<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);

namespace Magento\Framework\Simplexml\Test\Unit;

use Magento\Framework\Simplexml\Element;
use PHPUnit\Framework\TestCase;

class ElementTest extends TestCase
{
/**
* @dataProvider xmlDataProvider
*/
public function testUnsetSelf($xmlData)
{
/** @var Element $xml */
$xml = simplexml_load_file($xmlData[0], $xmlData[1]);
$this->assertObjectHasAttribute('node4', $xml->node3);
$xml->node3->unsetSelf();
$this->assertObjectNotHasAttribute('node4', $xml->node3);
$this->assertObjectNotHasAttribute('node3', $xml);
$this->assertObjectHasAttribute('node1', $xml);
}

/**
* @dataProvider xmlDataProvider
*/
public function testGetParent($xmlData)
{
$this->expectException('InvalidArgumentException');
$this->expectExceptionMessage('Root node could not be unset.');
/** @var Element $xml */
$xml = simplexml_load_file($xmlData[0], $xmlData[1]);
$this->assertEquals('root', $xml->getName());
$xml->unsetSelf();
}

/**
* Data Provider for testUnsetSelf and testUnsetSelfException
*/
public static function xmlDataProvider()
{
return [
[[__DIR__ . '/_files/data.xml', Element::class]]
];
}

public function testAsNiceXmlMixedData()
{
$dataFile = file_get_contents(__DIR__ . '/_files/mixed_data.xml');
/** @var Element $xml */
$xml = simplexml_load_string($dataFile, Element::class);

$expected = <<<XML
<root>
<node_1 id="1">Value 1
<node_1_1>Value 1.1
<node_1_1_1>Value 1.1.1</node_1_1_1>
</node_1_1>
</node_1>
<node_2>
<node_2_1>Value 2.1</node_2_1>
</node_2>
</root>

XML;
$this->assertEquals($expected, $xml->asNiceXml());
}

public function testAppendChild()
{
/** @var Element $baseXml */
$baseXml = simplexml_load_string('<root/>', Element::class);
/** @var Element $appendXml */
$appendXml = simplexml_load_string(
'<node_a attr="abc"><node_b innerAttribute="xyz">text</node_b></node_a>',
Element::class
);
$baseXml->appendChild($appendXml);

$expectedXml = '<root><node_a attr="abc"><node_b innerAttribute="xyz">text</node_b></node_a></root>';
$this->assertXmlStringEqualsXmlString($expectedXml, $baseXml->asNiceXml());
}

public function testSetNode()
{
$path = '/node1/node2';
$value = 'value';
/** @var Element $xml */
$xml = simplexml_load_string('<root/>', Element::class);
$this->assertEmpty($xml->xpath('/root/node1/node2'));
$xml->setNode($path, $value);
$this->assertNotEmpty($xml->xpath('/root/node1/node2'));
$this->assertEquals($value, (string)$xml->xpath('/root/node1/node2')[0]);
}

/**
* @dataProvider setAttributeDataProvider
* @param string $name
* @param string $value
*/
public function testSetAttribute($name, $value)
{
/** @var Element $xml */
$xml = simplexml_load_string('<root name="test2" data=""/>', Element::class);
$this->assertEquals($xml->getAttribute('name'), 'test2');
$this->assertNull($xml->getAttribute('new'));
$xml->setAttribute($name, $value);
$this->assertEquals($xml->getAttribute($name), $value);
}

/**
* @return array
*/
public function setAttributeDataProvider()
{
return [
['name', 'test'],
['new', 'beard'],
['data', 'some-data']
];
}
}