avocado/packages/entity/test/positioned.js

import {resource} from '@avocado/resource';
import {normalize} from '@avocado/s13n';
import {Latus} from '@latus/core';
import {expect} from 'chai';

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

describe(name, () => {
  let latus;
  let Entity;
  let EntityList;
  beforeEach(async () => {
    latus = Latus.mock({
      '@avocado/entity': require('../src'),
      '@avocado/resource': require('@avocado/resource'),
      '@avocado/traits': require('@avocado/traits'),
      '@latus/socket': require('@latus/socket'),
    });
    await Promise.all(latus.invokeFlat('@latus/core/starting'));
    ({fromResourceType: {Entity, EntityList}} = resource(latus));
  });
  describe('Traits', () => {
    describe('Positioned', () => {
      let entity;
      beforeEach(async () => {
        entity = await Entity.load({
          traits: {
            Positioned: {},
          },
        });
      });
      it('exists', async () => {
        expect(entity.is('Positioned')).to.be.true;
      });
      if ('client' !== process.env.SIDE) {
        it('generates and accepts movement packets', async () => {
          entity.setPosition([1, 1]);
          const packets = normalize(latus, entity.trait('Positioned').packets());
          expect(packets).to.have.lengthOf(1);
          expect(packets[0].constructor.type).to.equal('TraitUpdatePositionedPosition');
          expect(packets[0].data).to.deep.equal([1, 1]);
          const entity2 = await Entity.load({
            traits: {
              Positioned: {},
            },
          });
          expect(entity2.position).to.deep.equal([0, 0]);
          const trait = entity2.trait('Positioned');
          trait.acceptPacket(packets[0]);
          expect(trait.serverPosition).to.deep.equal([1, 1]);
        });
      }
    });
  });
});