Chart.js/test/specs/global.deprecations.tests.js

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JavaScript

describe('Deprecations', function() {
describe('Version 2.8.0', function() {
[
['Bar', 'bar'],
['Bubble', 'bubble'],
['Doughnut', 'doughnut'],
['Line', 'line'],
['PolarArea', 'polarArea'],
['Radar', 'radar'],
['Scatter', 'scatter']
].forEach(function(descriptor) {
var klass = descriptor[0];
var type = descriptor[1];
describe('Chart.' + klass, function() {
it('should be defined as a function', function() {
expect(typeof Chart[klass]).toBe('function');
});
it('should create a chart of type "' + type + '"', function() {
var chart = new Chart[klass]('foo', {data: {}});
expect(chart instanceof Chart.Controller).toBeTruthy();
expect(chart.config.type).toBe(type);
});
});
});
describe('Chart.Chart', function() {
it('should be defined as an alias to Chart', function() {
expect(Chart.Chart).toBe(Chart);
});
});
describe('Chart.helpers.aliasPixel', function() {
it('should be defined as a function', function() {
expect(typeof Chart.helpers.aliasPixel).toBe('function');
});
});
describe('Chart.LinearScaleBase', function() {
it('should be defined and inherit from Chart.Scale', function() {
expect(typeof Chart.LinearScaleBase).toBe('function');
expect(Chart.LinearScaleBase.prototype instanceof Chart.Scale).toBeTruthy();
});
});
describe('Chart.types', function() {
it('should be defined as an empty object', function() {
expect(Chart.types).toEqual({});
});
});
describe('Chart.helpers.configMerge', function() {
it('should be defined as a function', function() {
expect(typeof Chart.helpers.configMerge).toBe('function');
});
});
describe('Chart.helpers.scaleMerge', function() {
it('should be defined as a function', function() {
expect(typeof Chart.helpers.scaleMerge).toBe('function');
});
});
});
describe('Version 2.7.3', function() {
describe('Chart.layoutService', function() {
it('should be defined and an alias of Chart.layouts', function() {
expect(Chart.layoutService).toBeDefined();
expect(Chart.layoutService).toBe(Chart.layouts);
});
});
});
describe('Version 2.7.0', function() {
describe('Chart.Controller.update(duration, lazy)', function() {
it('should add an animation with the provided options', function() {
var chart = acquireChart({
type: 'doughnut',
options: {
animation: {
easing: 'linear',
duration: 500
}
}
});
spyOn(Chart.animationService, 'addAnimation');
chart.update(800, false);
expect(Chart.animationService.addAnimation).toHaveBeenCalledWith(
chart,
jasmine.objectContaining({easing: 'linear'}),
800,
false
);
});
});
describe('Chart.Controller.render(duration, lazy)', function() {
it('should add an animation with the provided options', function() {
var chart = acquireChart({
type: 'doughnut',
options: {
animation: {
easing: 'linear',
duration: 500
}
}
});
spyOn(Chart.animationService, 'addAnimation');
chart.render(800, true);
expect(Chart.animationService.addAnimation).toHaveBeenCalledWith(
chart,
jasmine.objectContaining({easing: 'linear'}),
800,
true
);
});
});
describe('Chart.helpers.indexOf', function() {
it('should be defined and a function', function() {
expect(typeof Chart.helpers.indexOf).toBe('function');
});
it('should returns the correct index', function() {
expect(Chart.helpers.indexOf([1, 2, 42], 42)).toBe(2);
expect(Chart.helpers.indexOf([1, 2, 42], 3)).toBe(-1);
expect(Chart.helpers.indexOf([1, 42, 2, 42], 42, 2)).toBe(3);
expect(Chart.helpers.indexOf([1, 42, 2, 42], 3, 2)).toBe(-1);
});
});
describe('Chart.helpers.clear', function() {
it('should be defined and an alias of Chart.helpers.canvas.clear', function() {
expect(Chart.helpers.clear).toBeDefined();
expect(Chart.helpers.clear).toBe(Chart.helpers.canvas.clear);
});
});
describe('Chart.helpers.getValueOrDefault', function() {
it('should be defined and an alias of Chart.helpers.valueOrDefault', function() {
expect(Chart.helpers.getValueOrDefault).toBeDefined();
expect(Chart.helpers.getValueOrDefault).toBe(Chart.helpers.valueOrDefault);
});
