&& 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);

            System.setErr(new PrintStream(errContent));

            String[] args = { "--help" };
            // Note: main calls System.exit, so we can't test it directly
            // Instead, we test the parsing logic separately

            System.setErr(originalErr);
        } catch (Exception e) {
            System.setErr(originalErr);
        }
    }

    @Test

        assertEquals("plugin/repo3/fess-crawler-smbj/14.14.0/fess-crawler-smbj-14.14.0.jar", list.get(0).getUrl());
        assertEquals("fess-crawler-smbj", list.get(1).getName());
        assertEquals("14.15.0", list.get(1).getVersion());
        assertEquals("plugin/repo3/fess-crawler-smbj/14.15.0/fess-crawler-smbj-14.15.0.jar", list.get(1).getUrl());
    }

    @Test
    public void test_getArtifactFromFileName1() {

        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(2, urlList.size());
        assertEquals("http://www.example.com", urlList.get(0).getUrl());
        assertEquals("http://www.test.com", urlList.get(1).getUrl());

        urlList.clear();
        urlList.add(RequestDataBuilder.newRequestData().get().url("feed://www.example.com").build());

        PrintStream originalErr = System.err;
        System.setErr(new PrintStream(errContent));

        try {
            String[] args = { "--invalidOption", "value" };
            Crawler.main(args);

            String error = errContent.toString();
            assertTrue(error.contains("invalidOption"));
        } finally {
            System.setErr(originalErr);
        }
    }

    // Test doCrawl method

        assertEquals(123, item.getId());
        assertEquals("and", item.getInput());
        assertNull(item.getNewInput());
    }

    @Test
    public void test_getNewInput_setNewInput() {
        // Test getter and setter for newInput
        StopwordsItem item = new StopwordsItem(1, "or");
        assertNull(item.getNewInput());

        item.setNewInput("nor");
        assertEquals("nor", item.getNewInput());

        }
    }

    @Test
    public void test_genericTypeSafety_consistencyBetweenConstructorAndGetter() {
        // Verify consistency between constructor parameter type and getter return type
        // This test ensures the generic type change is consistent throughout the class

        // Test with RootAction.class
        Class<? extends RootAction> inputClass1 = RootAction.class;

        for (int i = 0; i < licenses.size(); i++) {
            License license = licenses.get(i);
            properties.put("license." + i + ".name", license.getName());
            properties.put("license." + i + ".url", license.getUrl());
            properties.put("license." + i + ".comments", license.getComments());
            properties.put("license." + i + ".distribution", license.getDistribution());
        }

            this.title = title;
        }

        /**
         * Gets the source URL.
         *
         * @return the source URL
         */
        public String getUrl() {
            return url;
        }

        /**
         * Sets the source URL.
         *
         * @param url the source URL
         */
        public void setUrl(final String url) {

        DefaultMirrorSelector mirrorSelector = new DefaultMirrorSelector();
        for (Mirror mirror : request.getMirrors()) {
            mirrorSelector.add(
                    mirror.getId(),
                    mirror.getUrl(),
                    mirror.getLayout(),
                    false,
                    mirror.isBlocked(),
                    mirror.getMirrorOf(),
                    mirror.getMirrorOfLayouts());
        }