cakephp/tests/TestCase/Utility/XmlTest.php

<?php
/**
 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
 * @since         1.2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\TestCase\Utility;

use Cake\Collection\Collection;
use Cake\Core\Configure;
use Cake\ORM\Entity;
use Cake\TestSuite\TestCase;
use Cake\Utility\Exception\XmlException;
use Cake\Utility\Xml;

/**
 * XmlTest class
 *
 */
class XmlTest extends TestCase
{

    /**
     * autoFixtures property
     *
     * @var bool
     */
    public $autoFixtures = false;

    /**
     * fixtures property
     * @var array
     */
    public $fixtures = [
        'core.articles', 'core.users'
    ];

    /**
     * setUp method
     *
     * @return void
     */
    public function setUp()
    {
        parent::setUp();
        $this->_appEncoding = Configure::read('App.encoding');
        Configure::write('App.encoding', 'UTF-8');
    }

    /**
     * tearDown method
     *
     * @return void
     */
    public function tearDown()
    {
        parent::tearDown();
        Configure::write('App.encoding', $this->_appEncoding);
    }

    /**
     * testBuild method
     *
     * @return void
     */
    public function testBuild()
    {
        $xml = '<tag>value</tag>';
        $obj = Xml::build($xml);
        $this->assertTrue($obj instanceof \SimpleXMLElement);
        $this->assertEquals('tag', (string)$obj->getName());
        $this->assertEquals('value', (string)$obj);

        $xml = '<?xml version="1.0" encoding="UTF-8"?><tag>value</tag>';
        $this->assertEquals($obj, Xml::build($xml));

        $obj = Xml::build($xml, ['return' => 'domdocument']);
        $this->assertTrue($obj instanceof \DOMDocument);
        $this->assertEquals('tag', $obj->firstChild->nodeName);
        $this->assertEquals('value', $obj->firstChild->nodeValue);

        $xml = CORE_TESTS . 'Fixture/sample.xml';
        $obj = Xml::build($xml);
        $this->assertEquals('tags', $obj->getName());
        $this->assertEquals(2, count($obj));

        $this->assertEquals(Xml::build($xml), Xml::build(file_get_contents($xml)));

        $obj = Xml::build($xml, ['return' => 'domdocument']);
        $this->assertEquals('tags', $obj->firstChild->nodeName);

        $this->assertEquals(
            Xml::build($xml, ['return' => 'domdocument']),
            Xml::build(file_get_contents($xml), ['return' => 'domdocument'])
        );

        $xml = ['tag' => 'value'];
        $obj = Xml::build($xml);
        $this->assertEquals('tag', $obj->getName());
        $this->assertEquals('value', (string)$obj);

        $obj = Xml::build($xml, ['return' => 'domdocument']);
        $this->assertEquals('tag', $obj->firstChild->nodeName);
        $this->assertEquals('value', $obj->firstChild->nodeValue);

        $obj = Xml::build($xml, ['return' => 'domdocument', 'encoding' => null]);
        $this->assertNotRegExp('/encoding/', $obj->saveXML());
    }

    /**
     * Test build() with a Collection instance.
     *
     * @return void
     */
    public function testBuildCollection()
    {
        $xml = new Collection(['tag' => 'value']);
        $obj = Xml::build($xml);

        $this->assertEquals('tag', $obj->getName());
        $this->assertEquals('value', (string)$obj);

        $xml = new Collection([
            'response' => [
                'users' => new Collection(['leonardo', 'raphael'])
            ]
        ]);
        $obj = Xml::build($xml);
        $this->assertContains('<users>leonardo</users>', $obj->saveXML());
    }

    /**
     * Test build() with ORM\Entity instances wrapped in a Collection.
     *
     * @return void
     */
    public function testBuildOrmEntity()
    {
        $user = new Entity(['username' => 'mark', 'email' => 'mark@example.com']);
        $xml = new Collection([
            'response' => [
                'users' => new Collection([$user])
            ]
        ]);
        $obj = Xml::build($xml);
        $output = $obj->saveXML();
        $this->assertContains('<username>mark</username>', $output);
        $this->assertContains('<email>mark@example.com</email>', $output);
    }