});
describe('Chart.helpers.getValueAtIndexOrDefault', function() {
it('should be defined and an alias of Chart.helpers.valueAtIndexOrDefault', function() {
expect(Chart.helpers.getValueAtIndexOrDefault).toBeDefined();
expect(Chart.helpers.getValueAtIndexOrDefault).toBe(Chart.helpers.valueAtIndexOrDefault);
});
});
describe('Chart.helpers.easingEffects', function() {
it('should be defined and an alias of Chart.helpers.easing.effects', function() {
expect(Chart.helpers.easingEffects).toBeDefined();
expect(Chart.helpers.easingEffects).toBe(Chart.helpers.easing.effects);
});
});
describe('Chart.helpers.drawRoundedRectangle', function() {
it('should be defined and a function', function() {
expect(typeof Chart.helpers.drawRoundedRectangle).toBe('function');
});
it('should call Chart.helpers.canvas.roundedRect', function() {
var ctx = window.createMockContext();
spyOn(Chart.helpers.canvas, 'roundedRect');
Chart.helpers.drawRoundedRectangle(ctx, 10, 20, 30, 40, 5);
var calls = ctx.getCalls();
expect(calls[0]).toEqual({name: 'beginPath', args: []});
expect(Chart.helpers.canvas.roundedRect).toHaveBeenCalledWith(ctx, 10, 20, 30, 40, 5);
});
});
describe('Chart.helpers.addEvent', function() {
it('should be defined and a function', function() {
expect(typeof Chart.helpers.addEvent).toBe('function');
});
it('should correctly add event listener', function() {
var listener = jasmine.createSpy('spy');
Chart.helpers.addEvent(window, 'test', listener);
window.dispatchEvent(new Event('test'));
expect(listener).toHaveBeenCalled();
});
});
describe('Chart.helpers.removeEvent', function() {
it('should be defined and a function', function() {
expect(typeof Chart.helpers.removeEvent).toBe('function');
});
it('should correctly remove event listener', function() {
var listener = jasmine.createSpy('spy');
Chart.helpers.addEvent(window, 'test', listener);
Chart.helpers.removeEvent(window, 'test', listener);
window.dispatchEvent(new Event('test'));
expect(listener).not.toHaveBeenCalled();
});
});
});
describe('Version 2.6.0', function() {
// https://github.com/chartjs/Chart.js/issues/2481
describe('Chart.Controller', function() {
it('should be defined and an alias of Chart', function() {
expect(Chart.Controller).toBeDefined();
expect(Chart.Controller).toBe(Chart);
});
it('should be prototype of chart instances', function() {
var chart = acquireChart({});
expect(chart.constructor).toBe(Chart.Controller);
expect(chart instanceof Chart.Controller).toBeTruthy();
expect(Chart.Controller.prototype.isPrototypeOf(chart)).toBeTruthy();
});
});
describe('chart.chart', function() {
it('should be defined and an alias of chart', function() {
var chart = acquireChart({});
var proxy = chart.chart;
expect(proxy).toBeDefined();
expect(proxy).toBe(chart);
});
it('should defined previously existing properties', function() {
var chart = acquireChart({}, {
canvas: {
style: 'width: 140px; height: 320px'
}
});
var proxy = chart.chart;
expect(proxy.config instanceof Object).toBeTruthy();
expect(proxy.controller instanceof Chart.Controller).toBeTruthy();
expect(proxy.canvas instanceof HTMLCanvasElement).toBeTruthy();
expect(proxy.ctx instanceof CanvasRenderingContext2D).toBeTruthy();
expect(proxy.currentDevicePixelRatio).toBe(window.devicePixelRatio || 1);
expect(proxy.aspectRatio).toBe(140 / 320);
expect(proxy.height).toBe(320);
expect(proxy.width).toBe(140);
});
});
describe('Chart.Animation.animationObject', function() {
it('should be defined and an alias of Chart.Animation', function(done) {
var animation = null;
acquireChart({
options: {
animation: {
duration: 50,
onComplete: function(arg) {
animation = arg;
}
}
}
});
setTimeout(function() {
expect(animation).not.toBeNull();
expect(animation.animationObject).toBeDefined();
expect(animation.animationObject).toBe(animation);
done();
}, 200);
});
});
describe('Chart.Animation.chartInstance', function() {
it('should be defined and an alias of Chart.Animation.chart', function(done) {
var animation = null;
var chart = acquireChart({
