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2053 lines
41 KiB
2053 lines
41 KiB
9 years ago
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describe('Linear Scale', function() {
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it('Should register the constructor with the scale service', function() {
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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expect(Constructor).not.toBe(undefined);
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expect(typeof Constructor).toBe('function');
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});
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it('Should have the correct default config', function() {
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var defaultConfig = Chart.scaleService.getScaleDefaults('linear');
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expect(defaultConfig).toEqual({
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display: true,
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gridLines: {
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color: "rgba(0, 0, 0, 0.1)",
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drawOnChartArea: true,
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drawTicks: true, // draw ticks extending towards the label
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lineWidth: 1,
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offsetGridLines: false,
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display: true,
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zeroLineColor: "rgba(0,0,0,0.25)",
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zeroLineWidth: 1,
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},
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position: "left",
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scaleLabel: {
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labelString: '',
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display: false,
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},
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ticks: {
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beginAtZero: false,
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maxRotation: 50,
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mirror: false,
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padding: 10,
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reverse: false,
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display: true,
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callback: defaultConfig.ticks.callback, // make this work nicer, then check below
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autoSkip: true,
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autoSkipPadding: 0
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}
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});
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expect(defaultConfig.ticks.callback).toEqual(jasmine.any(Function));
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});
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it('Should correctly determine the max & min data values', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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yAxisID: scaleID,
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data: [10, 5, 0, -5, 78, -100]
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}, {
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yAxisID: 'second scale',
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data: [-1000, 1000],
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}, {
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yAxisID: scaleID,
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data: [150]
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}]
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};
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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var scale = new Constructor({
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ctx: {},
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options: Chart.scaleService.getScaleDefaults('linear'), // use default config for scale
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chart: {
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data: mockData
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},
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id: scaleID
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});
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expect(scale).not.toEqual(undefined); // must construct
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expect(scale.min).toBe(undefined); // not yet set
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expect(scale.max).toBe(undefined);
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// Set arbitrary width and height for now
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scale.width = 50;
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scale.height = 400;
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scale.determineDataLimits();
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expect(scale.min).toBe(-100);
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expect(scale.max).toBe(150);
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});
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it('Should correctly determine the max & min of string data values', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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yAxisID: scaleID,
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data: ['10', '5', '0', '-5', '78', '-100']
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}, {
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yAxisID: 'second scale',
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data: ['-1000', '1000'],
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}, {
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yAxisID: scaleID,
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data: ['150']
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}]
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};
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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var scale = new Constructor({
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ctx: {},
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options: Chart.scaleService.getScaleDefaults('linear'), // use default config for scale
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chart: {
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data: mockData
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},
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id: scaleID
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});
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expect(scale).not.toEqual(undefined); // must construct
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expect(scale.min).toBe(undefined); // not yet set
