<?php namespace PharIo\Manifest; use DOMDocument; class ComponentElementCollectionTest extends \PHPUnit\Framework\TestCase { public function testComponentElementCanBeRetrievedFromCollection() { $dom = new DOMDocument(); $dom->loadXML('<?xml version="1.0" ?><component xmlns="https://phar.io/xml/manifest/1.0" />'); $collection = new ComponentElementCollection($dom->childNodes); foreach($collection as $componentElement) { $this->assertInstanceOf(ComponentElement::class, $componentElement); } } }