Improve unit tests

tests/units/Model/UserSessionTest.php

@@ -0,0 +1,32 @@
+<?php
+
+require_once __DIR__.'/../Base.php';
+
+use Core\Session;
+use Model\UserSession;
+
+class UserSessionTest extends Base
+{
+    public function testIsAdmin()
+    {
+        $s = new Session;
+        $us = new UserSession($this->container);
+
+        $this->assertFalse($us->isAdmin());
+
+        $s['user'] = array();
+        $this->assertFalse($us->isAdmin());
+
+        $s['user'] = array('is_admin' => '1');
+        $this->assertFalse($us->isAdmin());
+
+        $s['user'] = array('is_admin' => false);
+        $this->assertFalse($us->isAdmin());
+
+        $s['user'] = array('is_admin' => '2');
+        $this->assertFalse($us->isAdmin());
+
+        $s['user'] = array('is_admin' => true);
+        $this->assertTrue($us->isAdmin());
+    }
+}