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expect(scale.max).toBe(undefined);
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// Set arbitrary width and height for now
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scale.width = 50;
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scale.height = 400;
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scale.determineDataLimits();
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expect(scale.min).toBe(-100);
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expect(scale.max).toBe(150);
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});
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it('Should correctly determine the max & min data values ignoring hidden datasets', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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yAxisID: scaleID,
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data: [10, 5, 0, -5, 78, -100]
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}, {
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yAxisID: 'second scale',
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data: [-1000, 1000],
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}, {
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yAxisID: scaleID,
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data: [150],
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hidden: true
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}]
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};
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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var scale = new Constructor({
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ctx: {},
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options: Chart.scaleService.getScaleDefaults('linear'), // use default config for scale
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chart: {
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data: mockData
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},
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id: scaleID
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});
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expect(scale).not.toEqual(undefined); // must construct
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expect(scale.min).toBe(undefined); // not yet set
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expect(scale.max).toBe(undefined);
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// Set arbitrary width and height for now
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scale.width = 50;
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scale.height = 400;
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scale.determineDataLimits();
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scale.buildTicks();
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expect(scale.min).toBe(-100);
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expect(scale.max).toBe(80);
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});
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it('Should correctly determine the max & min data values ignoring data that is NaN', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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yAxisID: scaleID,
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data: [null, 90, NaN, undefined, 45, 30]
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}]
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};
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var options = Chart.scaleService.getScaleDefaults('linear');
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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var scale = new Constructor({
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ctx: {},
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options: options, // use default config for scale
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chart: {
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data: mockData
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},
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id: scaleID
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});
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expect(scale).not.toEqual(undefined); // must construct
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expect(scale.min).toBe(undefined); // not yet set
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expect(scale.max).toBe(undefined);
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// Set arbitrary width and height for now
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scale.width = 50;
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scale.height = 400;
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scale.determineDataLimits();
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scale.buildTicks();
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expect(scale.min).toBe(30);
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expect(scale.max).toBe(90);
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// Scale is now stacked
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options.stacked = true;
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scale.determineDataLimits();
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expect(scale.min).toBe(0);
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expect(scale.max).toBe(90);
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});
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it('Should correctly determine the max & min for scatter data', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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xAxisID: scaleID, // for the horizontal scale
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yAxisID: scaleID,
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data: [{
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x: 10,
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y: 100
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}, {
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x: -10,
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y: 0
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}, {
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x: 0,
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y: 0
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}, {
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x: 99,
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y: 7
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}]
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}]
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};
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var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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var verticalScale = new Constructor({
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ctx: {},
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options: config,
