final Map<String, FieldAnalyzerMapping> mappingMap = new HashMap<>();
        SearchResponse response = client.prepareSearch(analyzerSettingsIndexName)
                .setQuery(QueryBuilders.termQuery(FieldNames.ANALYZER_SETTINGS_TYPE, FIELD_ANALYZER_MAPPING))
                .setScroll(settings.getScrollTimeout())
                .execute()
                .actionGet(settings.getSearchTimeout());

        };
        ComponentUtil.register(client, "searchEngineClient");

        final String url = "http://test.com/";

        assertEquals(1, indexingHelper.deleteDocumentByQuery(client, QueryBuilders.termQuery("fess.update", url)));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(url, resultMap.get("url"));
    }

    @Test
    public void test_getDocument() {

                final QueryBuilder queryBuilder = QueryBuilders.boolQuery()
                        .filter(QueryBuilders.termsQuery(OpenSearchAccessResult.SESSION_ID, sessionIdList))
                        .filter(QueryBuilders.termQuery(OpenSearchAccessResult.STATUS, org.codelibs.fess.crawler.Constants.OK_STATUS));
                builder.setQuery(queryBuilder);
                builder.setFrom(0);

        return ComponentUtil.getSearchEngineClient().getDocument(fessConfig.getIndexDocumentSearchIndex(), builder -> {
            final BoolQueryBuilder boolQuery =
                    QueryBuilders.boolQuery().must(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
            final Set<String> roleSet = ComponentUtil.getRoleQueryHelper().build(SearchRequestType.JSON); // TODO SearchRequestType?

        assertTrue(context.getQueryBuilder().toString().contains("function_score"));
    }

    @Test
    public void test_addBoostFunction_withFilter() {
        QueryBuilder filter = QueryBuilders.termQuery("category", "test");
        queryHelper.addBoostFunction(filter, ScoreFunctionBuilders.weightFactorFunction(2.0f));

        QueryContext context = buildQuery("test");

                    final DocumentHelper documentHelper = ComponentUtil.getDocumentHelper();
                    context.addQuery(boolQuery -> {
                        boolQuery.filter(QueryBuilders.termQuery(fessConfig.getIndexFieldContentMinhashBits(),
                                documentHelper.decodeSimilarDocHash(similarDocHash)));
                    });
                }

                searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(), searchRequestBuilder -> {
                    searchRequestBuilder.setQuery(
                            QueryBuilders.termsQuery(docIdField, deleteFileMap.keySet().toArray(new String[deleteFileMap.size()])));
                    searchRequestBuilder.setFetchSource(new String[] { docIdField }, StringUtil.EMPTY_STRINGS);
                    return true;