public function testFetch($content)
{
$responseMock = $this->getMockBuilder('Guzzle\\Http\\Message\\Response')->disableOriginalConstructor()->getMock();
$responseMock->expects($this->once())->method('isSuccessful')->will($this->returnValue(true));
$responseMock->expects($this->once())->method('getBody')->will($this->returnValue($content));
$requestMock = $this->getMockBuilder('Guzzle\\Http\\Message\\Request')->disableOriginalConstructor()->getMock();
$requestMock->expects($this->once())->method('send')->will($this->returnValue($responseMock));
$this->httpMock->expects($this->once())->method('get')->will($this->returnValue($requestMock));
$this->fastFeed->addFeed('desarrolla2', 'http://desarrolla2.com/feed/');
$this->fastFeed->pushParser(new RSSParser());
$this->fastFeed->fetch('desarrolla2');
}