options: {
animation: {
duration: 50,
onComplete: function(arg) {
animation = arg;
}
}
}
});
setTimeout(function() {
expect(animation).not.toBeNull();
expect(animation.chartInstance).toBeDefined();
expect(animation.chartInstance).toBe(chart);
done();
}, 200);
});
});
describe('Chart.elements.Line: fill option', function() {
it('should decode "zero", "top" and "bottom" as "origin", "start" and "end"', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [
{fill: 'zero'},
{fill: 'bottom'},
{fill: 'top'},
]
}
});
['origin', 'start', 'end'].forEach(function(expected, index) {
var meta = chart.getDatasetMeta(index);
expect(meta.$filler).toBeDefined();
expect(meta.$filler.fill).toBe(expected);
});
});
});
describe('Chart.helpers.callCallback', function() {
it('should be defined and an alias of Chart.helpers.callback', function() {
expect(Chart.helpers.callCallback).toBeDefined();
expect(Chart.helpers.callCallback).toBe(Chart.helpers.callback);
});
});
describe('Time Axis: unitStepSize option', function() {
it('should use the stepSize property', function() {
var chart = window.acquireChart({
type: 'line',
data: {
labels: ['2015-01-01T20:00:00', '2015-01-01T21:00:00'],
},
options: {
scales: {
xAxes: [{
id: 'time',
type: 'time',
bounds: 'ticks',
time: {
unit: 'hour',
unitStepSize: 2
}
}]
}
}
});
var ticks = chart.scales.time.getTicks().map(function(tick) {
return tick.label;
});
expect(ticks).toEqual(['8PM', '10PM']);
});
});
});
describe('Version 2.5.0', function() {
describe('Chart.PluginBase', function() {
it('should exist and extendable', function() {
expect(Chart.PluginBase).toBeDefined();
expect(Chart.PluginBase.extend).toBeDefined();
});
});
describe('IPlugin.afterScaleUpdate', function() {
it('should be called after the chart as been layed out', function() {
var sequence = [];
var plugin = {};
var hooks = [
'beforeLayout',
'afterScaleUpdate',
'afterLayout'
];
var override = Chart.layouts.update;
Chart.layouts.update = function() {
sequence.push('layoutUpdate');
override.apply(this, arguments);
};
hooks.forEach(function(name) {
plugin[name] = function() {
sequence.push(name);
};
});
window.acquireChart({plugins: [plugin]});
expect(sequence).toEqual([].concat(
'beforeLayout',
'layoutUpdate',
'afterScaleUpdate',
'afterLayout'
));
});
});
});
describe('Version 2.4.0', function() {
describe('x-axis mode', function() {
it ('behaves like index mode with intersect: false', function() {
var data = {
datasets: [{
label: 'Dataset 1',
data: [10, 20, 30],
pointHoverBorderColor: 'rgb(255, 0, 0)',
pointHoverBackgroundColor: 'rgb(0, 255, 0)'
}, {
label: 'Dataset 2',
data: [40, 40, 40],
pointHoverBorderColor: 'rgb(0, 0, 255)',
pointHoverBackgroundColor: 'rgb(0, 255, 255)'
}],
labels: ['Point 1', 'Point 2', 'Point 3']
};
var chart = window.acquireChart({
type: 'line',
data: data
});
var meta0 = chart.getDatasetMeta(0);
var meta1 = chart.getDatasetMeta(1);
var evt = {
type: 'click',
chart: chart,
native: true, // needed otherwise things its a DOM event
x: 0,
y: 0
};
var elements = Chart.Interaction.modes['x-axis'](chart, evt);
expect(elements).toEqual([meta0.data[0], meta1.data[0]]);
});
});
});
describe('Version 2.1.5', function() {
// https://github.com/chartjs/Chart.js/pull/2752
describe('Chart.pluginService', function() {
it('should be defined and an alias of Chart.plugins', function() {
expect(Chart.pluginService).toBeDefined();
expect(Chart.pluginService).toBe(Chart.plugins);
});
});
describe('Chart.Legend', function() {
it('should be defined and an instance of Chart.Element', function() {
var legend = new Chart.Legend({});
expect(Chart.Legend).toBeDefined();
expect(legend).not.toBe(undefined);
expect(legend instanceof Chart.Element).toBeTruthy();
});
});
describe('Chart.Title', function() {
it('should be defined and an instance of Chart.Element', function() {
var title = new Chart.Title({});
expect(Chart.Title).toBeDefined();
expect(title).not.toBe(undefined);
expect(title instanceof Chart.Element).toBeTruthy();
});
});
});
});