old_contents: var Brew = require('./brew');
  var expect = require('chai').expect;
  
  describe('Brew model', function() {
    describe('get actual phase', function() {
      it('should find the phase in progress', function() {
        var brew = new Brew({
          name: 'Very IPA',
          startDate: new Date(),
          phases: [{
            min: 10,
            temp: 50,
            status: 'active'
          }, {
            min: 20,
            temp: 70,
            status: 'scheduled'
          }]
        });
  
        var actual = brew.getActualPhase();
        expect(actual).to.be.eql({
          min: 10,
          temp: 50,
          status: 'active'
        });
      });
  
      it('should handle when there is no phase in progress', function() {
        var brew = new Brew({
          name: 'Very IPA',
          startDate: new Date(),
          phases: [{
            min: 10,
            temp: 50,
            status: 'scheduled'
          }, {
            min: 20,
            temp: 70,
            status: 'scheduled'
          }]
        });
  
        var actual = brew.getActualPhase();
        expect(actual).to.be.undefined;
      });
    });
  });
  
new_contents: var Brew = require('./brew');
  var BrewPhase = require('./BrewPhase');
  var expect = require('chai').expect;
  
  describe('Brew model', function() {
    describe('get actual phase', function() {
      it('should find the phase in progress', function() {
        var actualPhase = new BrewPhase({
          min: 10,
          temp: 50,
          status: 'active'
        });
  
        var scheduledPhase = new BrewPhase({
          min: 20,
          temp: 70,
          status: 'scheduled'
        });
  
        var brew = new Brew({
          name: 'Very IPA',
          startDate: new Date(),
          phases: [actualPhase, scheduledPhase]
        });
  
        var actual = brew.getActualPhase();
        expect(actual).to.be.eql(actualPhase);
      });
  
      it('should handle when there is no phase in progress', function() {
        var scheduledPhase1 = new BrewPhase({
          min: 10,
          temp: 50,
          status: 'scheduled'
        });
  
        var scheduledPhase2 = new BrewPhase({
          min: 20,
          temp: 70,
          status: 'scheduled'
        });
  
        var brew = new Brew({
          name: 'Very IPA',
          startDate: new Date(),
          phases: [scheduledPhase1, scheduledPhase2]
        });
  
        var actual = brew.getActualPhase();
        expect(actual).to.be.undefined;
      });
    });
  });
  
subject: Use BrewPhase in Brew tests