    /**
     * data provider function for testBuildInvalidData
     *
     * @return array
     */
    public static function invalidDataProvider()
    {
        return [
            [null],
            [false],
            [''],
            ['http://localhost/notthere.xml'],
        ];
    }

    /**
     * testBuildInvalidData
     *
     * @dataProvider invalidDataProvider
     * @expectedException \RuntimeException
     * @return void
     */
    public function testBuildInvalidData($value)
    {
        Xml::build($value);
    }

    /**
     * Test that building SimpleXmlElement with invalid XML causes the right exception.
     *
     * @expectedException \Cake\Utility\Exception\XmlException
     * @return void
     */
    public function testBuildInvalidDataSimpleXml()
    {
        $input = '<derp';
        Xml::build($input, ['return' => 'simplexml']);
    }

    /**
     * test build with a single empty tag
     *
     * @return void
     */
    public function testBuildEmptyTag()
    {
        try {
            Xml::build('<tag>');
            $this->fail('No exception');
        } catch (\Exception $e) {
            $this->assertTrue(true, 'An exception was raised');
        }
    }

    /**
     * testFromArray method
     *
     * @return void
     */
    public function testFromArray()
    {
        $xml = ['tag' => 'value'];
        $obj = Xml::fromArray($xml);
        $this->assertEquals('tag', $obj->getName());
        $this->assertEquals('value', (string)$obj);

        $xml = ['tag' => null];
        $obj = Xml::fromArray($xml);
        $this->assertEquals('tag', $obj->getName());
        $this->assertEquals('', (string)$obj);

        $xml = ['tag' => ['@' => 'value']];
        $obj = Xml::fromArray($xml);
        $this->assertEquals('tag', $obj->getName());
        $this->assertEquals('value', (string)$obj);

        $xml = [
            'tags' => [
                'tag' => [
                    [
                        'id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        'id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
        ];
        $obj = Xml::fromArray($xml, 'attributes');
        $this->assertTrue($obj instanceof \SimpleXMLElement);
        $this->assertEquals('tags', $obj->getName());
        $this->assertEquals(2, count($obj));
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>
	<tag id="1" name="defect"/>
	<tag id="2" name="enhancement"/>
</tags>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());

        $obj = Xml::fromArray($xml);
        $this->assertTrue($obj instanceof \SimpleXMLElement);
        $this->assertEquals('tags', $obj->getName());
        $this->assertEquals(2, count($obj));
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>
	<tag>
		<id>1</id>
		<name>defect</name>
	</tag>
	<tag>
		<id>2</id>
		<name>enhancement</name>
	</tag>
</tags>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());

        $xml = [
            'tags' => [
            ]
        ];
        $obj = Xml::fromArray($xml);
        $this->assertEquals('tags', $obj->getName());
        $this->assertEquals('', (string)$obj);

        $xml = [
            'tags' => [
                'bool' => true,
                'int' => 1,
                'float' => 10.2,
                'string' => 'ok',
                'null' => null,
                'array' => []
            ]
        ];
        $obj = Xml::fromArray($xml, 'tags');
        $this->assertEquals(6, count($obj));
        $this->assertSame((string)$obj->bool, '1');
        $this->assertSame((string)$obj->int, '1');
        $this->assertSame((string)$obj->float, '10.2');
        $this->assertSame((string)$obj->string, 'ok');
        $this->assertSame((string)$obj->null, '');
        $this->assertSame((string)$obj->array, '');

        $xml = [
            'tags' => [
                'tag' => [
                    [
                        '@id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        '@id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
        ];
        $obj = Xml::fromArray($xml, 'tags');
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>
	<tag id="1">
		<name>defect</name>
	</tag>
	<tag id="2">
		<name>enhancement</name>
	</tag>
</tags>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());

        $xml = [
            'tags' => [
                'tag' => [
                    [
                        '@id' => '1',
                        'name' => 'defect',
                        '@' => 'Tag 1'
                    ],
                    [
                        '@id' => '2',
                        'name' => 'enhancement'
                    ],
                ],
                '@' => 'All tags'
            ]
        ];
        $obj = Xml::fromArray($xml, 'tags');
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>All tags<tag id="1">Tag 1<name>defect</name></tag><tag id="2"><name>enhancement</name></tag></tags>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());

