assertEquals("https://example.com/page1", responseData1.getUrl());
        assertEquals("https://example.com/page2", responseData2.getUrl());
        assertEquals("https://example.com/page3", responseData3.getUrl());
    }

    public void test_processDoesNotModifyResponseData() {
        // Test that process does not modify ResponseData
        NullResponseProcessor processor = new NullResponseProcessor();

                assertTrue(urlQueue.getUrl() + "=>" + url1, urlQueue.getUrl().startsWith(url1));
            }
            while ((urlQueue = urlQueueService.poll(sessionId2)) != null) {
                assertTrue(urlQueue.getUrl() + "=>" + url2, urlQueue.getUrl().startsWith(url2));
            }

            dataService.iterate(sessionId1, accessResult -> assertTrue(accessResult.getUrl().startsWith(url1)));

            if (arMap.containsKey(accessResult.getUrl())) {
                throw new CrawlerSystemException(
                        "AccessResult for URL '" + accessResult.getUrl() + "' already exists. Duplicate URLs are not allowed.");
            }
            arMap.put(accessResult.getUrl(), accessResult);
        }

    }

    /**

     * {@link RemoteRepository#getUrl()} root.
     *
     * @throws RuntimeException If PUT fails for any reason.
     */
    void put(@Nonnull Path source, @Nonnull URI relativeTarget);

    /**
     * PUTs the source byte array to target URI. The target MUST BE relative from the
     * {@link RemoteRepository#getUrl()} root.
     *
     * @throws RuntimeException If PUT fails for any reason.

        // 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())) {

    /**
     * Gets the settings URL of this model source.
     *
     * @return The underlying settings URL, never {@code null}.
     * @deprecated instead use {@link #getUrl()}
     */
    @Deprecated
    public URL getSettingsUrl() {
        return getUrl();
    }

    public void normalize(Model model, ModelBuildingRequest request) {
        if (model == null) {
            return;
        }

        model.setUrl(normalize(model.getUrl()));

        Scm scm = model.getScm();
        if (scm != null) {
            scm.setUrl(normalize(scm.getUrl()));
            scm.setConnection(normalize(scm.getConnection()));
            scm.setDeveloperConnection(normalize(scm.getDeveloperConnection()));
        }

     */
    @Override
    public ResponseData execute(final RequestData request) {
        return switch (request.getMethod()) {
        case GET -> doGet(request.getUrl());
        case HEAD -> doHead(request.getUrl());
        case POST -> doPost(request.getUrl());
        default -> throw new CrawlerSystemException(request.getMethod() + " method is not supported.");
        };
    }

    /**

        List<ArtifactRepository> repositories = request.getPluginArtifactRepositories();
        assertEquals(1, repositories.size());
        assertEquals(r.getId(), repositories.get(0).getId());
        assertEquals(r.getUrl(), repositories.get(0).getUrl());
    }