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() : void {
        $web_driver = $this->getSession()
            ->getDriver();
        $this->assertInstanceOf(Selenium2Driver::class, $web_driver);
        $this->assertFalse($web_driver->isW3C(), 'Driver is not operating in W3C mode');
        $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);
    }

}