@Test
public void getReaderForItemInCache()
{

    when(cache.contains("url")).thenReturn(true);
    when(cache.getReader("url")).thenReturn(cachedContent);
    
    ContentReader returnedReader = cachingStore.getReader("url");        
    
    assertSame(returnedReader, cachedContent);
    verify(backingStore, never()).getReader(anyString());
}