a34c8c8233
This basically commits the transpiled CoffeeScript JS (with minor cleanup) and removes coffee build support. A tiny amount of support for xblocks exists, because external users may have xblocks with coffee. But no coffee in our tree anyway.
68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
describe('Histogram', function() {
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beforeEach(() => spyOn($, 'plot'));
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describe('constructor', () =>
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it('instantiate the data arrays', function() {
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const 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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})
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);
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describe('calculate', function() {
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beforeEach(function() {
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this.histogram = new Histogram(1, [[null, 1], [1, 1], [2, 2], [3, 3]]);
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});
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it('store the correct value for data', function() {
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expect(this.histogram.data).toEqual([[1, Math.log(2)], [2, Math.log(3)], [3, Math.log(4)]]);
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});
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it('store the correct value for x ticks', function() {
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expect(this.histogram.xTicks).toEqual([[1, '1'], [2, '2'], [3, '3']]);
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});
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it('store the correct value for y ticks', function() {
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expect(this.histogram.yTicks).toEqual;
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});
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});
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describe('render', () =>
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it('call flot with correct option', function() {
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new Histogram(1, [[1, 1], [2, 2], [3, 3]]);
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const firstArg = $.plot.calls.mostRecent().args[0];
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const secondArg = $.plot.calls.mostRecent().args[1];
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const thirdArg = $.plot.calls.mostRecent().args[2];
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expect(firstArg.selector).toEqual($("#histogram_1").selector);
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expect(secondArg).toEqual([{
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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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},
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color: "#b72121"
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}
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]);
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expect(thirdArg).toEqual({
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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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},
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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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}
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});
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})
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);
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});
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