// Arenas are useful for improving efficiency as they may be freed back to
// the runtime manually, though any memory obtained from freed arenas must
// not be accessed once that happens. An Arena is automatically freed once
// it is no longer referenced, so it must be kept alive (see runtime.KeepAlive)
// until any memory allocated from it is no longer needed.
//
// An Arena must never be used concurrently by multiple goroutines.
type Arena struct {

from fastapi import Depends, FastAPI, Security
from fastapi.security import APIKeyCookie
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyCookie(name="key", description="An API Cookie Key")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user

from typing import Optional

from fastapi import FastAPI, Security
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
from fastapi.testclient import TestClient

app = FastAPI()

security = HTTPBearer(auto_error=False)


@app.get("/users/me")
def read_current_user(
    credentials: Optional[HTTPAuthorizationCredentials] = Security(security),
):
    if credentials is None:

from typing import Optional

from fastapi import FastAPI, Security
from fastapi.security import OAuth2AuthorizationCodeBearer
from fastapi.testclient import TestClient

app = FastAPI()

oauth2_scheme = OAuth2AuthorizationCodeBearer(
    authorizationUrl="authorize",
    tokenUrl="token",
    description="OAuth2 Code Bearer",
    auto_error=True,
)


@app.get("/items/")

from typing import Optional

from fastapi import FastAPI, Security
from fastapi.security import OAuth2PasswordBearer
from fastapi.testclient import TestClient

app = FastAPI()

oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/token", auto_error=False)


@app.get("/items/")
async def read_items(token: Optional[str] = Security(oauth2_scheme)):
    if token is None:
        return {"msg": "Create an account first"}
    return {"token": token}

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient


@pytest.fixture(name="client")
def get_client(request):
    separate_input_output_schemas = request.param
    app = FastAPI(separate_input_output_schemas=separate_input_output_schemas)

    from pydantic import BaseModel, computed_field

    class Rectangle(BaseModel):
        width: int
        length: int

        @computed_field

     *
     * @param to the target authenticator
     * @param from the source authenticator
     */
    protected static void cloneInternal(JAASAuthenticator to, JAASAuthenticator from) {
        Kerb5Authenticator.cloneInternal(to, from);
        to.serviceName = from.serviceName;
        to.configuration = from.configuration;
        to.cachedSubject = from.cachedSubject;
    }

    /**
     * {@inheritDoc}
     *

  public void testIdentity() {
    for (CaseFormat from : CaseFormat.values()) {
      assertWithMessage("%s to %s", from, from).that(from.to(from, "foo")).isSameInstanceAs("foo");
      for (CaseFormat to : CaseFormat.values()) {
        assertWithMessage("%s to %s", from, to).that(from.to(to, "")).isEmpty();
        assertWithMessage("%s to %s", from, to).that(from.to(to, " ")).isEqualTo(" ");
      }
    }
  }

        // Then
        assertTrue(CommonServerMessageBlockRequest.class.isAssignableFrom(Request.class));
    }

    @Test
    @DisplayName("Test Request methods inherited from CommonServerMessageBlockRequest")
    void testInheritedMethods() {
        // Given
        when(request.isResponseAsync()).thenReturn(true);
        when(request.getNext()).thenReturn(nextRequest);

class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {
    // ----------------------------------------------------------------------
    //
    // p4 inherits from p3
    // p3 inherits from p2
    // p2 inherits from p1
    // p1 inherits from p0
    // p0 inherits from super model
    //
    // or we can show it graphically as:
    //
    // p4 ---> p3 ---> p2 ---> p1 ---> p0 --> super model
    //