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mirror of https://github.com/Chouchen/ShikiryuRSS.git synced 2024-05-07 02:31:31 +02:00

♻️ Refactores parser

For #4
This commit is contained in:
Clement Desmidt 2023-04-06 11:07:06 +02:00
parent 4783124a1d
commit bc0e818bbc
11 changed files with 438 additions and 337 deletions

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@ -18,6 +18,7 @@
"phpunit/phpunit": "^9"
},
"require": {
"ext-dom": "*"
"ext-dom": "*",
"ext-libxml": "*"
}
}

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@ -4,7 +4,7 @@ namespace Shikiryu\SRSS\Entity;
use Shikiryu\SRSS\Entity\Channel\Image;
class Channel
class Channel implements SRSSElement
{
public string $title;
public string $link;
@ -28,4 +28,20 @@ class Channel
public ?string $skipDays;
public array $required = ['title', 'link', 'description'];
/**
* @return bool
*/
public function isValid(): bool
{
return count(array_filter($this->required, fn($field) => !empty($this->{$field}))) === 0;
}
/**
* @return array
*/
public function toArray(): array
{
return get_object_vars($this);
}
}

View File

@ -2,7 +2,7 @@
namespace Shikiryu\SRSS\Entity;
class Item
class Item implements SRSSElement
{
public ?string $title;
public ?string $link;
@ -15,5 +15,20 @@ class Item
public ?string $pubDate;
public ?string $source;
/**
* @var \Shikiryu\SRSS\Entity\Media\Content[]
*/
public array $medias = [];
public array $required = ['description'];
public function isValid(): bool
{
return count(array_filter($this->required, fn($field) => !empty($this->{$field}))) === 0;
}
public function toArray(): array
{
return get_object_vars($this);
}
}

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@ -58,7 +58,6 @@ class Content extends DomDocument
}
}
/**
* main getter for properties
*

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@ -0,0 +1,16 @@
<?php
namespace Shikiryu\SRSS\Entity;
interface SRSSElement
{
/**
* @return bool
*/
public function isValid(): bool;
/**
* @return array
*/
public function toArray(): array;
}

