from fastapi.testclient import TestClient


def main(some_arg, q: Optional[str] = None):
    return {"some_arg": some_arg, "q": q}


endpoint = partial(main, "foo")

app = FastAPI()

app.get("/")(endpoint)


client = TestClient(app)


def test_partial():
    response = client.get("/?q=bar")
    data = response.json()

                class Source {
                    val someVal: String = "some"
                    var someVar: String = "some"
                    fun foo(): String = "bar"
                }
            """,
            v2 = """
                class Source {
                    val someVal: String? = null
                    var someVar: String? = null
                    fun foo(): String? = null
                }
            """