Lab BDD Setup

setup.js

// Lab setup
var Code = require('code');
var Lab = require('lab');
var lab = exports.lab = Lab.script();
var describe = lab.describe;
var it = lab.it;
var before = lab.before;
var after = lab.after;
var expect = Code.expect;

exports.run = function(tests) {
  tests(describe, it, before, after, expect);
};

tests.js

// String interpolation in ES6
var runner = require('./setup');
runner.run(function(describe, it, before, after, expect) {

  describe('template strings, are wrapped in backticks', function () {

    it('prints x into a string using ${x}', function (done) {
      var x = 42;
      expect(`x=${x}`).to.equal('x=' + x);
      done();
    });

    it('add two numbers inside the ${...}', function (done) {
      var x = 42;
      var y = 23;
      expect(`${ x + y}`).to.equal((x + y).toString());
      done();
    });

    it('get a function call result inside ${...}', function (done) {
      function getDomain() {
        return 'tddbin.com';
      }

      expect(`${ getDomain() }`).to.equal('tddbin.com');
      done();
    });
  });
});