mirror of
https://github.com/chartjs/Chart.js.git
synced 2024-10-06 12:19:08 +02:00
817 lines
18 KiB
JavaScript
817 lines
18 KiB
JavaScript
describe('Chart.DatasetController', function() {
|
|
it('should listen for dataset data insertions or removals', function() {
|
|
var data = [0, 1, 2, 3, 4, 5];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
var controller = chart.getDatasetMeta(0).controller;
|
|
var methods = [
|
|
'_onDataPush',
|
|
'_onDataPop',
|
|
'_onDataShift',
|
|
'_onDataSplice',
|
|
'_onDataUnshift'
|
|
];
|
|
|
|
methods.forEach(function(method) {
|
|
spyOn(controller, method);
|
|
});
|
|
|
|
data.push(6, 7, 8);
|
|
data.push(9);
|
|
data.pop();
|
|
data.shift();
|
|
data.shift();
|
|
data.shift();
|
|
data.splice(1, 4, 10, 11);
|
|
data.unshift(12, 13, 14, 15);
|
|
data.unshift(16, 17);
|
|
|
|
[2, 1, 3, 1, 2].forEach(function(expected, index) {
|
|
expect(controller[methods[index]].calls.count()).toBe(expected);
|
|
});
|
|
});
|
|
|
|
describe('inextensible data', function() {
|
|
it('should handle a frozen data object', function() {
|
|
function createChart() {
|
|
var data = Object.freeze([0, 1, 2, 3, 4, 5]);
|
|
expect(Object.isExtensible(data)).toBeFalsy();
|
|
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
var dataset = chart.data.datasets[0];
|
|
dataset.data = Object.freeze([5, 4, 3, 2, 1, 0]);
|
|
expect(Object.isExtensible(dataset.data)).toBeFalsy();
|
|
chart.update();
|
|
|
|
// Tests that the unlisten path also works for frozen objects
|
|
chart.destroy();
|
|
}
|
|
|
|
expect(createChart).not.toThrow();
|
|
});
|
|
|
|
it('should handle a sealed data object', function() {
|
|
function createChart() {
|
|
var data = Object.seal([0, 1, 2, 3, 4, 5]);
|
|
expect(Object.isExtensible(data)).toBeFalsy();
|
|
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
var dataset = chart.data.datasets[0];
|
|
dataset.data = Object.seal([5, 4, 3, 2, 1, 0]);
|
|
expect(Object.isExtensible(dataset.data)).toBeFalsy();
|
|
chart.update();
|
|
|
|
// Tests that the unlisten path also works for frozen objects
|
|
chart.destroy();
|
|
}
|
|
|
|
expect(createChart).not.toThrow();
|
|
});
|
|
|
|
it('should handle an unextendable data object', function() {
|
|
function createChart() {
|
|
var data = Object.preventExtensions([0, 1, 2, 3, 4, 5]);
|
|
expect(Object.isExtensible(data)).toBeFalsy();
|
|
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
var dataset = chart.data.datasets[0];
|
|
dataset.data = Object.preventExtensions([5, 4, 3, 2, 1, 0]);
|
|
expect(Object.isExtensible(dataset.data)).toBeFalsy();
|
|
chart.update();
|
|
|
|
// Tests that the unlisten path also works for frozen objects
|
|
chart.destroy();
|
|
}
|
|
|
|
expect(createChart).not.toThrow();
|
|
});
|
|
});
|
|
|
|
it('should parse data using correct scales', function() {
|
|
const data1 = [0, 1, 2, 3, 4, 5];
|
|
const data2 = ['a', 'b', 'c', 'd', 'a'];
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [
|
|
{data: data1},
|
|
{data: data2, xAxisID: 'x2', yAxisID: 'y2'}
|
|
]
|
|
},
|
|
options: {
|
|
scales: {
|
|
x: {
|
|
type: 'category',
|
|
labels: ['one', 'two', 'three', 'four', 'five', 'six']
|
|
},
|
|
x2: {
|
|
type: 'logarithmic',
|
|
labels: ['1', '10', '100', '1000', '2000']
|
|
},
|
|
y: {
|
|
type: 'linear'
|
|
},
|
|
y2: {
|
|
type: 'category',
|
|
labels: ['a', 'b', 'c', 'd', 'e']
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
const meta1 = chart.getDatasetMeta(0);
