test: add AddToStorageListener tests

tests/Prime/EventDispatcher/EventListener/AddToStorageListenerTest.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the PHPFlasher package.
+ * (c) Younes KHOUBZA <younes.khoubza@gmail.com>
+ */
+
+namespace Flasher\Tests\Prime\EventDispatcher\EventListener;
+
+use Flasher\Prime\EventDispatcher\Event\PersistEvent;
+use Flasher\Prime\EventDispatcher\EventDispatcher;
+use Flasher\Prime\EventDispatcher\EventListener\AddToStorageListener;
+use Flasher\Prime\Notification\Envelope;
+use Flasher\Prime\Notification\Notification;
+use Flasher\Prime\Stamp\UnlessStamp;
+use Flasher\Prime\Stamp\WhenStamp;
+use Flasher\Tests\Prime\TestCase;
+
+class AddToStorageListenerTest extends TestCase
+{
+    /**
+     * @return void
+     */
+    public function testAddToStorageListener()
+    {
+        $eventDispatcher = new EventDispatcher();
+        $this->setProperty($eventDispatcher, 'listeners', array());
+
+        $listener = new AddToStorageListener();
+        $eventDispatcher->addSubscriber($listener);
+
+        $envelopes = array(
+            new Envelope(new Notification(), new WhenStamp(false)),
+            new Envelope(new Notification()),
+            new Envelope(new Notification(), new UnlessStamp(true)),
+            new Envelope(new Notification()),
+        );
+        $event = new PersistEvent($envelopes);
+
+        $eventDispatcher->dispatch($event);
+
+        $this->assertEquals(array($envelopes[1], $envelopes[3]), $event->getEnvelopes());
+    }
+}