assertEquals(TermQuery.class, query.getClass());
        assertEquals("_default:fess", ((TermQuery) query).getTerm().toString());

        query = queryParser.createDefaultFilterChain().parse("title:fess");
        assertEquals(TermQuery.class, query.getClass());
        assertEquals("title:fess", ((TermQuery) query).getTerm().toString());

        query = queryParser.createDefaultFilterChain().parse("fess*");

        setupEpg(_epgMap, et -> ((RelatedQuery) et).getQueries(), (et, vl) -> ((RelatedQuery) et).setQueries((String[]) vl), "queries");
        setupEpg(_epgMap, et -> ((RelatedQuery) et).getTerm(), (et, vl) -> ((RelatedQuery) et).setTerm(DfTypeUtil.toString(vl)), "term");
        setupEpg(_epgMap, et -> ((RelatedQuery) et).getUpdatedBy(), (et, vl) -> ((RelatedQuery) et).setUpdatedBy(DfTypeUtil.toString(vl)),
                "updatedBy");

        List<RelatedContent> result = relatedContentHelper.getAvailableRelatedContentList();
        assertEquals(2, result.size());
        assertEquals("term1", result.get(0).getTerm());
        assertEquals("term2", result.get(1).getTerm());
    }

    @Test
    public void test_load_emptyList() {
        mockBhv.setTestData(new ArrayList<>());

        int count = relatedContentHelper.load();

        List<RelatedQuery> result = relatedQueryHelper.getAvailableRelatedQueryList();
        assertEquals(2, result.size());
        assertEquals("term1", result.get(0).getTerm());
        assertEquals("term2", result.get(1).getTerm());
    }

    @Test
    public void test_load_emptyList() {
        mockBhv.setTestData(new ArrayList<>());

        int count = relatedQueryHelper.load();

        setupEpg(_epgMap, et -> ((KeyMatch) et).getQuery(), (et, vl) -> ((KeyMatch) et).setQuery(DfTypeUtil.toString(vl)), "query");
        setupEpg(_epgMap, et -> ((KeyMatch) et).getTerm(), (et, vl) -> ((KeyMatch) et).setTerm(DfTypeUtil.toString(vl)), "term");
        setupEpg(_epgMap, et -> ((KeyMatch) et).getUpdatedBy(), (et, vl) -> ((KeyMatch) et).setUpdatedBy(DfTypeUtil.toString(vl)),
                "updatedBy");

                (et, vl) -> ((RelatedContent) et).setSortOrder(DfTypeUtil.toInteger(vl)), "sortOrder");
        setupEpg(_epgMap, et -> ((RelatedContent) et).getTerm(), (et, vl) -> ((RelatedContent) et).setTerm(DfTypeUtil.toString(vl)),
                "term");
        setupEpg(_epgMap, et -> ((RelatedContent) et).getUpdatedBy(),

                        queryMap = new HashMap<>();
                        keyMatchQueryMap.put(virtualHost, queryMap);
                    }
                    final String termKey = toLowerCase(keyMatch.getTerm());
                    List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>> boostList = queryMap.get(termKey);
                    if (boostList == null) {
                        boostList = new ArrayList<>();

        final String field = getSearchField(context.getDefaultField(), wildcardQuery.getField());
        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = wildcardQuery.getTerm().text();
            context.addFieldLog(field, text);
            final String highlightText = StringUtils.strip(text, "*");
            if (StringUtil.isNotBlank(highlightText)) {

                relatedContentMap.put(key, pair);
            }
            if (entity.getTerm().startsWith(regexPrefix)) {
                final String regex = entity.getTerm().substring(regexPrefix.length());
                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {

            if (map == null) {
                map = new HashMap<>();
                relatedQueryMap.put(key, map);
            }
            map.put(toLowerCase(entity.getTerm()), entity.getQueries());
        });
        this.relatedQueryMap = relatedQueryMap;
        return relatedQueryMap.size();
    }

    /**
     * Extracts the virtual host key from a RelatedQuery entity.