public function testGetFeedsWithCache()
{
$dataProvider = $this->getMock('Magento\\Framework\\App\\Rss\\DataProviderInterface');
$dataProvider->expects($this->any())->method('getCacheKey')->will($this->returnValue('cache_key'));
$dataProvider->expects($this->any())->method('getCacheLifetime')->will($this->returnValue(100));
$dataProvider->expects($this->never())->method('getRssData');
$this->rss->setDataProvider($dataProvider);
$this->cacheInterface->expects($this->once())->method('load')->will($this->returnValue(serialize($this->feedData)));
$this->cacheInterface->expects($this->never())->method('save');
$this->assertEquals($this->feedData, $this->rss->getFeeds());
}