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chart: {
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data: mockData
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},
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id: scaleID
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});
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// Set arbitrary width and height for now
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verticalScale.width = 50;
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verticalScale.height = 400;
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verticalScale.determineDataLimits();
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verticalScale.buildTicks();
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expect(verticalScale.min).toBe(0);
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expect(verticalScale.max).toBe(100);
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var horizontalConfig = Chart.helpers.clone(config);
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horizontalConfig.position = 'bottom';
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var horizontalScale = new Constructor({
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ctx: {},
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options: horizontalConfig,
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chart: {
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data: mockData
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},
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id: scaleID,
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});
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// Set arbitrary width and height for now
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horizontalScale.width = 400;
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horizontalScale.height = 50;
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horizontalScale.determineDataLimits();
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horizontalScale.buildTicks();
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expect(horizontalScale.min).toBe(-20);
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expect(horizontalScale.max).toBe(100);
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});
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it('Should correctly get the label for the given index', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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xAxisID: scaleID, // for the horizontal scale
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yAxisID: scaleID,
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data: [{
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x: 10,
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y: 100
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}, {
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x: -10,
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y: 0
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}, {
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x: 0,
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y: 0
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}, {
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x: 99,
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y: 7
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}]
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}]
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};
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var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
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||
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var scale = new Constructor({
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||
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ctx: {},
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options: config,
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chart: {
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||
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data: mockData
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},
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id: scaleID
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});
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||
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// Set arbitrary width and height for now
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||
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scale.width = 50;
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||
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scale.height = 400;
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scale.determineDataLimits();
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scale.buildTicks();
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expect(scale.getLabelForIndex(3, 0)).toBe(7)
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});
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it('Should correctly determine the min and max data values when stacked mode is turned on', function() {
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var scaleID = 'myScale';
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var mockData = {
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datasets: [{
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yAxisID: scaleID,
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data: [10, 5, 0, -5, 78, -100],
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type: 'bar'
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}, {
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yAxisID: 'second scale',
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data: [-1000, 1000],
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}, {
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yAxisID: scaleID,
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data: [150, 0, 0, -100, -10, 9],
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type: 'bar'
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}, {
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yAxisID: scaleID,
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data: [10, 10, 10, 10, 10, 10],
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type: 'line'
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}]
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};
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var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
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config.stacked = true; // enable scale stacked mode
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
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var scale = new Constructor({
|
||
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ctx: {},
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options: config,
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chart: {
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||
