<?php namespace PharIo\Manifest; use DOMDocument; class AuthorElementCollectionTest extends \PHPUnit\Framework\TestCase { public function testAuthorElementCanBeRetrievedFromCollection() { $dom = new DOMDocument(); $dom->loadXML('<?xml version="1.0" ?><author xmlns="https://phar.io/xml/manifest/1.0" name="Reiner Zufall" email="reiner@zufall.de" />'); $collection = new AuthorElementCollection($dom->childNodes); foreach($collection as $authorElement) { $this->assertInstanceOf(AuthorElement::class, $authorElement); } } }