f"check that {type_} is a valid Pydantic field type. "
            "If you are using a return type annotation that is not a valid Pydantic "
            "field (e.g. Union[Response, dict, None]) you can disable generating the "
            "response model from the type annotation with the path operation decorator "
            "parameter response_model=None. Read more: "
            "https://fastapi.tiangolo.com/tutorial/response-model/"

def test_required_nonable_explicit_query_value():
    response = client.get("/explicit-query", params={"q": "foo"})
    assert response.status_code == 200
    assert response.json() == "foo"


def test_required_nonable_body_embed_no_content():
    response = client.post("/body-embed")
    assert response.status_code == 422


def test_required_nonable_body_embed_invalid():

    from docs_src.conditional_openapi import tutorial001

    importlib.reload(tutorial001)

    client = TestClient(tutorial001.app)
    return client


@needs_pydanticv2
def test_disable_openapi(monkeypatch):
    monkeypatch.setenv("OPENAPI_URL", "")
    # Load the client after setting the env var
    client = get_client()
    response = client.get("/openapi.json")