Function prompt_without_api_key

tests/integration.rs:41–49

()

#[test]
fn prompt_without_api_key() -> Result<(), Box<dyn Error>> {
    if let Ok(_) = std::env::var("OPENAI_API_KEY") {
        std::env::remove_var("OPENAI_API_KEY")
    }
    match a::prompt("a python script that fetches a url") {
        Ok(_) => Err("prompt() should return Err() if OPENAI_API_KEY is not set".into()),
        Err(_) => Ok(()),
    }
}