promise-test-example.js

describe('GET potatoes', function() {
  it('returns JSON with only authenticated robot\'s potatoes', function(done) {
    const objs = {};
    const createGlados = function() {
      return factory.create('robot').then(function(robot) {
        objs.glados = robot;
        return robot;
      });
    };

    const createWheatley = function() {
      return factory.create('robot').then(function(robot) {
        objs.wheatley = robot;
        return robot;
      });
    };

    const createGladosPotatoes = function() {
      return Promise.all([
        factory.create('potato', { ownerId: objs.glados.id }),
        factory.create('potato', { ownerId: objs.glados.id }),
      ]).then(function(potatoes) {
        objs.gladosPotatoes = potatoes;
        return potatoes;
      });
    };

    const createWheatleyPotato = function() {
      return factory.create('potato', { ownerId: objs.wheatley.id })
        .then(function(potato) {
          objs.wheatleyPotato = potato;
          return potato;
        });
    };

    createGlados
      .then(createGladosPotatoes)
      .then(createWheatley)
      .then(createWheatleyPotato)
      .then(function() {
        request
          .auth(objs.glados)
          .get('/potatoes')
          .then(function(response) {
            const potatoesResponse = response.body.potatoes;

            const returnedIds = _.pluck(potatoesResponse, 'id');

            expect(returnedIds).to.include(_.pluck(objs.gladosPotatoes, 'id'));
            expect(returnedIds).not.to.include(objs.wheatleyPotato.id);

            done();
          });
      }).catch(done);
  });
});