class FileManagedFileElementTest

class FileManagedFileElementTest extends FileFieldTestBase {
  public static function getInfo() {
    return array(
      'name' => 'Managed file element test',
      'description' => 'Tests the managed_file element type.',
      'group' => 'File',
    );
  }

  /**
   * Tests the managed_file element type.
   */
  function testManagedFile() {

    // Check that $element['#size'] is passed to the child upload element.
    $this
      ->drupalGet('file/test');
    $this
      ->assertFieldByXpath('//input[@name="files[nested_file]" and @size="13"]', NULL, 'The custom #size attribute is passed to the child upload element.');

    // Perform the tests with all permutations of $form['#tree'],
    // $element['#extended'], and $element['#multiple'].
    $test_file = $this
      ->getTestFile('text');
    foreach (array(
      0,
      1,
    ) as $tree) {
      foreach (array(
        0,
        1,
      ) as $extended) {
        foreach (array(
          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 . ']';

          // Submit without a file.
          $this
            ->drupalPost($path, array(), t('Save'));
          $this
            ->assertRaw(t('The file ids are %fids.', array(
            '%fids' => implode(',', array()),
          )), t('Submitted without a file.'));

          // Submit a new file, without using the Upload button.
          $last_fid_prior = $this
            ->getLastFileId();
          $edit = array(
            $file_field_name => drupal_realpath($test_file->uri),
          );
          $this
            ->drupalPost($path, $edit, t('Save'));
          $last_fid = $this
            ->getLastFileId();
          $this
            ->assertTrue($last_fid > $last_fid_prior, t('New file got saved.'));
          $this
            ->assertRaw(t('The file ids are %fids.', array(
            '%fids' => implode(',', array(
              $last_fid,
            )),
          )), t('Submit handler has correct file info.'));

          // Submit no new input, but with a default file.
          $this
            ->drupalPost($path . '/' . $last_fid, array(), t('Save'));
          $this
            ->assertRaw(t('The file ids are %fids.', array(
            '%fids' => implode(',', array(
              $last_fid,
            )),
          )), t('Empty submission did not change an existing file.'));

          // Now, test the Upload and Remove buttons, with and without Ajax.
          foreach (array(
            FALSE,
            TRUE,
          ) as $ajax) {

            // Upload, then Submit.
            $last_fid_prior = $this
              ->getLastFileId();
            $this
              ->drupalGet($path);
            $edit = array(
              $file_field_name => drupal_realpath($test_file->uri),
            );
            if ($ajax) {
              $this
                ->drupalPostAJAX(NULL, $edit, $input_base_name . '_upload_button');
            }
            else {
              $this
                ->drupalPost(NULL, $edit, t('Upload'));
            }
            $last_fid = $this
              ->getLastFileId();
            $this
              ->assertTrue($last_fid > $last_fid_prior, t('New file got uploaded.'));
            $this
              ->drupalPost(NULL, array(), t('Save'));
            $this
              ->assertRaw(t('The file ids are %fids.', array(
              '%fids' => implode(',', array(
                $last_fid,
              )),
            )), t('Submit handler has correct file info.'));

            // Remove, then Submit.
            $remove_button_title = $multiple ? t('Remove selected') : t('Remove');
            $remove_edit = array();
            if ($multiple) {
              $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $last_fid . '][selected]';
              $remove_edit = array(
                $selected_checkbox => '1',
              );
            }
            $this
              ->drupalGet($path . '/' . $last_fid);
            if ($ajax) {
              $this
                ->drupalPostAJAX(NULL, $remove_edit, $input_base_name . '_remove_button');
            }
            else {
              $this
                ->drupalPost(NULL, $remove_edit, $remove_button_title);
            }
            $this
              ->drupalPost(NULL, array(), t('Save'));
            $this
              ->assertRaw(t('The file ids are %fids.', array(
              '%fids' => '',
            )), t('Submission after file removal was successful.'));

            // Upload, then Remove, then Submit.
            $this
              ->drupalGet($path);
            $edit = array(
              $file_field_name => drupal_realpath($test_file->uri),
            );
            if ($ajax) {
              $this
                ->drupalPostAJAX(NULL, $edit, $input_base_name . '_upload_button');
            }
            else {
              $this
                ->drupalPost(NULL, $edit, t('Upload'));
            }
            $remove_edit = array();
            if ($multiple) {
              $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $this
                ->getLastFileId() . '][selected]';
              $remove_edit = array(
                $selected_checkbox => '1',
              );
            }
            if ($ajax) {
              $this
                ->drupalPostAJAX(NULL, $remove_edit, $input_base_name . '_remove_button');
            }
            else {
              $this
                ->drupalPost(NULL, $remove_edit, $remove_button_title);
            }
            $this
              ->drupalPost(NULL, array(), t('Save'));
            $this
              ->assertRaw(t('The file ids are %fids.', array(
              '%fids' => '',
            )), t('Submission after file upload and removal was successful.'));
          }
        }
      }
    }

    // The multiple file upload has additional conditions that need checking.
    $path = 'file/test/1/1/1';
    $edit = array(
      'files[nested_file][]' => drupal_realpath($test_file->uri),
    );
    $fid_list = array();
    $this
      ->drupalGet($path);

    // Add a single file to the upload field.
    $this
      ->drupalPost(NULL, $edit, t('Upload'));
    $fid_list[] = $this
      ->getLastFileId();
    $this
      ->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[0] . '][selected]"]', NULL, 'First file successfully uploaded to multiple file element.');

    // Add another file to the same upload field.
    $this
      ->drupalPost(NULL, $edit, t('Upload'));
    $fid_list[] = $this
      ->getLastFileId();
    $this
      ->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[1] . '][selected]"]', NULL, 'Second file successfully uploaded to multiple file element.');

    // Save the entire form.
    $this
      ->drupalPost(NULL, array(), t('Save'));
    $this
      ->assertRaw(t('The file ids are %fids.', array(
      '%fids' => implode(',', $fid_list),
    )), t('Two files saved into a single multiple file element.'));

    // Delete only the first file.
    $edit = array(
      'nested[file][file_' . $fid_list[0] . '][selected]' => '1',
    );
    $this
      ->drupalPost($path . '/' . implode(',', $fid_list), $edit, t('Remove selected'));

    // Check that the first file has been deleted but not the second.
    $this
      ->assertNoFieldByXpath('//input[@name="nested[file][file_' . $fid_list[0] . '][selected]"]', NULL, 'An individual file can be deleted from a multiple file element.');
    $this
      ->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[1] . '][selected]"]', NULL, 'Second individual file not deleted when the first file is deleted from a multiple file element.');
  }

}