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319 lines
8.7 KiB
319 lines
8.7 KiB
// Test the polar area controller
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describe('Polar area controller tests', function() {
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beforeEach(function() {
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window.addDefaultMatchers(jasmine);
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});
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afterEach(function() {
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window.releaseAllCharts();
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});
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it('should be constructed', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [
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{ data: [] },
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{ data: [] }
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],
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labels: []
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}
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});
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var meta = chart.getDatasetMeta(1);
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expect(meta.type).toEqual('polarArea');
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expect(meta.data).toEqual([]);
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expect(meta.hidden).toBe(null);
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expect(meta.controller).not.toBe(undefined);
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expect(meta.controller.index).toBe(1);
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meta.controller.updateIndex(0);
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expect(meta.controller.index).toBe(0);
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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 = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [
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{ data: [] },
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{ data: [10, 15, 0, -4] }
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],
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labels: []
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}
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});
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var meta = chart.getDatasetMeta(1);
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expect(meta.data.length).toBe(4); // 4 arcs created
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expect(meta.data[0] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.Arc).toBe(true);
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});
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it('should draw all elements', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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}
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});
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var meta = chart.getDatasetMeta(0);
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spyOn(meta.data[0], 'draw');
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spyOn(meta.data[1], 'draw');
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spyOn(meta.data[2], 'draw');
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spyOn(meta.data[3], 'draw');
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chart.update();
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expect(meta.data[0].draw.calls.count()).toBe(1);
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expect(meta.data[1].draw.calls.count()).toBe(1);
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expect(meta.data[2].draw.calls.count()).toBe(1);
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expect(meta.data[3].draw.calls.count()).toBe(1);
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});
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it('should update elements when modifying data', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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},
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options: {
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showLines: true,
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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, 255, 0)',
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borderWidth: 1.2
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}
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}
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}
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});
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var meta = chart.getDatasetMeta(0);
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expect(meta.data.length).toBe(4);
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[ { o: 156, s: -0.5 * Math.PI, e: 0 },
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{ o: 211, s: 0, e: 0.5 * Math.PI },
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{ o: 45, s: 0.5 * Math.PI, e: Math.PI },
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{ o: 0, s: Math.PI, e: 1.5 * Math.PI }
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].forEach(function(expected, i) {
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expect(meta.data[i]._model.x).toBeCloseToPixel(256);
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expect(meta.data[i]._model.y).toBeCloseToPixel(272);
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expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(0);
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expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(expected.o);
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expect(meta.data[i]._model.startAngle).toBe(expected.s);
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expect(meta.data[i]._model.endAngle).toBe(expected.e);
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expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
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backgroundColor: 'rgb(255, 0, 0)',
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borderColor: 'rgb(0, 255, 0)',
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borderWidth: 1.2,
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label: chart.data.labels[i]
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}));
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});
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// arc styles
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chart.data.datasets[0].backgroundColor = 'rgb(128, 129, 130)';
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chart.data.datasets[0].borderColor = 'rgb(56, 57, 58)';
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chart.data.datasets[0].borderWidth = 1.123;
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chart.update();
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for (var i = 0; i < 4; ++i) {
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expect(meta.data[i]._model.backgroundColor).toBe('rgb(128, 129, 130)');
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expect(meta.data[i]._model.borderColor).toBe('rgb(56, 57, 58)');
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expect(meta.data[i]._model.borderWidth).toBe(1.123);
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}
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// arc styles
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meta.data[0].custom = {
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backgroundColor: 'rgb(0, 1, 3)',
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borderColor: 'rgb(4, 6, 8)',
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borderWidth: 0.787
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};
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chart.update();
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expect(meta.data[0]._model.x).toBeCloseToPixel(256);
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expect(meta.data[0]._model.y).toBeCloseToPixel(272);
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expect(meta.data[0]._model.innerRadius).toBeCloseToPixel(0);
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expect(meta.data[0]._model.outerRadius).toBeCloseToPixel(156);
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expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
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startAngle: -0.5 * Math.PI,
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endAngle: 0,
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backgroundColor: 'rgb(0, 1, 3)',
