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https://github.com/chartjs/Chart.js.git
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91608398b6
Replace the old style canvas "mock" context checks by image based unit tests which are easier to maintain and allow more flexibility in the drawing logic since we are not testing the context calls but the final painted result.
489 lines
14 KiB
JavaScript
489 lines
14 KiB
JavaScript
describe('Chart.controllers.radar', function() {
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describe('auto', jasmine.specsFromFixtures('controller.radar'));
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it('Should be constructed', function() {
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var chart = window.acquireChart({
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type: 'radar',
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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('radar');
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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 create arc elements for each data item during initialization', function() {
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var chart = window.acquireChart({
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type: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['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.dataset instanceof Chart.elements.Line).toBe(true); // line element
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expect(meta.data.length).toBe(4); // 4 points created
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expect(meta.data[0] instanceof Chart.elements.Point).toBe(true);
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expect(meta.data[1] instanceof Chart.elements.Point).toBe(true);
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expect(meta.data[2] instanceof Chart.elements.Point).toBe(true);
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expect(meta.data[3] instanceof Chart.elements.Point).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: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['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.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.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', function() {
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var chart = window.acquireChart({
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type: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['label1', 'label2', 'label3', 'label4']
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},
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options: {
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showLines: true,
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legend: false,
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title: false,
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elements: {
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line: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderCapStyle: 'round',
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borderColor: 'rgb(0, 255, 0)',
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borderDash: [],
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borderDashOffset: 0.1,
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borderJoinStyle: 'bevel',
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borderWidth: 1.2,
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fill: true,
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tension: 0.1,
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},
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point: {
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backgroundColor: Chart.defaults.global.defaultColor,
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borderWidth: 1,
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borderColor: Chart.defaults.global.defaultColor,
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hitRadius: 1,
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hoverRadius: 4,
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hoverBorderWidth: 1,
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radius: 3,
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pointStyle: 'circle'
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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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meta.controller.reset(); // reset first
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// Line element
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expect(meta.dataset._model).toEqual(jasmine.objectContaining({
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backgroundColor: 'rgb(255, 0, 0)',
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borderCapStyle: 'round',
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borderColor: 'rgb(0, 255, 0)',
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borderDash: [],
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borderDashOffset: 0.1,
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borderJoinStyle: 'bevel',
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borderWidth: 1.2,
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fill: true,
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tension: 0.1,
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}));
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[
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{x: 256, y: 256, cppx: 256, cppy: 256, cpnx: 256, cpny: 256},
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{x: 256, y: 256, cppx: 256, cppy: 256, cpnx: 256, cpny: 256},
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{x: 256, y: 256, cppx: 256, cppy: 256, cpnx: 256, cpny: 256},
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{x: 256, y: 256, cppx: 256, cppy: 256, cpnx: 256, cpny: 256},
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].forEach(function(expected, i) {
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expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
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expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
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expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
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expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
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expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
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expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
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expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
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backgroundColor: Chart.defaults.global.defaultColor,
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borderWidth: 1,
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borderColor: Chart.defaults.global.defaultColor,
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hitRadius: 1,
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radius: 3,
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pointStyle: 'circle',
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skip: false,
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tension: 0.1,
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}));
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});
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// Now update controller and ensure proper updates
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meta.controller.update();
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[
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{x: 256, y: 117, cppx: 246, cppy: 117, cpnx: 272, cpny: 117},
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{x: 464, y: 256, cppx: 464, cppy: 248, cpnx: 464, cpny: 262},
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{x: 256, y: 256, cppx: 276.9, cppy: 256, cpnx: 250.4, cpny: 256},
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{x: 200, y: 256, cppx: 200, cppy: 259, cpnx: 200, cpny: 245},
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].forEach(function(expected, i) {
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expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
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expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
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expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
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expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
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expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
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expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
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expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
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backgroundColor: Chart.defaults.global.defaultColor,
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borderWidth: 1,
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borderColor: Chart.defaults.global.defaultColor,
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hitRadius: 1,
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radius: 3,
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pointStyle: 'circle',
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skip: false,
