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968 lines
26 KiB
JavaScript
968 lines
26 KiB
JavaScript
describe('Chart.controllers.line', function() {
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describe('auto', jasmine.fixture.specs('controller.line'));
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it('should be registered as dataset controller', function() {
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expect(typeof Chart.controllers.line).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: 'line',
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data: {
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datasets: [{
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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(0);
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expect(meta.type).toBe('line');
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expect(meta.controller).not.toBe(undefined);
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expect(meta.controller.index).toBe(0);
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expect(meta.data).toEqual([]);
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meta.controller.updateIndex(1);
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expect(meta.controller.index).toBe(1);
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});
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it('Should use the first scale IDs if the dataset does not specify them', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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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(0);
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expect(meta.xAxisID).toBe('x');
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expect(meta.yAxisID).toBe('y');
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});
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it('Should not throw with empty dataset when tension is non-zero', function() {
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// https://github.com/chartjs/Chart.js/issues/8676
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function createChart() {
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return window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [],
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tension: 0.5
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}],
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labels: []
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},
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});
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}
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expect(createChart).not.toThrow();
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});
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it('should find min and max for stacked chart', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [10, 11, 12, 13]
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}, {
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data: [1, 2, 3, 4]
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}],
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labels: ['a', 'b', 'c', 'd']
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},
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options: {
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scales: {
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y: {
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stacked: true
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}
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}
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}
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});
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expect(chart.getDatasetMeta(0).controller.getMinMax(chart.scales.y, true)).toEqual({min: 10, max: 13});
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expect(chart.getDatasetMeta(1).controller.getMinMax(chart.scales.y, true)).toEqual({min: 11, max: 17});
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chart.hide(0);
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expect(chart.getDatasetMeta(0).controller.getMinMax(chart.scales.y, true)).toEqual({min: 10, max: 13});
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expect(chart.getDatasetMeta(1).controller.getMinMax(chart.scales.y, true)).toEqual({min: 1, max: 4});
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});
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it('Should create line elements and point elements for each data item during initialization', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset1'
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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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expect(meta.data.length).toBe(4); // 4 points created
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expect(meta.data[0] instanceof Chart.elements.PointElement).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.PointElement).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.PointElement).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.PointElement).toBe(true);
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expect(meta.dataset instanceof Chart.elements.LineElement).toBe(true); // 1 line element
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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: 'line',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset1'
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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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}
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});
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var meta = chart.getDatasetMeta(0);
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spyOn(meta.dataset, 'updateControlPoints');
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spyOn(meta.dataset, 'draw');
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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.dataset.updateControlPoints.calls.count()).toBeGreaterThanOrEqual(1);
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expect(meta.dataset.draw.calls.count()).toBe(1);
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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: 'line',
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data: {
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datasets: [{
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data: [10, 15, 0, -4],
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label: 'dataset',
