function FileManagedFileElementTest::testManagedFile

Tests the managed_file element type.

File

core/modules/file/tests/src/Functional/FileManagedFileElementTest.php, line 28

Class

FileManagedFileElementTest

Tests the 'managed_file' element type.

Namespace

Code

public function testManagedFile() : void {
  // Check that $element['#size'] is passed to the child upload element.
  $this->drupalGet('file/test');
  $field = $this->assertSession()
    ->fieldExists("files[nested_file]");
  $this->assertEquals(13, $field->getAttribute('size'));
  // Perform the tests with all permutations of $form['#tree'],
  // $element['#extended'], and $element['#multiple'].
  $test_file = $this->getTestFile('text');
  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 . ']';
        $this->drupalGet($path);
        // Ensure the aria-describedby relationship works as expected.
        $input_id = Html::getId('edit_' . $input_base_name);
        $this->assertSession()
          ->elementExists('css', '#' . $input_id . '--description');
        $this->assertSession()
          ->elementExists('css', '[aria-describedby="' . $input_id . '--description"]');
        // Submit without a file.
        $this->submitForm([], 'Save');
        $this->assertSession()
          ->pageTextContains("The file ids are .");
        // Submit with a file, but with an invalid form token. Ensure the file
        // was not saved.
        $last_fid_prior = $this->getLastFileId();
        $this->drupalGet($path);
        $form_token_field = $this->assertSession()
          ->hiddenFieldExists('form_token');
        $form_token_field->setValue('invalid token');
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->submitForm($edit, 'Save');
        $this->assertSession()
          ->pageTextContains('The form has become outdated.');
        $last_fid = $this->getLastFileId();
        $this->assertEquals($last_fid_prior, $last_fid, 'File was not saved when uploaded with an invalid form token.');
        // Submit a new file, without using the Upload button.
        $last_fid_prior = $this->getLastFileId();
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->drupalGet($path);
        $this->submitForm($edit, 'Save');
        $last_fid = $this->getLastFileId();
        $this->assertGreaterThan($last_fid_prior, $last_fid, 'New file got saved.');
        $this->assertSession()
          ->pageTextContains("The file ids are {$last_fid}.");
        // Submit no new input, but with a default file.
        $this->drupalGet($path . '/' . $last_fid);
        $this->submitForm([], 'Save');
        $this->assertSession()
          ->pageTextContains("The file ids are {$last_fid}.");
        // Upload, then Submit.
        $last_fid_prior = $this->getLastFileId();
        $this->drupalGet($path);
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->submitForm($edit, 'Upload');
        $last_fid = $this->getLastFileId();
        $this->assertGreaterThan($last_fid_prior, $last_fid, 'New file got uploaded.');
        $this->submitForm([], 'Save');
        $this->assertSession()
          ->pageTextContains("The file ids are {$last_fid}.");
        // Remove, then Submit.
        $remove_button_title = $multiple ? 'Remove selected' : 'Remove';
        $remove_edit = [];
        if ($multiple) {
          $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $last_fid . '][selected]';
          $remove_edit = [
            $selected_checkbox => '1',
          ];
        }
        $this->drupalGet($path . '/' . $last_fid);
        $this->submitForm($remove_edit, $remove_button_title);
        $this->submitForm([], 'Save');
        $this->assertSession()
          ->pageTextContains("The file ids are .");
        // Upload, then Remove, then Submit.
        $this->drupalGet($path);
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->submitForm($edit, 'Upload');
        $remove_edit = [];
        if ($multiple) {
          $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $this->getLastFileId() . '][selected]';
          $remove_edit = [
            $selected_checkbox => '1',
          ];
        }
        $this->submitForm($remove_edit, $remove_button_title);
        $this->submitForm([], 'Save');
        $this->assertSession()
          ->pageTextContains("The file ids are .");
      }
    }
  }
  // The multiple file upload has additional conditions that need checking.
  $path = 'file/test/1/1/1';
  $edit = [
    'files[nested_file][]' => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
  ];
  $fid_list = [];
  $this->drupalGet($path);
  // Add a single file to the upload field.
  $this->submitForm($edit, 'Upload');
  $fid_list[] = $this->getLastFileId();
  $this->assertSession()
    ->fieldExists("nested[file][file_{$fid_list[0]}][selected]");
  // Add another file to the same upload field.
  $this->submitForm($edit, 'Upload');
  $fid_list[] = $this->getLastFileId();
  $this->assertSession()
    ->fieldExists("nested[file][file_{$fid_list[1]}][selected]");
  // Save the entire form.
  $this->submitForm([], 'Save');
  // Check that two files are saved into a single multiple file element.
  $this->assertSession()
    ->pageTextContains("The file ids are " . implode(',', $fid_list) . ".");
  // Delete only the first file.
  $edit = [
    'nested[file][file_' . $fid_list[0] . '][selected]' => '1',
  ];
  $this->drupalGet($path . '/' . implode(',', $fid_list));
  $this->submitForm($edit, 'Remove selected');
  // Check that the first file has been deleted but not the second.
  $this->assertSession()
    ->fieldNotExists("nested[file][file_{$fid_list[0]}][selected]");
  $this->assertSession()
    ->fieldExists("nested[file][file_{$fid_list[1]}][selected]");
}