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tension: 0.1,
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}));
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});
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// Use dataset level styles for lines & points
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chart.data.datasets[0].lineTension = 0;
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chart.data.datasets[0].backgroundColor = 'rgb(98, 98, 98)';
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chart.data.datasets[0].borderColor = 'rgb(8, 8, 8)';
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chart.data.datasets[0].borderWidth = 0.55;
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chart.data.datasets[0].borderCapStyle = 'butt';
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chart.data.datasets[0].borderDash = [2, 3];
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chart.data.datasets[0].borderDashOffset = 7;
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chart.data.datasets[0].borderJoinStyle = 'miter';
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chart.data.datasets[0].fill = false;
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// point styles
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chart.data.datasets[0].pointRadius = 22;
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chart.data.datasets[0].hitRadius = 3.3;
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chart.data.datasets[0].pointBackgroundColor = 'rgb(128, 129, 130)';
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chart.data.datasets[0].pointBorderColor = 'rgb(56, 57, 58)';
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chart.data.datasets[0].pointBorderWidth = 1.123;
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meta.controller.update();
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expect(meta.dataset._model).toEqual(jasmine.objectContaining({
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backgroundColor: 'rgb(98, 98, 98)',
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borderCapStyle: 'butt',
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borderColor: 'rgb(8, 8, 8)',
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borderDash: [2, 3],
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borderDashOffset: 7,
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borderJoinStyle: 'miter',
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borderWidth: 0.55,
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fill: false,
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tension: 0,
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}));
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// Since tension is now 0, we don't care about the control points
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[
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{x: 256, y: 117},
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{x: 464, y: 256},
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{x: 256, y: 256},
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{x: 200, y: 256},
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].forEach(function(expected, i) {
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expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
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expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
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expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
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backgroundColor: 'rgb(128, 129, 130)',
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borderWidth: 1.123,
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borderColor: 'rgb(56, 57, 58)',
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hitRadius: 3.3,
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radius: 22,
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pointStyle: 'circle',
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skip: false,
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tension: 0,
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}));
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});
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// Use custom styles for lines & first point
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meta.dataset.custom = {
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tension: 0.25,
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backgroundColor: 'rgb(55, 55, 54)',
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borderColor: 'rgb(8, 7, 6)',
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borderWidth: 0.3,
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borderCapStyle: 'square',
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borderDash: [4, 3],
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borderDashOffset: 4.4,
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borderJoinStyle: 'round',
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fill: true,
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};
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// point styles
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meta.data[0].custom = {
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radius: 2.2,
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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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tension: 0.15,
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skip: true,
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hitRadius: 5,
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};
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meta.controller.update();
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expect(meta.dataset._model).toEqual(jasmine.objectContaining({
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backgroundColor: 'rgb(55, 55, 54)',
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borderCapStyle: 'square',
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borderColor: 'rgb(8, 7, 6)',
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borderDash: [4, 3],
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borderDashOffset: 4.4,
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borderJoinStyle: 'round',
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borderWidth: 0.3,
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fill: true,
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tension: 0.25,
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}));
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expect(meta.data[0]._model.x).toBeCloseToPixel(256);
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expect(meta.data[0]._model.y).toBeCloseToPixel(117);
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expect(meta.data[0]._model.controlPointPreviousX).toBeCloseToPixel(241);
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expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(117);
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expect(meta.data[0]._model.controlPointNextX).toBeCloseToPixel(281);
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expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(117);
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expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
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radius: 2.2,
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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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tension: 0.15,
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skip: true,
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hitRadius: 5,
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}));
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});
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it('should set point hover styles', function() {
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var chart = window.acquireChart({
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type: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['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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line: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderCapStyle: 'round',
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borderColor: 'rgb(0, 255, 0)',
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borderDash: [],
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borderDashOffset: 0.1,
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borderJoinStyle: 'bevel',
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borderWidth: 1.2,
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fill: true,
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skipNull: true,
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tension: 0.1,
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},
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point: {
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backgroundColor: 'rgb(255, 255, 0)',
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borderWidth: 1,
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borderColor: 'rgb(255, 255, 255)',
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hitRadius: 1,
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hoverRadius: 4,
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hoverBorderWidth: 1,
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radius: 3,
