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433 lines
11 KiB
JavaScript
433 lines
11 KiB
JavaScript
// Test the bar controller
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describe('Doughnut controller tests', function() {
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it('Should be constructed', function() {
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var chart = {
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data: {
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datasets: [{
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data: []
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}]
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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expect(controller).not.toBe(undefined);
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expect(controller.index).toBe(0);
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expect(chart.data.datasets[0].metaData).toEqual([]);
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controller.updateIndex(1);
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expect(controller.index).toBe(1);
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});
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it('Should create arc elements for each data item during initialization', function() {
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var chart = {
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}]
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},
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config: {
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type: 'doughnut'
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},
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options: {
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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expect(chart.data.datasets[0].metaData.length).toBe(4); // 4 rectangles created
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expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[0].metaData[2] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[0].metaData[3] instanceof Chart.elements.Arc).toBe(true);
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});
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it ('Should remove elements', function() {
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var chart = {
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}]
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},
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config: {
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type: 'doughnut'
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},
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options: {
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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controller.removeElement(1);
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expect(chart.data.datasets[0].metaData.length).toBe(3);
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});
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it ('Should reset and update elements', function() {
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var chart = {
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chart: {
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width: 100,
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height: 200,
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},
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data: {
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datasets: [{
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hidden: true
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}, {
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data: [10, 15, 0, 4]
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}, {
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data: [1]
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}],
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labels: ['label0', 'label1', 'label2', 'label3']
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},
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config: {
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type: 'doughnut'
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},
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options: {
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animation: {
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animateRotate: false,
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animateScale: false
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},
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cutoutPercentage: 50,
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elements: {
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arc: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)'
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}
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}
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 1);
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controller.reset(); // reset first
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expect(chart.data.datasets[1].metaData[0]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: Math.PI * -0.5,
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circumference: 2.166614539857563,
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outerRadius: 49,
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innerRadius: 36.75,
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});
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expect(chart.data.datasets[1].metaData[1]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: Math.PI * -0.5,
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circumference: 3.2499218097863447,
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outerRadius: 49,
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innerRadius: 36.75,
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});
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expect(chart.data.datasets[1].metaData[2]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: Math.PI * -0.5,
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circumference: 0,
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outerRadius: 49,
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innerRadius: 36.75,
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});
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expect(chart.data.datasets[1].metaData[3]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: Math.PI * -0.5,
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circumference: 0.8666458159430251,
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outerRadius: 49,
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innerRadius: 36.75,
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});
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controller.update();
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expect(chart.data.datasets[1].metaData[0]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: Math.PI * -0.5,
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endAngle: 0.5958182130626666,
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circumference: 2.166614539857563,
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outerRadius: 49,
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innerRadius: 36.75,
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)',
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label: 'label0',
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});
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expect(chart.data.datasets[1].metaData[1]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: 0.5958182130626666,
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endAngle: 3.8457400228490113,
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circumference: 3.2499218097863447,
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outerRadius: 49,
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innerRadius: 36.75,
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)',
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label: 'label1'
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});
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expect(chart.data.datasets[1].metaData[2]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: 3.8457400228490113,
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endAngle: 3.8457400228490113,
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circumference: 0,
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outerRadius: 49,
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innerRadius: 36.75,
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)',
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label: 'label2'
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});
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expect(chart.data.datasets[1].metaData[3]._model).toEqual({
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x: 50,
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y: 100,
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startAngle: 3.8457400228490113,
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endAngle: 4.712385838792036,
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circumference: 0.8666458159430251,
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outerRadius: 49,
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innerRadius: 36.75,
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)',
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label: 'label3'
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});
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// Change the amount of data and ensure that arcs are updated accordingly
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chart.data.datasets[1].data = [1, 2]; // remove 2 elements from dataset 0
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controller.buildOrUpdateElements();
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controller.update();
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expect(chart.data.datasets[1].metaData.length).toBe(2);
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expect(chart.data.datasets[1].metaData[0] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[1].metaData[1] instanceof Chart.elements.Arc).toBe(true);
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// Add data
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chart.data.datasets[1].data = [1, 2, 3, 4];
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controller.buildOrUpdateElements();
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controller.update();
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expect(chart.data.datasets[1].metaData.length).toBe(4);
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expect(chart.data.datasets[1].metaData[0] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[1].metaData[1] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[1].metaData[2] instanceof Chart.elements.Arc).toBe(true);
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expect(chart.data.datasets[1].metaData[3] instanceof Chart.elements.Arc).toBe(true);
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});
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it ('should draw all arcs', function() {
