UserInfoHelper userInfoHelper = new UserInfoHelper();
        String id1 = userInfoHelper.getId();
        String id2 = userInfoHelper.getId();

        assertNotNull(id1);
        assertNotNull(id2);
        assertNotSame(id1, id2);
        assertEquals(32, id1.length());
        assertEquals(32, id2.length());
        assertTrue(id1.matches("[0-9a-f]+"));
        assertTrue(id2.matches("[0-9a-f]+"));
    }

        TestSearchLogEvent event = new TestSearchLogEvent("contract-id", 5L, "contract-type");

        // Test consistency of returned values
        String id1 = event.getId();
        String id2 = event.getId();
        assertEquals(id1, id2);

        Long version1 = event.getVersionNo();
        Long version2 = event.getVersionNo();
        assertEquals(version1, version2);

        lenient().when(tA.isConnected()).thenReturn(true);
        lenient().when(tB.isConnected()).thenReturn(true);

        SmbFileHandleImpl hA = id1 != null ? new SmbFileHandleImpl(cfg, id1, tA, "//eq/a", 0, 0, 0, 0, 0L)
                : new SmbFileHandleImpl(cfg, 33, tA, "//eq/a", 0, 0, 0, 0, 0L);

        Crawler.Options options = new Crawler.Options();
        options.webConfigIds = "id1,id2,id3";

        List<String> result = options.getWebConfigIdList();
        assertNotNull(result);
        assertEquals(3, result.size());
        assertTrue(result.contains("id1"));
        assertTrue(result.contains("id2"));
        assertTrue(result.contains("id3"));
    }

        assertEquals(firstResult, secondResult);
        assertEquals(secondResult, thirdResult);

        // Rule ID should remain constant
        String id1 = rule.getRuleId();
        String id2 = rule.getRuleId();
        String id3 = rule.getRuleId();

        assertEquals(id1, id2);
        assertEquals(id2, id3);

        // Processor should remain the same instance
        ResponseProcessor proc1 = rule.getResponseProcessor();

        builder.setSettingsIndexName("MULTI_INDEX").addInitialSettings("multi.key", "multiValue").scrollTimeout("25s");

        SuggestSettings settings1 = builder.build(client, "id1");
        SuggestSettings settings2 = builder.build(client, "id2");

        assertNotNull(settings1);
        assertNotNull(settings2);
        // Both should be created with the same configuration

        server.start();

        final String url = "http://localhost:7070/hoge.html";
        try {
            final CrawlerContext crawlerContext = new CrawlerContext();
            final String sessionId = "id1";
            urlFilter.init(sessionId);
            crawlerContext.setUrlFilter(urlFilter);
            CrawlingParameterUtil.setCrawlerContext(crawlerContext);
            httpClient.init();

            assertTrue("Exception handling should be fast", true);
        }
    }

    public void test_crawl_withConfigIdList_emptyList() {
        try {
            List<String> configIds = Arrays.asList("id1", "id2");
            dataIndexHelper.crawl("test-session", configIds);
            assertTrue("Should complete quickly with empty results", true);
        } catch (Exception e) {