assertNotNull(result);
        assertEquals("", testSearcher.lastQuery);
        assertEquals(params, testSearcher.lastParams);
        assertEquals(userBean, testSearcher.lastUserBean);
    }

    // Test implementation of RankFusionSearcher for testing purposes
    private static class TestRankFusionSearcher extends RankFusionSearcher {
        String lastQuery;
        SearchRequestParams lastParams;

    }

    protected IdsQueryBuilder regIdsQ(Collection<String> values) {
        checkEsInvalidQueryCollection("_id", values);
        IdsQueryBuilder idsQuery = QueryBuilders.idsQuery().addIds(values.toArray(new String[values.size()]));
        regQ(idsQuery);
        return idsQuery;
    }

    protected MatchQueryBuilder regMatchQ(String name, Object value) {
        checkEsInvalidQuery(name, value);

        queryContext = new QueryContext("allintitle:", false);
        assertEquals("*", queryContext.getQueryString());
        assertEquals("title", queryContext.getDefaultField());
    }

    // Test constructor with isQuery true (with request context)
    public void test_constructor_isQueryTrue() {
        getMockRequest().setAttribute(Constants.FIELD_LOGS, new HashMap<String, List<String>>());
        queryContext = new QueryContext("test", true);

    }

    protected IdsQueryBuilder regIdsQ(Collection<String> values) {
        checkEsInvalidQueryCollection("_id", values);
        IdsQueryBuilder idsQuery = QueryBuilders.idsQuery().addIds(values.toArray(new String[values.size()]));
        regQ(idsQuery);
        return idsQuery;
    }

    protected MatchQueryBuilder regMatchQ(String name, Object value) {
        checkEsInvalidQuery(name, value);

    }

    protected IdsQueryBuilder regIdsQ(Collection<String> values) {
        checkEsInvalidQueryCollection("_id", values);
        IdsQueryBuilder idsQuery = QueryBuilders.idsQuery().addIds(values.toArray(new String[values.size()]));
        regQ(idsQuery);
        return idsQuery;
    }

    protected MatchQueryBuilder regMatchQ(String name, Object value) {
        checkEsInvalidQuery(name, value);

		},
		// Test case - 4
		// Check for presigned.
		{
			req: &http.Request{
				URL: &url.URL{
					Host:     "127.0.0.1:9000",
					Scheme:   httpScheme,
					Path:     SlashSeparator,
					RawQuery: "X-Amz-Credential=EXAMPLEINVALIDEXAMPL%2Fs3%2F20160314%2Fus-east-1",
				},
			},
			authT: authTypePresigned,
		},
		// Test case - 5
		// Check for post policy.
		{
			req: &http.Request{

     * request-scoped attributes for highlighting and field logging.
     * @param queryString The query string to process.
     * @param isQuery Whether this is a search query (enables highlighting and logging).
     */
    @SuppressWarnings("unchecked")
    public QueryContext(final String queryString, final boolean isQuery) {
        if (queryString != null) {
            if (queryString.startsWith(ALLINURL_FIELD_PREFIX)) {

			HTTP: &madmin.TraceHTTPStats{
				ReqInfo: madmin.TraceRequestInfo{
					Time:     reqStartTime,
					Proto:    r.Proto,
					Method:   r.Method,
					RawQuery: redactLDAPPwd(r.URL.RawQuery),
					Client:   handlers.GetSourceIP(r),
					Headers:  reqHeaders,
					Path:     reqPath,
					Body:     reqRecorder.Data(),
				},
				RespInfo: madmin.TraceResponseInfo{

                }
                queryBuf.append(')');
            }
        }));

        final String baseQuery = queryBuf.toString().trim();
        if (StringUtil.isBlank(sortField)) {
            return baseQuery;
        }
        return baseQuery + " sort:" + sortField;
    }

    /**
     * Appends a query string to the query buffer with proper formatting.

	u, err := clnt.PresignHeader(r.Context(), http.MethodGet, bucket, object, duration, reqParams, extraHeaders)
	if err != nil {
		return levent.Event{}, err
	}

	ckSum := sha256.Sum256([]byte(cred.AccessKey + u.RawQuery))

	eventData := levent.Event{
		GetObjectContext: &levent.GetObjectContext{
			InputS3URL:  u.String(),
			OutputRoute: shortuuid.New(),
			OutputToken: hex.EncodeToString(ckSum[:]),
		},