Files
growstuff/spec/javascripts/graphs/height_scale_spec.js
2018-01-03 11:52:47 +13:00

36 lines
1.0 KiB
JavaScript

(function() {
'use strict';
/*
Tests for mapping the number of bars to the size of the svg
*/
describe('HeightScale when specifying height', function() {
var data; var bars; var HeightScale; var subject; var mockD3;
beforeEach(function() {
HeightScale = growstuff.HeightScale;
bars = [
{name: 'Shade', value: 0.2},
{name: 'Half Shade', value: 0.5},
];
data = {
bars: bars,
width: {size: 300, scale: 'linear'},
height: {size: 400, scale: 'ordinal'},
};
subject = new HeightScale(data);
mockD3 = jasmine.createSpyObj('d3', ['domain', 'rangeRoundBands']);
mockD3.domain.and.returnValue(mockD3);
mockD3.rangeRoundBands.and.returnValue(mockD3);
spyOn(d3.scale, 'ordinal').and.returnValue(mockD3);
subject.render();
});
it('calls the d3 range round bands function to draw the height', function() {
expect(mockD3.rangeRoundBands).toHaveBeenCalledWith([0, 400], 0.05, 0);
});
});
}());