<?php /** * Copyright © Magento, Inc. All rights reserved. * See COPYING.txt for license details. */ namespace Magento\Framework\Data\Test\Unit; use \Magento\Framework\Data\Tree\Node; use \Magento\Framework\Data\Tree; /** * Tests for \Magento\Framework\Data\FormFactory * @SuppressWarnings(PHPMD.LongVariable) */ class TreeTest extends \PHPUnit\Framework\TestCase { /** * @var \Magento\Framework\Data\Tree */ protected $_tree; protected function setUp() { $this->_tree = new Tree(); } public function testTreeOperations() { $newNode1 = new Node('abc', 'node1', $this->_tree); $this->_tree->addNode($newNode1); $newNode2 = new Node('def', 'node2', $this->_tree); $this->_tree->addNode($newNode2, $newNode1); $newNode3 = new Node('ghi', 'node3', $this->_tree); $this->_tree->addNode($newNode3, $newNode1); $data1 = ['j', 'k', 'l']; $this->_tree->appendChild($data1, $newNode3); $newNode4 = new Node('mno', 'node4', $this->_tree); $this->_tree->appendChild($newNode4, $newNode3); $this->_tree->removeNode($newNode4); $this->_tree->removeNode($newNode3); $this->_tree->removeNode($newNode2); $this->_tree->removeNode($newNode1); $this->assertEmpty($this->_tree->getNodes()->getNodes()); } }