Added Core and test

src/core/CoreTest.php

@@ -0,0 +1,44 @@
+<?php
+namespace core;
+
+use PHPUnit\Framework\TestCase;
+use entity\user\User;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class CoreTest extends TestCase
+{
+    /**
+     * 
+     * @var Core
+     */
+    protected $core;
+    
+    /**
+     * 
+     * @var User
+     */
+    protected $user;
+    
+    protected function setUp():void{
+        $this->core = new Core();
+        $this->user = new User();
+        $this->core->setUser($this->user);
+    }
+    
+    public function testTwig():void{
+        $this->assertInstanceOf(\Twig_Environment::class, $this->core->getTwig());
+    }
+    
+    public function testDatabase():void{
+        $this->assertInstanceOf(\PDO::class, $this->core->getDatabase());
+    }
+    
+    public function testUser():void{
+        $this->assertEquals($this->user, $this->core->getUser());
+    }
+}
+