ABPCMS.Web/lib/chart.js/test/specs/controller.doughnut.tests.js

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// Test the bar controller
describe('Doughnut controller tests', function() {
	it('should be constructed', function() {
		var chart = window.acquireChart({
			type: 'doughnut',
			data: {
				datasets: [{
					data: []
				}],
				labels: []
			}
		});

		var meta = chart.getDatasetMeta(0);
		expect(meta.type).toBe('doughnut');
		expect(meta.controller).not.toBe(undefined);
		expect(meta.controller.index).toBe(0);
		expect(meta.data).toEqual([]);

		meta.controller.updateIndex(1);
		expect(meta.controller.index).toBe(1);
	});

	it('should create arc elements for each data item during initialization', function() {
		var chart = window.acquireChart({
			type: 'doughnut',
			data: {
				datasets: [{
					data: [10, 15, 0, 4]
				}],
				labels: []
			}
		});

		var meta = chart.getDatasetMeta(0);
		expect(meta.data.length).toBe(4); // 4 rectangles created
		expect(meta.data[0] instanceof Chart.elements.Arc).toBe(true);
		expect(meta.data[1] instanceof Chart.elements.Arc).toBe(true);
		expect(meta.data[2] instanceof Chart.elements.Arc).toBe(true);
		expect(meta.data[3] instanceof Chart.elements.Arc).toBe(true);
	});

	it('should set the innerRadius to 0 if the config option is 0', function() {
		var chart = window.acquireChart({
			type: 'pie',
			data: {
				datasets: [{
					data: [10, 15, 0, 4]
				}],
				labels: []
			}
		});

		expect(chart.innerRadius).toBe(0);
	});

	it ('should reset and update elements', function() {
		var chart = window.acquireChart({
			type: 'doughnut',
			data: {