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-
- describe('Doughnut controller tests', function() {
-
- beforeEach(function() {
- window.addDefaultMatchers(jasmine);
- });
-
- afterEach(function() {
- window.releaseAllCharts();
- });
-
- 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);
- 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 reset and update elements', function() {
- var chart = window.acquireChart({
- type: 'doughnut',
- data: {
- datasets: [{
- data: [1, 2, 3, 4],
- hidden: true
- }, {
- data: [5, 6, 0, 7]
- }, {
- data: [8, 9, 10, 11]
- }],
- labels: ['label0', 'label1', 'label2', 'label3']
- },
- options: {
- animation: {
- animateRotate: true,
- animateScale: false
- },
- cutoutPercentage: 50,
- rotation: Math.PI * -0.5,
- circumference: Math.PI * 2.0,
- elements: {
- arc: {
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2
- }
- }
- }
- });
-
- var meta = chart.getDatasetMeta(1);
-
- meta.controller.reset();
-
- expect(meta.data.length).toBe(4);
-
- [ { c: 0 },
- { c: 0 },
- { c: 0, },
- { c: 0 }
- ].forEach(function(expected, i) {
- expect(meta.data[i]._model.x).toBeCloseToPixel(256);
- expect(meta.data[i]._model.y).toBeCloseToPixel(272);
- expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(239);
- expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(179);
- expect(meta.data[i]._model.circumference).toBeCloseTo(expected.c, 8);
- expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
- startAngle: Math.PI * -0.5,
- endAngle: Math.PI * -0.5,
- label: chart.data.labels[i],
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2
- }));
- })
-
- chart.update();
-
- [ { c: 1.7453292519, s: -1.5707963267, e: 0.1745329251 },
- { c: 2.0943951023, s: 0.1745329251, e: 2.2689280275 },
- { c: 0, s: 2.2689280275, e: 2.2689280275 },
- { c: 2.4434609527, s: 2.2689280275, e: 4.7123889803 }
- ].forEach(function(expected, i) {
- expect(meta.data[i]._model.x).toBeCloseToPixel(256);
- expect(meta.data[i]._model.y).toBeCloseToPixel(272);
- expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(239);
- expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(179);
- expect(meta.data[i]._model.circumference).toBeCloseTo(expected.c, 8);
- expect(meta.data[i]._model.startAngle).toBeCloseTo(expected.s, 8);
- expect(meta.data[i]._model.endAngle).toBeCloseTo(expected.e, 8);
- expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
- label: chart.data.labels[i],
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2
- }));
- })
-
-
- chart.data.datasets[1].data = [1, 2];
- chart.update();
-
- expect(meta.data.length).toBe(2);
- expect(meta.data[0] instanceof Chart.elements.Arc).toBe(true);
- expect(meta.data[1] instanceof Chart.elements.Arc).toBe(true);
-
-
- chart.data.datasets[1].data = [1, 2, 3, 4];
- chart.update();
-
- expect(meta.data.length).toBe(4);
- 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 rotate and limit circumference', function() {
- var chart = window.acquireChart({
- type: 'doughnut',
- data: {
- datasets: [{
- data: [2, 4],
- hidden: true
- }, {
- data: [1, 3]
- }, {
- data: [1, 0]
- }],
- labels: ['label0', 'label1']
- },
- options: {
- cutoutPercentage: 50,
- rotation: Math.PI,
- circumference: Math.PI * 0.5,
- elements: {
- arc: {
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2
- }
- }
- }
- });
-
- var meta = chart.getDatasetMeta(1);
-
- expect(meta.data.length).toBe(2);
-
-
- [ { c: Math.PI / 8, s: Math.PI, e: Math.PI + Math.PI / 8 },
- { c: 3 * Math.PI / 8, s: Math.PI + Math.PI / 8, e: Math.PI + Math.PI / 2 }
- ].forEach(function(expected, i) {
- expect(meta.data[i]._model.x).toBeCloseToPixel(495);
- expect(meta.data[i]._model.y).toBeCloseToPixel(511);
- expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(478);
- expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(359);
- expect(meta.data[i]._model.circumference).toBeCloseTo(expected.c,8);
- expect(meta.data[i]._model.startAngle).toBeCloseTo(expected.s, 8);
- expect(meta.data[i]._model.endAngle).toBeCloseTo(expected.e, 8);
- })
- });
-
- it ('should draw all arcs', function() {
