assertEquals(singletonList(1), partitions.get(0));
    assertEquals(singletonList(2), partitions.get(1));
  }

  public void testPartition_3_2() {
    List<Integer> source = asList(1, 2, 3);
    List<List<Integer>> partitions = partition(source, 2);
    assertEquals(2, partitions.size());
    assertEquals(asList(1, 2), partitions.get(0));
    assertEquals(asList(3), partitions.get(1));
  }

    assertEquals(singletonList(1), partitions.get(0));
    assertEquals(singletonList(2), partitions.get(1));
  }

  public void testPartition_3_2() {
    List<Integer> source = asList(1, 2, 3);
    List<List<Integer>> partitions = partition(source, 2);
    assertEquals(2, partitions.size());
    assertEquals(asList(1, 2), partitions.get(0));
    assertEquals(asList(3), partitions.get(1));
  }

                dataCrawlingThreadList.get(i).awaitTermination(crawlingExecutionInterval);
                if (!dataCrawlingThreadList.get(i).isRunning() && Constants.RUNNING.equals(dataCrawlingThreadStatusList.get(i))) {
                    dataCrawlingThreadStatusList.set(i, Constants.DONE);
                }
                if (!Constants.DONE.equals(dataCrawlingThreadStatusList.get(i))) {
                    finishedAll = false;

                requestBody.put(idKey, setting.get(idKey));
            }

            final Map<String, Object> doc = new HashMap<>();
            doc.put("doc_id", setting.get("doc_id"));
            doc.put("url", setting.get("url_link"));
            doc.put("title", setting.get("title"));
            doc.put("role", "Rguest");
            doc.put("boost", setting.get("boost"));

    )
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        username: str = payload.get("sub")
        if username is None:
            raise credentials_exception
        token_scopes = payload.get("scopes", [])
        token_data = TokenData(scopes=token_scopes, username=username)
    except (InvalidTokenError, ValidationError):
        raise credentials_exception

    )
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        username: str = payload.get("sub")
        if username is None:
            raise credentials_exception
        token_scopes = payload.get("scopes", [])
        token_data = TokenData(scopes=token_scopes, username=username)
    except (InvalidTokenError, ValidationError):
        raise credentials_exception

<img src="/img/tutorial/security/image04.png">

After authenticating in the system, you will see it like:

<img src="/img/tutorial/security/image05.png">

### Get your own user data

Now use the operation `GET` with the path `/users/me`.

You will get your user's data, like:

```JSON
{
  "username": "johndoe",
  "email": "******@****.***",
  "full_name": "John Doe",
  "disabled": false,

```Python hl_lines="6"
{!../../docs_src/first_steps/tutorial001.py!}
```

`@app.get("/")` nói **FastAPI** rằng hàm bên dưới có trách nhiệm xử lí request tới:

* đường dẫn `/`
* sử dụng một <abbr title="an HTTP GET method">toán tử<code>get</code></abbr>

/// info | Thông tin về "`@decorator`"

Cú pháp `@something` trong Python được gọi là một "decorator".

        class Item(BaseModel):
            title: str

        @app.get("/items/")
        def read_items(q: List[Item] = Query(default=None)):
            pass  # pragma: no cover


def test_invalid_tuple():
    with pytest.raises(AssertionError):
        app = FastAPI()

        class Item(BaseModel):
            title: str

        @app.get("/items/")
        def read_items(q: Tuple[Item, Item] = Query(default=None)):

    return form_data


@app.get("/users/me")
def read_users_me(current_user: Optional[User] = Depends(get_current_user)):
    if current_user is None:
        return {"msg": "Create an account first"}
    return current_user


client = TestClient(app)


def test_security_oauth2():
    response = client.get("/users/me", headers={"Authorization": "Bearer footokenbar"})