function testPageStatsService() {
global $wgTitle, $wgMemc;
$wgTitle = Title::newMainPage();
$articleId = $wgTitle->getArticleId();
$article = Article::newFromId($articleId);
$key = wfMemcKey('services', 'pageheader', 'current-revision', $articleId);
// macbre: perform this test only for existing pages
if (!$wgTitle->exists()) {
$this->markTestSkipped('Main page cannot be found');
return;
}
$service = new PageStatsService($articleId);
$this->assertType('array', $service->getMostLinkedCategories());
$this->assertType('int', $service->getCommentsCount());
$this->assertType('int', $service->getLikesCount());
$this->assertType('array', $service->getCurrentRevision());
$this->assertType('array', $service->getPreviousEdits());
$this->assertType('string', $service->getFirstRevisionTimestamp());
// comments counter regenerating
$comments = $service->getCommentsCount();
$service->regenerateCommentsCount();
$this->assertEquals($comments, $service->getCommentsCount());
// remove cached stats when article is edited
$user = $flags = $status = false;
PageStatsService::onArticleSaveComplete($article, $user, false, false, false, false, false, $flags, false, $status, false);
$data = $wgMemc->get($key);
$this->assertTrue(empty($data));
$service->getCurrentRevision();
$data = $wgMemc->get($key);
$this->assertFalse(empty($data));
// remove cached stats when article (comment) is deleted
PageStatsService::onArticleDeleteComplete($article, $user, false, $articleId);
$data = $wgMemc->get($key);
$this->assertTrue(empty($data));
$service->getCurrentRevision();
// regenerate data
$service->regenerateData();
$data = $wgMemc->get($key);
$this->assertTrue(empty($data));
}