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xAxisID: 'x',
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yAxisID: 'y'
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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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point: {
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backgroundColor: 'red',
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borderColor: 'blue',
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}
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},
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scales: {
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x: {
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display: false
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},
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y: {
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display: false
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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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chart.data.datasets[0].data = [1, 2]; // remove 2 items
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chart.data.datasets[0].borderWidth = 1;
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chart.update();
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expect(meta.data.length).toBe(2);
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expect(meta._parsed.length).toBe(2);
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[
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{x: 5, y: 507},
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{x: 171, y: 5}
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].forEach(function(expected, i) {
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expect(meta.data[i].x).toBeCloseToPixel(expected.x);
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expect(meta.data[i].y).toBeCloseToPixel(expected.y);
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expect(meta.data[i].options).toEqual(jasmine.objectContaining({
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backgroundColor: 'red',
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borderColor: 'blue',
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}));
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});
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chart.data.datasets[0].data = [1, 2, 3]; // add 1 items
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chart.update();
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expect(meta.data.length).toBe(3); // should add a new meta data item
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});
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it('should correctly calculate x scale for label and point', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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labels: ['One'],
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datasets: [{
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data: [1],
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}]
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},
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options: {
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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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hover: {
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mode: 'nearest',
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intersect: true
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},
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scales: {
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x: {
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display: false,
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},
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y: {
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display: false,
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beginAtZero: true
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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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// 1 point
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var point = meta.data[0];
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expect(point.x).toBeCloseToPixel(5);
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// 2 points
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chart.data.labels = ['One', 'Two'];
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chart.data.datasets[0].data = [1, 2];
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chart.update();
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var points = meta.data;
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expect(points[0].x).toBeCloseToPixel(5);
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expect(points[1].x).toBeCloseToPixel(507);
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// 3 points
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chart.data.labels = ['One', 'Two', 'Three'];
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chart.data.datasets[0].data = [1, 2, 3];
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chart.update();
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points = meta.data;
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expect(points[0].x).toBeCloseToPixel(5);
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expect(points[1].x).toBeCloseToPixel(256);
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expect(points[2].x).toBeCloseToPixel(507);
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// 4 points
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chart.data.labels = ['One', 'Two', 'Three', 'Four'];
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chart.data.datasets[0].data = [1, 2, 3, 4];
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chart.update();
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points = meta.data;
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expect(points[0].x).toBeCloseToPixel(5);
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expect(points[1].x).toBeCloseToPixel(171);
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expect(points[2].x).toBeCloseToPixel(340);
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expect(points[3].x).toBeCloseToPixel(507);
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});
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it('should update elements when the y scale is stacked', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [10, -10, 10, -10],
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label: 'dataset1'