        $xml = [
            'tags' => [
                'tag' => [
                    'id' => 1,
                    '@' => 'defect'
                ]
            ]
        ];
        $obj = Xml::fromArray($xml, 'attributes');
        $xmlText = '<' . '?xml version="1.0" encoding="UTF-8"?><tags><tag id="1">defect</tag></tags>';
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());

        $xml = [
            'tag' => [
                '@' => 0,
                '@test' => 'A test'
            ]
        ];
        $obj = Xml::fromArray($xml);
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tag test="A test">0</tag>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $obj->asXML());
    }

    /**
     * Test non-sequential keys in list types.
     *
     * @return void
     */
    public function testFromArrayNonSequentialKeys()
    {
        $xmlArray = [
            'Event' => [
                [
                    'id' => '235',
                    'Attribute' => [
                        0 => [
                            'id' => '9646',
                        ],
                        2 => [
                            'id' => '9647',
                        ]
                    ]
                ]
            ]
        ];
        $obj = Xml::fromArray($xmlArray);
        $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<Event>
	<id>235</id>
	<Attribute>
		<id>9646</id>
	</Attribute>
	<Attribute>
		<id>9647</id>
	</Attribute>
</Event>
XML;
        $this->assertXmlStringEqualsXmlString($expected, $obj->asXML());
    }

    /**
     * testFromArrayPretty method
     *
     * @return void
     */
    public function testFromArrayPretty()
    {
        $xml = [
            'tags' => [
                'tag' => [
                    [
                        'id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        'id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
        ];

        $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags><tag><id>1</id><name>defect</name></tag><tag><id>2</id><name>enhancement</name></tag></tags>

XML;
        $xmlResponse = Xml::fromArray($xml, ['pretty' => false]);
        $this->assertTextEquals($expected, $xmlResponse->asXML());

        $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>
  <tag>
    <id>1</id>
    <name>defect</name>
  </tag>
  <tag>
    <id>2</id>
    <name>enhancement</name>
  </tag>
</tags>

XML;
        $xmlResponse = Xml::fromArray($xml, ['pretty' => true]);
        $this->assertTextEquals($expected, $xmlResponse->asXML());

                $xml = [
            'tags' => [
                'tag' => [
                    [
                        'id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        'id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
                ];

                $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags><tag id="1" name="defect"/><tag id="2" name="enhancement"/></tags>

XML;
                $xmlResponse = Xml::fromArray($xml, ['pretty' => false, 'format' => 'attributes']);
                $this->assertTextEquals($expected, $xmlResponse->asXML());

                $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<tags>
  <tag id="1" name="defect"/>
  <tag id="2" name="enhancement"/>
</tags>

XML;
                $xmlResponse = Xml::fromArray($xml, ['pretty' => true, 'format' => 'attributes']);
                $this->assertTextEquals($expected, $xmlResponse->asXML());
    }

    /**
     * data provider for fromArray() failures
     *
     * @return array
     */
    public static function invalidArrayDataProvider()
    {
        return [
            [''],
            [null],
            [false],
            [[]],
            [['numeric key as root']],
            [['item1' => '', 'item2' => '']],
            [['items' => ['item1', 'item2']]],
            [[
                'tags' => [
                    'tag' => [
                        [
                            [
                                'string'
                            ]
                        ]
                    ]
                ]
            ]],
            [[
                'tags' => [
                    '@tag' => [
                        [
                            '@id' => '1',
                            'name' => 'defect'
                        ],
                        [
                            '@id' => '2',
                            'name' => 'enhancement'
                        ]
                    ]
                ]
            ]],
            [new \DateTime()]
        ];
    }

    /**
     * testFromArrayFail method
     *
     * @dataProvider invalidArrayDataProvider
     * @expectedException \Exception
     * @return void
     */
    public function testFromArrayFail($value)
    {
        Xml::fromArray($value);
    }

