Added list short URLs endpoint to rest api

tests/Service/ShortUrlServiceTest.php

@@ -0,0 +1,45 @@
+<?php
+namespace AcelayaTest\UrlShortener\Service;
+
+use Acelaya\UrlShortener\Entity\ShortUrl;
+use Acelaya\UrlShortener\Service\ShortUrlService;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\EntityRepository;
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Prophecy\ObjectProphecy;
+
+class ShortUrlServiceTest extends TestCase
+{
+    /**
+     * @var ShortUrlService
+     */
+    protected $service;
+    /**
+     * @var ObjectProphecy|EntityManagerInterface
+     */
+    protected $em;
+
+    public function setUp()
+    {
+        $this->em = $this->prophesize(EntityManagerInterface::class);
+        $this->service = new ShortUrlService($this->em->reveal());
+    }
+
+    /**
+     * @test
+     */
+    public function listedUrlsAreReturnedFromEntityManager()
+    {
+        $repo = $this->prophesize(EntityRepository::class);
+        $repo->findAll()->willReturn([
+            new ShortUrl(),
+            new ShortUrl(),
+            new ShortUrl(),
+            new ShortUrl(),
+        ])->shouldBeCalledTimes(1);
+        $this->em->getRepository(ShortUrl::class)->willReturn($repo->reveal());
+
+        $list = $this->service->listShortUrls();
+        $this->assertCount(4, $list);
+    }
+}