&& isValidCanonicalUrl(responseData.getUrl(), canonicalUrl)) {
            final Set<RequestData> childUrlSet = new HashSet<>();
            childUrlSet.add(RequestDataBuilder.newRequestData().get().url(canonicalUrl).build());
            logger.info("Canonical URL redirect: from={}, to={}", responseData.getUrl(), canonicalUrl);

        assertEquals(data1.getMethod(), data2.getMethod());
        assertEquals(data1.getUrl(), data2.getUrl());
        assertEquals(data1.getWeight(), data2.getWeight(), 0.001f);

        assertEquals(data2.getMethod(), data3.getMethod());
        assertEquals(data2.getUrl(), data3.getUrl());
        assertEquals(data2.getWeight(), data3.getWeight(), 0.001f);
    }

            assertEquals("application/octet-stream", responseData.getMimeType());
            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/dir2/file3.txt")) {
            assertEquals("s3://fess/dir1/dir2/file3.txt", responseData.getUrl());

            assertEquals("application/octet-stream", responseData.getMimeType());
            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir3/file4.txt")) {
            assertEquals("storage://fess/dir3/file4.txt", responseData.getUrl());

        // Test URL getter/setter
        AccessResultImpl<Long> result = new AccessResultImpl<>();

        String url = "https://example.com/page";
        result.setUrl(url);
        assertEquals(url, result.getUrl());
    }

    public void test_parentUrlGetterSetter() {
        // Test parent URL getter/setter
        AccessResultImpl<Long> result = new AccessResultImpl<>();

                    }
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("smbUrl:{} roleType:{}", responseData.getUrl(), roleTypeList);
                }
            } else if (responseData.getUrl().startsWith("smb1:")) {
                final org.codelibs.jcifs.smb1.SID[] allowedSids = (org.codelibs.jcifs.smb1.SID[]) metaDataMap

            assertEquals("file2", new String(InputStreamUtil.getBytes(responseData.getResponseBody())));
            assertEquals(5, responseData.getContentLength());
        }
        try (final ResponseData responseData = smbClient.doGet(baseUrl + "dir1/dir2/file3.txt")) {
            assertEquals(baseUrl + "dir1/dir2/file3.txt", responseData.getUrl());

                    if (logger.isDebugEnabled()) {
                        logger.debug("Skipping crawl request for url='{}' at depth={} (maxDepth={}, alreadyProcessed={})",
                                crawlRequest.getUrl(), crawlRequest.getDepth(), maxDepth, processedUrls.contains(crawlRequest.getUrl()));
                    }
                    continue;

        // Test URL getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        String url = "https://example.com/path";
        queue.setUrl(url);
        assertEquals(url, queue.getUrl());

        queue.setUrl(null);
        assertNull(queue.getUrl());
    }

    public void test_metaDataGetterSetter() {
        // Test metadata getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        final String url = urlQueue.getUrl();
        if (StringUtil.isBlank(url)) {
            if (logger.isDebugEnabled()) {
                logger.debug("URL is a blank: {}", url);
            }
            return false;
        }

        // check it in queue
        for (final UrlQueue<Long> urlInQueue : urlQueueList) {
            if (url.equals(urlInQueue.getUrl())) {