    /**
     * Test that there are not unterminated errors when building xml
     *
     * @return void
     */
    public function testFromArrayUnterminatedError()
    {
        $data = [
            'product_ID' => 'GENERT-DL',
            'deeplink' => 'http://example.com/deep',
            'image_URL' => 'http://example.com/image',
            'thumbnail_image_URL' => 'http://example.com/thumb',
            'brand' => 'Malte Lange & Co',
            'availability' => 'in stock',
            'authors' => [
                'author' => ['Malte Lange & Co']
            ]
        ];
        $xml = Xml::fromArray(['products' => $data], 'tags');
        $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<products>
	<product_ID>GENERT-DL</product_ID>
	<deeplink>http://example.com/deep</deeplink>
	<image_URL>http://example.com/image</image_URL>
	<thumbnail_image_URL>http://example.com/thumb</thumbnail_image_URL>
	<brand>Malte Lange &amp; Co</brand>
	<availability>in stock</availability>
	<authors>
		<author>Malte Lange &amp; Co</author>
	</authors>
</products>
XML;
        $this->assertXmlStringEqualsXmlString($expected, $xml->asXML());
    }

    /**
     * testToArray method
     *
     * @return void
     */
    public function testToArray()
    {
        $xml = '<tag>name</tag>';
        $obj = Xml::build($xml);
        $this->assertEquals(['tag' => 'name'], Xml::toArray($obj));

        $xml = CORE_TESTS . 'Fixture/sample.xml';
        $obj = Xml::build($xml);
        $expected = [
            'tags' => [
                'tag' => [
                    [
                        '@id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        '@id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($obj));

        $array = [
            'tags' => [
                'tag' => [
                    [
                        'id' => '1',
                        'name' => 'defect'
                    ],
                    [
                        'id' => '2',
                        'name' => 'enhancement'
                    ]
                ]
            ]
        ];
        $this->assertEquals(Xml::toArray(Xml::fromArray($array, 'tags')), $array);

        $expected = [
            'tags' => [
                'tag' => [
                    [
                        '@id' => '1',
                        '@name' => 'defect'
                    ],
                    [
                        '@id' => '2',
                        '@name' => 'enhancement'
                    ]
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray(Xml::fromArray($array, 'attributes')));
        $this->assertEquals($expected, Xml::toArray(Xml::fromArray($array, ['return' => 'domdocument', 'format' => 'attributes'])));
        $this->assertEquals(Xml::toArray(Xml::fromArray($array)), $array);
        $this->assertEquals(Xml::toArray(Xml::fromArray($array, ['return' => 'domdocument'])), $array);

        $array = [
            'tags' => [
                'tag' => [
                    'id' => '1',
                    'posts' => [
                        ['id' => '1'],
                        ['id' => '2']
                    ]
                ],
                'tagOther' => [
                    'subtag' => [
                        'id' => '1'
                    ]
                ]
            ]
        ];
        $expected = [
            'tags' => [
                'tag' => [
                    '@id' => '1',
                    'posts' => [
                        ['@id' => '1'],
                        ['@id' => '2']
                    ]
                ],
                'tagOther' => [
                    'subtag' => [
                        '@id' => '1'
                    ]
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray(Xml::fromArray($array, 'attributes')));
        $this->assertEquals($expected, Xml::toArray(Xml::fromArray($array, ['format' => 'attributes', 'return' => 'domdocument'])));

        $xml = <<<XML
<root>
<tag id="1">defect</tag>
</root>
XML;
        $obj = Xml::build($xml);

        $expected = [
            'root' => [
                'tag' => [
                    '@id' => 1,
                    '@' => 'defect'
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($obj));

        $xml = <<<XML
<root>
	<table xmlns="http://www.w3.org/TR/html4/"><tr><td>Apples</td><td>Bananas</td></tr></table>
	<table xmlns="http://www.cakephp.org"><name>CakePHP</name><license>MIT</license></table>
	<table>The book is on the table.</table>
</root>
XML;
        $obj = Xml::build($xml);

        $expected = [
            'root' => [
                'table' => [
                    ['tr' => ['td' => ['Apples', 'Bananas']]],
                    ['name' => 'CakePHP', 'license' => 'MIT'],
                    'The book is on the table.'
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($obj));

        $xml = <<<XML
<root xmlns:cake="http://www.cakephp.org/">
<tag>defect</tag>
<cake:bug>1</cake:bug>
</root>
XML;
        $obj = Xml::build($xml);

        $expected = [
            'root' => [
                'tag' => 'defect',
                'cake:bug' => 1
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($obj));

