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814 lines
19 KiB
JavaScript
814 lines
19 KiB
JavaScript
// Test the bar controller
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describe('Line controller tests', function() {
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it('Should be constructed', function() {
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var chart = {
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data: {
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datasets: [{
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xAxisID: 'myXAxis',
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yAxisID: 'myYAxis',
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data: []
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}]
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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expect(controller).not.toBe(undefined);
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expect(controller.index).toBe(0);
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expect(chart.data.datasets[0].metaData).toEqual([]);
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controller.updateIndex(1);
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expect(controller.index).toBe(1);
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});
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it('Should use the first scale IDs if the dataset does not specify them', function() {
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var chart = {
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data: {
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datasets: [{
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data: []
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}]
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},
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options: {
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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expect(chart.data.datasets[0].xAxisID).toBe('firstXScaleID');
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expect(chart.data.datasets[0].yAxisID).toBe('firstYScaleID');
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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 = {
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data: {
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datasets: [{
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data: [10, 15, 0, -4]
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}]
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},
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config: {
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type: 'line'
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},
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options: {
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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expect(chart.data.datasets[0].metaData.length).toBe(4); // 4 points created
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expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
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expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
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expect(chart.data.datasets[0].metaData[2] instanceof Chart.elements.Point).toBe(true);
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expect(chart.data.datasets[0].metaData[3] instanceof Chart.elements.Point).toBe(true);
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expect(chart.data.datasets[0].metaDataset instanceof Chart.elements.Line).toBe(true); // 1 line element
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});
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it('should remove elements', function() {
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var chart = {
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data: {
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datasets: [{
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data: [10, 15, 0, -4]
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}]
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},
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config: {
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type: 'line'
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},
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options: {
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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controller.removeElement(0);
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expect(chart.data.datasets[0].metaData.length).toBe(3);
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});
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it ('should draw all elements', function() {
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var chart = {
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data: {
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datasets: [{
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data: [10, 15, 0, -4]
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}]
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},
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config: {
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type: 'line'
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},
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options: {
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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spyOn(chart.data.datasets[0].metaDataset, 'draw');
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spyOn(chart.data.datasets[0].metaData[0], 'draw');
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spyOn(chart.data.datasets[0].metaData[1], 'draw');
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spyOn(chart.data.datasets[0].metaData[2], 'draw');
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spyOn(chart.data.datasets[0].metaData[3], 'draw');
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controller.draw();
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expect(chart.data.datasets[0].metaDataset.draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[0].draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[2].draw.calls.count()).toBe(1);
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expect(chart.data.datasets[0].metaData[3].draw.calls.count()).toBe(1);
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});
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it ('should update elements', function() {
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var chart = {
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chartArea: {
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bottom: 100,
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left: 0,
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right: 200,
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top: 0
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},
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data: {
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datasets: [{
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data: [10, 15, 0, -4]
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}]
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},
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config: {
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type: 'line'
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},
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options: {
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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: 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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}
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},
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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},
