assertEquals("url", fessConfig.getIndexFieldUrl());
    }

    public void test_indexFieldDocId() {
        assertEquals("doc_id", fessConfig.getIndexFieldDocId());
    }

    public void test_indexFieldId() {
        assertEquals("id", fessConfig.getIndexFieldId());
    }

    public void test_indexFieldVersion() {
        assertEquals("_version", fessConfig.getIndexFieldVersion());
    }