        $xml = '<tag type="myType">0</tag>';
        $obj = Xml::build($xml);
        $expected = [
            'tag' => [
                '@type' => 'myType',
                '@' => 0
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($obj));
    }

    /**
     * testRss
     *
     * @return void
     */
    public function testRss()
    {
        $rss = file_get_contents(CORE_TESTS . 'Fixture/rss.xml');
        $rssAsArray = Xml::toArray(Xml::build($rss));
        $this->assertEquals('2.0', $rssAsArray['rss']['@version']);
        $this->assertEquals(2, count($rssAsArray['rss']['channel']['item']));

        $atomLink = ['@href' => 'http://bakery.cakephp.org/articles/rss', '@rel' => 'self', '@type' => 'application/rss+xml'];
        $this->assertEquals($rssAsArray['rss']['channel']['atom:link'], $atomLink);
        $this->assertEquals('http://bakery.cakephp.org/', $rssAsArray['rss']['channel']['link']);

        $expected = [
            'title' => 'Alertpay automated sales via IPN',
            'link' => 'http://bakery.cakephp.org/articles/view/alertpay-automated-sales-via-ipn',
            'description' => 'I\'m going to show you how I implemented a payment module via the Alertpay payment processor.',
            'pubDate' => 'Tue, 31 Aug 2010 01:42:00 -0500',
            'guid' => 'http://bakery.cakephp.org/articles/view/alertpay-automated-sales-via-ipn'
        ];
        $this->assertSame($expected, $rssAsArray['rss']['channel']['item'][1]);

        $rss = [
            'rss' => [
                'xmlns:atom' => 'http://www.w3.org/2005/Atom',
                '@version' => '2.0',
                'channel' => [
                    'atom:link' => [
                        '@href' => 'http://bakery.cakephp.org/articles/rss',
                        '@rel' => 'self',
                        '@type' => 'application/rss+xml'
                    ],
                    'title' => 'The Bakery: ',
                    'link' => 'http://bakery.cakephp.org/',
                    'description' => 'Recent  Articles at The Bakery.',
                    'pubDate' => 'Sun, 12 Sep 2010 04:18:26 -0500',
                    'item' => [
                        [
                            'title' => 'CakePHP 1.3.4 released',
                            'link' => 'http://bakery.cakephp.org/articles/view/cakephp-1-3-4-released'
                        ],
                        [
                            'title' => 'Wizard Component 1.2 Tutorial',
                            'link' => 'http://bakery.cakephp.org/articles/view/wizard-component-1-2-tutorial'
                        ]
                    ]
                ]
            ]
        ];
        $rssAsSimpleXML = Xml::fromArray($rss);
        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
<channel>
	<atom:link href="http://bakery.cakephp.org/articles/rss" rel="self" type="application/rss+xml"/>
	<title>The Bakery: </title>
	<link>http://bakery.cakephp.org/</link>
	<description>Recent  Articles at The Bakery.</description>
	<pubDate>Sun, 12 Sep 2010 04:18:26 -0500</pubDate>
	<item>
		<title>CakePHP 1.3.4 released</title>
		<link>http://bakery.cakephp.org/articles/view/cakephp-1-3-4-released</link>
	</item>
	<item>
		<title>Wizard Component 1.2 Tutorial</title>
		<link>http://bakery.cakephp.org/articles/view/wizard-component-1-2-tutorial</link>
	</item>
</channel>
</rss>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $rssAsSimpleXML->asXML());
    }

    /**
     * testXmlRpc
     *
     * @return void
     */
    public function testXmlRpc()
    {
        $xml = Xml::build('<methodCall><methodName>test</methodName><params /></methodCall>');
        $expected = [
            'methodCall' => [
                'methodName' => 'test',
                'params' => ''
            ]
        ];
        $this->assertSame($expected, Xml::toArray($xml));

        $xml = Xml::build('<methodCall><methodName>test</methodName><params><param><value><array><data><value><int>12</int></value><value><string>Egypt</string></value><value><boolean>0</boolean></value><value><int>-31</int></value></data></array></value></param></params></methodCall>');
        $expected = [
            'methodCall' => [
                'methodName' => 'test',
                'params' => [
                    'param' => [
                        'value' => [
                            'array' => [
                                'data' => [
                                    'value' => [
                                        ['int' => '12'],
                                        ['string' => 'Egypt'],
                                        ['boolean' => '0'],
                                        ['int' => '-31']
                                    ]
                                ]
                            ]
                        ]
                    ]
                ]
            ]
        ];
        $this->assertSame($expected, Xml::toArray($xml));