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data: mockData
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},
|
||
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id: scaleID
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});
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||
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// Set arbitrary width and height for now
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||
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scale.width = 50;
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||
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scale.height = 400;
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scale.determineDataLimits();
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scale.buildTicks();
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expect(scale.min).toBe(-150);
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expect(scale.max).toBe(200);
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});
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it('Should correctly determine the min and max data values when stacked mode is turned on and there are hidden datasets', function() {
|
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var scaleID = 'myScale';
|
||
|
|
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var mockData = {
|
||
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datasets: [{
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||
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yAxisID: scaleID,
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data: [10, 5, 0, -5, 78, -100]
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}, {
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||
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yAxisID: 'second scale',
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data: [-1000, 1000],
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}, {
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yAxisID: scaleID,
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data: [150, 0, 0, -100, -10, 9]
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}, {
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yAxisID: scaleID,
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data: [10, 20, 30, 40, 50, 60],
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hidden: true
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}]
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};
|
||
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var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
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||
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config.stacked = true; // enable scale stacked mode
|
||
|
|
||
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var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
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var scale = new Constructor({
|
||
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ctx: {},
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||
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options: config,
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||
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chart: {
|
||
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data: mockData
|
||
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},
|
||
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id: scaleID
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||
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});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
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scale.determineDataLimits();
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||
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scale.buildTicks();
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expect(scale.min).toBe(-150);
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expect(scale.max).toBe(200);
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||
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});
|
||
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|
||
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it('Should correctly determine the min and max data values when stacked mode is turned on there are multiple types of datasets', function() {
|
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var scaleID = 'myScale';
|
||
|
|
||
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var mockData = {
|
||
|
datasets: [{
|
||
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type: 'bar',
|
||
|
yAxisID: scaleID,
|
||
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data: [10, 5, 0, -5, 78, -100]
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||
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}, {
|
||
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type: 'line',
|
||
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yAxisID: scaleID,
|
||
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data: [10, 10, 10, 10, 10, 10],
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}, {
|
||
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type: 'bar',
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||
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yAxisID: scaleID,
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||
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data: [150, 0, 0, -100, -10, 9]
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||
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}]
|
||
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};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.stacked = true; // enable scale stacked mode
|
||
|
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
expect(scale.min).toBe(-105);
|
||
|
expect(scale.max).toBe(160);
|
||
|
});
|
||
|
|
||
|
it('Should ensure that the scale has a max and min that are not equal', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: []
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.min).toBe(-1);
|
||
|
expect(scale.max).toBe(1);
|
||
|
});
|
||
|
|
||
|
it('Should use the suggestedMin and suggestedMax options', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [1, 1, 1, 2, 1, 0]
|
||
|
}]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.ticks.suggestedMin = -10;
|
||
|
config.ticks.suggestedMax = 10;
|
||
|
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.min).toBe(-10);
|
||
|
expect(scale.max).toBe(10);
|
||
|
});
|
||
|
|
||
|
it('Should use the min and max options', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [1, 1, 1, 2, 1, 0]
|
||
|
}]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.ticks.min = -1010;
|
||
|
config.ticks.max = 1010;
|
||
|
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.min).toBe(-1010);
|
||
|
expect(scale.max).toBe(1010);
|
||
|
expect(scale.ticks[0]).toBe(1010);
|
||
|
expect(scale.ticks[scale.ticks.length - 1]).toBe(-1010);
|
||
|
});
|
||
|
|
||
|
