feed]'] = TRUE;
    $edit['settings[aggregator_feed][aggregator_feed][settings][language][language_alterable]'] = TRUE;
    $this->drupalGet('admin/config/regional/content-language');
    $this->submitForm($edit, 'Save configuration');
    /** @var \Drupal\aggregator\FeedInterface[] $feeds */
    $feeds = [];
    // Create feeds.
    $feeds[1] = $this->createFeed(NULL, [
      'langcode[0][value]' => $this->langcodes[1],
    ]);
    $feeds[2] = $this->createFeed(NULL, [
      'langcode[0][value]' => $this->langcodes[2],
    ]);
    // Make sure that the language has been assigned.
    $this->assertEquals($this->langcodes[1], $feeds[1]->language()
      ->getId());
    $this->assertEquals($this->langcodes[2], $feeds[2]->language()
      ->getId());
    // Create example nodes to create feed items from and then update the feeds.
    $this->createSampleNodes();
    $this->cronRun();
    // Loop over the created feed items and verify that their language matches
    // the one from the feed.
    foreach ($feeds as $feed) {
      /** @var \Drupal\aggregator\ItemInterface[] $items */
      $items = \Drupal::entityTypeManager()->getStorage('aggregator_item')
        ->loadByProperties([
        'fid' => $feed->id(),
      ]);
      // Verify that the feed items were created.
      $this->assertNotEmpty($items);
      foreach ($items as $item) {
        $this->assertEquals($feed->language()
          ->getId(), $item->language()
          ->getId());
      }
    }
  }

}