function MultiFormTest::testMultiForm in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Ajax/MultiFormTest.php \Drupal\system\Tests\Ajax\MultiFormTest::testMultiForm()

Tests that pages with the 'node_page_form' included twice work correctly.

File

core/modules/system/src/Tests/Ajax/MultiFormTest.php, line 56

Contains \Drupal\system\Tests\Ajax\MultiFormTest.

Class

MultiFormTest

Tests that AJAX-enabled forms work when multiple instances of the same form are on a page.

Namespace

Drupal\system\Tests\Ajax

Code

function testMultiForm() {

  // HTML IDs for elements within the field are potentially modified with
  // each Ajax submission, but these variables are stable and help target the
  // desired elements.
  $field_name = 'field_ajax_test';
  $form_xpath = '//form[starts-with(@id, "node-page-form")]';
  $field_xpath = '//div[contains(@class, "field--name-field-ajax-test")]';
  $button_name = $field_name . '_add_more';
  $button_value = t('Add another item');
  $button_xpath_suffix = '//input[@name="' . $button_name . '"]';
  $field_items_xpath_suffix = '//input[@type="text"]';

  // Ensure the initial page contains both node forms and the correct number
  // of field items and "add more" button for the multi-valued field within
  // each form.
  $this
    ->drupalGet('form-test/two-instances-of-same-form');
  $fields = $this
    ->xpath($form_xpath . $field_xpath);
  $this
    ->assertEqual(count($fields), 2);
  foreach ($fields as $field) {
    $this
      ->assertEqual(count($field
      ->xpath('.' . $field_items_xpath_suffix)), 1, 'Found the correct number of field items on the initial page.');
    $this
      ->assertFieldsByValue($field
      ->xpath('.' . $button_xpath_suffix), NULL, 'Found the "add more" button on the initial page.');
  }
  $this
    ->assertNoDuplicateIds(t('Initial page contains unique IDs'), 'Other');

  // Submit the "add more" button of each form twice. After each corresponding
  // page update, ensure the same as above.
  for ($i = 0; $i < 2; $i++) {
    $forms = $this
      ->xpath($form_xpath);
    foreach ($forms as $offset => $form) {
      $form_html_id = (string) $form['id'];
      $this
        ->drupalPostAjaxForm(NULL, array(), array(
        $button_name => $button_value,
      ), NULL, array(), array(), $form_html_id);
      $form = $this
        ->xpath($form_xpath)[$offset];
      $field = $form
        ->xpath('.' . $field_xpath);
      $this
        ->assertEqual(count($field[0]
        ->xpath('.' . $field_items_xpath_suffix)), $i + 2, 'Found the correct number of field items after an AJAX submission.');
      $this
        ->assertFieldsByValue($field[0]
        ->xpath('.' . $button_xpath_suffix), NULL, 'Found the "add more" button after an AJAX submission.');
      $this
        ->assertNoDuplicateIds(t('Updated page contains unique IDs'), 'Other');
    }
  }
}