assertEquals(1000, counter.get());
    }

    @Test
    public void test_getCanonicalSessionId() {
        assertEquals("session123", crawlingInfoHelper.getCanonicalSessionId("session123"));
        assertEquals("session123", crawlingInfoHelper.getCanonicalSessionId("session123-456"));
        assertEquals("web", crawlingInfoHelper.getCanonicalSessionId("web-config-789"));

        indexUpdater.addFinishedSessionId("session3");

        assertEquals(3, indexUpdater.finishedSessionIdList.size());
        assertTrue(indexUpdater.finishedSessionIdList.contains("session1"));
        assertTrue(indexUpdater.finishedSessionIdList.contains("session2"));
        assertTrue(indexUpdater.finishedSessionIdList.contains("session3"));
    }

    // Test run method with null DataService
    @Test

        assertTrue(true);
    }

    @Test
    public void test_sessionIdIsUnique() {
        final ChatSession session1 = new ChatSession();
        final ChatSession session2 = new ChatSession();
        assertFalse(session1.getSessionId().equals(session2.getSessionId()));
    }

                    return 1;
                }
                return 0;
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final String sessionId = "session1";

        assertEquals(1, indexingHelper.deleteBySessionId(sessionId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("segment", resultMap.get("field"));