it('should forcibly include 0 in the range if the beginAtZero option is used', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [20, 30, 40, 50]
|
||
|
}]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
|
||
|
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.ticks).toEqual([50, 45, 40, 35, 30, 25, 20]);
|
||
|
|
||
|
config.ticks.beginAtZero = true;
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.ticks).toEqual([50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0]);
|
||
|
|
||
|
mockData.datasets[0].data = [-20, -30, -40, -50];
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.ticks).toEqual([0, -5, -10, -15, -20, -25, -30, -35, -40, -45, -50]);
|
||
|
|
||
|
config.ticks.beginAtZero = false;
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
expect(scale.ticks).toEqual([-20, -25, -30, -35, -40, -45, -50]);
|
||
|
});
|
||
|
|
||
|
it('Should generate tick marks', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [10, 5, 0, 25, 78]
|
||
|
}, ]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
|
||
|
// Counts down because the lines are drawn top to bottom
|
||
|
expect(scale.ticks).toEqual([80, 70, 60, 50, 40, 30, 20, 10, 0]);
|
||
|
expect(scale.start).toBe(0);
|
||
|
expect(scale.end).toBe(80);
|
||
|
});
|
||
|
|
||
|
it('Should generate tick marks in the correct order in reversed mode', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [10, 5, 0, 25, 78]
|
||
|
}, ]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.ticks.reverse = true;
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: {},
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.width = 50;
|
||
|
scale.height = 400;
|
||
|
|
||
|
scale.determineDataLimits();
|
||
|
scale.buildTicks();
|
||
|
|
||
|
// Reverse mode makes this count up
|
||
|
expect(scale.ticks).toEqual([0, 10, 20, 30, 40, 50, 60, 70, 80]);
|
||
|
expect(scale.start).toBe(80);
|
||
|
expect(scale.end).toBe(0);
|
||
|
});
|
||
|
|
||
|
it('Should build labels using the default template', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [10, 5, 0, 25, 78]
|
||
|
}, ]
|
||
|
};
|
||
|
|
||
|
var mockContext = window.createMockContext();
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.update(50, 400);
|
||
|
expect(scale.ticks).toEqual(['80', '70', '60', '50', '40', '30', '20', '10', '0']);
|
||
|
});
|
||
|
|
||
|
it('should use the correct number of decimal places in the default format function', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [0.06, 0.005, 0, 0.025, 0.0078]
|
||
|
}, ]
|
||
|
};
|
||
|
|
||
|
var mockContext = window.createMockContext();
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Set arbitrary width and height for now
|
||
|
scale.update(50, 400);
|
||
|
expect(scale.ticks).toEqual(['0.06', '0.05', '0.04', '0.03', '0.02', '0.01', '0']);
|
||
|
});
|
||
|
|
||
|
it('Should build labels using the user supplied callback', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
yAxisID: scaleID,
|
||
|
data: [10, 5, 0, 25, 78]
|
||
|
}, ]
|
||
|
};
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.ticks.callback = function(value, index) {
|
||
|
return index.toString();
|
||
|
};
|
||
|
|
||
|
var mockContext = window.createMockContext();
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var scale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
scale.update(400, 400);
|
||
|
|
||
|
// Just the index
|
||
|
expect(scale.ticks).toEqual(['0', '1', '2', '3', '4', '5', '6', '7', '8']);
|
||
|
});
|
||
|
|
||
|
it('Should get the correct pixel value for a point', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: []
|
||
|
}]
|
||
|
};
|
||
|
|
||
|
var mockContext = window.createMockContext();
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var verticalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
// Update
|
||
|
verticalScale.update(50, 100);
|
||
|
|
||
|
// Fake out positioning of the scale service
|
||
|
verticalScale.left = 0;
|
||
|
verticalScale.top = 0;
|
||
|
verticalScale.right = 50;
|
||
|
verticalScale.bottom = 110;
|
||
|
verticalScale.paddingTop = 5;
|
||
|
verticalScale.paddingBottom = 5;
|
||
|
verticalScale.width = 50;
|
||
|
verticalScale.height = 110;
|
||
|
|
||
|
expect(verticalScale.getPixelForValue(1, 0, 0)).toBe(5); // top + paddingTop
|
||
|
expect(verticalScale.getPixelForValue(-1, 0, 0)).toBe(105); // bottom - paddingBottom
|
||
|
expect(verticalScale.getPixelForValue(0, 0, 0)).toBe(55); // halfway
|
||
|
|
||
|
var horizontalConfig = Chart.helpers.clone(config);
|
||
|
horizontalConfig.position = 'bottom';
|
||
|
var horizontalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: horizontalConfig,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID,
|
||
|
});
|
||
|
|
||
|
horizontalScale.update(100, 50);
|
||
|
|
||
|
// Fake out positioning of the scale service
|
||
|
horizontalScale.left = 0;
|
||
|
horizontalScale.top = 0;
|
||
|
horizontalScale.right = 110;
|
||
|
horizontalScale.bottom = 50;
|
||
|
horizontalScale.paddingLeft = 5;
|
||
|
horizontalScale.paddingRight = 5;
|
||
|
horizontalScale.width = 110;
|
||
|
horizontalScale.height = 50;
|
||
|
|
||
|
// Range expands to [-2, 2] due to nicenum algorithm
|
||
|
expect(horizontalScale.getPixelForValue(2, 0, 0)).toBe(105); // right - paddingRight
|
||
|
expect(horizontalScale.getPixelForValue(-2, 0, 0)).toBe(5); // left + paddingLeft
|
||
|
expect(horizontalScale.getPixelForValue(0, 0, 0)).toBe(55); // halfway
|
||
|
});
|
||
|
|
||
|
it('should fit correctly', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: [-5, 0, 2, -3, 5]
|
||
|
}]
|
||
|
};
|
||
|
var mockContext = window.createMockContext();
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var verticalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
var minSize = verticalScale.update(100, 300);
|
||
|
expect(minSize).toEqual({
|
||
|
width: 40,
|
||
|
height: 300,
|
||
|
});
|
||
|
expect(verticalScale.width).toBe(40);
|
||
|
expect(verticalScale.height).toBe(300);
|
||
|
expect(verticalScale.paddingTop).toBe(6);
|
||
|
expect(verticalScale.paddingBottom).toBe(6);
|
||
|
expect(verticalScale.paddingLeft).toBe(0);
|
||
|
expect(verticalScale.paddingRight).toBe(0);
|
||
|
|
||
|
// Refit with margins to see the padding go away
|
||
|
minSize = verticalScale.update(30, 300, {
|
||
|
left: 0,
|
||
|
right: 0,
|
||
|
top: 15,
|
||
|
bottom: 3
|
||
|
});
|
||
|
expect(minSize).toEqual({
|
||
|
width: 30,
|
||
|
height: 300,
|
||
|
});
|
||
|
expect(verticalScale.paddingTop).toBe(0);
|
||
|
expect(verticalScale.paddingBottom).toBe(3);
|
||
|
expect(verticalScale.paddingLeft).toBe(0);
|
||
|
expect(verticalScale.paddingRight).toBe(0);
|
||
|
|
||
|
// Extra size when scale label showing
|
||
|
config.scaleLabel.display = true;
|
||
|
minSize = verticalScale.update(100, 300);
|
||
|
expect(minSize).toEqual({
|
||
|
width: 58,
|
||
|
height: 300,
|
||
|
});
|
||
|
});
|
||
|
|
||
|
it('should fit correctly when horizontal', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: [-5, 0, 2, -3, 5]
|
||
|
}]
|
||
|
};
|
||
|
var mockContext = window.createMockContext();
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.position = "bottom";