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scales: {
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firstXScaleID: {
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getPointPixelForValue: function(value, index) {
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return index * 3;
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}
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},
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firstYScaleID: {
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calculateBarBase: function(datasetIndex, index) {
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return this.getPixelForValue(0);
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},
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getPointPixelForValue: function(value, datasetIndex, index) {
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return this.getPixelForValue(value);
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},
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getPixelForValue: function(value) {
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return value * 2;
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},
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max: 10,
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min: -10,
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}
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}
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};
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var controller = new Chart.controllers.line(chart, 0);
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controller.update();
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// Line element
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expect(chart.data.datasets[0].metaDataset._model).toEqual({
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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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drawNull: undefined,
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skipNull: true,
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tension: 0.1,
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scaleTop: undefined,
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scaleBottom: undefined,
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scaleZero: 0,
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});
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expect(chart.data.datasets[0].metaData[0]._model).toEqual({
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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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skip: false,
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tension: 0.1,
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// Point
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x: 0,
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y: 20,
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// Control points
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controlPointPreviousX: 0,
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controlPointPreviousY: 20,
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controlPointNextX: 0.30000000000000004,
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controlPointNextY: 21,
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});
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expect(chart.data.datasets[0].metaData[1]._model).toEqual({
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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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skip: false,
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tension: 0.1,
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// Point
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x: 3,
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y: 30,
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// Control points
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controlPointPreviousX: 2.845671490812908,
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controlPointPreviousY: 30.514428363956974,
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controlPointNextX: 3.4456714908129076,
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controlPointNextY: 28.514428363956974,
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});
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expect(chart.data.datasets[0].metaData[2]._model).toEqual({
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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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skip: false,
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tension: 0.1,
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// Point
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x: 6,
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y: 0,
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// Control points
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controlPointPreviousX: 5.532486979550596,
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controlPointPreviousY: 2.9609157961795605,
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controlPointNextX: 6.132486979550595,
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controlPointNextY: 0,
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});
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expect(chart.data.datasets[0].metaData[3]._model).toEqual({
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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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skip: false,
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tension: 0.1,
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// Point
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x: 9,
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y: -8,
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// Control points
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controlPointPreviousX: 8.7,
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controlPointPreviousY: 0,
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controlPointNextX: 9,
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controlPointNextY: 0,
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});
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// Use dataset level styles for lines & points
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chart.data.datasets[0].tension = 0.2;
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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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chart.data.datasets[0].skipNull = false;
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chart.data.datasets[0].drawNull = true;
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// point styles
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chart.data.datasets[0].radius = 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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controller.update();
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expect(chart.data.datasets[0].metaDataset._model).toEqual({
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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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drawNull: true,
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skipNull: false,
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tension: 0.2,
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scaleTop: undefined,
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scaleBottom: undefined,
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scaleZero: 0,
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});
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expect(chart.data.datasets[0].metaData[0]._model).toEqual({
