Jasmine specs for new game timer.

TimerSpec.coffee

describe "Timer", ->

  beforeEach ->
    @timer = new Timer()


  describe "a new instance", ->

    it "should return 0 for getTotalSeconds()", ->
      (expect @timer.getTotalSeconds()).toEqual(0)

    it "should return '0' for getMinutes()", ->
      (expect @timer.getMinutes()).toEqual('0')

    it "should return 0 for getSeconds()", ->
      (expect @timer.getSeconds()).toEqual('00')


  describe "start()", ->
      
    beforeEach ->
      @clock = sinon.useFakeTimers()
      @timer.start()

    afterEach ->
      @clock.restore()

    describe "after 1 second", ->

      beforeEach ->        
        @clock.tick(1000)

      it "should return 1 for getTotalSeconds()", ->        
        (expect @timer.getTotalSeconds()).toEqual(1)

      it "should return '0' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('0')

      it "should return '01' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('01')

    describe "after 2 seconds", ->
      
      beforeEach ->
        @clock.tick(2000)  
      
      it "should return 2 for getTotalSeconds()", ->
        (expect @timer.getTotalSeconds()).toEqual(2)

      it "should return '0' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('0')

      it "should return '02' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('02')

    describe "after 60 seconds (1:00)", ->

      beforeEach ->
        @clock.tick(60000)

      it "should return 60 for getTotalSeconds()", ->
        (expect @timer.getTotalSeconds()).toEqual(60)

      it "should return '1' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('1')

      it "should return '00' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('00')

    describe "after 68 seconds (1:08)", ->
      
      beforeEach ->
        @clock.tick(68000)

      it "should return 68 for getTotalSeconds()", ->
        (expect @timer.getTotalSeconds()).toEqual(68)

      it "should return '1' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('1')

      it "should return '08' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('08')

    describe "after 183 seconds (3:03)", ->

      beforeEach ->
        @clock.tick(183000)

      it "should return 183 for getTotalSeconds()", ->
        (expect @timer.getTotalSeconds()).toEqual(183)

      it "should return '3' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('3')

      it "should return '03' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('03')


  describe "reset() the timer after 10 seconds", ->

    beforeEach ->
      @clock = sinon.useFakeTimers()
      @timer.start()
      @clock.tick(10000)
      @timer.reset()

    afterEach ->
      @clock.restore()

    it "should return 0 for getTotalSeconds()", ->      
      (expect @timer.getTotalSeconds()).toEqual(0)

    it "should return '0' for getMinutes()", ->
      (expect @timer.getMinutes()).toEqual('0')

    it "should return '00' for getSeconds()", ->
      (expect @timer.getSeconds()).toEqual('00')


  describe "stop() the timer after 5 seconds", ->

    beforeEach ->
      @clock = sinon.useFakeTimers()
      @timer.start()
      @clock.tick(5000)
      @timer.stop()      

    afterEach ->
      @clock.restore()

    describe "wait 5 seconds", ->

      beforeEach ->
        @clock.tick(5000)

      it "should return 5 for getTotalSeconds()", ->
        (expect @timer.getTotalSeconds()).toEqual(5)

      it "should return '0' for getMinutes()", ->
        (expect @timer.getMinutes()).toEqual('0')

      it "should return '05' for getSeconds()", ->
        (expect @timer.getSeconds()).toEqual('05')

      describe "re-start the timer with start()", ->

        beforeEach ->
          @timer.start()

        describe "wait 5 seconds", ->

          beforeEach ->
            @clock.tick(5000)
    
          it "should return 10 for getTotalSeconds()", ->
            (expect @timer.getTotalSeconds()).toEqual(10)

          it "should return '0' for getMinutes()", ->
            (expect @timer.getMinutes()).toEqual('0')

          it "should return '10' for getSeconds()", ->
            (expect @timer.getSeconds()).toEqual('10')