- var chart = window.acquireChart({
- type: 'doughnut',
- data: {
- datasets: [{
- data: [10, 15, 0, 4]
- }],
- labels: ['label0', 'label1', 'label2', 'label3']
- }
- });
-
- var meta = chart.getDatasetMeta(0);
-
- spyOn(meta.data[0], 'draw');
- spyOn(meta.data[1], 'draw');
- spyOn(meta.data[2], 'draw');
- spyOn(meta.data[3], 'draw');
-
- chart.update();
-
- expect(meta.data[0].draw.calls.count()).toBe(1);
- expect(meta.data[1].draw.calls.count()).toBe(1);
- expect(meta.data[2].draw.calls.count()).toBe(1);
- expect(meta.data[3].draw.calls.count()).toBe(1);
- });
-
- it ('should set the hover style of an arc', function() {
- var chart = window.acquireChart({
- type: 'doughnut',
- data: {
- datasets: [{
- data: [10, 15, 0, 4]
- }],
- labels: ['label0', 'label1', 'label2', 'label3']
- },
- options: {
- elements: {
- arc: {
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2,
- }
- }
- }
- });
-
- var meta = chart.getDatasetMeta(0);
- var arc = meta.data[0];
-
- meta.controller.setHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(230, 0, 0)');
- expect(arc._model.borderColor).toBe('rgb(0, 0, 230)');
- expect(arc._model.borderWidth).toBe(2);
-
-
- chart.data.datasets[0].hoverBackgroundColor = 'rgb(9, 9, 9)';
- chart.data.datasets[0].hoverBorderColor = 'rgb(18, 18, 18)';
- chart.data.datasets[0].hoverBorderWidth = 1.56;
-
- meta.controller.setHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(9, 9, 9)');
- expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
- expect(arc._model.borderWidth).toBe(1.56);
-
-
- chart.data.datasets[0].hoverBackgroundColor = ['rgb(255, 255, 255)', 'rgb(9, 9, 9)'];
- chart.data.datasets[0].hoverBorderColor = ['rgb(18, 18, 18)'];
- chart.data.datasets[0].hoverBorderWidth = [0.1, 1.56];
-
- meta.controller.setHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(255, 255, 255)');
- expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
- expect(arc._model.borderWidth).toBe(0.1);
-
-
- arc.custom = {
- hoverBackgroundColor: 'rgb(7, 7, 7)',
- hoverBorderColor: 'rgb(17, 17, 17)',
- hoverBorderWidth: 3.14159,
- };
-
- meta.controller.setHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(7, 7, 7)');
- expect(arc._model.borderColor).toBe('rgb(17, 17, 17)');
- expect(arc._model.borderWidth).toBe(3.14159);
- });
-
- it ('should unset the hover style of an arc', function() {
- var chart = window.acquireChart({
- type: 'doughnut',
- data: {
- datasets: [{
- data: [10, 15, 0, 4]
- }],
- labels: ['label0', 'label1', 'label2', 'label3']
- },
- options: {
- elements: {
- arc: {
- backgroundColor: 'rgb(255, 0, 0)',
- borderColor: 'rgb(0, 0, 255)',
- borderWidth: 2,
- }
- }
- }
- });
-
- var meta = chart.getDatasetMeta(0);
- var arc = meta.data[0];
-
- meta.controller.removeHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(255, 0, 0)');
- expect(arc._model.borderColor).toBe('rgb(0, 0, 255)');
- expect(arc._model.borderWidth).toBe(2);
-
-
- chart.data.datasets[0].backgroundColor = 'rgb(9, 9, 9)';
- chart.data.datasets[0].borderColor = 'rgb(18, 18, 18)';
- chart.data.datasets[0].borderWidth = 1.56;
-
- meta.controller.removeHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(9, 9, 9)');
- expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
- expect(arc._model.borderWidth).toBe(1.56);
-
-
- chart.data.datasets[0].backgroundColor = ['rgb(255, 255, 255)', 'rgb(9, 9, 9)'];
- chart.data.datasets[0].borderColor = ['rgb(18, 18, 18)'];
- chart.data.datasets[0].borderWidth = [0.1, 1.56];
-
- meta.controller.removeHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(255, 255, 255)');
- expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
- expect(arc._model.borderWidth).toBe(0.1);
-
-
- arc.custom = {
- backgroundColor: 'rgb(7, 7, 7)',
- borderColor: 'rgb(17, 17, 17)',
- borderWidth: 3.14159,
- };
-
- meta.controller.removeHoverStyle(arc);
- expect(arc._model.backgroundColor).toBe('rgb(7, 7, 7)');
- expect(arc._model.borderColor).toBe('rgb(17, 17, 17)');
- expect(arc._model.borderWidth).toBe(3.14159);
- });
- });
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