import secrets

from fastapi import Depends, FastAPI, HTTPException, status
from fastapi.security import HTTPBasic, HTTPBasicCredentials

app = FastAPI()

security = HTTPBasic()


def get_current_username(credentials: HTTPBasicCredentials = Depends(security)):
    current_username_bytes = credentials.username.encode("utf8")
    correct_username_bytes = b"stanleyjobson"
    is_correct_username = secrets.compare_digest(

}


class OwnerError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except OwnerError as e:
        raise HTTPException(status_code=400, detail=f"Owner error: {e}")


@app.get("/items/{item_id}")
def get_item(item_id: str, username: str = Depends(get_username)):
    if item_id not in data:

from fastapi.testclient import TestClient

from .config import Settings
from .main import app, get_settings

client = TestClient(app)


def get_settings_override():
    return Settings(admin_email="******@****.***")


app.dependency_overrides[get_settings] = get_settings_override


def test_app():
    response = client.get("/info")
    data = response.json()
    assert data == {
        "app_name": "Awesome API",

class PartialGitHubEventIssue(BaseModel):
    number: int | None = None


class PartialGitHubEvent(BaseModel):
    pull_request: PartialGitHubEventIssue | None = None


def get_graphql_response(
    *,
    settings: Settings,
    query: str,
    after: Union[str, None] = None,
    category_id: Union[str, None] = None,
    discussion_number: Union[int, None] = None,

    return data


def get_graphql_sponsor_edges(
    *, settings: Settings, after: str | None = None
) -> list[SponsorshipAsMaintainerEdge]:
    data = get_graphql_response(settings=settings, query=sponsors_query, after=after)
    graphql_response = SponsorsResponse.model_validate(data)
    return graphql_response.data.user.sponsorshipsAsMaintainer.edges


def get_individual_sponsors(
    settings: Settings,

## HTTPX { #httpx }

Mesmo que a sua aplicação **FastAPI** utilize funções normais com `def` no lugar de `async def`, ela ainda é uma aplicação `async` por baixo dos panos.

from docs_src.app_testing.app_a_py39.test_main import client, test_read_main


def test_main():
    test_read_main()


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/": {
                "get": {

    ],
)
def get_test_module(request: pytest.FixtureRequest) -> ModuleType:
    mod: ModuleType = importlib.import_module(
        f"docs_src.dependency_testing.{request.param}"
    )
    return mod


def test_override_in_items_run(test_module: ModuleType):
    test_override_in_items = test_module.test_override_in_items

    test_override_in_items()

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


@pytest.fixture(name="app", scope="module")
def get_app():
    with pytest.warns(DeprecationWarning):
        from docs_src.events.tutorial001_py39 import app
    yield app


def test_events(app: FastAPI):
    with TestClient(app) as client:
        response = client.get("/items/foo")
        assert response.status_code == 200, response.text

import os
import subprocess
import sys
from unittest.mock import patch

import fastapi.cli
import pytest


def test_fastapi_cli():
    result = subprocess.run(
        [
            sys.executable,
            "-m",
            "coverage",
            "run",
            "-m",
            "fastapi",
            "dev",
            "non_existent_file.py",
        ],
        capture_output=True,