import test from "ava";
import fs from "fs";
import { ButtonMachine } from '../src/buttons.js';

const run_code = (source) => {
  const machine = new ButtonMachine();
  const code = machine.parse(source.toString());
  machine.load(code);
  machine.run();

  return machine;
}

test("parse and run file", t => {
  const test_src = [
    ["./tests/basic.btn", 74],
    ["./tests/test2.btn", 0]
  ]

  for(let [source, expected] of test_src) {
    console.log("TESTING FILE", source, "EXPECTING", expected);
    const code = fs.readFileSync(source);
    const machine = run_code(code);

    t.is(machine.stack_top, expected);

    console.log("STACK TOP", machine.stack_top);
  }
});

test("fuzz the parser", t => {
  const code = fs.readFileSync("./tests/garbag1.btn");
  const machine = run_code(code);

  t.is(machine.halted, true);
  t.is(machine.error_line, 0);

});