Pass by reference

Author: mpociot

src/WebDriver.php

@@ -26,6 +26,9 @@ class WebDriver extends HttpDriver
     /** @var string */
     protected $errorMessage = '';
 
+    /** @var array */
+    protected $messages = [];
+
     /**
      * @param Request $request
      */
@@ -71,10 +74,13 @@ public function getConversationAnswer(IncomingMessage $message)
      */
     public function getMessages()
     {
-        $message = $this->event->get('message');
-        $userId = $this->event->get('userId');
+        if (empty($this->messages)) {
+            $message = $this->event->get('message');
+            $userId = $this->event->get('userId');
+            $this->messages = [new IncomingMessage($message, $userId, $userId, $this->payload)];
+        }
 
-        return [new IncomingMessage($message, $userId, $userId, $this->payload)];
+        return $this->messages;
     }
 
     /**

tests/WebDriverTest.php

@@ -86,6 +86,19 @@ public function it_returns_the_message_object()
         $this->assertTrue(is_array($driver->getMessages()));
     }
 
+    /** @test */
+    public function it_returns_the_message_object_by_reference()
+    {
+        $driver = $this->getDriver([
+            'driver' => 'web',
+            'message' => 'Hi Julia',
+            'userId' => '12345',
+        ]);
+        $messages = $driver->getMessages();
+        $hash = spl_object_hash($messages[0]);
+        $this->assertSame($hash, spl_object_hash($driver->getMessages()[0]));
+    }
+
     /** @test */
     public function it_returns_the_message_text()
     {