* initial commit

* get list of activities
* get activity by id

test/AppTest/Action/PingActionTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace AppTest\Action;
+
+use App\Action\PingAction;
+use Zend\Diactoros\Response;
+use Zend\Diactoros\ServerRequest;
+
+class PingActionTest extends \PHPUnit_Framework_TestCase
+{
+    public function testResponse()
+    {
+        $pingAction = new PingAction();
+        $response = $pingAction(new ServerRequest(['/']), new Response(), function () {
+        });
+        $json = json_decode((string) $response->getBody());
+
+        $this->assertTrue($response instanceof Response);
+        $this->assertTrue($response instanceof Response\JsonResponse);
+        $this->assertTrue(isset($json->ack));
+    }
+}