MultiFormTest.php in Zircon Profile 8

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

Namespace

Drupal\system\Tests\Ajax

File

core/modules/system/src/Tests/Ajax/MultiFormTest.php

<?php

/**
 * @file
 * Contains \Drupal\system\Tests\Ajax\MultiFormTest.
 */
namespace Drupal\system\Tests\Ajax;

use Drupal\Core\Field\FieldStorageDefinitionInterface;

/**
 * Tests that AJAX-enabled forms work when multiple instances of the same form
 * are on a page.
 *
 * @group Ajax
 */
class MultiFormTest extends AjaxTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'form_test',
  );
  protected function setUp() {
    parent::setUp();
    $this
      ->drupalCreateContentType(array(
      'type' => 'page',
      'name' => 'Page',
    ));

    // Create a multi-valued field for 'page' nodes to use for Ajax testing.
    $field_name = 'field_ajax_test';
    entity_create('field_storage_config', array(
      'entity_type' => 'node',
      'field_name' => $field_name,
      'type' => 'text',
      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
    ))
      ->save();
    entity_create('field_config', array(
      'field_name' => $field_name,
      'entity_type' => 'node',
      'bundle' => 'page',
    ))
      ->save();
    entity_get_form_display('node', 'page', 'default')
      ->setComponent($field_name, array(
      'type' => 'text_textfield',
    ))
      ->save();

    // Login a user who can create 'page' nodes.
    $this
      ->drupalLogin($this
      ->drupalCreateUser(array(
      'create page content',
    )));
  }

  /**
   * Tests that pages with the 'node_page_form' included twice work correctly.
   */
  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');
      }
    }
  }

}

Classes

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