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var chart = {
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chart: {
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width: 100,
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height: 200,
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},
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['label0', 'label1', 'label2', 'label3']
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},
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config: {
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type: 'doughnut'
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},
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options: {
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animation: {
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animateRotate: false,
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animateScale: false
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},
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cutoutPercentage: 50,
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elements: {
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arc: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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hoverBackgroundColor: 'rgb(255, 255, 255)'
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}
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}
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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spyOn(chart.data.datasets[0].metaData[0], 'draw');
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spyOn(chart.data.datasets[0].metaData[1], 'draw');
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spyOn(chart.data.datasets[0].metaData[2], 'draw');
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spyOn(chart.data.datasets[0].metaData[3], 'draw');
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controller.draw();
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expect(chart.data.datasets[0].metaData[0].draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[1].draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[2].draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[3].draw.calls.count()).toBe(1);
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});
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it ('should set the hover style of an arc', function() {
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var chart = {
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chart: {
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width: 100,
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height: 200,
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},
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['label0', 'label1', 'label2', 'label3']
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},
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config: {
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type: 'doughnut'
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},
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options: {
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animation: {
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animateRotate: false,
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animateScale: false
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},
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cutoutPercentage: 50,
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elements: {
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arc: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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}
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}
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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controller.reset(); // reset first
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controller.update();
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var arc = chart.data.datasets[0].metaData[0];
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controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(230, 0, 0)');
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expect(arc._model.borderColor).toBe('rgb(0, 0, 230)');
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expect(arc._model.borderWidth).toBe(2);
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// Set a dataset style to take precedence
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chart.data.datasets[0].hoverBackgroundColor = 'rgb(9, 9, 9)';
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chart.data.datasets[0].hoverBorderColor = 'rgb(18, 18, 18)';
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chart.data.datasets[0].hoverBorderWidth = 1.56;
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controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(9, 9, 9)');
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expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
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expect(arc._model.borderWidth).toBe(1.56);
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// Dataset styles can be an array
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chart.data.datasets[0].hoverBackgroundColor = ['rgb(255, 255, 255)', 'rgb(9, 9, 9)'];
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chart.data.datasets[0].hoverBorderColor = ['rgb(18, 18, 18)'];
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chart.data.datasets[0].hoverBorderWidth = [0.1, 1.56];
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controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(255, 255, 255)');
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expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
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expect(arc._model.borderWidth).toBe(0.1);
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// Element custom styles also work
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arc.custom = {
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hoverBackgroundColor: 'rgb(7, 7, 7)',
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hoverBorderColor: 'rgb(17, 17, 17)',
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hoverBorderWidth: 3.14159,
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};
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controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(7, 7, 7)');
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expect(arc._model.borderColor).toBe('rgb(17, 17, 17)');
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expect(arc._model.borderWidth).toBe(3.14159);
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});
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it ('should unset the hover style of an arc', function() {
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var chart = {
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chart: {
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width: 100,
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height: 200,
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},
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['label0', 'label1', 'label2', 'label3']
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},
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config: {
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type: 'doughnut'
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},
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options: {
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animation: {
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animateRotate: false,
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animateScale: false
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},
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cutoutPercentage: 50,
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elements: {
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arc: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 0, 255)',
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borderWidth: 2,
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}
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}
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}
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};
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var controller = new Chart.controllers.doughnut(chart, 0);
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controller.reset(); // reset first
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controller.update();
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var arc = chart.data.datasets[0].metaData[0];
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controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(255, 0, 0)');
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expect(arc._model.borderColor).toBe('rgb(0, 0, 255)');
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expect(arc._model.borderWidth).toBe(2);
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// Set a dataset style to take precedence
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chart.data.datasets[0].backgroundColor = 'rgb(9, 9, 9)';
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chart.data.datasets[0].borderColor = 'rgb(18, 18, 18)';
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chart.data.datasets[0].borderWidth = 1.56;
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controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(9, 9, 9)');
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expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
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expect(arc._model.borderWidth).toBe(1.56);
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// Dataset styles can be an array
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chart.data.datasets[0].backgroundColor = ['rgb(255, 255, 255)', 'rgb(9, 9, 9)'];
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chart.data.datasets[0].borderColor = ['rgb(18, 18, 18)'];
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chart.data.datasets[0].borderWidth = [0.1, 1.56];
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controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(255, 255, 255)');
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expect(arc._model.borderColor).toBe('rgb(18, 18, 18)');
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expect(arc._model.borderWidth).toBe(0.1);
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// Element custom styles also work
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arc.custom = {
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backgroundColor: 'rgb(7, 7, 7)',
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borderColor: 'rgb(17, 17, 17)',
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borderWidth: 3.14159,
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};
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controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(7, 7, 7)');
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expect(arc._model.borderColor).toBe('rgb(17, 17, 17)');
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expect(arc._model.borderWidth).toBe(3.14159);
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});
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}); |