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}, {
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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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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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x: {
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display: false,
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},
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y: {
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display: false,
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stacked: true
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}
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}
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}
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});
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var meta0 = chart.getDatasetMeta(0);
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[
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{x: 5, y: 148},
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{x: 171, y: 435},
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{x: 341, y: 148},
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{x: 507, y: 435}
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].forEach(function(values, i) {
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expect(meta0.data[i].x).toBeCloseToPixel(values.x);
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expect(meta0.data[i].y).toBeCloseToPixel(values.y);
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});
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var meta1 = chart.getDatasetMeta(1);
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[
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{x: 5, y: 5},
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{x: 171, y: 76},
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{x: 341, y: 148},
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{x: 507, y: 492}
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].forEach(function(values, i) {
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expect(meta1.data[i].x).toBeCloseToPixel(values.x);
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expect(meta1.data[i].y).toBeCloseToPixel(values.y);
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});
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});
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it('should update elements when the y scale is stacked with multiple axes', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [10, -10, 10, -10],
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label: 'dataset1'
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}, {
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data: [10, 15, 0, -4],
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label: 'dataset2'
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}, {
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data: [10, 10, -10, -10],
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label: 'dataset3',
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yAxisID: 'y2'
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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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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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x: {
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display: false,
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},
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y: {
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display: false,
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stacked: true
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},
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y2: {
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type: 'linear',
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position: 'right',
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display: false
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}
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}
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}
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});
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var meta0 = chart.getDatasetMeta(0);
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[
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{x: 5, y: 148},
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{x: 171, y: 435},
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{x: 341, y: 148},
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{x: 507, y: 435}
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].forEach(function(values, i) {
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expect(meta0.data[i].x).toBeCloseToPixel(values.x);
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expect(meta0.data[i].y).toBeCloseToPixel(values.y);
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});
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var meta1 = chart.getDatasetMeta(1);
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[
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{x: 5, y: 5},
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{x: 171, y: 76},
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{x: 341, y: 148},
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{x: 507, y: 492}
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].forEach(function(values, i) {
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expect(meta1.data[i].x).toBeCloseToPixel(values.x);
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expect(meta1.data[i].y).toBeCloseToPixel(values.y);
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});
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});
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it('should update elements when the y scale is stacked and datasets is scatter data', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [{
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x: 0,
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y: 10
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}, {
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x: 1,
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y: -10
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}, {
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x: 2,
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y: 10
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}, {
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x: 3,