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@ -2,46 +2,40 @@
namespace Shikiryu\SRSS;
use DOMDocument;
use DOMNodeList;
use DOMXPath;
use Iterator;
use ReturnTypeWillChange;
use Shikiryu\SRSS\Entity\Channel;
use Shikiryu\SRSS\Entity\Channel\Image;
use Shikiryu\SRSS\Entity\Item;
class SRSS extends DomDocument implements Iterator
class SRSS implements Iterator
{
protected DOMXPath $xpath; // xpath engine
protected array $items; // array of SRSSItems
public array $items; // array of SRSSItems
protected $attr; // array of RSS attributes
private $position; // Iterator position
private Channel $channel;
public Channel $channel;
// lists of possible attributes for RSS
protected $possibleAttr = [
'title' => 'nohtml',
'link' => 'link',
'description' => 'html',
'language' => '',
'title' => 'nohtml',
'link' => 'link',
'description' => 'html',
'language' => '',
//'language' => 'lang',
'copyright' => 'nohtml',
'pubDate' => 'date',
'lastBuildDate' => 'date',
'category' => 'nohtml',
'docs' => 'link',
'cloud' => '',
'generator' => 'nohtml',
'managingEditor' => 'email',
'webMaster' => 'email',
'ttl' => 'int',
'image' => '',
'rating' => 'nohtml',
'copyright' => 'nohtml',
'pubDate' => 'date',
'lastBuildDate' => 'date',
'category' => 'nohtml',
'docs' => 'link',
'cloud' => '',
'generator' => 'nohtml',
'managingEditor' => 'email',
'webMaster' => 'email',
'ttl' => 'int',
'image' => '',
'rating' => 'nohtml',
//'textInput' => '',
'skipHours' => 'hour',
'skipDays' => 'day',
'skipHours' => 'hour',
'skipDays' => 'day',
];
/**
@ -49,49 +43,20 @@ class SRSS extends DomDocument implements Iterator
*/
public function __construct()
{
libxml_use_internal_errors(true);
parent::__construct();
$this->xpath = new DOMXpath($this);
$this->attr = [];
$this->items = [];
$this->position = 0;
$this->formatOutput = true;
$this->preserveWhiteSpace = false;
}
/**
* Destructor
* manage of libxml errors
*/
public function __destruct()
{
foreach (libxml_get_errors() as $error) {
error_log($error->message, 3, 'error.log');
}
libxml_clear_errors();
}
/**
* @param string $link url of the rss
* @throws SRSSException
*
* @return SRSS
* @throws SRSSException
*/
public static function read(string $link): SRSS
{
$doc = new SRSS;
if(@$doc->load($link)) { // We don't want the warning in case of bad XML. Let's manage it with an exception.
$channel = $doc->getElementsByTagName('channel');
if($channel->length == 1){ // Good URL and good RSS
$doc->_loadAttributes(); // loading channel properties
$doc->getItems(); // loading all items
return $doc;
}
throw new SRSSException('invalid file '.$link);
}
throw new SRSSException('Can not open file '.$link);
return (new SRSSParser())->parse($link);
}
/**
@ -101,145 +66,13 @@ class SRSS extends DomDocument implements Iterator
public static function create()
{
$doc = new SRSS;
$root = $doc->createElement('rss');
$root->setAttribute('version', '2.0');
$channel = $doc->createElement('channel');
$root->appendChild($channel);
$doc->appendChild($root);
$doc->encoding = "UTF-8";
$doc->generator = 'Shikiryu RSS';
// $docs = 'http://www.scriptol.fr/rss/RSS-2.0.html';
$doc->channel = new Channel();
$doc->items = [];
return $doc;
}
/**
* getter of "image"'s channel attributes
* @return string|array
* TODO
*/
public function image()
{
$args = func_get_args();
if (func_num_args() == 0) {
$args[0] = 'url';
}
$img = $this->xpath->query('//channel/image');
if($img->length != 1) { // <image> is not in channel
return null;
}
$img = $img->item(0);
$r = [];
foreach($img->childNodes as $child) {
if($child->nodeType == XML_ELEMENT_NODE && in_array($child->nodeName, $args)) {
$r[$child->nodeName] = $child->nodeValue;
}
}
return (func_num_args() > 1) ? $r : $r[$args[0]];
}
/**
* setter of "image"'s channel attributes
* @param $url string picture's url
* @param $title string picture's title
* @param $link string link on the picture
* @param $width int width
* @param $height int height
* @param $description string description
* TODO
*/
public function setImage($url, $title, $link, $width = 0, $height = 0, $description = '')
{
$channel = $this->_getChannel();
$array = [];
$url = SRSSTools::checkLink($url);
$array['url'] = $url;
$title = SRSSTools::noHTML($title);
$array['title'] = $title;
$link = SRSSTools::checkLink($link);
$array['link'] = $link;
if($width != 0)
{
$width = SRSSTools::checkInt($width);
$array['width'] = $width;
}
if($height != 0)
{
$height = SRSSTools::checkInt($height);
$array['height'] = $height;
}
if($description != 0)
{
$description = SRSSTools::noHTML($description);
$array['description'] = $description;
}
if($this->image == null)
{
$node = $this->createElement('image');
$urlNode = $this->createElement('url', $url);
$titleNode = $this->createElement('title', $title);
$linkNode = $this->createElement('link', $link);
$node->appendChild($urlNode);
$node->appendChild($titleNode);
$node->appendChild($linkNode);
if($width != 0)
{
$widthNode = $this->createElement('width', $width);
$node->appendChild($widthNode);
}
if($height != 0)
{
$heightNode = $this->createElement('height', $height);
$node->appendChild($heightNode);
}
if($description != '')
{
$descNode = $this->createElement('description', $description);
$node->appendChild($descNode);
}
$channel->appendChild($node);
}
$this->attr['image'] = $array;
}
/**
* setter of "cloud"'s channel attributes
* @param $domain string domain
* @param $port int port
* @param $path string path
* @param $registerProcedure string register procedure
* @param $protocol string protocol
* TODO
*/
public function setCloud($domain, $port, $path, $registerProcedure, $protocol)
{
$channel = $this->_getChannel();
$array = array();
$domain = SRSSTools::noHTML($domain);
$array['domain'] = $domain;
$port = SRSSTools::checkInt($port);
$array['port'] = $port;
$path = SRSSTools::noHTML($path);
$array['path'] = $path;
$registerProcedure = SRSSTools::noHTML($registerProcedure);
$array['registerProcedure'] = $registerProcedure;
$protocol = SRSSTools::noHTML($protocol);
$array['protocol'] = $protocol;
