protected void sendToSlack(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://api.slack.com/messaging/webhooks#posting_with_webhooks
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String slackWebhookUrls = fessConfig.getSlackWebhookUrls();
        if (StringUtil.isBlank(slackWebhookUrls)) {
            return;
        }
        final String body = toSlackMessage(discloser);

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final StringBuilder resultBuf = new StringBuilder();

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

        TestFessConfig fessConfig = new TestFessConfig();
        fessConfig.logNotificationEnabled = false;
        ComponentUtil.setFessConfig(fessConfig);

        String result = logNotificationJob.execute();

        assertEquals("Log notification disabled.", result);
    }

    @Test
    public void test_execute_noNotificationTargets() {
        TestFessConfig fessConfig = new TestFessConfig();

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

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

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        final StringBuilder resultBuf = new StringBuilder();

        try {
            final long count = searchEngineClient.updateByQuery(fessConfig.getIndexDocumentUpdateIndex(), option -> {

        // Test with multiple different configs
        FessConfig[] configs = new FessConfig[5];
        FessTimeResourceProvider[] providers = new FessTimeResourceProvider[5];

        for (int i = 0; i < configs.length; i++) {
            final int value = i * 100;
            configs[i] = new FessConfig.SimpleImpl() {
                private static final long serialVersionUID = 1L;

            }
        };
    }

    // 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

    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,

    }

    @Override
    public Tuple3<String, String, String> createTask(final String path, final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String thumbnailId = DocumentUtil.getValue(docMap, fessConfig.getIndexFieldId(), String.class);
        final Tuple3<String, String, String> task = new Tuple3<>(getName(), thumbnailId, path);
        if (logger.isDebugEnabled()) {

                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));
                        docMap.put(fessConfig.getResponseFieldContentDescription(), viewHelper.getContentDescription(docMap));
                        docMap.put(fessConfig.getResponseFieldUrlLink(), viewHelper.getUrlLink(docMap));
                        docMap.put(fessConfig.getResponseFieldSitePath(), viewHelper.getSitePath(docMap));