function FileManagedFileElementTest::testManagedFile

Tests the managed_file element type.

File

core/modules/file/tests/src/Functional/FileManagedFileElementTest.php, line 24

Class

FileManagedFileElementTest

Tests the 'managed_file' element type.

Namespace

Code

public 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 ([
    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 . ']';
        // Submit without a file.
        $this->drupalPostForm($path, [], t('Save'));
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => implode(',', []),
        ]), 'Submitted without a file.');
        // 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->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertText('The form has become outdated.');
        $last_fid = $this->getLastFileId();
        $this->assertEqual($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()),
        ];
        $this->drupalPostForm($path, $edit, t('Save'));
        $last_fid = $this->getLastFileId();
        $this->assertTrue($last_fid > $last_fid_prior, 'New file got saved.');
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => implode(',', [
            $last_fid,
          ]),
        ]), 'Submit handler has correct file info.');
        // Submit no new input, but with a default file.
        $this->drupalPostForm($path . '/' . $last_fid, [], t('Save'));
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => implode(',', [
            $last_fid,
          ]),
        ]), 'Empty submission did not change an existing file.');
        // Upload, then Submit.
        $last_fid_prior = $this->getLastFileId();
        $this->drupalGet($path);
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->drupalPostForm(NULL, $edit, t('Upload'));
        $last_fid = $this->getLastFileId();
        $this->assertTrue($last_fid > $last_fid_prior, 'New file got uploaded.');
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => implode(',', [
            $last_fid,
          ]),
        ]), 'Submit handler has correct file info.');
        // Remove, then Submit.
        $remove_button_title = $multiple ? t('Remove selected') : t('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->drupalPostForm(NULL, $remove_edit, $remove_button_title);
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => '',
        ]), 'Submission after file removal was successful.');
        // Upload, then Remove, then Submit.
        $this->drupalGet($path);
        $edit = [
          $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
        ];
        $this->drupalPostForm(NULL, $edit, t('Upload'));
        $remove_edit = [];
        if ($multiple) {
          $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $this->getLastFileId() . '][selected]';
          $remove_edit = [
            $selected_checkbox => '1',
          ];
        }
        $this->drupalPostForm(NULL, $remove_edit, $remove_button_title);
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->assertRaw(t('The file ids are %fids.', [
          '%fids' => '',
        ]), 'Submission after file upload and removal was successful.');
      }
    }
  }
  // The multiple file upload has additional conditions that need checking.
  $path = 'file/test/1/1/1';
  $edit = [
    'files[nested_file][]' => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
  ];
  $fid_list = [];
  $this->drupalGet($path);
  // Add a single file to the upload field.
  $this->drupalPostForm(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->drupalPostForm(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->drupalPostForm(NULL, [], t('Save'));
  $this->assertRaw(t('The file ids are %fids.', [
    '%fids' => implode(',', $fid_list),
  ]), 'Two files saved into a single multiple file element.');
  // Delete only the first file.
  $edit = [
    'nested[file][file_' . $fid_list[0] . '][selected]' => '1',
  ];
  $this->drupalPostForm($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.');
}