* called certificate authorities (CAs).
 *
 * Browsers and other HTTP clients need a set of trusted root certificates to authenticate their
 * peers. Sets of root certificates are managed by either the HTTP client (like Firefox), or the
 * host platform (like Android). In July 2018 Android had 134 trusted root certificates for its HTTP
 * clients to trust.
 *

    }
  }

  @Test
  fun none() {
    server.enqueue(MockResponse())
    client.newCall(request().build()).execute()
    applicationLogs.assertNoMoreLogs()
    networkLogs.assertNoMoreLogs()
  }

  @Test
  fun basicGet() {
    setLevel(Level.BASIC)
    server.enqueue(MockResponse())
    client.newCall(request().build()).execute()
    applicationLogs
      .assertLogEqual("--> GET $url")

    )

  fun newRoutePlanner(
    client: OkHttpClient,
    address: Address = newAddress(),
  ): RealRoutePlanner {
    val call = RealCall(client, Request(address.url), forWebSocket = false)
    val chain = newChain(call)
    return RealRoutePlanner(
      taskRunner = client.taskRunner,
      connectionPool = client.connectionPool.delegate,
      readTimeoutMillis = client.readTimeoutMillis,

Hier ist eine visuelle Darstellung, wie der **Proxy** weitergeleitete Header zwischen dem Client und dem **Anwendungsserver** hinzufügt:

```mermaid
sequenceDiagram
    participant Client
    participant Proxy as Proxy/Loadbalancer
    participant Server as FastAPI Server

    Client->>Proxy: HTTPS-Request<br/>Host: mysuperapp.com<br/>Pfad: /items

    Note over Proxy: Proxy fügt Forwarded-Header hinzu

async def a():
    pass  # pragma: no cover


@app.get("/b", responses={500: {"description": "Error", "model": Error}})
async def b():
    pass  # pragma: no cover


client = TestClient(app)


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",

 * to mutate the event parameters, or be re-entrant back into the client. Any IO - writing to files
 * or network should be done asynchronously.
 */
abstract class EventListener {
  /**
   * Invoked as soon as a call is enqueued or executed by a client. In case of thread or stream
   * limits, this call may be executed well before processing the request is able to begin.
   *

	// returns.
	AssumedRoleUser AssumedRoleUser `xml:",omitempty"`

	// The intended audience (also known as client ID) of the web identity token.
	// This is traditionally the client identifier issued to the application that
	// requested the client grants.
	Audience string `xml:",omitempty"`

	// The temporary security credentials, which include an access key ID, a secret

router = APIRouter()


@router.route("/items/")
def read_items(request: Request):
    return JSONResponse({"hello": "world"})


app.include_router(router)

client = TestClient(app)


def test_sub_router():
    response = client.get("/items/")
    assert response.status_code == 200, response.text

    def create_person(person: PersonCreate) -> Any:
        db_person = Person.model_validate(person)
        return db_person

    client = TestClient(app)

    person_data = {"name": "Dive", "lastname": "Wilson"}
    response = client.post("/people/", json=person_data)
    data = response.json()
    assert response.status_code == 200, response.text
    assert data["name"] == person_data["name"]

        return Facility(
            id=facility_id,
            address=Address(line_1="123 Main St", city="Anytown", state_province="CA"),
        )

    client = TestClient(app)
    return client


def test_get(client: TestClient):
    response = client.get("/facilities/42")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "id": "42",
        "address": {