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var horizontalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
var minSize = horizontalScale.update(200, 300);
|
||
|
expect(minSize).toEqual({
|
||
|
width: 200,
|
||
|
height: 28,
|
||
|
});
|
||
|
expect(horizontalScale.width).toBe(200);
|
||
|
expect(horizontalScale.height).toBe(28);
|
||
|
expect(horizontalScale.paddingTop).toBe(0);
|
||
|
expect(horizontalScale.paddingBottom).toBe(0);
|
||
|
expect(horizontalScale.paddingLeft).toBe(13);
|
||
|
expect(horizontalScale.paddingRight).toBe(8);
|
||
|
expect(horizontalScale.labelRotation).toBe(0);
|
||
|
|
||
|
// Refit with margins to see the padding go away
|
||
|
minSize = horizontalScale.update(200, 28, {
|
||
|
left: 10,
|
||
|
right: 6,
|
||
|
top: 15,
|
||
|
bottom: 3
|
||
|
});
|
||
|
expect(minSize).toEqual({
|
||
|
width: 200,
|
||
|
height: 28,
|
||
|
});
|
||
|
expect(horizontalScale.paddingTop).toBe(0);
|
||
|
expect(horizontalScale.paddingBottom).toBe(0);
|
||
|
expect(horizontalScale.paddingLeft).toBe(3);
|
||
|
expect(horizontalScale.paddingRight).toBe(2);
|
||
|
|
||
|
// Extra size when scale label showing
|
||
|
config.scaleLabel.display = true;
|
||
|
minSize = horizontalScale.update(200, 300);
|
||
|
expect(minSize).toEqual({
|
||
|
width: 200,
|
||
|
height: 46,
|
||
|
});
|
||
|
});
|
||
|
|
||
|
it('Should draw correctly horizontally', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: [-5, 0, 2, -3, 5]
|
||
|
}]
|
||
|
};
|
||
|
var mockContext = window.createMockContext();
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.position = "bottom";
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var horizontalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
var minSize = horizontalScale.update(200, 300);
|
||
|
minSize = horizontalScale.update(200, 28, {
|
||
|
left: 10,
|
||
|
right: 6,
|
||
|
top: 15,
|
||
|
bottom: 3
|
||
|
});
|
||
|
|
||
|
horizontalScale.left = 0;
|
||
|
horizontalScale.right = minSize.width;
|
||
|
horizontalScale.top = 100;
|
||
|
horizontalScale.bottom = 100 + minSize.height;
|
||
|
|
||
|
var chartArea = {
|
||
|
top: 0,
|
||
|
bottom: 100,
|
||
|
left: 0,
|
||
|
right: minSize.width
|
||
|
};
|
||
|
mockContext.resetCalls();
|
||
|
horizontalScale.draw(chartArea);
|
||
|
|
||
|
var expected = [{
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [3.5, 100]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [3.5, 110]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [3.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [3.5, 100]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [3, 110]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-5", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0,0,0,0.25)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [101.5, 100]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [101.5, 110]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [101.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [101.5, 100]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [101, 110]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["0", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [198.5, 100]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [198.5, 110]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [198.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [198.5, 100]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [198, 110]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["5", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [0, 100.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [200, 100.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}];
|
||
|
expect(mockContext.getCalls()).toEqual(expected);
|
||
|
|
||
|
// Turn off some drawing
|
||
|
config.gridLines.drawTicks = false;
|
||
|
config.gridLines.drawOnChartArea = false;
|
||
|
config.ticks.display = false;
|
||
|
config.scaleLabel.display = true;
|
||
|
config.scaleLabel.labelString = 'myLabel';
|
||
|
|
||
|
mockContext.resetCalls();
|
||
|
|
||
|
horizontalScale.draw();
|
||
|
expect(mockContext.getCalls()).toEqual([{
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0,0,0,0.25)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["myLabel", 100, 122]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [0, 100.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [200, 100.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}]);
|
||
|
|
||
|
// Turn off display
|
||
|
|
||
|
mockContext.resetCalls();
|
||
|
config.display = false;
|
||
|
horizontalScale.draw();
|
||
|
expect(mockContext.getCalls()).toEqual([]);
|
||
|
});
|
||
|
|
||
|
it('Should draw correctly vertically', function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: [-5, 0, 2, -3, 5]
|
||
|
}]
|
||
|
};
|
||
|
var mockContext = window.createMockContext();
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var verticalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
var minSize = verticalScale.update(100, 300);
|
||
|
minSize = verticalScale.update(30, 300, {
|
||
|
left: 0,
|
||
|
right: 0,
|
||
|
top: 15,
|
||
|
bottom: 3
|
||
|
});
|
||
|
expect(minSize).toEqual({
|
||
|
width: 30,
|
||
|
height: 300,
|
||
|
});
|
||
|
|
||
|
verticalScale.left = 0;
|
||
|
verticalScale.right = minSize.width;
|
||
|
verticalScale.top = 0;
|
||
|
verticalScale.bottom = minSize.height;
|
||
|
|
||
|
var chartArea = {
|
||
|
top: 0,
|
||
|
bottom: minSize.height,
|
||
|
left: minSize.width,
|
||
|
right: minSize.width + 100
|
||
|
};
|
||
|
|
||
|
mockContext.resetCalls();
|
||
|
verticalScale.draw(chartArea);
|
||
|
|
||
|
expect(mockContext.getCalls()).toEqual([{
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 0.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 0.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 0.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 0.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 0]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["5", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 30.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 30.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 30.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 30.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 30]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["4", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 59.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 59.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 59.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 59.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 59]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["3", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 89.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 89.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 89.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 89.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 89]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["2", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 119.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 119.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 119.