}
        }, WebConfigService.class.getCanonicalName());

        assertTrue(crawlingConfigHelper.getPipeline("W1").isEmpty());
    }

    @Test
    public void test_getPipeline_withEmptyStringPipeline() {
        // Register service that returns empty string pipeline
        ComponentUtil.register(new WebConfigService() {
            @Override

        return config;
    }

    public WebConfig getWebConfig() {
        if (webConfig == null) {
            final WebConfigService webConfigService = ComponentUtil.getComponent(WebConfigService.class);
            try {
                webConfig = webConfigService.getWebConfig(getWebConfigId()).get();
            } catch (final Exception e) {

                    return null;
                }
                return switch (configType) {
                case WEB -> {
                    final WebConfigService webConfigService = ComponentUtil.getComponent(WebConfigService.class);
                    yield webConfigService.getWebConfig(id).get();
                }
                case FILE -> {

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private WebConfigService webConfigService;
    @Resource
    private ScheduledJobService scheduledJobService;
    @Resource
    private WebConfigPager webConfigPager;
    @Resource
    private RoleTypeService roleTypeService;
    @Resource

    @Resource
    private ReqHeaderPager reqHeaderPager;
    /** Web configuration service for managing web crawl configurations. */
    @Resource
    protected WebConfigService webConfigService;

    // ===================================================================================
    //                                                                               Hook

    @Resource
    protected DynamicProperties systemProperties;

    /** Service for managing web crawler configurations */
    @Resource
    protected WebConfigService webConfigService;

    /** Service for managing file crawler configurations */
    @Resource
    protected FileConfigService fileConfigService;

    /** Helper for managing crawler processes */
    @Resource

    @Resource
    private WebAuthPager webAuthPager;
    /** Service for accessing and modifying web configuration settings */
    @Resource
    protected WebConfigService webConfigService;

    // ===================================================================================
    //                                                                               Hook

        ComponentUtil.register(new WebConfigService() {
            @Override
            public OptionalEntity<WebConfig> getWebConfig(final String id) {
                final WebConfig webConfig = new WebConfig();
                webConfig.setId(id);
                return OptionalEntity.of(webConfig);
            }
        }, WebConfigService.class.getCanonicalName());
    }

    @Test