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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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meta.controller.update(); // reset first
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var point = meta.data[0];
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meta.controller.setHoverStyle(point);
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expect(point._model.backgroundColor).toBe('rgb(229, 230, 0)');
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expect(point._model.borderColor).toBe('rgb(230, 230, 230)');
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expect(point._model.borderWidth).toBe(1);
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expect(point._model.radius).toBe(4);
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// Can set hover style per dataset
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chart.data.datasets[0].pointHoverRadius = 3.3;
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chart.data.datasets[0].pointHoverBackgroundColor = 'rgb(77, 79, 81)';
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chart.data.datasets[0].pointHoverBorderColor = 'rgb(123, 125, 127)';
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chart.data.datasets[0].pointHoverBorderWidth = 2.1;
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meta.controller.setHoverStyle(point);
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expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
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expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
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expect(point._model.borderWidth).toBe(2.1);
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expect(point._model.radius).toBe(3.3);
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// Custom style
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point.custom = {
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hoverRadius: 4.4,
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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(point);
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expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
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expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
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expect(point._model.borderWidth).toBe(5.5);
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expect(point._model.radius).toBe(4.4);
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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: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4]
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}],
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labels: ['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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line: {
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backgroundColor: 'rgb(255, 0, 0)',
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borderCapStyle: 'round',
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borderColor: 'rgb(0, 255, 0)',
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borderDash: [],
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borderDashOffset: 0.1,
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borderJoinStyle: 'bevel',
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borderWidth: 1.2,
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fill: true,
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skipNull: true,
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tension: 0.1,
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},
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point: {
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backgroundColor: 'rgb(255, 255, 0)',
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borderWidth: 1,
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borderColor: 'rgb(255, 255, 255)',
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hitRadius: 1,
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hoverRadius: 4,
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hoverBorderWidth: 1,
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radius: 3,
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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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meta.controller.update(); // reset first
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var point = meta.data[0];
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chart.options.elements.point.backgroundColor = 'rgb(45, 46, 47)';
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chart.options.elements.point.borderColor = 'rgb(50, 51, 52)';
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chart.options.elements.point.borderWidth = 10.1;
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chart.options.elements.point.radius = 1.01;
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meta.controller.removeHoverStyle(point);
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chart.update();
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expect(point._model.backgroundColor).toBe('rgb(45, 46, 47)');
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expect(point._model.borderColor).toBe('rgb(50, 51, 52)');
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expect(point._model.borderWidth).toBe(10.1);
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expect(point._model.radius).toBe(1.01);
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// Can set hover style per dataset
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chart.data.datasets[0].pointRadius = 3.3;
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chart.data.datasets[0].pointBackgroundColor = 'rgb(77, 79, 81)';
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chart.data.datasets[0].pointBorderColor = 'rgb(123, 125, 127)';
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chart.data.datasets[0].pointBorderWidth = 2.1;
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meta.controller.removeHoverStyle(point);
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chart.update();
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expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
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expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
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expect(point._model.borderWidth).toBe(2.1);
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expect(point._model.radius).toBe(3.3);
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// Custom style
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point.custom = {
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radius: 4.4,
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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(point);
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chart.update();
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expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
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expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
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expect(point._model.borderWidth).toBe(5.5);
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expect(point._model.radius).toBe(4.4);
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});
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it('should allow pointBorderWidth to be set to 0', function() {
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var chart = window.acquireChart({
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type: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4],
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pointBorderWidth: 0
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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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var point = meta.data[0];
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expect(point._model.borderWidth).toBe(0);
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});
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it('should use the pointRadius setting over the radius setting', function() {
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var chart = window.acquireChart({
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type: 'radar',
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data: {
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datasets: [{
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data: [10, 15, 0, 4],
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pointRadius: 10,
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radius: 15,
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}, {
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data: [20, 20, 20, 20],
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radius: 20
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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 meta0 = chart.getDatasetMeta(0);
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var meta1 = chart.getDatasetMeta(1);
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expect(meta0.data[0]._model.radius).toBe(10);
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expect(meta1.data[0]._model.radius).toBe(20);
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});
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});
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