assert response.status_code == 200, response.text
    assert response.json() == {"filename": "test.txt"}


def test_openapi_schema(client: TestClient):
    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": {

@pytest.mark.parametrize(
    "path",
    ["/required-str", "/model-required-str"],
)
def test_required_str_missing(path: str):
    client = TestClient(app)
    response = client.get(path)
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {
                "type": "missing",
                "loc": ["header", "p"],
                "msg": "Field required",

    response = client.get("/query", params={"param_alias": "value"})
    assert response.status_code == 200, response.text
    assert response.json() == {"param": "value"}


def test_header_model_with_alias():
    client = TestClient(app)
    response = client.get("/header", headers={"param_alias": "value"})
    assert response.status_code == 200, response.text
    assert response.json() == {"param": "value"}

    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Hello World"}


def test_read_with_oauth2_scheme():
    response = client.get(
        "/with-oauth2-scheme", headers={"Authorization": "Bearer testtoken"}
    )
    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Admin Access"}

        raise HTTPException(status_code=404, detail="Item not found")
    return {"name": fake_items_db[item_id]["name"], "item_id": item_id}


@router.put(
    "/{item_id}",
    tags=["custom"],
    responses={403: {"description": "Operation forbidden"}},
)
async def update_item(item_id: str):
    if item_id != "plumbus":
        raise HTTPException(

            "price": 35.4,
            "tax": 3.2,
            "tags": ["foo", "bar", "foo"],
            "image": {"url": "http://example.com/image.png", "name": "example image"},
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,

    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert "/static/swagger-ui-bundle.js" in response.text
    assert "/static/swagger-ui.css" in response.text


def test_swagger_ui_oauth2_redirect_html(client: TestClient):
    response = client.get("/docs/oauth2-redirect")
    assert response.status_code == 200, response.text

    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "X-Token header invalid"}


def test_get_invalid_second_header(client: TestClient):
    response = client.get(
        "/items/", headers={"X-Token": "fake-super-secret-token", "X-Key": "invalid"}
    )
    assert response.status_code == 400, response.text

    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert "https://unpkg.com/swagger-ui-dist@5/swagger-ui-bundle.js" in response.text
    assert "https://unpkg.com/swagger-ui-dist@5/swagger-ui.css" in response.text


def test_swagger_ui_oauth2_redirect_html(client: TestClient):
    response = client.get("/docs/oauth2-redirect")
    assert response.status_code == 200, response.text

    ["/required-str", "/model-required-str"],
)
def test_required_str_missing(path: str, json: Union[dict[str, Any], None]):
    client = TestClient(app)
    response = client.post(path, json=json)
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {
                "type": "missing",
                "loc": IsOneOf(["body"], ["body", "p"]),
                "msg": "Field required",