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y: -10
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}],
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label: 'dataset1'
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}, {
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data: [{
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x: 0,
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y: 10
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}, {
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x: 1,
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y: 15
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}, {
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x: 2,
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y: 0
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}, {
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x: 3,
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y: -4
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}],
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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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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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x: {
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display: false,
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},
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y: {
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display: false,
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stacked: true
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}
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}
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}
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});
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var meta0 = chart.getDatasetMeta(0);
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[
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{x: 5, y: 148},
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{x: 171, y: 435},
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{x: 341, y: 148},
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{x: 507, y: 435}
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].forEach(function(values, i) {
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expect(meta0.data[i].x).toBeCloseToPixel(values.x);
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expect(meta0.data[i].y).toBeCloseToPixel(values.y);
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});
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var meta1 = chart.getDatasetMeta(1);
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[
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{x: 5, y: 5},
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{x: 171, y: 76},
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{x: 341, y: 148},
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{x: 507, y: 492}
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].forEach(function(values, i) {
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expect(meta1.data[i].x).toBeCloseToPixel(values.x);
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expect(meta1.data[i].y).toBeCloseToPixel(values.y);
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});
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});
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it('should update elements when the y scale is stacked and data is strings', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: ['10', '-10', '10', '-10'],
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label: 'dataset1'
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}, {
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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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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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x: {
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display: false,
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},
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y: {
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display: false,
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stacked: true
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}
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}
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}
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});
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var meta0 = chart.getDatasetMeta(0);
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[
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{x: 5, y: 148},
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{x: 171, y: 435},
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{x: 341, y: 148},
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{x: 507, y: 435}
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].forEach(function(values, i) {
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expect(meta0.data[i].x).toBeCloseToPixel(values.x);
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expect(meta0.data[i].y).toBeCloseToPixel(values.y);
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});
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var meta1 = chart.getDatasetMeta(1);
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[
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{x: 5, y: 5},
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{x: 171, y: 76},
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{x: 341, y: 148},
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{x: 507, y: 492}
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].forEach(function(values, i) {
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expect(meta1.data[i].x).toBeCloseToPixel(values.x);
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expect(meta1.data[i].y).toBeCloseToPixel(values.y);
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});
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});
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it('should fall back to the line styles for points', function() {
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var chart = window.acquireChart({
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type: 'line',
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data: {
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datasets: [{
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data: [0, 0],
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label: 'dataset1',
