def get_value_or_default(
    first_item: Union[DefaultPlaceholder, DefaultType],
    *extra_items: Union[DefaultPlaceholder, DefaultType],
) -> Union[DefaultPlaceholder, DefaultType]:
    """
    Pass items or `DefaultPlaceholder`s by descending priority.

    The first one to _not_ be a `DefaultPlaceholder` will be returned.

    Otherwise, the first item (a `DefaultPlaceholder`) will be returned.
    """

    # to support it as a first class "feature"
    assert is_bytes_sequence_annotation(Union[List[str], List[bytes]])


def test_is_uploadfile_sequence_annotation():
    # For coverage
    # TODO: in theory this would allow declaring types that could be lists of UploadFile
    # and other types, but I'm not even sure it's a good idea to support it as a first
    # class "feature"

  repository(name: "fastapi", owner: "tiangolo") {
    discussions(first: 100, after: $after, categoryId: $category_id) {
      edges {
        cursor
        node {
          number
          author {
            login
            avatarUrl
            url
          }
          title
          createdAt
          comments(first: 100) {
            nodes {
              createdAt
              author {

@app.get("/users/me")
def read_current_user(
    credentials: Optional[HTTPAuthorizationCredentials] = Security(security),
):
    if credentials is None:
        return {"msg": "Create an account first"}
    return {"scheme": credentials.scheme, "credentials": credentials.credentials}


client = TestClient(app)


def test_security_http_base():

    """
    The HTTP authorization credentials in the result of using `HTTPBearer` or
    `HTTPDigest` in a dependency.

    The HTTP authorization header value is split by the first space.

    The first part is the `scheme`, the second part is the `credentials`.

    For example, in an HTTP Bearer token scheme, the client will send a header
    like:

    ```
    Authorization: Bearer deadbeef12346

    return user


@app.get("/users/me")
def read_current_user(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_api_key():
    response = client.get("/users/me?key=secret")
    assert response.status_code == 200, response.text

all_discussions_query = """
query Q($category_id: ID) {
  repository(name: "fastapi", owner: "tiangolo") {
    discussions(categoryId: $category_id, first: 100) {
      nodes {
        title
        id
        number
        labels(first: 10) {
          edges {
            node {
              id
              name
            }
          }
        }
      }
    }
  }
}
"""

@needs_pydanticv1
def test_read_items(client):
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    data = response.json()
    assert data
    first_item = data[0]
    assert "title" in first_item
    assert "description" in first_item


# TODO: pv2 add version with Pydantic v2
@needs_pydanticv1
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")

@needs_pydanticv1
def test_read_items(client):
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    data = response.json()
    assert data
    first_item = data[0]
    assert "title" in first_item
    assert "description" in first_item


@needs_py310
# TODO: pv2 add version with Pydantic v2
@needs_pydanticv1
def test_openapi_schema(client: TestClient):

    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"})