FormValuesTest.php

<?php

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

use Drupal\Core\Ajax\DataCommand;

/**
 * Tests that $form_state['values'] is properly delivered to $ajax['callback'].
 */
class FormValuesTest extends AjaxTestBase {
  public static function getInfo() {
    return array(
      'name' => 'AJAX command form values',
      'description' => 'Tests that form values are properly delivered to AJAX callbacks.',
      'group' => 'AJAX',
    );
  }
  function setUp() {
    parent::setUp();
    $this->web_user = $this
      ->drupalCreateUser(array(
      'access content',
    ));
    $this
      ->drupalLogin($this->web_user);
  }

  /**
   * Submits forms with select and checkbox elements via Ajax.
   */
  function testSimpleAjaxFormValue() {

    // Verify form values of a select element.
    foreach (array(
      'red',
      'green',
      'blue',
    ) as $item) {
      $edit = array(
        'select' => $item,
      );
      $commands = $this
        ->drupalPostAJAX('ajax_forms_test_get_form', $edit, 'select');
      $expected = new DataCommand('#ajax_selected_color', 'form_state_value_select', $item);
      $this
        ->assertCommand($commands, $expected
        ->render(), 'Verification of AJAX form values from a selectbox issued with a correct value.');
    }

    // Verify form values of a checkbox element.
    foreach (array(
      FALSE,
      TRUE,
    ) as $item) {
      $edit = array(
        'checkbox' => $item,
      );
      $commands = $this
        ->drupalPostAJAX('ajax_forms_test_get_form', $edit, 'checkbox');
      $expected = new DataCommand('#ajax_checkbox_value', 'form_state_value_select', (int) $item);
      $this
        ->assertCommand($commands, $expected
        ->render(), 'Verification of AJAX form values from a checkbox issued with a correct value.');
    }
  }

}