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// line styles
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backgroundColor: 'rgb(98, 98, 98)',
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borderColor: 'rgb(8, 8, 8)',
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borderWidth: 0.55,
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}],
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labels: ['label1', 'label2']
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}
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});
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var meta = chart.getDatasetMeta(0);
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expect(meta.dataset.options.backgroundColor).toBe('rgb(98, 98, 98)');
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expect(meta.dataset.options.borderColor).toBe('rgb(8, 8, 8)');
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expect(meta.dataset.options.borderWidth).toBe(0.55);
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});
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describe('dataset global defaults', function() {
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beforeEach(function() {
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this._defaults = Chart.helpers.clone(Chart.defaults.datasets.line);
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});
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afterEach(function() {
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Chart.defaults.datasets.line = this._defaults;
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delete this._defaults;
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});
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it('should utilize the dataset global default options', function() {
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Chart.helpers.merge(Chart.defaults.datasets.line, {
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spanGaps: true,
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tension: 0.231,
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backgroundColor: '#add',
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borderWidth: '#daa',
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borderColor: '#dad',
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borderCapStyle: 'round',
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|
borderDash: [0],
|
|
borderDashOffset: 0.871,
|
|
borderJoinStyle: 'miter',
|
|
fill: 'start',
|
|
cubicInterpolationMode: 'monotone'
|
|
});
|
|
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [0, 0],
|
|
label: 'dataset1'
|
|
}],
|
|
labels: ['label1', 'label2']
|
|
}
|
|
});
|
|
|
|
var options = chart.getDatasetMeta(0).dataset.options;
|
|
|
|
expect(options.spanGaps).toBe(true);
|
|
expect(options.tension).toBe(0.231);
|
|
expect(options.backgroundColor).toBe('#add');
|
|
expect(options.borderWidth).toBe('#daa');
|
|
expect(options.borderColor).toBe('#dad');
|
|
expect(options.borderCapStyle).toBe('round');
|
|
expect(options.borderDash).toEqual([0]);
|
|
expect(options.borderDashOffset).toBe(0.871);
|
|
expect(options.borderJoinStyle).toBe('miter');
|
|
expect(options.fill).toBe('start');
|
|
expect(options.cubicInterpolationMode).toBe('monotone');
|
|
});
|
|
|
|
it('should be overridden by user-supplied values', function() {
|
|
Chart.helpers.merge(Chart.defaults.datasets.line, {
|
|
spanGaps: true,
|
|
tension: 0.231
|
|
});
|
|
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [0, 0],
|
|
label: 'dataset1',
|
|
spanGaps: true,
|
|
backgroundColor: '#dad'
|
|
}],
|
|
labels: ['label1', 'label2']
|
|
},
|
|
options: {
|
|
datasets: {
|
|
line: {
|
|
tension: 0.345,
|
|
backgroundColor: '#add'
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
var options = chart.getDatasetMeta(0).dataset.options;
|
|
|
|
// dataset-level option overrides global default
|
|
expect(options.spanGaps).toBe(true);
|
|
// chart-level default overrides global default
|
|
expect(options.tension).toBe(0.345);
|
|
// dataset-level option overrides chart-level default
|
|
expect(options.backgroundColor).toBe('#dad');
|
|
});
|
|
});
|
|
|
|
it('should obey the chart-level dataset options', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [0, 0],
|
|
label: 'dataset1'
|
|
}],
|
|
labels: ['label1', 'label2']
|
|
},
|
|
options: {
|
|
datasets: {
|
|
line: {
|
|
spanGaps: true,
|
|
tension: 0.231,
|
|
backgroundColor: '#add',
|
|
borderWidth: '#daa',
|
|
borderColor: '#dad',
|
|
borderCapStyle: 'round',
|
|
borderDash: [0],
|
|
borderDashOffset: 0.871,
|
|
borderJoinStyle: 'miter',
|
|
fill: 'start',
|
|
cubicInterpolationMode: 'monotone'
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
var options = chart.getDatasetMeta(0).dataset.options;
|
|
|
|
expect(options.spanGaps).toBe(true);
|
|
expect(options.tension).toBe(0.231);
|
|
expect(options.backgroundColor).toBe('#add');
|
|
expect(options.borderWidth).toBe('#daa');
|
|
expect(options.borderColor).toBe('#dad');
|
|
expect(options.borderCapStyle).toBe('round');
|
|
expect(options.borderDash).toEqual([0]);
|
|
expect(options.borderDashOffset).toBe(0.871);
|
|
expect(options.borderJoinStyle).toBe('miter');
|
|
expect(options.fill).toBe('start');
|
|
expect(options.cubicInterpolationMode).toBe('monotone');
|
|
});
|
|
|
|
it('should obey the dataset options', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [0, 0],
|
|
label: 'dataset1',
|
|
spanGaps: true,
|
|
tension: 0.231,
|
|
backgroundColor: '#add',
|
|
borderWidth: '#daa',
|
|
borderColor: '#dad',
|
|
borderCapStyle: 'round',
|
|
borderDash: [0],
|
|
borderDashOffset: 0.871,
|
|
borderJoinStyle: 'miter',
|
|
fill: 'start',
|
|
cubicInterpolationMode: 'monotone'
|
|
}],
|
|
labels: ['label1', 'label2']
|
|
}
|
|
});
|
|
|
|
var options = chart.getDatasetMeta(0).dataset.options;
|
|
|
|
expect(options.spanGaps).toBe(true);
|
|
expect(options.tension).toBe(0.231);
|
|
expect(options.backgroundColor).toBe('#add');
|
|
expect(options.borderWidth).toBe('#daa');
|
|
expect(options.borderColor).toBe('#dad');
|
|
expect(options.borderCapStyle).toBe('round');
|
|
expect(options.borderDash).toEqual([0]);
|
|
expect(options.borderDashOffset).toBe(0.871);
|
|
expect(options.borderJoinStyle).toBe('miter');
|
|
expect(options.fill).toBe('start');
|
|
expect(options.cubicInterpolationMode).toBe('monotone');
|
|
});
|
|
|
|
it('should handle number of data point changes in update', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [10, 15, 0, -4],
|
|
label: 'dataset1',
|
|
}],
|
|
labels: ['label1', 'label2', 'label3', 'label4']
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
chart.data.datasets[0].data = [1, 2]; // remove 2 items
|
|
chart.update();
|
|