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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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skip: false,
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tension: 0.2,
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// Point
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x: 0,
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y: 20,
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// Control points
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controlPointPreviousX: 0,
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controlPointPreviousY: 20,
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controlPointNextX: 0.6000000000000001,
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controlPointNextY: 22,
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});
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expect(chart.data.datasets[0].metaData[1]._model).toEqual({
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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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skip: false,
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tension: 0.2,
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// Point
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x: 3,
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y: 30,
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// Control points
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controlPointPreviousX: 2.6913429816258154,
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controlPointPreviousY: 31.028856727913947,
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controlPointNextX: 3.891342981625815,
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controlPointNextY: 27.028856727913947,
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});
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expect(chart.data.datasets[0].metaData[2]._model).toEqual({
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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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skip: false,
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tension: 0.2,
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// Point
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x: 6,
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y: 0,
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// Control points
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controlPointPreviousX: 5.0649739591011915,
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controlPointPreviousY: 5.921831592359121,
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controlPointNextX: 6.264973959101192,
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controlPointNextY: 0,
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});
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expect(chart.data.datasets[0].metaData[3]._model).toEqual({
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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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skip: false,
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tension: 0.2,
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// Point
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x: 9,
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y: -8,
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// Control points
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controlPointPreviousX: 8.4,
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controlPointPreviousY: 0,
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controlPointNextX: 9,
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controlPointNextY: 0,
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});
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// Use custom styles for lines & first point
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chart.data.datasets[0].metaDataset.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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skipNull: true,
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drawNull: false,
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};
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// point styles
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chart.data.datasets[0].metaData[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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controller.update();
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expect(chart.data.datasets[0].metaDataset._model).toEqual({
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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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drawNull: true,
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skipNull: false,
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tension: 0.25,
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scaleTop: undefined,
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scaleBottom: undefined,
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scaleZero: 0,
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});
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expect(chart.data.datasets[0].metaData[0]._model).toEqual({
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backgroundColor: 'rgb(0, 1, 3)',
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borderWidth: 0.787,
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borderColor: 'rgb(4, 6, 8)',
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hitRadius: 5,
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radius: 2.2,
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skip: true,
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tension: 0.15,
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// Point
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x: 0,
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y: 20,
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// Control points
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controlPointPreviousX: 0,
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controlPointPreviousY: 20,
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controlPointNextX: 0.44999999999999996,
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controlPointNextY: 21.5,
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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 = {
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chartArea: {
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bottom: 100,
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left: 0,
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right: 200,
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top: 0
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},
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data: {
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datasets: [{
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data: [10, 15, 0, -4]
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}]
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},
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config: {
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type: 'line'
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},
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options: {
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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: 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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}
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},
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scales: {
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xAxes: [{
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id: 'firstXScaleID'
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}],
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yAxes: [{
