Start a session as guest

app/code/community/EcomDev/PHPUnit/Test/Case.php

@@ -29,6 +29,7 @@ use EcomDev_PHPUnit_Helper as TestHelper;
  * @method EcomDev_PHPUnit_Mock_Proxy mockSession($classAlias, array $methods = array())
  * @method EcomDev_PHPUnit_Mock_Proxy adminSession(array $resources = array())
  * @method EcomDev_PHPUnit_Mock_Proxy customerSession(int $customerId)
+ * @method EcomDev_PHPUnit_Mock_Proxy guestSession()
  */
 abstract class EcomDev_PHPUnit_Test_Case extends PHPUnit_Framework_TestCase
 {

app/code/community/EcomDev/PHPUnit/Test/Case/Helper/Guest.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2013 EcomDev BV (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Mike Pretzlaw <pretzlaw@gmail.com>
+ */
+
+use EcomDev_PHPUnit_Helper as TestHelper;
+use EcomDev_PHPUnit_Test_Case_Util as TestUtil;
+
+/**
+ * Helper for stubbing customer session
+ *
+ *
+ */
+class EcomDev_PHPUnit_Test_Case_Helper_Guest extends EcomDev_PHPUnit_Helper_Abstract
+{
+    /**
+     * Start session as guest.
+     *
+     * @param string|int|null $storeId
+     *
+     * @return EcomDev_PHPUnit_Mock_Proxy
+     */
+    public function helperGuestSession($storeId = null)
+    {
+        $guestSessionMock = TestHelper::invoke(
+            'mockSession',
+            'core/session',
+            array('renewSession')
+        );
+
+        /** @var Mage_Core_Model_Session $session */
+        $session                                  = $guestSessionMock->getMock();
+        $_GET[$session->getSessionIdQueryParam()] = $session->getSessionId(); // some action need that (loginPost, ...)
+
+        if ($storeId === null)
+        {
+            $storeId = TestUtil::app()->getAnyStoreView()->getCode();
+        }
+
+        TestUtil::setCurrentStore($storeId);
+
+        return $guestSessionMock;
+    }
+}

app/code/community/EcomDev/PHPUnit/etc/config.xml

@@ -146,6 +146,7 @@
                 <mock>EcomDev_PHPUnit_Test_Case_Helper_Mock</mock>
                 <session>EcomDev_PHPUnit_Test_Case_Helper_Session</session>
                 <customer>EcomDev_PHPUnit_Test_Case_Helper_Customer</customer>
+                <guest>EcomDev_PHPUnit_Test_Case_Helper_Guest</guest>
             </helpers>
         </suite>
     </phpunit>