expect(meta.data.length).toBe(2);
|
|
expect(meta.data[0] instanceof Chart.elements.PointElement).toBe(true);
|
|
expect(meta.data[1] instanceof Chart.elements.PointElement).toBe(true);
|
|
|
|
chart.data.datasets[0].data = [1, 2, 3, 4, 5]; // add 3 items
|
|
chart.update();
|
|
expect(meta.data.length).toBe(5);
|
|
expect(meta.data[0] instanceof Chart.elements.PointElement).toBe(true);
|
|
expect(meta.data[1] instanceof Chart.elements.PointElement).toBe(true);
|
|
expect(meta.data[2] instanceof Chart.elements.PointElement).toBe(true);
|
|
expect(meta.data[3] instanceof Chart.elements.PointElement).toBe(true);
|
|
expect(meta.data[4] instanceof Chart.elements.PointElement).toBe(true);
|
|
});
|
|
|
|
describe('Interactions', function() {
|
|
beforeEach(function() {
|
|
this.chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
labels: ['label1', 'label2', 'label3', 'label4'],
|
|
datasets: [{
|
|
data: [10, 15, 0, -4]
|
|
}]
|
|
},
|
|
options: {
|
|
scales: {
|
|
x: {
|
|
offset: true
|
|
}
|
|
},
|
|
elements: {
|
|
point: {
|
|
backgroundColor: 'rgb(100, 150, 200)',
|
|
borderColor: 'rgb(50, 100, 150)',
|
|
borderWidth: 2,
|
|
radius: 3
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
it ('should handle default hover styles', async function() {
|
|
var chart = this.chart;
|
|
var point = chart.getDatasetMeta(0).data[0];
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
|
|
expect(point.options.backgroundColor).toBe('#3187DD');
|
|
expect(point.options.borderColor).toBe('#175A9D');
|
|
expect(point.options.borderWidth).toBe(1);
|
|
expect(point.options.radius).toBe(4);
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mouseout', point);
|
|
expect(point.options.backgroundColor).toBe('rgb(100, 150, 200)');
|
|
expect(point.options.borderColor).toBe('rgb(50, 100, 150)');
|
|
expect(point.options.borderWidth).toBe(2);
|
|
expect(point.options.radius).toBe(3);
|
|
});
|
|
|
|
it ('should handle hover styles defined via dataset properties', async function() {
|
|
var chart = this.chart;
|
|
var point = chart.getDatasetMeta(0).data[0];
|
|
|
|
Chart.helpers.merge(chart.data.datasets[0], {
|
|
hoverBackgroundColor: 'rgb(200, 100, 150)',
|
|
hoverBorderColor: 'rgb(150, 50, 100)',
|
|
hoverBorderWidth: 8.4,
|
|
hoverRadius: 4.2
|
|
});
|
|
|
|
chart.update();
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
|
|
expect(point.options.backgroundColor).toBe('rgb(200, 100, 150)');
|
|
expect(point.options.borderColor).toBe('rgb(150, 50, 100)');
|
|
expect(point.options.borderWidth).toBe(8.4);
|
|
expect(point.options.radius).toBe(4.2);
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mouseout', point);
|
|
expect(point.options.backgroundColor).toBe('rgb(100, 150, 200)');
|
|
expect(point.options.borderColor).toBe('rgb(50, 100, 150)');
|
|
expect(point.options.borderWidth).toBe(2);
|
|
expect(point.options.radius).toBe(3);
|
|
});
|
|
|
|
it('should handle hover styles defined via element options', async function() {
|
|
var chart = this.chart;
|
|
var point = chart.getDatasetMeta(0).data[0];
|
|
|
|
Chart.helpers.merge(chart.options.elements.point, {
|
|
hoverBackgroundColor: 'rgb(200, 100, 150)',
|
|
hoverBorderColor: 'rgb(150, 50, 100)',
|
|
hoverBorderWidth: 8.4,
|
|
hoverRadius: 4.2
|
|
});
|
|
|
|
chart.update();
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
|
|
expect(point.options.backgroundColor).toBe('rgb(200, 100, 150)');
|
|
expect(point.options.borderColor).toBe('rgb(150, 50, 100)');
|
|
expect(point.options.borderWidth).toBe(8.4);
|
|
expect(point.options.radius).toBe(4.2);
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mouseout', point);
|
|
expect(point.options.backgroundColor).toBe('rgb(100, 150, 200)');
|
|
expect(point.options.borderColor).toBe('rgb(50, 100, 150)');
|
|
expect(point.options.borderWidth).toBe(2);
|
|
expect(point.options.radius).toBe(3);
|
|
});
|
|
|
|
it('should handle dataset hover styles defined via dataset properties', async function() {
|
|
var chart = this.chart;
|
|
var point = chart.getDatasetMeta(0).data[0];
|
|
var dataset = chart.getDatasetMeta(0).dataset;
|
|
|
|
Chart.helpers.merge(chart.data.datasets[0], {
|
|
backgroundColor: '#AAA',
|
|
borderColor: '#BBB',
|
|
borderWidth: 6,
|
|
hoverBackgroundColor: '#000',
|
|
hoverBorderColor: '#111',
|
|
hoverBorderWidth: 12
|
|
});
|
|
|
|
chart.options.hover = {mode: 'dataset'};
|
|
chart.update();
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
|
|
expect(dataset.options.backgroundColor).toBe('#000');
|
|
expect(dataset.options.borderColor).toBe('#111');
|
|
expect(dataset.options.borderWidth).toBe(12);
|
|
|
|
await jasmine.triggerMouseEvent(chart, 'mouseout', point);
|
|
expect(dataset.options.backgroundColor).toBe('#AAA');
|
|
expect(dataset.options.borderColor).toBe('#BBB');
|
|
expect(dataset.options.borderWidth).toBe(6);
|
|
});
|
|
});
|
|
|
|
it('should allow 0 as a point border width', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [10, 15, 0, -4],
|
|
label: 'dataset1',
|
|
pointBorderWidth: 0
|
|
}],
|
|
labels: ['label1', 'label2', 'label3', 'label4']
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
var point = meta.data[0];
|
|
|
|
expect(point.options.borderWidth).toBe(0);
|
|
});
|
|
|
|
it('should allow an array as the point border width setting', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [10, 15, 0, -4],
|
|
label: 'dataset1',
|
|
pointBorderWidth: [1, 2, 3, 4]
|
|
}],
|
|
labels: ['label1', 'label2', 'label3', 'label4']
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
expect(meta.data[0].options.borderWidth).toBe(1);
|
|
expect(meta.data[1].options.borderWidth).toBe(2);
|
|
expect(meta.data[2].options.borderWidth).toBe(3);
|
|
expect(meta.data[3].options.borderWidth).toBe(4);
|
|
});
|
|
|
|
it('should render a million points', function() {
|
|
var data = [];
|
|
for (let x = 0; x < 1e6; x++) {
|
|
data.push({x, y: Math.sin(x / 10000)});
|
|
}
|
|
function createChart() {
|
|
window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data,
|
|
borderWidth: 1,
|
|
radius: 0
|
|
}],
|
|
},
|
|
options: {
|
|
scales: {
|
|
x: {type: 'linear'},
|
|
y: {type: 'linear'}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
expect(createChart).not.toThrow();
|
|
});
|
|
|
|
it('should set skipped points to the reset state', function() {
|
|
var chart = window.acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [10, null, 0, -4],
|
|
label: 'dataset1',
|
|
pointBorderWidth: [1, 2, 3, 4]
|
|
}],
|
|
labels: ['label1', 'label2', 'label3', 'label4']
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
var point = meta.data[1];
|
|
var {x, y} = point.getProps(['x', 'y'], true);
|
|
expect(point.skip).toBe(true);
|
|
expect(isNaN(x)).toBe(false);
|
|
expect(isNaN(y)).toBe(false);
|
|
});
|
|
});
|