*/
    public void test_urlFilter() {
        assertNull(crawlerContext.getUrlFilter());

        TestUrlFilter filter = new TestUrlFilter();
        crawlerContext.setUrlFilter(filter);
        assertSame(filter, crawlerContext.getUrlFilter());

        crawlerContext.setUrlFilter(null);
        assertNull(crawlerContext.getUrlFilter());
    }

    /**
     * Test ruleManager getter and setter
     */

        final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()
                .filter(d -> StringUtil.isNotBlank(d.getUrl()) && urlSet.add(d.getUrl()) && crawlerContext.getUrlFilter().match(d.getUrl()))
                .map(d -> {
                    final UrlQueue<?> uq = crawlerContainer.getComponent("urlQueue");
                    uq.setCreateTime(SystemUtil.currentTimeMillis());

        } catch (final Exception e) {
            // ignore
        }
    }

    /**
     * Returns the URL filter.
     * @return The UrlFilter instance.
     */
    public UrlFilter getUrlFilter() {
        return urlFilter;
    }

    /**
     * Sets the URL filter.
     * @param urlFilter The UrlFilter instance to set.
     */
    public void setUrlFilter(final UrlFilter urlFilter) {