import {Latus} from '@latus/core';
import {expect} from 'chai';

import {
  buildInvoke,
  buildValue,
} from '../src/builders';
import Context from '../src/context';
import compile from '../src/compilers/compile';

const {name} = require('../package.json');

describe(name, () => {
  let latus;
  let context;
  beforeEach(async () => {
    latus = Latus.mock({
      '@avocado/behavior': require('../src'),
    });
    await Promise.all(latus.invokeFlat('@latus/core/starting'));
    context = new Context({}, latus);
  });
  describe('Timing', () => {
    it('waits', async () => {
      const DELAY = 30;
      const tickingPromise = compile(buildInvoke(
        ['Timing', 'wait'],
        [
          buildValue(300),
        ],
      ), latus)(context);
      tickingPromise.tick(200);
      let start = Date.now();
      await Promise.race([
        new Promise((resolve) => setTimeout(resolve, DELAY)),
        tickingPromise,
      ])
      expect(Date.now() - start).to.be.at.least(DELAY * 0.9);
      tickingPromise.tick(100);
      return tickingPromise;
    });
  });
});