Add some tests, and service refactor

Sender/SmsSender.php

@@ -1,32 +1,45 @@
 <?php
-
 namespace Jhg\NexmoBundle\Sender;
 
 use Nexmo\NexmoMessage;
 use Symfony\Component\DependencyInjection\Container;
 
+/**
+ * Class SmsSender
+ * @package Jhg\NexmoBundle\Sender
+ *
+ * @author Javi Hernández
+ */
 class SmsSender
 {
-	/**
-	 * @var Container
-	 */
-	protected $container;
-	
-	/**
-	 * @var NexmoMessage
-	 */
-	protected $nexmoMessage;
-	
-	public function __construct( Container  $container) {
+    /**
+     * @var \Nexmo\NexmoMessage
+     */
+    protected $nexmoMessage;
+
+    /**
+     * @var \Symfony\Component\DependencyInjection\Container
+     */
+    protected $container;
+
+    /**
+     * @param Container $container
+     * @param NexmoMessage $nexmoMessage
+     */
+    public function __construct(Container $container,NexmoMessage $nexmoMessage) {
 		$this->container = $container;
-		
-		$api_key = $this->container->getParameter('jhg_nexmo.api_key');
-		$api_secret = $this->container->getParameter('jhg_nexmo.api_secret');
-		
-		$this->nexmoMessage = new NexmoMessage($api_key, $api_secret);
+        $this->nexmoMessage = $nexmoMessage;
 	}
-	
-	public function send($number,$fromName=null,$message,$unicode=null, $status_report_req=0) {
+
+    /**
+     * @param $number
+     * @param null $fromName
+     * @param $message
+     * @param null $unicode
+     * @param int $status_report_req
+     * @return array|bool|\Nexmo\stdClass
+     */
+    public function send($number,$fromName=null,$message,$unicode=null, $status_report_req=0) {
 		
 		if($fromName===null)
 			$fromName = $this->container->getParameter('jhg_nexmo.from_name');