if($this->cloud == null)
{
$node = $this->createElement('cloud');
$node->setAttribute('domain', $domain);
$node->setAttribute('port', $port);
$node->setAttribute('path', $path);
$node->setAttribute('registerProcedure', $registerProcedure);
$node->setAttribute('protocol', $protocol);
$channel->appendChild($node);
}
$this->attr['cloud'] = $array;
}
/**
* check if current RSS is a valid one (based on specifications)
* @return bool
@ -251,29 +84,15 @@ class SRSS extends DomDocument implements Iterator
$items = $this->getItems();
$invalidItems = [];
$i = 1;
foreach($items as $item){
if($item->isValid() === false){
foreach ($items as $item) {
if ($item->isValid() === false) {
$invalidItems[] = $i;
$valid = false;
}
$i++;
}
return ($valid && $this->title != null && $this->link != null && $this->description != null);
}
/**
* getter of current RSS channel
* @return \DOMNode
* @throws SRSSException
*/
private function _getChannel(): \DOMNode
{
$channel = $this->getElementsByTagName('channel');
if($channel->length != 1) {
throw new SRSSException('channel node not created, or too many channel nodes');
}
return $channel->item(0);
return ($valid && $this->channel->isValid());
}
/**
@ -283,104 +102,61 @@ class SRSS extends DomDocument implements Iterator
*/
public function __isset($name)
{
return isset($this->attr[$name]);
return isset($this->channel->{$name});
}
/**
* setter of others attributes
*
* @param $name
* @param $val
*
* @throws SRSSException
*/
public function __set($name, $val)
{
$channel = $this->_getChannel();
if(array_key_exists($name, $this->possibleAttr)){
$flag = $this->possibleAttr[$name];
$val = SRSSTools::check($val, $flag);
if(!empty($val)){
if($this->$name == null){
$node = $this->createElement($name, $val);
$channel->appendChild($node);
}
$this->attr[$name] = $val;
}
}else{
throw new SRSSException($name.' is not a possible item');
if (!array_key_exists($name, $this->possibleAttr)) {
throw new SRSSException($name . ' is not a possible item');
}
$flag = $this->possibleAttr[$name];
$val = SRSSTools::check($val, $flag);
if (!empty($val)) {
$this->channel->{$name} = $val;
}
}
/**
* getter of others attributes
*
* @param $name
*
* @return null|string
* @throws SRSSException
*/
public function __get($name)
{
if (isset($this->channel->{$name})) {
return $this->channel->{$name};
}
// $channel = $this->_getChannel();
if(array_key_exists($name, $this->possibleAttr)){
$tmp = $this->xpath->query('//channel/'.$name);
if($tmp->length != 1) {
return null;
}
return $tmp->item(0)->nodeValue;
}
throw new SRSSException($name.' is not a possible value.');
}
/**
* add a SRSS Item as an item into current RSS as first item
* @param SRSSItem $item
*/
public function addItemBefore(SRSSItem $item)
{
$node = $this->importNode($item->getItem(), true);
$items = $this->getElementsByTagName('item');
if($items->length != 0){
$firstNode = $items->item(0);
if($firstNode != null)
$firstNode->parentNode->insertBefore($node, $firstNode);
else
$this->addItem($item);
}
else
$this->addItem($item);
}
/**
* add a SRSS Item as an item into current RSS
* @param SRSSItem $item
*/
public function addItem(SRSSItem $item)
{
$node = $this->importNode($item->getItem(), true);
$channel = $this->_getChannel();
$channel->appendChild($node);
return $this->channel->{$name} ?? null;
}
/**
* rewind from Iterator
*/
public function rewind() {
public function rewind(): void
{
$this->position = 0;
}
/**
* current from Iterator
*/
public function current() {
public function current()
{
return $this->items[$this->position];
}
/**
* key from Iterator
*/
#[ReturnTypeWillChange] public function key(): int
public function key(): int
{
return $this->position;
}
@ -388,7 +164,7 @@ class SRSS extends DomDocument implements Iterator
/**
* next from Iterator
*/
#[ReturnTypeWillChange] public function next(): void
public function next(): void
{
++$this->position;
}
@ -396,7 +172,7 @@ class SRSS extends DomDocument implements Iterator
/**
* valid from Iterator
*/
#[ReturnTypeWillChange] public function valid(): bool
public function valid(): bool
{
return isset($this->items[$this->position]);
}
@ -417,11 +193,13 @@ class SRSS extends DomDocument implements Iterator
public function getLast(): Item
{
$items = $this->getItems();
return $items[array_key_last($items)];
}
/**
* getter of an item
*
* @param $i int
*
* @return Item|null
@ -429,6 +207,7 @@ class SRSS extends DomDocument implements Iterator
public function getItem(int $i): ?Item
{
$i--;
return $this->items[$i] ?? null;
}
@ -439,62 +218,9 @@ class SRSS extends DomDocument implements Iterator
*/
public function getItems(): array
{
if (!empty($this->items)) {
return $this->items;
}
$channel = $this->_getChannel();
/** @var DOMNodeList $items */
$items = $channel->getElementsByTagName('item');
$length = $items->length;
$this->items = [];
if ($length > 0) {
for($i = 0; $i < $length; $i++) {
$this->items[$i] = SRSSItem::read($items->item($i));
}
}
return $this->items;
}
/**
* display XML
* see DomDocument's docs
*/
public function show(): bool|string
{
// TODO build
return $this->saveXml();
}
/**
* putting all RSS attributes into the object
* @throws SRSSException
*/
private function _loadAttributes(): void
{
$node_channel = $this->_getChannel();
$this->channel = new Channel();
foreach($node_channel->childNodes as $child) {
if($child->nodeType == XML_ELEMENT_NODE && $child->nodeName !== 'item') {
if($child->nodeName == 'image') {
$image = new Image();
foreach($child->childNodes as $children) {
if($children->nodeType == XML_ELEMENT_NODE) {
$image->{$child->nodeName} = $children->nodeValue;
}
}
$this->channel->image = $image;
} else {
$this->channel->{$child->nodeName} = $child->nodeValue;
}
}
}
}
/**
* transform current object into an array
* @return array
@ -504,10 +230,10 @@ class SRSS extends DomDocument implements Iterator
{
$doc = $this->channel->toArray();
foreach($this->getItems() as $item) {
foreach ($this->getItems() as $item) {
$doc['items'][] = $item->toArray();
}
return $doc;
}
}
}

