@Override
            public boolean isChangedClusterState(int status) {
                // State has changed
                return true;
            }

            @Override
            public String getHostname() {
                return "test-hostname";
            }
        };

        FessConfig fessConfig = createTestFessConfig();

        // Register components

        // host/port/realm: only set if not blank (null means "any" - AuthScope.ANY equivalent)
        if (StringUtil.isNotBlank(getHostname())) {
            config.setHost(getHostname());
        }
        if (getPort() != null) {
            config.setPort(getPort());
        }
        if (StringUtil.isNotBlank(getAuthRealm())) {
            config.setRealm(getAuthRealm());

            return;
        }

        try {
            final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
            final String hostname = ComponentUtil.getSystemHelper().getHostname();
            final String indexName = resolveIndexName();

            ensureIndexExists(client, indexName);

            for (int i = 0; i < events.size(); i += BATCH_SIZE) {

                    } else {
                        postcard.addTo(fessConfig.getMailFromAddress());
                        postcard.dryrun();
                    }
                    postcard.setHostname(systemHelper.getHostname());
                    postcard.setLevel(level);
                    postcard.setCount(String.valueOf(levelEvents.size()));

                (et, vl) -> ((FileAuthentication) et).setFileConfigId(DfTypeUtil.toString(vl)), "fileConfigId");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getHostname(),
                (et, vl) -> ((FileAuthentication) et).setHostname(DfTypeUtil.toString(vl)), "hostname");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getParameters(),

        final long now = System.currentTimeMillis();
        final long ttl = ComponentUtil.getFessConfig().getCoordinatorHeartbeatTtlAsInteger().longValue();
        final String hostname = ComponentUtil.getSystemHelper().getHostname();
        final String targetName = ComponentUtil.getFessConfig().getSchedulerTargetName();

        final String body = toJson(Map.of( //
                "type", TYPE_HEARTBEAT, //

        shutdownHookList.add(hook);
    }

    /**
     * Gets the hostname of the local machine.
     *
     * @return The hostname.
     */
    public String getHostname() {
        final Map<String, String> env = getEnvMap();
        if (env.containsKey("COMPUTERNAME")) {
            return env.get("COMPUTERNAME");
        }
        if (env.containsKey("HOSTNAME")) {

            }

            String hostname = fessConfig.getMailHostname();
            if (StringUtil.isBlank(hostname)) {
                hostname = ComponentUtil.getSystemHelper().getHostname();
            }
            dataMap.put("hostname", hostname);

            logger.debug("\ninfoMap: {}\ndataMap: {}", infoMap, dataMap);

            @Override
            public long getCurrentTimeAsLong() {
                return System.currentTimeMillis();
            }

            @Override
            public String getHostname() {
                return "test-host";
            }

            @Override
            public File createTempFile(String prefix, String suffix) {
                try {

        for (final FileAuthentication fileAuth : fileAuthList) {
            if (logger.isDebugEnabled()) {
                logger.debug("FileAuthentication: " + fileAuth.getProtocolScheme() + " " + fileAuth.getHostname() + ":" + fileAuth.getPort()
                        + " " + fileAuth.getUsername());
            }
            if (Constants.SAMBA.equals(fileAuth.getProtocolScheme())) {