function test1()
 {
     TimeSource::mock(2014, 5, 1, 7, 0, 0);
     $user = new UserAccountModel();
     $user->setEmail("*****@*****.**");
     $user->setUsername("test");
     $user->setPassword("password");
     $userRepo = new UserAccountRepository();
     $userRepo->create($user);
     $site = new SiteModel();
     $site->setTitle("Test");
     $site->setSlug("test");
     $siteRepo = new SiteRepository();
     $siteRepo->create($site, $user, array(), $this->getSiteQuotaUsedForTesting());
     $event = new EventModel();
     $event->setSummary("test");
     $event->setDescription("test test");
     $event->setStartAt(getUTCDateTime(2014, 5, 10, 19, 0, 0, 'Europe/London'));
     $event->setEndAt(getUTCDateTime(2014, 5, 10, 21, 0, 0, 'Europe/London'));
     $event->setUrl("http://www.info.com");
     $event->setTicketUrl("http://www.tickets.com");
     $eventRepository = new EventRepository();
     $eventRepository->create($event, $site, $user);
     $tag = new TagModel();
     $tag->setTitle("Test");
     $tagRepo = new TagRepository();
     $tagRepo->create($tag, $site, $user);
     $tagRepo->addTagToEvent($tag, $event, $user);
     ## Test
     $this->assertNotNull($tagRepo->loadById($tag->getId()));
     $tagRepoBuilder = new repositories\builders\TagRepositoryBuilder();
     $tagRepoBuilder->setTagsForEvent($event);
     $this->assertEquals(1, count($tagRepoBuilder->fetchAll()));
     ## Purge!
     $tagRepo->purge($tag);
     ## Test
     $this->assertNull($tagRepo->loadById($tag->getId()));
     $tagRepoBuilder = new repositories\builders\TagRepositoryBuilder();
     $tagRepoBuilder->setTagsForEvent($event);
     $this->assertEquals(0, count($tagRepoBuilder->fetchAll()));
 }