String[] values = localLogMsg.get().split("\t");
        assertEquals(5, values.length);
        assertEquals("url:test", values[0]);
        assertTrue(values[1].startsWith("time:"));
        assertTrue(values[2].startsWith("done:"));
        assertTrue(values[3].startsWith("aaa:"));
        assertTrue(values[4].startsWith("bbb:"));

        localLogMsg.remove();
        crawlerStatsHelper.done(key);
        assertNull(localLogMsg.get());