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 119.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 119]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["1", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0,0,0,0.25)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 149.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 149.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 149.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 149.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 149]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["0", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 178.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 178.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 178.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 178.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 178]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-1", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 208.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 208.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 208.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 208.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 208]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-2", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 238.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 238.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 238.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 238.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 238]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-3", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 267.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 267.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 267.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 267.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 267]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-4", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 297.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 297.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 297.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 297.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 297]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-5", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30.5, 300]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}]);
|
||
|
|
||
|
// Turn off some drawing
|
||
|
config.gridLines.drawTicks = false;
|
||
|
config.gridLines.drawOnChartArea = false;
|
||
|
config.ticks.display = false;
|
||
|
config.scaleLabel.display = true;
|
||
|
|
||
|
mockContext.resetCalls();
|
||
|
|
||
|
verticalScale.draw();
|
||
|
expect(mockContext.getCalls()).toEqual([{
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0,0,0,0.25)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [6, 150]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-1.5707963267948966]
|
||
|
}, {
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30.5, 300]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}]);
|
||
|
});
|
||
|
|
||
|
it("should not draw lines where the callback function returned null or undefined", function() {
|
||
|
var scaleID = 'myScale';
|
||
|
|
||
|
var mockData = {
|
||
|
datasets: [{
|
||
|
xAxisID: scaleID, // for the horizontal scale
|
||
|
yAxisID: scaleID,
|
||
|
data: [-5, 0, 2, -3, 5]
|
||
|
}]
|
||
|
};
|
||
|
var mockContext = window.createMockContext();
|
||
|
|
||
|
var config = Chart.helpers.clone(Chart.scaleService.getScaleDefaults('linear'));
|
||
|
config.ticks.callback = function(tickValue, index) {
|
||
|
return index % 2 === 0 ? null : tickValue.toString();
|
||
|
};
|
||
|
var Constructor = Chart.scaleService.getScaleConstructor('linear');
|
||
|
var verticalScale = new Constructor({
|
||
|
ctx: mockContext,
|
||
|
options: config,
|
||
|
chart: {
|
||
|
data: mockData
|
||
|
},
|
||
|
id: scaleID
|
||
|
});
|
||
|
|
||
|
var minSize = verticalScale.update(100, 300);
|
||
|
minSize = verticalScale.update(30, 300, {
|
||
|
left: 0,
|
||
|
right: 0,
|
||
|
top: 15,
|
||
|
bottom: 3
|
||
|
});
|
||
|
expect(minSize).toEqual({
|
||
|
width: 30,
|
||
|
height: 300,
|
||
|
});
|
||
|
|
||
|
verticalScale.left = 0;
|
||
|
verticalScale.right = minSize.width;
|
||
|
verticalScale.top = 0;
|
||
|
verticalScale.bottom = minSize.height;
|
||
|
|
||
|
var chartArea = {
|
||
|
top: 0,
|
||
|
bottom: minSize.height,
|
||
|
left: minSize.width,
|
||
|
right: minSize.width + 100
|
||
|
};
|
||
|
|
||
|
mockContext.resetCalls();
|
||
|
verticalScale.draw(chartArea);
|
||
|
|
||
|
expect(mockContext.getCalls()).toEqual([{
|
||
|
"name": "setFillStyle",
|
||
|
"args": ["#666"]
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 30.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 30.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 30.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 30.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 30]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["4", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 89.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 89.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 89.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 89.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 89]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["2", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0,0,0,0.25)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 149.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 149.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 149.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 149.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 149]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["0", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 208.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 208.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 208.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 208.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 208]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-2", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [25, 267.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30, 267.5]
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30, 267.5]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [130, 267.5]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "save",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "translate",
|
||
|
"args": [20, 267]
|
||
|
}, {
|
||
|
"name": "rotate",
|
||
|
"args": [-0]
|
||
|
}, {
|
||
|
"name": "fillText",
|
||
|
"args": ["-4", 0, 0]
|
||
|
}, {
|
||
|
"name": "restore",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "setLineWidth",
|
||
|
"args": [1]
|
||
|
}, {
|
||
|
"name": "setStrokeStyle",
|
||
|
"args": ["rgba(0, 0, 0, 0.1)"]
|
||
|
}, {
|
||
|
"name": "beginPath",
|
||
|
"args": []
|
||
|
}, {
|
||
|
"name": "moveTo",
|
||
|
"args": [30.5, 0]
|
||
|
}, {
|
||
|
"name": "lineTo",
|
||
|
"args": [30.5, 300]
|
||
|
}, {
|
||
|
"name": "stroke",
|
||
|
"args": []
|
||
|
}])
|
||
|
});
|
||
|
});
|