        $xmlText = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<methodResponse>
	<params>
		<param>
			<value>
				<array>
					<data>
						<value>
							<int>1</int>
						</value>
						<value>
							<string>testing</string>
						</value>
					</data>
				</array>
			</value>
		</param>
	</params>
</methodResponse>
XML;
        $xml = Xml::build($xmlText);
        $expected = [
            'methodResponse' => [
                'params' => [
                    'param' => [
                        'value' => [
                            'array' => [
                                'data' => [
                                    'value' => [
                                        ['int' => '1'],
                                        ['string' => 'testing']
                                    ]
                                ]
                            ]
                        ]
                    ]
                ]
            ]
        ];
        $this->assertSame($expected, Xml::toArray($xml));

        $xml = Xml::fromArray($expected, 'tags');
        $this->assertXmlStringEqualsXmlString($xmlText, $xml->asXML());
    }

    /**
     * testSoap
     *
     * @return void
     */
    public function testSoap()
    {
        $xmlRequest = Xml::build(CORE_TESTS . 'Fixture/soap_request.xml');
        $expected = [
            'Envelope' => [
                '@soap:encodingStyle' => 'http://www.w3.org/2001/12/soap-encoding',
                'soap:Body' => [
                    'm:GetStockPrice' => [
                        'm:StockName' => 'IBM'
                    ]
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($xmlRequest));

        $xmlResponse = Xml::build(CORE_TESTS . DS . 'Fixture/soap_response.xml');
        $expected = [
            'Envelope' => [
                '@soap:encodingStyle' => 'http://www.w3.org/2001/12/soap-encoding',
                'soap:Body' => [
                    'm:GetStockPriceResponse' => [
                        'm:Price' => '34.5'
                    ]
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($xmlResponse));

        $xml = [
            'soap:Envelope' => [
                'xmlns:soap' => 'http://www.w3.org/2001/12/soap-envelope',
                '@soap:encodingStyle' => 'http://www.w3.org/2001/12/soap-encoding',
                'soap:Body' => [
                    'xmlns:m' => 'http://www.example.org/stock',
                    'm:GetStockPrice' => [
                        'm:StockName' => 'IBM'
                    ]
                ]
            ]
        ];
        $xmlRequest = Xml::fromArray($xml, ['encoding' => null]);
        $xmlText = <<<XML
<?xml version="1.0"?>
<soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope" soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
	<soap:Body xmlns:m="http://www.example.org/stock">
	<m:GetStockPrice><m:StockName>IBM</m:StockName></m:GetStockPrice>
	</soap:Body>
</soap:Envelope>
XML;
        $this->assertXmlStringEqualsXmlString($xmlText, $xmlRequest->asXML());
    }

    /**
     * testNamespace
     *
     * @return void
     */
    public function testNamespace()
    {
        $xml = <<<XML
<root xmlns:ns="http://cakephp.org">
	<ns:tag id="1">
		<child>good</child>
		<otherchild>bad</otherchild>
	</ns:tag>
	<tag>Tag without ns</tag>
</root>
XML;
        $xmlResponse = Xml::build($xml);
        $expected = [
            'root' => [
                'ns:tag' => [
                    '@id' => '1',
                    'child' => 'good',
                    'otherchild' => 'bad'
                ],
                'tag' => 'Tag without ns'
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($xmlResponse));

        $xmlResponse = Xml::build('<root xmlns:ns="http://cakephp.org"><ns:tag id="1" /><tag><id>1</id></tag></root>');
        $expected = [
            'root' => [
                'ns:tag' => [
                    '@id' => '1'
                ],
                'tag' => [
                    'id' => '1'
                ]
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($xmlResponse));

        $xmlResponse = Xml::build('<root xmlns:ns="http://cakephp.org"><ns:attr>1</ns:attr></root>');
        $expected = [
            'root' => [
                'ns:attr' => '1'
            ]
        ];
        $this->assertEquals($expected, Xml::toArray($xmlResponse));

