extern crate uci;

use uci::Engine;
use std::str;

#[test]
fn instantiate_new_engine() {
  let input = b"UNUSED";
  let mut output = Vec::new();

  let e = Engine::new("test_name", "test", &input[..], &mut output);
  assert_eq!(e.name, "test_name");
  assert_eq!(e.author, "test");
}

#[test]
fn send_identification_data() {
  let input = b"UNUSED";
  let mut output = Vec::new();

  // We need to scope this so that the mutable borrow ends and we can test it safely
  {
    let mut e = Engine::new("test_name", "test", &input[..], &mut output);
    e.identify();
  }

  // NOTE: This looks weird bceause you'd think it would store each insertion into the output buffer
  //       as a separate element of that buffer, but it really just appends the two strings since in reality
  //       the buffer would be flushed after reading.
  assert_eq!(str::from_utf8(&output).unwrap_or("Unwrapping output failed in send_identification_data"),
             "id name test_name\nid author test\n");
}

#[test]
fn send_readyok() {
  let input = b"UNUSED";
  let mut output = Vec::new();
  {
    let mut e = Engine::new("test_name", "test", &input[..], &mut output);
    e.ready();
  }

  assert_eq!(str::from_utf8(&output).unwrap_or("Unwrapping output failed in send_readyok"),
             "readyok\n");
}