Updated security expressions #148 (#166)

* replace has_role() with is_granted()
* added basic integration test classes for main controller
* added basic integration test classes for admin controller

tests/Controller/Admin/CustomerControllerTest.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Controller\Admin;
+
+use App\Entity\User;
+use App\Tests\Controller\ControllerBaseTest;
+
+/**
+ * @coversDefaultClass \App\Controller\Admin\CustomerController
+ * @group integration
+ */
+class CustomerControllerTest extends ControllerBaseTest
+{
+
+    public function testIsSecure()
+    {
+        $this->assertUrlIsSecured('/admin/customer/');
+        $this->assertUrlIsSecuredForRole(User::ROLE_TEAMLEAD, '/admin/customer/');
+    }
+
+    public function testIndexAction()
+    {
+        $client = $this->getClientForAuthenticatedUser(User::ROLE_ADMIN);
+        $this->assertAccessIsGranted($client, '/admin/customer/');
+        $this->assertHasDataTable($client);
+    }
+}