assertEquals("pdf", fileTypeHelper.get("application/pdf"));
        assertEquals("text", fileTypeHelper.get("text/plain"));

        // Test non-existent mimetype returns default value
        assertEquals("others", fileTypeHelper.get("non/existent"));
    }

    @Test
    public void test_get_withNullMimetype() {
        assertEquals("others", fileTypeHelper.get(null));
    }

    @Test

        assertEquals(ChatMessage.ROLE_USER, messages.get(0).getRole());
        assertEquals("User 2", messages.get(0).getContent());
        assertEquals(ChatMessage.ROLE_ASSISTANT, messages.get(1).getRole());
        assertEquals("Assistant 2", messages.get(1).getContent());
        assertEquals(ChatMessage.ROLE_USER, messages.get(2).getRole());
        assertEquals("User 3", messages.get(2).getContent());

            assertEquals("filetype:pdf", queryMap.get("labels.facet_filetype_pdf"));
        } else {
            assertEquals("filetype:pdf", queryMap.get("PDF"));
        }

        if (queryMap.containsKey("DOC")) {
            assertEquals("filetype:doc", queryMap.get("DOC"));
        } else {
            assertEquals("filetype:doc", queryMap.get("labels.facet_filetype_doc"));
        }

    assertThat(loadCount.get()).isEqualTo(2);
    assertThat(reloadCount.get()).isEqualTo(1);
    assertThat(loadAllCount.get()).isEqualTo(2);

    executor.runNext();
    assertThat(loadCount.get()).isEqualTo(2);
    assertThat(reloadCount.get()).isEqualTo(2);
    assertThat(loadAllCount.get()).isEqualTo(2);
  }

    }

    // Test put and get operations
    @Test
    public void test_putAndGet() {
        dataStoreParams.put("key1", "value1");
        assertEquals("value1", dataStoreParams.get("key1"));

        dataStoreParams.put("key2", 123);
        assertEquals(123, dataStoreParams.get("key2"));

        dataStoreParams.put("key3", null);
        assertNull(dataStoreParams.get("key3"));
    }

app = FastAPI()


user_router = APIRouter()
item_router = APIRouter()


@user_router.get("/")
def get_users():
    return [{"user_id": "u1"}, {"user_id": "u2"}]


@user_router.get("/{user_id}")
def get_user(user_id: str):
    return {"user_id": user_id}


@item_router.get("/")
def get_items(user_id: str | None = None):
    if user_id is None:

        val buildTime = when {
            buildTimestampFromProperty != null -> {
                timestampFormat.parse(buildTimestampFromProperty)
            }
            runningInstallTask.get() || runningDocsTestTask.get() || runningOnCi.get() -> {
                Date()
            }
            else -> {
                Date().withoutTime()
            }
        }
        return timestampFormat.format(buildTime)
    }

    assertThat(segment.get(key, hash)).isNull();

    // count == 0
    segment.setTableEntryForTesting(index, entry);
    assertThat(segment.get(key, hash)).isNull();
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertThat(segment.get(key, hash)).isEqualTo(value);

    assertThat(segment.get(key, hash)).isNull();

    // count == 0
    segment.setTableEntryForTesting(index, entry);
    assertThat(segment.get(key, hash)).isNull();
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertThat(segment.get(key, hash)).isEqualTo(value);

                final String scheme = paramMap.get(CRAWLER_FILE_AUTH + "." + fileAuthName + ".scheme");
                if (Constants.SAMBA.equals(scheme)) {
                    final String domain = paramMap.get(CRAWLER_FILE_AUTH + "." + fileAuthName + ".domain");
                    final String hostname = paramMap.get(CRAWLER_FILE_AUTH + "." + fileAuthName + ".host");