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@ -2,7 +2,161 @@
namespace Shikiryu\SRSS;
class SRSSBuilder
{
use DOMDocument;
class SRSSBuilder extends DomDocument
{
public function build()
{
$root = $this->createElement('rss');
$root->setAttribute('version', '2.0');
$channel = $this->createElement('channel');
$root->appendChild($channel);
$this->appendChild($root);
$this->encoding = 'UTF-8';
$this->generator = 'Shikiryu RSS';
$this->formatOutput = true;
$this->preserveWhiteSpace = false;
// $docs = 'http://www.scriptol.fr/rss/RSS-2.0.html';
}
/**
* add a SRSS Item as an item into current RSS as first item
* @param SRSSItem $item
*/
public function addItemBefore(SRSSItem $item)
{
$node = $this->importNode($item->getItem(), true);
$items = $this->getElementsByTagName('item');
if($items->length != 0){
$firstNode = $items->item(0);
if($firstNode != null)
$firstNode->parentNode->insertBefore($node, $firstNode);
else
$this->addItem($item);
}
else
$this->addItem($item);
}
/**
* add a SRSS Item as an item into current RSS
* @param SRSSItem $item
*/
public function addItem(SRSSItem $item)
{
$node = $this->importNode($item->getItem(), true);
$channel = $this->_getChannel();
$channel->appendChild($node);
}
/**
* display XML
* see DomDocument's docs
*/
public function show(): bool|string
{
// TODO build
return $this->saveXml();
}
/**
* setter of "image"'s channel attributes
* @param $url string picture's url
* @param $title string picture's title
* @param $link string link on the picture
* @param $width int width
* @param $height int height
* @param $description string description
* TODO
*/
public function setImage($url, $title, $link, $width = 0, $height = 0, $description = '')
{
$channel = $this->_getChannel();
$array = [];
$url = SRSSTools::checkLink($url);
$array['url'] = $url;
$title = SRSSTools::noHTML($title);
$array['title'] = $title;
$link = SRSSTools::checkLink($link);
$array['link'] = $link;
if($width != 0)
{
$width = SRSSTools::checkInt($width);
$array['width'] = $width;
}
if($height != 0)
{
$height = SRSSTools::checkInt($height);
$array['height'] = $height;
}
if($description != 0)
{
$description = SRSSTools::noHTML($description);
$array['description'] = $description;
}
if($this->image == null)
{
$node = $this->createElement('image');
$urlNode = $this->createElement('url', $url);
$titleNode = $this->createElement('title', $title);
$linkNode = $this->createElement('link', $link);
$node->appendChild($urlNode);
$node->appendChild($titleNode);
$node->appendChild($linkNode);
if($width != 0)
{
$widthNode = $this->createElement('width', $width);
$node->appendChild($widthNode);
}
if($height != 0)
{
$heightNode = $this->createElement('height', $height);
$node->appendChild($heightNode);
}
if($description != '')
{
$descNode = $this->createElement('description', $description);
$node->appendChild($descNode);
}
$channel->appendChild($node);
}
$this->attr['image'] = $array;
}
/**
* setter of "cloud"'s channel attributes
* @param $domain string domain
* @param $port int port
* @param $path string path
* @param $registerProcedure string register procedure
* @param $protocol string protocol
* TODO
*/
public function setCloud($domain, $port, $path, $registerProcedure, $protocol)
{
$channel = $this->_getChannel();
$array = array();
$domain = SRSSTools::noHTML($domain);
$array['domain'] = $domain;
$port = SRSSTools::checkInt($port);
$array['port'] = $port;
$path = SRSSTools::noHTML($path);
$array['path'] = $path;
$registerProcedure = SRSSTools::noHTML($registerProcedure);
$array['registerProcedure'] = $registerProcedure;
$protocol = SRSSTools::noHTML($protocol);
$array['protocol'] = $protocol;
if($this->cloud == null)
{
$node = $this->createElement('cloud');
$node->setAttribute('domain', $domain);
$node->setAttribute('port', $port);
$node->setAttribute('path', $path);
$node->setAttribute('registerProcedure', $registerProcedure);
$node->setAttribute('protocol', $protocol);
$channel->appendChild($node);
}
$this->attr['cloud'] = $array;
}
}

