mirror of
https://github.com/chartjs/Chart.js.git
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e7372ade24
* fix: same-looking tooltips on multiseries charts * fix: same-looknig tooltips on all chart types * chore: restore tooltip plugin * docs: additions to migration guide * docs: remove labels from scatter and bubble examples * docs: review fix
397 lines
12 KiB
JavaScript
397 lines
12 KiB
JavaScript
describe('Chart.controllers.polarArea', function() {
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describe('auto', jasmine.fixture.specs('controller.polarArea'));
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it('should update the scale correctly when data visibility is changed', function() {
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var expectedScaleMax = 1;
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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: [100]}
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],
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labels: ['x']
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}
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});
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chart.toggleDataVisibility(0);
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chart.update();
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expect(chart.scales.r.max).toBe(expectedScaleMax);
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});
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it('should be registered as dataset controller', function() {
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expect(typeof Chart.controllers.polarArea).toBe('function');
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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.ArcElement).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.ArcElement).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.ArcElement).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.ArcElement).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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showLine: true,
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plugins: {
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legend: false,
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title: false
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},
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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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[
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{o: 174, s: -0.5 * Math.PI, e: 0},
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{o: 236, s: 0, e: 0.5 * Math.PI},
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{o: 51, 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].x).withContext(i).toBeCloseToPixel(256);
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expect(meta.data[i].y).withContext(i).toBeCloseToPixel(256);
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expect(meta.data[i].innerRadius).withContext(i).toBeCloseToPixel(0);
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expect(meta.data[i].outerRadius).withContext(i).toBeCloseToPixel(expected.o);
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expect(meta.data[i].startAngle).withContext(i).toBe(expected.s);
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expect(meta.data[i].endAngle).withContext(i).toBe(expected.e);
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expect(meta.data[i].options).withContext(i).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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}));
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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].options.backgroundColor).toBe('rgb(128, 129, 130)');
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expect(meta.data[i].options.borderColor).toBe('rgb(56, 57, 58)');
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expect(meta.data[i].options.borderWidth).toBe(1.123);
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}
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chart.update();
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expect(meta.data[0].x).toBeCloseToPixel(256);
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expect(meta.data[0].y).toBeCloseToPixel(256);
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expect(meta.data[0].innerRadius).toBeCloseToPixel(0);
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expect(meta.data[0].outerRadius).toBeCloseToPixel(174);
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});
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it('should update elements with start angle from options', 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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showLine: true,
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plugins: {
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legend: false,
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title: false,
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},
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scales: {
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r: {
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startAngle: 90, // default is 0
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}
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},
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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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[
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{o: 174, s: 0, e: 0.5 * Math.PI},
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{o: 236, s: 0.5 * Math.PI, e: Math.PI},
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{o: 51, s: Math.PI, e: 1.5 * Math.PI},
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{o: 0, s: 1.5 * Math.PI, e: 2.0 * Math.PI}
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].forEach(function(expected, i) {
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expect(meta.data[i].x).withContext(i).toBeCloseToPixel(256);
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expect(meta.data[i].y).withContext(i).toBeCloseToPixel(256);
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expect(meta.data[i].innerRadius).withContext(i).toBeCloseToPixel(0);
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expect(meta.data[i].outerRadius).withContext(i).toBeCloseToPixel(expected.o);
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expect(meta.data[i].startAngle).withContext(i).toBe(expected.s);
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expect(meta.data[i].endAngle).withContext(i).toBe(expected.e);
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expect(meta.data[i].options).withContext(i).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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}));
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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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showLine: 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.ArcElement).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.ArcElement).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.ArcElement).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.ArcElement).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.ArcElement).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.ArcElement).toBe(true);
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expect(meta.data[4] instanceof Chart.elements.ArcElement).toBe(true);
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});
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describe('Interactions', function() {
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beforeEach(function() {
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this.chart = window.acquireChart({
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type: 'polarArea',
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data: {
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labels: ['label1', 'label2', 'label3', 'label4'],
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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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options: {
