# 🔬 🎉: 🕴 - 🤫

🕐❔ 👆 💪 👆 🎉 🐕‍🦺 (`startup` & `shutdown`) 🏃 👆 💯, 👆 💪 ⚙️ `TestClient` ⏮️ `with` 📄:

```Python hl_lines="9-12  20-24"
{!../../docs_src/app_testing/tutorial003.py!}

from dirty_equals import IsDict
from fastapi import Depends, FastAPI, Security
from fastapi.security import OAuth2, OAuth2PasswordRequestFormStrict
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    }
)

from typing import Optional

from dirty_equals import IsDict
from fastapi import Depends, FastAPI, Security
from fastapi.security import OAuth2, OAuth2PasswordRequestFormStrict
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},

* Never prevent deletion of resources as part of namespace lifecycle ([#48733](https://github.com/kubernetes/kubernetes/pull/48733), [@liggitt](https://github.com/liggitt))

from typing import Optional

import pytest
from dirty_equals import IsDict
from fastapi import APIRouter, Depends, FastAPI
from fastapi.testclient import TestClient

app = FastAPI()

router = APIRouter()


async def common_parameters(q: str, skip: int = 0, limit: int = 100):
    return {"q": q, "skip": skip, "limit": limit}


@app.get("/main-depends/")
async def main_depends(commons: dict = Depends(common_parameters)):

from dirty_equals import IsDict, IsOneOf
from fastapi.testclient import TestClient

from docs_src.security.tutorial005_an import (
    app,
    create_access_token,
    fake_users_db,
    get_password_hash,
    verify_password,
)

client = TestClient(app)


def get_access_token(username="johndoe", password="secret", scope=None):
    data = {"username": username, "password": password}
    if scope:
        data["scope"] = scope

from typing import Optional

from dirty_equals import IsDict
from fastapi import FastAPI
from fastapi.responses import JSONResponse
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: Optional[float] = None


@app.api_route("/items/{item_id}", methods=["GET"])
def get_items(item_id: str):
    return {"item_id": item_id}

from typing import Optional

from dirty_equals import IsDict
from fastapi import APIRouter, FastAPI
from fastapi.testclient import TestClient

app = FastAPI()


user_router = APIRouter()
item_router = APIRouter()


@user_router.get("/")
def get_users():
    return [{"user_id": "u1"}, {"user_id": "u2"}]


@user_router.get("/{user_id}")
def get_user(user_id: str):
    return {"user_id": user_id}

from typing import Union

from dirty_equals import IsDict
from fastapi import Body, Cookie, FastAPI, Header, Path, Query
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    data: str


@app.post("/examples/")
def examples(
    item: Item = Body(
        examples=[
            {"data": "Data in Body examples, example1"},
        ],

from typing import Union

import pytest
from dirty_equals import IsDict
from fastapi import Body, Cookie, FastAPI, Header, Path, Query
from fastapi._compat import PYDANTIC_V2
from fastapi.testclient import TestClient
from pydantic import BaseModel, ConfigDict


def create_app():
    app = FastAPI()

    class Item(BaseModel):
        data: str

        if PYDANTIC_V2:
            model_config = ConfigDict(