AjaxFileManagedMultipleTest.php

<?php

namespace Drupal\Tests\file\FunctionalJavascript;

use Drupal\Core\Url;
use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
use Drupal\Tests\TestFileCreationTrait;

/**
 * Tests ajax upload to managed files.
 *
 * @group file
 */
class AjaxFileManagedMultipleTest extends WebDriverTestBase {
    use TestFileCreationTrait {
        getTestFiles as drupalGetTestFiles;
    }
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'file_test',
        'file',
        'file_module_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests if managed file form element works well with multiple files upload.
     */
    public function testMultipleFilesUpload() {
        $file_system = \Drupal::service('file_system');
        $file_storage = \Drupal::entityTypeManager()->getStorage('file');
        $page = $this->getSession()
            ->getPage();
        $this->drupalGet(Url::fromRoute('file_module_test.managed_test', [
            'multiple' => TRUE,
        ]));
        $paths = [];
        foreach (array_slice($this->drupalGetTestFiles('image'), 0, 2) as $image) {
            $paths[] = $image->filename;
            $page->attachFileToField('files[nested_file][]', $file_system->realpath($image->uri));
            $this->assertSession()
                ->assertWaitOnAjaxRequest();
        }
        // Save entire form.
        $page->pressButton('Save');
        $this->assertSession()
            ->pageTextContains('The file ids are 1,2.');
        $this->assertCount(2, $file_storage->loadByProperties([
            'filename' => $paths,
        ]));
    }

}