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cutoutPercentage: 0,
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elements: {
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arc: {
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backgroundColor: 'rgb(100, 150, 200)',
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borderColor: 'rgb(50, 100, 150)',
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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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});
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it('should handle default hover styles', async function() {
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var chart = this.chart;
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var arc = chart.getDatasetMeta(0).data[0];
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await jasmine.triggerMouseEvent(chart, 'mousemove', arc);
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expect(arc.options.backgroundColor).toBe('#3187DD');
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expect(arc.options.borderColor).toBe('#175A9D');
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expect(arc.options.borderWidth).toBe(2);
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await jasmine.triggerMouseEvent(chart, 'mouseout', arc);
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expect(arc.options.backgroundColor).toBe('rgb(100, 150, 200)');
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expect(arc.options.borderColor).toBe('rgb(50, 100, 150)');
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expect(arc.options.borderWidth).toBe(2);
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});
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it('should handle hover styles defined via dataset properties', async function() {
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var chart = this.chart;
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var arc = chart.getDatasetMeta(0).data[0];
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Chart.helpers.merge(chart.data.datasets[0], {
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hoverBackgroundColor: 'rgb(200, 100, 150)',
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hoverBorderColor: 'rgb(150, 50, 100)',
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hoverBorderWidth: 8.4,
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});
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chart.update();
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await jasmine.triggerMouseEvent(chart, 'mousemove', arc);
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expect(arc.options.backgroundColor).toBe('rgb(200, 100, 150)');
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expect(arc.options.borderColor).toBe('rgb(150, 50, 100)');
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expect(arc.options.borderWidth).toBe(8.4);
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await jasmine.triggerMouseEvent(chart, 'mouseout', arc);
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expect(arc.options.backgroundColor).toBe('rgb(100, 150, 200)');
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expect(arc.options.borderColor).toBe('rgb(50, 100, 150)');
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expect(arc.options.borderWidth).toBe(2);
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});
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it('should handle hover styles defined via element options', async function() {
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var chart = this.chart;
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var arc = chart.getDatasetMeta(0).data[0];
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Chart.helpers.merge(chart.options.elements.arc, {
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hoverBackgroundColor: 'rgb(200, 100, 150)',
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hoverBorderColor: 'rgb(150, 50, 100)',
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hoverBorderWidth: 8.4,
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});
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chart.update();
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await jasmine.triggerMouseEvent(chart, 'mousemove', arc);
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expect(arc.options.backgroundColor).toBe('rgb(200, 100, 150)');
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expect(arc.options.borderColor).toBe('rgb(150, 50, 100)');
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expect(arc.options.borderWidth).toBe(8.4);
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await jasmine.triggerMouseEvent(chart, 'mouseout', arc);
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expect(arc.options.backgroundColor).toBe('rgb(100, 150, 200)');
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expect(arc.options.borderColor).toBe('rgb(50, 100, 150)');
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expect(arc.options.borderWidth).toBe(2);
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});
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});
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it('should not override tooltip title and label callbacks', async() => {
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const chart = window.acquireChart({
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type: 'polarArea',
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data: {
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labels: ['Label 1', 'Label 2'],
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datasets: [{
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data: [21, 79],
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label: 'Dataset 1'
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}, {
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data: [33, 67],
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label: 'Dataset 2'
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}]
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},
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options: {
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responsive: true,
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maintainAspectRatio: true,
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}
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});
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const {tooltip} = chart;
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const point = chart.getDatasetMeta(0).data[0];
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await jasmine.triggerMouseEvent(chart, 'mousemove', point);
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expect(tooltip.title).toEqual(['Label 1']);
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expect(tooltip.body).toEqual([{
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before: [],
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lines: ['Dataset 1: 21'],
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after: []
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}]);
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chart.options.plugins.tooltip = {mode: 'dataset'};
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chart.update();
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await jasmine.triggerMouseEvent(chart, 'mousemove', point);
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expect(tooltip.title).toEqual(['Dataset 1']);
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expect(tooltip.body).toEqual([{
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before: [],
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lines: ['Label 1: 21'],
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after: []
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}, {
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before: [],
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lines: ['Label 2: 79'],
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after: []
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}]);
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});
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});
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