skratchdot/random-useragent

'use strict';
/* globals describe, it */
const expect = require('chai').expect;
const lib = require('./index.js');
const iterations = 100;

describe('random-useragent', function () {
  it("don't change data", function () {
    const key = 'someNewKey';
    const d1 = lib.getAllData();
    d1[0][key] = 'foo';
    const d2 = lib.getAllData();
    expect(Object.prototype.hasOwnProperty.call(d1[0], key)).to.equal(true);
    expect(Object.prototype.hasOwnProperty.call(d2[0], key)).to.equal(false);
  });
  it('return values', function () {
    expect(lib.getRandom()).to.be.a('string');
    expect(lib.getRandomData()).to.be.an('object');
    expect(lib.getAll()).to.be.an('array');
    expect(lib.getAllData()).to.be.an('array');
  });
  it('randomization works', function (done) {
    for (let i = 0; i < iterations; i++) {
      expect(lib.getRandom()).to.be.a('string');
      expect(lib.getRandomData()).to.be.an('object');
    }
    done();
  });
  it('valid filters work', function () {
    const filter = function (item) {
      return item.browserName === 'Chrome';
    };
    expect(lib.getRandom(filter)).to.be.a('string');
    expect(lib.getRandomData(filter)).to.be.an('object');
    expect(lib.getAll(filter)).to.be.an('array');
    expect(lib.getAllData(filter)).to.be.an('array');
    expect(lib.getAll(filter)).to.have.length.gt(0);
    expect(lib.getAllData(filter)).to.have.length.gt(0);
  });
  it('invalid filters work', function () {
    const filter = function (item) {
      return item.browserName === 'Some Fake Browser';
    };
    expect(lib.getRandom(filter)).to.be.null;
    expect(lib.getRandomData(filter)).to.be.null;
    expect(lib.getAll(filter)).to.be.an('array');
    expect(lib.getAllData(filter)).to.be.an('array');
    expect(lib.getAll(filter)).to.have.length(0);
    expect(lib.getAllData(filter)).to.have.length(0);
  });
});