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id: 'firstYScaleID'
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}]
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}
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},
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scales: {
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firstXScaleID: {
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getPointPixelForValue: function(value, index) {
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return index * 3;
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}
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},
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firstYScaleID: {
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calculateBarBase: function(datasetIndex, index) {
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return this.getPixelForValue(0);
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},
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getPointPixelForValue: function(value, datasetIndex, index) {
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return this.getPixelForValue(value);
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},
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getPixelForValue: function(value) {
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return value * 2;
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},
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max: 10,
|
|
min: -10,
|
|
}
|
|
}
|
|
};
|
|
|
|
var controller = new Chart.controllers.line(chart, 0);
|
|
chart.data.datasets[0].data = [1, 2]; // remove 2 items
|
|
|
|
controller.update();
|
|
expect(chart.data.datasets[0].metaData.length).toBe(2);
|
|
expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
|
|
expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
|
|
|
|
chart.data.datasets[0].data = [1, 2, 3, 4, 5]; // add 3 items
|
|
|
|
controller.update();
|
|
expect(chart.data.datasets[0].metaData.length).toBe(5);
|
|
expect(chart.data.datasets[0].metaData[0] instanceof Chart.elements.Point).toBe(true);
|
|
expect(chart.data.datasets[0].metaData[1] instanceof Chart.elements.Point).toBe(true);
|
|
expect(chart.data.datasets[0].metaData[2] instanceof Chart.elements.Point).toBe(true);
|
|
expect(chart.data.datasets[0].metaData[3] instanceof Chart.elements.Point).toBe(true);
|
|
expect(chart.data.datasets[0].metaData[4] instanceof Chart.elements.Point).toBe(true);
|
|
});
|
|
|
|
it ('should set point hover styles', function() {
|
|
var chart = {
|
|
chartArea: {
|
|
bottom: 100,
|
|
left: 0,
|
|
right: 200,
|
|
top: 0
|
|
},
|
|
data: {
|
|
datasets: [{
|
|
data: [10, 15, 0, -4]
|
|
}]
|
|
},
|
|
config: {
|
|
type: 'line'
|
|
},
|
|
options: {
|
|
elements: {
|
|
line: {
|
|
backgroundColor: 'rgb(255, 0, 0)',
|
|
borderCapStyle: 'round',
|
|
borderColor: 'rgb(0, 255, 0)',
|
|
borderDash: [],
|
|
borderDashOffset: 0.1,
|
|
borderJoinStyle: 'bevel',
|
|
borderWidth: 1.2,
|
|
fill: true,
|
|
skipNull: true,
|
|
tension: 0.1,
|
|
},
|
|
point: {
|
|
backgroundColor: 'rgb(255, 255, 0)',
|
|
borderWidth: 1,
|
|
borderColor: 'rgb(255, 255, 255)',
|
|
hitRadius: 1,
|
|
hoverRadius: 4,
|
|
hoverBorderWidth: 1,
|
|
radius: 3,
|
|
}
|
|
},
|
|
scales: {
|
|
xAxes: [{
|
|
id: 'firstXScaleID'
|
|
}],
|
|
yAxes: [{
|
|
id: 'firstYScaleID'
|
|
}]
|
|
}
|
|
},
|
|
scales: {
|
|
firstXScaleID: {
|
|
getPointPixelForValue: function(value, index) {
|
|
return index * 3;
|
|
}
|
|
},
|
|
firstYScaleID: {
|
|
calculateBarBase: function(datasetIndex, index) {
|
|
return this.getPixelForValue(0);
|
|
},
|
|
getPointPixelForValue: function(value, datasetIndex, index) {
|
|
return this.getPixelForValue(value);
|
|
},
|
|
getPixelForValue: function(value) {
|
|
return value * 2;
|
|
},
|
|
max: 10,
|
|
min: -10,
|
|
}
|
|
}
|
|
};
|
|
|
|
var controller = new Chart.controllers.line(chart, 0);
|
|
controller.update();
|
|
var point = chart.data.datasets[0].metaData[0];
|
|
|
|
controller.setHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(229, 230, 0)');
|
|
expect(point._model.borderColor).toBe('rgb(230, 230, 230)');
|
|
expect(point._model.borderWidth).toBe(1);
|
|
expect(point._model.radius).toBe(4);
|
|
|
|
// Can set hover style per dataset
|
|
chart.data.datasets[0].pointHoverRadius = 3.3;
|
|
chart.data.datasets[0].pointHoverBackgroundColor = 'rgb(77, 79, 81)';
|
|
chart.data.datasets[0].pointHoverBorderColor = 'rgb(123, 125, 127)';
|
|
chart.data.datasets[0].pointHoverBorderWidth = 2.1;
|
|
|
|
controller.setHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
|
|
expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
|
|
expect(point._model.borderWidth).toBe(2.1);
|
|
expect(point._model.radius).toBe(3.3);
|
|
|
|
// Custom style
|
|
point.custom = {
|
|
hoverRadius: 4.4,
|
|
hoverBorderWidth: 5.5,
|
|
hoverBackgroundColor: 'rgb(0, 0, 0)',
|
|
hoverBorderColor: 'rgb(10, 10, 10)'
|
|
};
|
|
|
|
controller.setHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
|
|
expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
|
|
expect(point._model.borderWidth).toBe(5.5);
|
|
expect(point._model.radius).toBe(4.4);
|
|
});
|
|
|
|
it ('should remove hover styles', function() {
|
|
var chart = {
|
|
chartArea: {
|
|
bottom: 100,
|
|
left: 0,
|
|
right: 200,
|
|
top: 0
|
|
},
|
|
data: {
|
|
datasets: [{
|
|
data: [10, 15, 0, -4]
|
|
}]
|
|
},
|
|
config: {
|
|
type: 'line'
|
|
},
|
|
options: {
|
|
elements: {
|
|
line: {
|
|
backgroundColor: 'rgb(255, 0, 0)',
|
|
borderCapStyle: 'round',
|
|
borderColor: 'rgb(0, 255, 0)',
|
|
borderDash: [],
|
|
borderDashOffset: 0.1,
|
|
borderJoinStyle: 'bevel',
|
|
borderWidth: 1.2,
|
|
fill: true,
|
|
skipNull: true,
|
|
tension: 0.1,
|
|
},
|
|
point: {
|
|
backgroundColor: 'rgb(255, 255, 0)',
|
|
borderWidth: 1,
|
|
borderColor: 'rgb(255, 255, 255)',
|
|
hitRadius: 1,
|
|
hoverRadius: 4,
|
|
hoverBorderWidth: 1,
|
|
radius: 3,
|
|
}
|
|
},
|
|
scales: {
|
|
xAxes: [{
|
|
id: 'firstXScaleID'
|
|
}],
|
|
yAxes: [{
|
|
id: 'firstYScaleID'
|
|
}]
|
|
}
|
|
},
|
|
scales: {
|
|
firstXScaleID: {
|
|
getPointPixelForValue: function(value, index) {
|
|
return index * 3;
|
|
}
|
|
},
|
|
firstYScaleID: {
|
|
calculateBarBase: function(datasetIndex, index) {
|
|
return this.getPixelForValue(0);
|
|
},
|
|
getPointPixelForValue: function(value, datasetIndex, index) {
|
|
return this.getPixelForValue(value);
|
|
},
|
|
getPixelForValue: function(value) {
|
|
return value * 2;
|
|
},
|
|
max: 10,
|
|
min: -10,
|
|
}
|
|
}
|
|
};
|
|
|
|
var controller = new Chart.controllers.line(chart, 0);
|
|
controller.update();
|
|
var point = chart.data.datasets[0].metaData[0];
|
|
|
|
chart.options.elements.point.backgroundColor = 'rgb(45, 46, 47)';
|
|
chart.options.elements.point.borderColor = 'rgb(50, 51, 52)';
|
|
chart.options.elements.point.borderWidth = 10.1;
|
|
chart.options.elements.point.radius = 1.01;
|
|
|
|
controller.removeHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(45, 46, 47)');
|
|
expect(point._model.borderColor).toBe('rgb(50, 51, 52)');
|
|
expect(point._model.borderWidth).toBe(10.1);
|
|
expect(point._model.radius).toBe(1.01);
|
|
|
|
// Can set hover style per dataset
|
|
chart.data.datasets[0].radius = 3.3;
|
|
chart.data.datasets[0].pointBackgroundColor = 'rgb(77, 79, 81)';
|
|
chart.data.datasets[0].pointBorderColor = 'rgb(123, 125, 127)';
|
|
chart.data.datasets[0].pointBorderWidth = 2.1;
|
|
|
|
controller.removeHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
|
|
expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
|
|
expect(point._model.borderWidth).toBe(2.1);
|
|
expect(point._model.radius).toBe(3.3);
|
|
|
|
// Custom style
|
|
point.custom = {
|
|
radius: 4.4,
|
|
borderWidth: 5.5,
|
|
backgroundColor: 'rgb(0, 0, 0)',
|
|
borderColor: 'rgb(10, 10, 10)'
|
|
};
|
|
|
|
controller.removeHoverStyle(point);
|
|
expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
|
|
expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
|
|
expect(point._model.borderWidth).toBe(5.5);
|
|
expect(point._model.radius).toBe(4.4);
|
|
});
|
|
}); |