class DrupalSelenium2DriverTest

class DrupalSelenium2DriverTest extends WebDriverTestBase {
  use TestFileCreationTrait;
  use FileFieldCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'file',
    'field_ui',
    'entity_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $storage_settings = [
      'cardinality' => 3,
    ];
    $this->createFileField('field_file', 'entity_test', 'entity_test', $storage_settings);
    $this->drupalLogin($this->drupalCreateUser([
      'administer entity_test content',
      'access content',
    ]));
  }
  
  /**
   * Tests uploading remote files.
   */
  public function testGetRemoteFilePath() {
    $web_driver = $this->getSession()
      ->getDriver();
    $file_system = \Drupal::service('file_system');
    $entity = EntityTest::create();
    $entity->save();
    $files = array_slice($this->getTestFiles('text'), 0, 3);
    $real_paths = [];
    foreach ($files as $file) {
      $real_paths[] = $file_system->realpath($file->uri);
    }
    $remote_paths = [];
    foreach ($real_paths as $path) {
      $remote_paths[] = $web_driver->uploadFileAndGetRemoteFilePath($path);
    }
    // Tests that uploading multiple remote files works with remote path.
    $this->drupalGet($entity->toUrl('edit-form'));
    $multiple_field = $this->assertSession()
      ->elementExists('xpath', '//input[@multiple]');
    $multiple_field->setValue(implode("\n", $remote_paths));
    $this->assertSession()
      ->assertWaitOnAjaxRequest();
    $this->getSession()
      ->getPage()
      ->findButton('Save')
      ->click();
    $entity = EntityTest::load($entity->id());
    $this->assertCount(3, $entity->field_file);
  }

}