Added more tests

src/Service/VisitsTracker.php

@@ -42,7 +42,7 @@ class VisitsTracker implements VisitsTrackerInterface
         $visit = new Visit();
         $visit->setShortUrl($shortUrl)
               ->setUserAgent($this->getArrayValue($visitorData, 'HTTP_USER_AGENT'))
-              ->setReferer($this->getArrayValue($visitorData, 'REFERER'))
+              ->setReferer($this->getArrayValue($visitorData, 'HTTP_REFERER'))
               ->setRemoteAddr($this->getArrayValue($visitorData, 'REMOTE_ADDR'));
         $this->em->persist($visit);
         $this->em->flush();

tests/Factory/CacheFactoryTest.php

@@ -0,0 +1,46 @@
+<?php
+namespace AcelayaTest\UrlShortener\Factory;
+
+use Acelaya\UrlShortener\Factory\CacheFactory;
+use Doctrine\Common\Cache\ApcuCache;
+use Doctrine\Common\Cache\ArrayCache;
+use PHPUnit_Framework_TestCase as TestCase;
+use Zend\ServiceManager\ServiceManager;
+
+class CacheFactoryTest extends TestCase
+{
+    /**
+     * @var CacheFactory
+     */
+    protected $factory;
+
+    public function setUp()
+    {
+        $this->factory = new CacheFactory();
+    }
+
+    public static function tearDownAfterClass()
+    {
+        putenv('APP_ENV');
+    }
+
+    /**
+     * @test
+     */
+    public function productionReturnsApcAdapter()
+    {
+        putenv('APP_ENV=pro');
+        $instance = $this->factory->__invoke(new ServiceManager(), '');
+        $this->assertInstanceOf(ApcuCache::class, $instance);
+    }
+
+    /**
+     * @test
+     */
+    public function developmentReturnsArrayAdapter()
+    {
+        putenv('APP_ENV=dev');
+        $instance = $this->factory->__invoke(new ServiceManager(), '');
+        $this->assertInstanceOf(ArrayCache::class, $instance);
+    }
+}

tests/Service/VisitsTrackerTest.php

@@ -0,0 +1,30 @@
+<?php
+namespace AcelayaTest\UrlShortener\Service;
+
+use Acelaya\UrlShortener\Entity\ShortUrl;
+use Acelaya\UrlShortener\Service\VisitsTracker;
+use Doctrine\ORM\EntityManager;
+use Doctrine\ORM\EntityRepository;
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Argument;
+
+class VisitsTrackerTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function trackPersistsVisit()
+    {
+        $shortCode = '123ABC';
+        $repo = $this->prophesize(EntityRepository::class);
+        $repo->findOneBy(['shortCode' => $shortCode])->willReturn(new ShortUrl());
+
+        $em = $this->prophesize(EntityManager::class);
+        $em->getRepository(ShortUrl::class)->willReturn($repo->reveal())->shouldBeCalledTimes(1);
+        $em->persist(Argument::any())->shouldBeCalledTimes(1);
+        $em->flush()->shouldBeCalledTimes(1);
+
+        $visitsTracker = new VisitsTracker($em->reveal());
+        $visitsTracker->track($shortCode);
+    }
+}