        $xmlResponse = Xml::build('<root><ns:attr xmlns:ns="http://cakephp.org">1</ns:attr></root>');
        $this->assertEquals($expected, Xml::toArray($xmlResponse));

        $xml = [
            'root' => [
                'ns:attr' => [
                    'xmlns:ns' => 'http://cakephp.org',
                    '@' => 1
                ]
            ]
        ];
        $expected = '<' . '?xml version="1.0" encoding="UTF-8"?><root><ns:attr xmlns:ns="http://cakephp.org">1</ns:attr></root>';
        $xmlResponse = Xml::fromArray($xml);
        $this->assertEquals($expected, str_replace(["\r", "\n"], '', $xmlResponse->asXML()));

        $xml = [
            'root' => [
                'tag' => [
                    'xmlns:pref' => 'http://cakephp.org',
                    'pref:item' => [
                        'item 1',
                        'item 2'
                    ]
                ]
            ]
        ];
        $expected = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<root>
	<tag xmlns:pref="http://cakephp.org">
		<pref:item>item 1</pref:item>
		<pref:item>item 2</pref:item>
	</tag>
</root>
XML;
        $xmlResponse = Xml::fromArray($xml);
        $this->assertXmlStringEqualsXmlString($expected, $xmlResponse->asXML());

        $xml = [
            'root' => [
                'tag' => [
                    'xmlns:' => 'http://cakephp.org'
                ]
            ]
        ];
        $expected = '<' . '?xml version="1.0" encoding="UTF-8"?><root><tag xmlns="http://cakephp.org"/></root>';
        $xmlResponse = Xml::fromArray($xml);
        $this->assertXmlStringEqualsXmlString($expected, $xmlResponse->asXML());

        $xml = [
            'root' => [
                'xmlns:' => 'http://cakephp.org'
            ]
        ];
        $expected = '<' . '?xml version="1.0" encoding="UTF-8"?><root xmlns="http://cakephp.org"/>';
        $xmlResponse = Xml::fromArray($xml);
        $this->assertXmlStringEqualsXmlString($expected, $xmlResponse->asXML());

        $xml = [
            'root' => [
                'xmlns:ns' => 'http://cakephp.org'
            ]
        ];
        $expected = '<' . '?xml version="1.0" encoding="UTF-8"?><root xmlns:ns="http://cakephp.org"/>';
        $xmlResponse = Xml::fromArray($xml);
        $this->assertXmlStringEqualsXmlString($expected, $xmlResponse->asXML());
    }

    /**
     * test that CDATA blocks don't get screwed up by SimpleXml
     *
     * @return void
     */
    public function testCdata()
    {
        $xml = '<' . '?xml version="1.0" encoding="UTF-8"?>' .
            '<people><name><![CDATA[ Mark ]]></name></people>';

        $result = Xml::build($xml);
        $this->assertEquals(' Mark ', (string)$result->name);
    }

    /**
     * data provider for toArray() failures
     *
     * @return array
     */
    public static function invalidToArrayDataProvider()
    {
        return [
            [new \DateTime()],
            [[]]
        ];
    }

    /**
     * testToArrayFail method
     *
     * @dataProvider invalidToArrayDataProvider
     * @expectedException \Cake\Utility\Exception\XmlException
     * @return void
     */
    public function testToArrayFail($value)
    {
        Xml::toArray($value);
    }

    /**
     * Test ampersand in text elements.
     *
     * @return void
     */
    public function testAmpInText()
    {
        $data = [
            'outer' => [
                'inner' => ['name' => 'mark & mark']
            ]
        ];
        $obj = Xml::build($data);
        $result = $obj->asXml();
        $this->assertContains('mark &amp; mark', $result);
    }

    /**
     * Test that entity loading is disabled by default.
     *
     * @return void
     */
    public function testNoEntityLoading()
    {
        $file = str_replace(' ', '%20', CAKE . 'VERSION.txt');
        $xml = <<<XML
<!DOCTYPE cakephp [
  <!ENTITY payload SYSTEM "file://$file" >]>
<request>
  <xxe>&payload;</xxe>
</request>
XML;
        $result = Xml::build($xml);
    }
}