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@ -59,10 +59,8 @@ class SRSSItem extends DomDocument
if ($child->nodeType === XML_ELEMENT_NODE && $child->nodeName !== 'item') {
if (array_key_exists($child->nodeName, self::$possibilities) && self::$possibilities[$child->nodeName] === 'folder') {
self::_loadChildAttributes($item, $child);
} elseif ($child->nodeName === 'media:group') {
// TODO
} elseif ($child->nodeName === 'media:content') {
$item->{$child->nodeName} = new Content($child);
$item->medias[] = new Content($child);
} else {
$item->{$child->nodeName} = $child->nodeValue;
}

146
src/SRSSParser.php Normal file
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@ -0,0 +1,146 @@
<?php
namespace Shikiryu\SRSS;
use DOMDocument;
use DOMNodeList;
use DOMXPath;
use Shikiryu\SRSS\Entity\Channel;
use Shikiryu\SRSS\Entity\Channel\Image;
class SRSSParser extends DomDocument
{
private SRSS $doc;
private DOMXPath $xpath;
public function __construct()
{
libxml_use_internal_errors(true);
parent::__construct();
$this->xpath = new DOMXpath($this);
$this->doc = new SRSS();
}
/**
* Destructor
* manage of libxml errors
*/
public function __destruct()
{
foreach (libxml_get_errors() as $error) {
error_log($error->message, 3, 'error.log');
}
libxml_clear_errors();
}
/**
* @param string $link
*
* @return \Shikiryu\SRSS\SRSS
* @throws \Shikiryu\SRSS\SRSSException
*/
public function parse(string $link)
{
if(@$this->load($link)) { // We don't want the warning in case of bad XML. Let's manage it with an exception.
$channel = $this->getElementsByTagName('channel');
if($channel->length === 1){ // Good URL and good RSS
$this->_loadAttributes(); // loading channel properties
$this->getItems(); // loading all items
return $this->doc;
}
throw new SRSSException('invalid file '.$link);
}
throw new SRSSException('Can not open file '.$link);
}
/**
* @return array|mixed
* @throws \Shikiryu\SRSS\SRSSException
*/
private function getItems()
{
$channel = $this->_getChannel();
/** @var DOMNodeList $items */
$items = $channel->getElementsByTagName('item');
$length = $items->length;
$this->doc->items = [];
if ($length > 0) {
for($i = 0; $i < $length; $i++) {
$this->doc->items[$i] = SRSSItem::read($items->item($i));
}
}
return $this->doc->items;
}
/**
* putting all RSS attributes into the object
* @throws SRSSException
*/
private function _loadAttributes(): void
{
$node_channel = $this->_getChannel();
$this->doc->channel = new Channel();
foreach($node_channel->childNodes as $child) {
if ($child->nodeType === XML_ELEMENT_NODE && $child->nodeName !== 'item') {
if($child->nodeName === 'image') {
$image = new Image();
foreach($child->childNodes as $children) {
if($children->nodeType == XML_ELEMENT_NODE) {
$image->{$child->nodeName} = $children->nodeValue;
}
}
$this->doc->channel->image = $image;
} else {
$this->doc->channel->{$child->nodeName} = $child->nodeValue;
}
}
}
}
/**
* getter of current RSS channel
* @return \DOMNode
* @throws SRSSException
*/
private function _getChannel(): \DOMNode
{
$channel = $this->getElementsByTagName('channel');
if($channel->length != 1) {
throw new SRSSException('channel node not created, or too many channel nodes');
}
return $channel->item(0);
}
/**
* getter of "image"'s channel attributes
* @return string|array
* TODO
*/
public function image()
{
$args = func_get_args();
if (func_num_args() == 0) {
$args[0] = 'url';
}
$img = $this->xpath->query('//channel/image');
if ($img->length != 1) { // <image> is not in channel
return null;
}
$img = $img->item(0);
$r = [];
foreach ($img->childNodes as $child) {
if ($child->nodeType == XML_ELEMENT_NODE && in_array($child->nodeName, $args)) {
$r[$child->nodeName] = $child->nodeValue;
}
}
return (func_num_args() > 1) ? $r : $r[$args[0]];
}
}

