--- /dev/null
+<?php
+
+namespace Drupal\Tests\Core\Menu;
+
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Menu\MenuLinkBase;
+
+/**
+ * Defines a mock implementation of a menu link used in tests only.
+ */
+class MenuLinkMock extends MenuLinkBase {
+
+ protected static $defaults = [
+ 'menu_name' => 'mock',
+ 'route_name' => 'MUST BE PROVIDED',
+ 'route_parameters' => [],
+ 'url' => '',
+ 'title' => 'MUST BE PROVIDED',
+ 'title_arguments' => [],
+ 'title_context' => '',
+ 'description' => '',
+ 'parent' => 'MUST BE PROVIDED',
+ 'weight' => '0',
+ 'options' => [],
+ 'expanded' => '0',
+ 'enabled' => '1',
+ 'provider' => 'simpletest',
+ 'metadata' => [
+ 'cache_contexts' => [],
+ 'cache_tags' => [],
+ 'cache_max_age' => Cache::PERMANENT,
+ ],
+ 'class' => 'Drupal\\Tests\\Core\Menu\\MenuLinkMock',
+ 'form_class' => 'Drupal\\Core\\Menu\\Form\\MenuLinkDefaultForm',
+ 'id' => 'MUST BE PROVIDED',
+ ];
+
+ /**
+ * Create an instance from a definition with at least id, title, route_name.
+ */
+ public static function create($definition) {
+ return new static([], $definition['id'], $definition + static::$defaults);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getTitle() {
+ return $this->pluginDefinition['title'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDescription() {
+ if ($this->pluginDefinition['description']) {
+ return $this->pluginDefinition['description'];
+ }
+ return '';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function updateLink(array $new_definition_values, $persist) {
+ // No-op.
+ return $this->pluginDefinition;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheContexts() {
+ return $this->pluginDefinition['metadata']['cache_contexts'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheTags() {
+ return $this->pluginDefinition['metadata']['cache_tags'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheMaxAge() {
+ return $this->pluginDefinition['metadata']['cache_max_age'];
+ }
+
+}