@Test
public void getContentUrl()
{

    final File cacheFile = new File("/some/path");
    final String expectedUrl = "store://some/url";
    Mockito.when(lookupTable.get(Key.forCacheFile(cacheFile))).thenReturn(expectedUrl);
    
    String url = contentCache.getContentUrl(cacheFile);
    
    assertEquals("Content URLs should match", expectedUrl, url);
}