MultipleFileUploadTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\file\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests multiple file upload.
 *
 * @group file
 */
class MultipleFileUploadTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'file',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $admin = $this->drupalCreateUser([
      'administer themes',
    ]);
    $this->drupalLogin($admin);
  }
  
  /**
   * Tests multiple file field with all file extensions.
   */
  public function testMultipleFileFieldWithAllFileExtensions() : void {
    $theme = 'test_theme_settings';
    \Drupal::service('theme_installer')->install([
      $theme,
    ]);
    $this->drupalGet("admin/appearance/settings/{$theme}");
    $edit = [];
    // Create few files with non-typical extensions.
    foreach ([
      'file1.wtf',
      'file2.wtf',
    ] as $i => $file) {
      $file_path = $this->root . "/sites/default/files/simpletest/{$file}";
      file_put_contents($file_path, 'File with non-default extension.', FILE_APPEND | LOCK_EX);
      $edit["files[multi_file][{$i}]"] = $file_path;
    }
    // @todo Replace after https://www.drupal.org/project/drupal/issues/2917885
    $this->drupalGet("admin/appearance/settings/{$theme}");
    $submit_xpath = $this->assertSession()
      ->buttonExists('Save configuration')
      ->getXpath();
    $client = $this->getSession()
      ->getDriver()
      ->getClient();
    $form = $client->getCrawler()
      ->filterXPath($submit_xpath)
      ->form();
    $client->request($form->getMethod(), $form->getUri(), $form->getPhpValues(), $edit);
    $page = $this->getSession()
      ->getPage();
    $this->assertStringNotContainsString('Only files with the following extensions are allowed', $page->getContent());
    $this->assertStringContainsString('The configuration options have been saved.', $page->getContent());
    $this->assertStringContainsString('file1.wtf', $page->getContent());
    $this->assertStringContainsString('file2.wtf', $page->getContent());
  }

}