47 lines
1.4 KiB
CoffeeScript
47 lines
1.4 KiB
CoffeeScript
describe 'Histogram', ->
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beforeEach ->
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spyOn $, 'plot'
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describe 'constructor', ->
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it 'instantiate the data arrays', ->
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histogram = new Histogram 1, []
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expect(histogram.xTicks).toEqual []
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expect(histogram.yTicks).toEqual []
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expect(histogram.data).toEqual []
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describe 'calculate', ->
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beforeEach ->
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@histogram = new Histogram(1, [[1, 1], [2, 2], [3, 3]])
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it 'store the correct value for data', ->
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expect(@histogram.data).toEqual [[1, Math.log(2)], [2, Math.log(3)], [3, Math.log(4)]]
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it 'store the correct value for x ticks', ->
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expect(@histogram.xTicks).toEqual [[1, '1'], [2, '2'], [3, '3']]
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it 'store the correct value for y ticks', ->
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expect(@histogram.yTicks).toEqual
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describe 'render', ->
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it 'call flot with correct option', ->
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new Histogram(1, [[1, 1], [2, 2], [3, 3]])
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expect($.plot).toHaveBeenCalledWith $("#histogram_1"), [
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data: [[1, Math.log(2)], [2, Math.log(3)], [3, Math.log(4)]]
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bars:
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show: true
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align: 'center'
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lineWidth: 0
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fill: 1.0
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color: "#b72121"
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],
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xaxis:
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min: -1
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max: 4
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ticks: [[1, '1'], [2, '2'], [3, '3']]
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tickLength: 0
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yaxis:
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min: 0.0
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max: Math.log(4) * 1.1
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ticks: [[Math.log(2), '1'], [Math.log(3), '2'], [Math.log(4), '3']]
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labelWidth: 50
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