FormValuesTest.php in Zircon Profile 8

Contains \Drupal\system\Tests\Ajax\FormValuesTest.

Namespace

Drupal\system\Tests\Ajax

File

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

<?php

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

use Drupal\Core\Ajax\DataCommand;

/**
 * Tests that form values are properly delivered to AJAX callbacks.
 *
 * @group Ajax
 */
class FormValuesTest extends AjaxTestBase {
  protected function setUp() {
    parent::setUp();
    $this
      ->drupalLogin($this
      ->drupalCreateUser(array(
      'access content',
    )));
  }

  /**
   * 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
        ->drupalPostAjaxForm('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
        ->drupalPostAjaxForm('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.');
    }

    // Verify that AJAX elements with invalid callbacks return error code 500.
    // Ensure the test error log is empty before these tests.
    $this
      ->assertNoErrorsLogged();

    // We don't need to check for the X-Drupal-Ajax-Token header with these
    // invalid requests.
    $this->assertAjaxHeader = FALSE;
    foreach (array(
      'null',
      'empty',
      'nonexistent',
    ) as $key) {
      $element_name = 'select_' . $key . '_callback';
      $edit = array(
        $element_name => 'red',
      );
      $commands = $this
        ->drupalPostAjaxForm('ajax_forms_test_get_form', $edit, $element_name);
      $this
        ->assertResponse(500);
    }

    // Switch this back to the default.
    $this->assertAjaxHeader = TRUE;

    // The exceptions are expected. Do not interpret them as a test failure.
    // Not using File API; a potential error must trigger a PHP warning.
    unlink(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
  }

}

Classes

Name	Description
FormValuesTest	Tests that form values are properly delivered to AJAX callbacks.