Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/taxonomy/tests/src/Unit/Menu/TaxonomyLocalTasksTest.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\taxonomy\Unit\Menu\TaxonomyLocalTasksTest.
+ */
+
+namespace Drupal\Tests\taxonomy\Unit\Menu;
+
+use Drupal\Tests\Core\Menu\LocalTaskIntegrationTestBase;
+
+/**
+ * Tests existence of taxonomy local tasks.
+ *
+ * @group taxonomy
+ */
+class TaxonomyLocalTasksTest extends LocalTaskIntegrationTestBase {
+
+  protected function setUp() {
+    $this->directoryList = array('taxonomy' => 'core/modules/taxonomy');
+    parent::setUp();
+  }
+
+  /**
+   * Checks taxonomy edit local tasks.
+   *
+   * @dataProvider getTaxonomyPageRoutes
+   */
+  public function testTaxonomyPageLocalTasks($route, $subtask = array()) {
+    $tasks = array(
+      0 => array('entity.taxonomy_term.canonical', 'entity.taxonomy_term.edit_form'),
+    );
+    if ($subtask) $tasks[] = $subtask;
+    $this->assertLocalTasks($route, $tasks);
+  }
+
+  /**
+   * Provides a list of routes to test.
+   */
+  public function getTaxonomyPageRoutes() {
+    return array(
+      array('entity.taxonomy_term.canonical'),
+      array('entity.taxonomy_term.edit_form'),
+    );
+  }
+
+}