class BaseUser(BaseModel):
    name: str


class User(BaseUser):
    surname: str


class DBUser(User):
    password_hash: str


class Item(BaseModel):
    name: str
    price: float


app = FastAPI()


@app.get("/no_response_model-no_annotation-return_model")
def no_response_model_no_annotation_return_model():
    return User(name="John", surname="Doe")

                    "title": "Body_update_item_items__item_id__put",
                    "required": ["item", "user", "importance"],
                    "type": "object",
                    "properties": {
                        "item": {"$ref": "#/components/schemas/Item"},
                        "user": {"$ref": "#/components/schemas/User"},
                        "importance": {
                            "title": "Importance",

@pytest.mark.parametrize(
    "path,headers,expected_status,expected_response",
    [
        ("/items", None, 200, {"User-Agent": "testclient"}),
        ("/items", {"X-Header": "notvalid"}, 200, {"User-Agent": "testclient"}),
        ("/items", {"User-Agent": "FastAPI test"}, 200, {"User-Agent": "FastAPI test"}),
    ],
)
def test(path, headers, expected_status, expected_response, client: TestClient):

                    "tags": ["users"],
                    "summary": "Create User",
                    "operationId": "create_user_users__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/User"}
                            }
                        },

                        },
                        "user": {
                            "$ref": "#/components/schemas/User",
                        },
                    },
                    "required": [
                        "item",
                        "user",
                    ],
                    "title": "Body_update_item_items__item_id__put",

        }
    }
)


class User(BaseModel):
    username: str


# Here we use string annotations to test them
def get_current_user(oauth_header: "str" = Security(reusable_oauth2)):
    user = User(username=oauth_header)
    return user


@app.post("/login")
# Here we use string annotations to test them

                    "title": "Body_update_item_items__item_id__put",
                    "required": ["item", "user", "importance"],
                    "type": "object",
                    "properties": {
                        "item": {"$ref": "#/components/schemas/Item"},
                        "user": {"$ref": "#/components/schemas/User"},
                        "importance": {"title": "Importance", "type": "integer"},
                    },

                    "required": [
                        "message",
                    ],
                    "title": "ResponseMessage",
                    "type": "object",
                },
                "User": {
                    "properties": {
                        "email": {
                            "title": "Email",
                            "type": "string",
                        },

            "/users/{user_id}": {
                "get": {
                    "summary": "Get User",
                    "operationId": "get_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "string"},
                            "name": "user_id",

        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)


class User(BaseModel):
    username: str


def get_current_user(oauth_header: Optional[str] = Security(reusable_oauth2)):
    if oauth_header is None:
        return None
    user = User(username=oauth_header)
    return user


@app.post("/login")
def login(form_data: OAuth2PasswordRequestFormStrict = Depends()):