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borderWidth: 0.787,
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borderColor: 'rgb(4, 6, 8)',
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label: 'label1'
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}));
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});
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it('should handle number of data point changes in update', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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},
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options: {
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showLines: true,
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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, 255, 0)',
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borderWidth: 1.2
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}
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}
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}
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});
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var meta = chart.getDatasetMeta(0);
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expect(meta.data.length).toBe(4);
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// remove 2 items
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chart.data.labels = ['label1', 'label2'];
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chart.data.datasets[0].data = [1, 2];
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chart.update();
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expect(meta.data.length).toBe(2);
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expect(meta.data[0] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.Arc).toBe(true);
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// add 3 items
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chart.data.labels = ['label1', 'label2', 'label3', 'label4', 'label5'];
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chart.data.datasets[0].data = [1, 2, 3, 4, 5];
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chart.update();
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expect(meta.data.length).toBe(5);
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expect(meta.data[0] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.Arc).toBe(true);
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expect(meta.data[4] instanceof Chart.elements.Arc).toBe(true);
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});
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it('should set arc hover styles', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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},
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options: {
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showLines: true,
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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, 255, 0)',
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borderWidth: 1.2
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}
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}
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}
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});
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var meta = chart.getDatasetMeta(0);
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var arc = meta.data[0];
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meta.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, 230, 0)');
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expect(arc._model.borderWidth).toBe(1.2);
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// Can set hover style per dataset
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chart.data.datasets[0].hoverBackgroundColor = 'rgb(77, 79, 81)';
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chart.data.datasets[0].hoverBorderColor = 'rgb(123, 125, 127)';
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chart.data.datasets[0].hoverBorderWidth = 2.1;
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meta.controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(77, 79, 81)');
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expect(arc._model.borderColor).toBe('rgb(123, 125, 127)');
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expect(arc._model.borderWidth).toBe(2.1);
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// Custom style
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arc.custom = {
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hoverBorderWidth: 5.5,
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hoverBackgroundColor: 'rgb(0, 0, 0)',
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hoverBorderColor: 'rgb(10, 10, 10)'
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};
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meta.controller.setHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(0, 0, 0)');
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expect(arc._model.borderColor).toBe('rgb(10, 10, 10)');
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expect(arc._model.borderWidth).toBe(5.5);
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});
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it('should remove hover styles', function() {
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var chart = window.acquireChart({
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type: 'polarArea',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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},
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options: {
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showLines: true,
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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, 255, 0)',
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borderWidth: 1.2
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}
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}
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}
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});
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var meta = chart.getDatasetMeta(0);
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var arc = meta.data[0];
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chart.options.elements.arc.backgroundColor = 'rgb(45, 46, 47)';
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chart.options.elements.arc.borderColor = 'rgb(50, 51, 52)';
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chart.options.elements.arc.borderWidth = 10.1;
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meta.controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(45, 46, 47)');
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expect(arc._model.borderColor).toBe('rgb(50, 51, 52)');
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expect(arc._model.borderWidth).toBe(10.1);
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// Can set hover style per dataset
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chart.data.datasets[0].backgroundColor = 'rgb(77, 79, 81)';
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chart.data.datasets[0].borderColor = 'rgb(123, 125, 127)';
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chart.data.datasets[0].borderWidth = 2.1;
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meta.controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(77, 79, 81)');
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expect(arc._model.borderColor).toBe('rgb(123, 125, 127)');
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expect(arc._model.borderWidth).toBe(2.1);
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// Custom style
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arc.custom = {
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borderWidth: 5.5,
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backgroundColor: 'rgb(0, 0, 0)',
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borderColor: 'rgb(10, 10, 10)'
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};
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meta.controller.removeHoverStyle(arc);
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expect(arc._model.backgroundColor).toBe('rgb(0, 0, 0)');
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expect(arc._model.borderColor).toBe('rgb(10, 10, 10)');
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expect(arc._model.borderWidth).toBe(5.5);
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});
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});
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