b4ed14f4f7
This will leave out the student that never attempt the question and fixes the error with histogram rendering.
47 lines
1.4 KiB
CoffeeScript
47 lines
1.4 KiB
CoffeeScript
describe 'Histogram', ->
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beforeEach ->
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spyOn $, 'plot'
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describe 'constructor', ->
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it 'instantiate the data arrays', ->
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histogram = new Histogram 1, []
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expect(histogram.xTicks).toEqual []
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expect(histogram.yTicks).toEqual []
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expect(histogram.data).toEqual []
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describe 'calculate', ->
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beforeEach ->
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@histogram = new Histogram(1, [[null, 1], [1, 1], [2, 2], [3, 3]])
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it 'store the correct value for data', ->
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expect(@histogram.data).toEqual [[1, Math.log(2)], [2, Math.log(3)], [3, Math.log(4)]]
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it 'store the correct value for x ticks', ->
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expect(@histogram.xTicks).toEqual [[1, '1'], [2, '2'], [3, '3']]
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it 'store the correct value for y ticks', ->
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expect(@histogram.yTicks).toEqual
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describe 'render', ->
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it 'call flot with correct option', ->
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new Histogram(1, [[1, 1], [2, 2], [3, 3]])
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expect($.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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