FileManagedFileElementTest.php

<?php

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

use Drupal\FunctionalJavascriptTests\WebDriverTestBase;

/**
 * Tests the 'managed_file' element type.
 *
 * @group file
 */
class FileManagedFileElementTest extends WebDriverTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'file',
    'file_module_test',
    'field_ui',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * A user with administration permissions.
   *
   * @var \Drupal\user\UserInterface
   */
  protected $adminUser;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->adminUser = $this->drupalCreateUser([
      'access content',
      'access administration pages',
      'administer site configuration',
      'administer users',
      'administer permissions',
      'administer content types',
      'administer node fields',
      'administer node display',
      'administer nodes',
      'bypass node access',
    ]);
    $this->drupalLogin($this->adminUser);
    $this->drupalCreateContentType([
      'type' => 'article',
      'name' => 'Article',
    ]);
  }
  
  /**
   * Tests the managed_file element type.
   */
  public function testManagedFile() : void {
    // Perform the tests with all permutations of $form['#tree'],
    // $element['#extended'], and $element['#multiple'].
    $filename = \Drupal::service('file_system')->tempnam('temporary://', "testManagedFile") . '.txt';
    file_put_contents($filename, $this->randomString(128));
    foreach ([
      0,
      1,
    ] as $tree) {
      foreach ([
        0,
        1,
      ] as $extended) {
        foreach ([
          0,
          1,
        ] as $multiple) {
          $path = 'file/test/' . $tree . '/' . $extended . '/' . $multiple;
          $input_base_name = $tree ? 'nested_file' : 'file';
          $file_field_name = $multiple ? 'files[' . $input_base_name . '][]' : 'files[' . $input_base_name . ']';
          // Now, test the Upload and Remove buttons, with Ajax.
          // Upload, then Submit.
          $last_fid_prior = $this->getLastFileId();
          $this->drupalGet($path);
          $this->getSession()
            ->getPage()
            ->attachFileToField($file_field_name, $this->container
            ->get('file_system')
            ->realpath($filename));
          $uploaded_file = $this->assertSession()
            ->waitForElement('css', '.file--mime-text-plain');
          $this->assertNotEmpty($uploaded_file);
          $last_fid = $this->getLastFileId();
          $this->assertGreaterThan($last_fid_prior, $last_fid, 'New file got uploaded.');
          $this->submitForm([], 'Save');
          // Remove, then Submit.
          $remove_button_title = $multiple ? 'Remove selected' : 'Remove';
          $this->drupalGet($path . '/' . $last_fid);
          if ($multiple) {
            $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $last_fid . '][selected]';
            $this->getSession()
              ->getPage()
              ->checkField($selected_checkbox);
          }
          $this->getSession()
            ->getPage()
            ->pressButton($remove_button_title);
          $this->assertSession()
            ->assertWaitOnAjaxRequest();
          $this->submitForm([], 'Save');
          $this->assertSession()
            ->pageTextContains('The file ids are .');
          // Upload, then Remove, then Submit.
          $this->drupalGet($path);
          $this->getSession()
            ->getPage()
            ->attachFileToField($file_field_name, $this->container
            ->get('file_system')
            ->realpath($filename));
          $uploaded_file = $this->assertSession()
            ->waitForElement('css', '.file--mime-text-plain');
          $this->assertNotEmpty($uploaded_file);
          if ($multiple) {
            $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $this->getLastFileId() . '][selected]';
            $this->getSession()
              ->getPage()
              ->checkField($selected_checkbox);
          }
          $this->getSession()
            ->getPage()
            ->pressButton($remove_button_title);
          $this->assertSession()
            ->assertWaitOnAjaxRequest();
          $this->submitForm([], 'Save');
          $this->assertSession()
            ->pageTextContains('The file ids are .');
        }
      }
    }
  }
  
  /**
   * Retrieves the fid of the last inserted file.
   */
  protected function getLastFileId() {
    return (int) \Drupal::entityQueryAggregate('file')->accessCheck(FALSE)
      ->aggregate('fid', 'max')
      ->execute()[0]['fid_max'];
  }

}