added facebook test

Author: oscarotero

tests/FacebookTest.php

@@ -0,0 +1,25 @@
+<?php
+class FacebookTest extends PHPUnit_Framework_TestCase
+{
+    public function testOne()
+    {
+        $info = Embed\Embed::create('https://www.facebook.co/permalink.php?story_fbid=827163017327807&id=149460691764713');
+
+        $this->assertEquals($info->title, 'Aquí vos deixamos unhas imaxes da nosa... - DAG, Asociación Galega de Deseñadores | Facebook');
+        $this->assertEquals($info->width, 500);
+        $this->assertEquals($info->code, <<<EOT
+<div id="fb-root"></div>
+<script>(function(d, s, id) {
+  var js, fjs = d.getElementsByTagName(s)[0];
+  if (d.getElementById(id)) return;
+  js = d.createElement(s); js.id = id;
+  js.src = "//connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.3";
+  fjs.parentNode.insertBefore(js, fjs);
+}(document, 'script', 'facebook-jssdk'));</script>
+
+<div class="fb-post" data-href="https://www.facebook.com/permalink.php?story_fbid=827163017327807&id=149460691764713" data-width="500"></div>
+EOT
+        );
+        $this->assertEquals($info->type, 'rich');
+    }
+}