public function testCreateFromResponse()
 {
     $mockResponse = $this->createMockResponse('MockChannelResponse');
     $channel = Channel::createFromResponse($mockResponse);
     $this->assertInstanceOf('BinaryThinking\\LastfmBundle\\Lastfm\\Model\\Channel', $channel, 'object created is not an instance of Channel');
     $this->assertNotEmpty($channel->getTitle(), 'title is empty');
     $this->assertNotEmpty($channel->getLink(), 'link is empty');
     $this->assertNotEmpty($channel->getDescription(), 'description is empty');
     $this->assertNotEmpty($channel->getItems(), 'items are empty');
 }
 /**
  * Get a podcast of free mp3s based on an artist
  * 
  * @param string $artist the artist name
  * @param string $mbid the musicbrainz id for the artist
  * @param bool $autocorrect transform misspelled artist names into correct artist names
  */
 public function getPodcast($artist, $mbid = null, $autocorrect = true)
 {
     $response = $this->call(array('method' => 'artist.getPodcast', 'artist' => $artist, 'mbid' => $mbid, 'autocorrect' => $autocorrect));
     $channels = array();
     if (!empty($response->rss->channel)) {
         foreach ($response->rss->channel as $channel) {
             $channels[] = LastfmModel\Channel::createFromResponse($channel);
         }
     }
     return $channels;
 }