}
        };
    }

    // Helper method to create test FessConfig
    private FessConfig createTestFessConfig() {
        return new TestFessConfig();
    }

    // Test configuration class extending FessConfig.SimpleImpl
    private static class TestFessConfig extends FessConfig.SimpleImpl {
        private static final long serialVersionUID = 1L;

        @Override

        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Set<String> getApiPingEsFieldSet() {
                return new HashSet<>();
            }
        };
        ComponentUtil.register(mockConfig, "fessConfig");

    }

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {
            num = fessConfig.getPagingSearchPageSizeAsInteger();
        }
        if (num > fessConfig.getPagingSearchPageMaxSizeAsInteger().intValue() || num <= 0) {
            num = fessConfig.getPagingSearchPageMaxSizeAsInteger();
        }
        return num;
    }

                    index = fessConfig.getIndexConfigIndex();
                } else if ("fess_user".equals(index)) {
                    index = fessConfig.getIndexUserIndex();
                } else if ("fess_basic_config".equals(index) && !"fess_config".equals(fessConfig.getIndexConfigIndex())) {
                    index = "basic_" + fessConfig.getIndexConfigIndex();
                }

                    }
                }
                return count;
            }
        };

        final FessConfig fessConfig = new TestFessConfig(tempDir.toString(), "cache", "100");
        ComponentUtil.register(searchEngineClient, "searchEngineClient");
        ComponentUtil.setFessConfig(fessConfig);
    }

    // --- query() tests ---

    @Test
    public void test_query_returnsThis() {

    protected static class SearchLogContext {
        final FessConfig fessConfig;
        final String[] roles;
        final String userCode;
        final String userId;
        final HttpServletRequest request;
        final String clientIp;
        final String virtualHostKey;

        SearchLogContext(final FessConfig fessConfig, final String[] roles, final String userCode, final String userId,

     * @return the converted QueryBuilder
     */
    protected QueryBuilder convertTermRangeQuery(final QueryContext context, final TermRangeQuery termRangeQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), termRangeQuery.getField());

        if (!isSearchField(field)) {

         */
        protected final FessConfig fessConfig;

        FilePurgeVisitor(final Path basePath, final String imageExtention, final long expiry) {
            this.basePath = basePath;
            this.imageExtention = imageExtention;
            this.expiry = expiry;
            fessConfig = ComponentUtil.getFessConfig();
            maxPurgeSize = fessConfig.getPageThumbnailPurgeMaxFetchSizeAsInteger();

        // this configuration is on fess_env.properties because this is true only when development
        direction.directDevelopmentHere(fessConfig.isDevelopmentHere());

        // titles of the application for logging are from configurations
        direction.directLoggingTitle(fessConfig.getDomainTitle(), fessConfig.getEnvironmentTitle());

        // this configuration is on sea_env.properties because it has no influence to production

        buf.append("[HOTTHREAD MONITOR] ");

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        buf.append('{');

        final boolean ignoreIdleThreads = Constants.TRUE.equalsIgnoreCase(fessConfig.getCrawlerHotthreadIgnoreIdleThreads());
        final TimeValue interval = TimeValue.parseTimeValue(fessConfig.getCrawlerHotthreadInterval(), "crawler.hotthread.interval");