public static final String DEFAULT_PURGE_DAY = "-1";

    public static final String DEFAULT_SUGGEST_PURGE_DAY = "30";

    public static final String DEFAULT_PURGE_BY_BOTS =
            "Crawler,crawler,Bot,bot,Slurp,Yeti,Baidu,Steeler,ichiro,hotpage,Feedfetcher,ia_archiver,Y!J-BRI,Google Desktop,Seznam,Tumblr,YandexBot,Chilkat,CloudFront,Mediapartners,MSIE 6";

        assertEquals(0, ((org.codelibs.fess.crawler.client.http.RequestHeader[]) initParamMap.get("requestHeaders")).length);
        assertEquals("Mozilla/5.0 (compatible; Fess/98.76; +http://fess.codelibs.org/bot.html)", initParamMap.get("userAgent"));
        assertEquals(0, ((Authentication[]) initParamMap.get("basicAuthentications")).length);
        assertTrue(Boolean.valueOf(initParamMap.get("robotsTxtEnabled").toString()).booleanValue());

                return "98.76";
            }
        };
        ComponentUtil.register(systemHelper, "systemHelper");

        assertEquals("Mozilla/5.0 (compatible; Fess/98.76; +http://fess.codelibs.org/bot.html)", fessConfig.getUserAgentName());

        systemPropMap.put(Constants.CRAWLING_USER_AGENT_PROPERTY, "TestAgent");
        assertEquals("TestAgent", fessConfig.getUserAgentName());
    }