function DrupalRenderTestCase::testDrupalRenderChildrenAttached in Drupal 7

Test #attached functionality in children elements.

File

modules/simpletest/tests/common.test, line 2086

Tests for common.inc functionality.

Class

DrupalRenderTestCase

Tests for drupal_render().

Code

function testDrupalRenderChildrenAttached() {

  // The cache system is turned off for POST requests.
  $request_method = $_SERVER['REQUEST_METHOD'];
  $_SERVER['REQUEST_METHOD'] = 'GET';

  // Create an element with a child and subchild.  Each element loads a
  // different JavaScript file using #attached.
  $parent_js = drupal_get_path('module', 'user') . '/user.js';
  $child_js = drupal_get_path('module', 'forum') . '/forum.js';
  $subchild_js = drupal_get_path('module', 'book') . '/book.js';
  $element = array(
    '#type' => 'fieldset',
    '#cache' => array(
      'keys' => array(
        'simpletest',
        'drupal_render',
        'children_attached',
      ),
    ),
    '#attached' => array(
      'js' => array(
        $parent_js,
      ),
    ),
    '#title' => 'Parent',
  );
  $element['child'] = array(
    '#type' => 'fieldset',
    '#attached' => array(
      'js' => array(
        $child_js,
      ),
    ),
    '#title' => 'Child',
  );
  $element['child']['subchild'] = array(
    '#attached' => array(
      'js' => array(
        $subchild_js,
      ),
    ),
    '#markup' => 'Subchild',
  );

  // Render the element and verify the presence of #attached JavaScript.
  drupal_render($element);
  $scripts = drupal_get_js();
  $this
    ->assertTrue(strpos($scripts, $parent_js), 'The element #attached JavaScript was included.');
  $this
    ->assertTrue(strpos($scripts, $child_js), 'The child #attached JavaScript was included.');
  $this
    ->assertTrue(strpos($scripts, $subchild_js), 'The subchild #attached JavaScript was included.');

  // Load the element from cache and verify the presence of the #attached
  // JavaScript.
  drupal_static_reset('drupal_add_js');
  $this
    ->assertTrue(drupal_render_cache_get($element), 'The element was retrieved from cache.');
  $scripts = drupal_get_js();
  $this
    ->assertTrue(strpos($scripts, $parent_js), 'The element #attached JavaScript was included when loading from cache.');
  $this
    ->assertTrue(strpos($scripts, $child_js), 'The child #attached JavaScript was included when loading from cache.');
  $this
    ->assertTrue(strpos($scripts, $subchild_js), 'The subchild #attached JavaScript was included when loading from cache.');
  $_SERVER['REQUEST_METHOD'] = $request_method;
}