View Objects: Example Testing

viewObjects5.test.js

var expect = require('chai').expect
var GradeReportPresenter = require('./gradeReportPresenter')
var Grade = require('./grade')

describe('GradeReportPresenter', function(){
  before(function(){
    this.student = {
      id: '123456',
      firstName: 'Susan',
      lastName: 'Smith',
      gender: 'f',
      phone: "5551234567",
      assignments: [
        {
          grade: new Grade(0.65)
        },
        {
          grade: new Grade(0.83)
        },
        {
          grade: new Grade(0.90)
        }
      ]
    }

    this.presented = new GradeReportPresenter(this.student).present()
  })

  it('returns only the specified properties', function(){
    expect(this.presented).to.have.keys('phone', 'averageGrade', 'isPassing')
  })

  describe('#averageGrade', function(){
    it('returns the correct value', function(){
      expect(this.presented.averageGrade).to.equal(0.79)
    })
  })

  describe('#isPassing', function(){
    it('returns the correct value', function() {
      expect( presented.isPassing ).to.equal(true)
    })
  })

  describe('#phone', function(){
    it('returns the correct value', function() {
      expect(this.presented.phone).to.equal('555-123-4567')
    })
  })

})