--- /dev/null
+<?php
+
+namespace Drupal\menu_ui\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Base class for menu web tests.
+ */
+abstract class MenuWebTestBase extends WebTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['menu_ui', 'menu_link_content'];
+
+ /**
+ * Fetches the menu item from the database and compares it to expected item.
+ *
+ * @param int $menu_plugin_id
+ * Menu item id.
+ * @param array $expected_item
+ * Array containing properties to verify.
+ */
+ public function assertMenuLink($menu_plugin_id, array $expected_item) {
+ // Retrieve menu link.
+ /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
+ $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
+ $menu_link_manager->resetDefinitions();
+ // Reset the static load cache.
+ \Drupal::entityManager()->getStorage('menu_link_content')->resetCache();
+ $definition = $menu_link_manager->getDefinition($menu_plugin_id);
+
+ $entity = NULL;
+
+ // Pull the path from the menu link content.
+ if (strpos($menu_plugin_id, 'menu_link_content') === 0) {
+ list(, $uuid) = explode(':', $menu_plugin_id, 2);
+ /** @var \Drupal\menu_link_content\Entity\MenuLinkContent $entity */
+ $entity = \Drupal::entityManager()->loadEntityByUuid('menu_link_content', $uuid);
+ }
+
+ if (isset($expected_item['children'])) {
+ $child_ids = array_values($menu_link_manager->getChildIds($menu_plugin_id));
+ sort($expected_item['children']);
+ if ($child_ids) {
+ sort($child_ids);
+ }
+ $this->assertEqual($expected_item['children'], $child_ids);
+ unset($expected_item['children']);
+ }
+
+ if (isset($expected_item['parents'])) {
+ $parent_ids = array_values($menu_link_manager->getParentIds($menu_plugin_id));
+ $this->assertEqual($expected_item['parents'], $parent_ids);
+ unset($expected_item['parents']);
+ }
+
+ if (isset($expected_item['langcode']) && $entity) {
+ $this->assertEqual($entity->langcode->value, $expected_item['langcode']);
+ unset($expected_item['langcode']);
+ }
+
+ if (isset($expected_item['enabled']) && $entity) {
+ $this->assertEqual($entity->enabled->value, $expected_item['enabled']);
+ unset($expected_item['enabled']);
+ }
+
+ foreach ($expected_item as $key => $value) {
+ $this->assertTrue(isset($definition[$key]));
+ $this->assertEqual($definition[$key], $value);
+ }
+ }
+
+}