avocado/packages/entity/test/spawner.js

import {resource} from '@avocado/resource';
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', `${__dirname}/../src`],
      '@avocado/resource',
      '@avocado/traits',
    ]);
    await Promise.all(latus.invokeFlat('@latus/core/starting'));
    ({fromResourceType: {Entity, EntityList}} = resource(latus));
  });
  describe('Traits', () => {
    describe('Spawner', () => {
      let entity;
      let list;
      beforeEach(async () => {
        entity = await Entity.load({
          traits: {
            Listed: {},
            Spawner: {
              params: {
                spawns: {
                  testy: {
                    traits: {
                      Alive: {},
                      Listed: {},
                      Positioned: {},
                    },
                  },
                },
              },
            },
          },
        });
        list = new EntityList();
        list.addEntity(entity);
      });
      it('exists', async () => {
        expect(entity.is('Spawner')).to.be.true;
      });
      it('can spawn from key', async () => {
        const spawned = await entity.spawn('testy');
        expect(spawned.is('Alive')).to.be.true;
        const spawned2 = await entity.spawn('testy', {
          traits: {
            Alive: {
              state: {
                life: 50,
              },
            },
          },
        });
        expect(spawned2.life).to.equal(50);
        const spawned3 = await entity.spawnAt('testy', [69, 420]);
        expect(spawned3.position).to.deep.equal([69, 420]);
      });
      it('can spawn from arbitrary JSON', async () => {
        const spawned = await entity.spawnRaw({
          traits: {
            Listed: {},
            Mobile: {},
          },
        });
        expect(spawned.is('Mobile')).to.be.true;
        const spawned2 = await entity.spawnRawAt(
          {
            traits: {
              Listed: {},
              Mobile: {},
            },
          },
          [311, 200],
        );
        expect(spawned2.position).to.deep.equal([311, 200]);
      });
      it('can kill all children', async () => {
        const COUNT = 15;
        for (let i = 0; i < COUNT; ++i) {
          await entity.spawnRaw({
            traits: {
              Existent: {},
              Listed: {},
              Mobile: {},
            },
          });
        }
        expect(Object.keys(list.entities)).to.have.lengthOf(COUNT + 1);
        entity.killAllChildren();
        expect(Object.keys(list.entities)).to.have.lengthOf(1);
      });
    });
  });
});