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describe 'Morris.Donut', ->

  describe 'svg structure', ->
    defaults =
      element: 'graph'
      data: [ {label: 'Jam', value: 25 },
        {label: 'Frosted', value: 40 },
        {label: 'Custard', value: 25 },
        {label: 'Sugar', value: 10 } ]
      formatter: (y) -> "#{y}%"

    it 'should contain 2 paths for each segment', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path").size().should.equal 8

    it 'should contain 2 text elements for the label', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("text").size().should.equal 2

  describe 'svg attributes', ->
    defaults =
      element: 'graph'
      data: [ {label: 'Jam', value: 25 },
        {label: 'Frosted', value: 40 },
        {label: 'Custard', value: 25 },
        {label: 'Sugar', value: 10 } ]
      formatter: (y) -> "#{y}%"
      colors: [ '#0B62A4', '#3980B5', '#679DC6', '#95BBD7']

    it 'should have a label with font size 15', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("text[font-size='15px']").size().should.equal 1

    it 'should have a label with font size 14', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("text[font-size='14px']").size().should.equal 1

    it 'should have a label with font-weight 800', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("text[font-weight='800']").size().should.equal 1

    it 'should have 1 paths with fill of first color', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[fill='#0b62a4']").size().should.equal 1

    it 'should have 1 paths with stroke of first color', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[stroke='#0b62a4']").size().should.equal 1

    it 'should have a path with white stroke', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[stroke='#ffffff']").size().should.equal 4

    it 'should have a path with stroke-width 3', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[stroke-width='3']").size().should.equal 4

    it 'should have a path with stroke-width 2', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[stroke-width='2']").size().should.equal 4

  describe 'setData', ->
    defaults =
      element: 'graph'
      data: [ {label: 'One', value: 25 }, {label: "Two", value: 30} ]
      colors: ['#ff0000', '#00ff00', '#0000ff']

    it 'should update the chart', ->
      chart = Morris.Donut $.extend {}, defaults
      $('#graph').find("path[stroke='#0000ff']").size().should.equal 0
      chart.setData [
        { label: 'One', value: 25 }
        { label: 'Two', value: 30 }
        { label: 'Three', value: 35 }
      ]
      $('#graph').find("path[stroke='#0000ff']").size().should.equal 1