View File

@ -20,4 +20,23 @@ class BasicReader extends TestCase
$this->expectException(SRSSException::class);
$rss = SRSS::read('not_found.xml');
}
public function testSpecificationExampleRSS()
{
$rss = SRSS::read(__DIR__.'/resources/harvard.xml');
self::assertEquals('Liftoff News', $rss->title);
self::assertEquals('http://liftoff.msfc.nasa.gov/', $rss->link);
self::assertEquals('Liftoff to Space Exploration.', $rss->description);
self::assertEquals('en-us', $rss->language);
self::assertEquals('Tue, 10 Jun 2003 04:00:00 GMT', $rss->pubDate);
self::assertEquals('Tue, 10 Jun 2003 09:41:01 GMT', $rss->lastBuildDate);
self::assertEquals('http://blogs.law.harvard.edu/tech/rss', $rss->docs);
self::assertEquals('Weblog Editor 2.0', $rss->generator);
self::assertEquals('editor@example.com', $rss->managingEditor);
self::assertEquals('webmaster@example.com', $rss->webMaster);
self::assertCount(4, $rss->items);
self::assertEquals('Star City', $rss->getFirst()->title);
self::assertEquals('http://liftoff.msfc.nasa.gov/news/2003/news-laundry.asp', $rss->getLast()->link);
self::assertEquals('Fri, 30 May 2003 11:06:42 GMT', $rss->getItem(2)->pubDate);
}
}

View File

@ -13,6 +13,17 @@ class MediaTest extends TestCase
$first_item = $rss->getFirst();
self::assertEquals('Kirstie Alley, \'Cheers\' and \'Veronica\'s Closet\' star, dead at 71', $first_item->title);
self::assertEquals('https://cdn.cnn.com/cnnnext/dam/assets/221205172141-kirstie-alley-2005-super-169.jpg', $first_item->{'media:content'}->url);
self::assertEquals('https://cdn.cnn.com/cnnnext/dam/assets/221205172141-kirstie-alley-2005-super-169.jpg', $first_item->medias[0]->url);
}
public function testMusicVideo()
{
$rss = SRSS::read('resources/media/music-video.xml');
self::assertEquals('Music Videos 101', $rss->title);
self::assertCount(1, $rss->items);
$first_item = $rss->getFirst();
self::assertEquals('http://www.foo.com/movie.mov', $first_item->medias[0]->url);
}
}