|
|
const parsedXValues1 = meta1._parsed.map(p => p.x);
|
|
const parsedYValues1 = meta1._parsed.map(p => p.y);
|
|
|
|
expect(meta1.data.length).toBe(6);
|
|
expect(parsedXValues1).toEqual([0, 1, 2, 3, 4, 5]); // label indices
|
|
expect(parsedYValues1).toEqual(data1);
|
|
|
|
const meta2 = chart.getDatasetMeta(1);
|
|
const parsedXValues2 = meta2._parsed.map(p => p.x);
|
|
const parsedYValues2 = meta2._parsed.map(p => p.y);
|
|
|
|
expect(meta2.data.length).toBe(5);
|
|
expect(parsedXValues2).toEqual([1, 10, 100, 1000, 2000]); // logarithmic scale labels
|
|
expect(parsedYValues2).toEqual([0, 1, 2, 3, 0]); // label indices
|
|
});
|
|
|
|
it('should parse using provided keys', function() {
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [
|
|
{x: 1, data: {key: 'one', value: 20}},
|
|
{data: {key: 'two', value: 30}}
|
|
]
|
|
}]
|
|
},
|
|
options: {
|
|
parsing: {
|
|
xAxisKey: 'data.key',
|
|
yAxisKey: 'data.value'
|
|
},
|
|
scales: {
|
|
x: {
|
|
type: 'category',
|
|
labels: ['one', 'two']
|
|
},
|
|
y: {
|
|
type: 'linear'
|
|
},
|
|
}
|
|
}
|
|
});
|
|
|
|
const meta = chart.getDatasetMeta(0);
|
|
const parsedXValues = meta._parsed.map(p => p.x);
|
|
const parsedYValues = meta._parsed.map(p => p.y);
|
|
|
|
expect(meta.data.length).toBe(2);
|
|
expect(parsedXValues).toEqual([0, 1]); // label indices
|
|
expect(parsedYValues).toEqual([20, 30]);
|
|
});
|
|
|
|
it('should synchronize metadata when data are inserted or removed and parsing is on', function() {
|
|
const data = [0, 1, 2, 3, 4, 5];
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
const meta = chart.getDatasetMeta(0);
|
|
const parsedYValues = () => meta._parsed.map(p => p.y);
|
|
let first, second, last;
|
|
|
|
first = meta.data[0];
|
|
last = meta.data[5];
|
|
data.push(6, 7, 8);
|
|
data.push(9);
|
|
expect(meta.data.length).toBe(10);
|
|
expect(meta.data[0]).toBe(first);
|
|
expect(meta.data[5]).toBe(last);
|
|
expect(parsedYValues()).toEqual(data);
|
|
|
|
last = meta.data[9];
|
|
data.pop();
|
|
expect(meta.data.length).toBe(9);
|
|
expect(meta.data[0]).toBe(first);
|
|
expect(meta.data.indexOf(last)).toBe(-1);
|
|
expect(parsedYValues()).toEqual(data);
|
|
|
|
last = meta.data[8];
|
|
data.shift();
|
|
data.shift();
|
|
data.shift();
|
|
expect(meta.data.length).toBe(6);
|
|
expect(meta.data.indexOf(first)).toBe(-1);
|
|
expect(meta.data[5]).toBe(last);
|
|
expect(parsedYValues()).toEqual(data);
|
|
|
|
first = meta.data[0];
|
|
second = meta.data[1];
|
|
last = meta.data[5];
|
|
data.splice(1, 4, 10, 11);
|
|
expect(meta.data.length).toBe(4);
|
|
expect(meta.data[0]).toBe(first);
|
|
expect(meta.data[3]).toBe(last);
|
|
expect(meta.data.indexOf(second)).toBe(-1);
|
|
expect(parsedYValues()).toEqual(data);
|
|
|
|
data.unshift(12, 13, 14, 15);
|
|
data.unshift(16, 17);
|
|
expect(meta.data.length).toBe(10);
|
|
expect(meta.data[6]).toBe(first);
|
|
expect(meta.data[9]).toBe(last);
|
|
expect(parsedYValues()).toEqual(data);
|
|
});
|
|
|
|
it('should synchronize metadata when data are inserted or removed and parsing is off', function() {
|
|
var data = [{x: 0, y: 0}, {x: 1, y: 1}, {x: 2, y: 2}, {x: 3, y: 3}, {x: 4, y: 4}, {x: 5, y: 5}];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
},
|
|
options: {
|
|
parsing: false,
|
|
scales: {
|
|
x: {type: 'linear'},
|
|
y: {type: 'linear'}
|
|
}
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
var controller = meta.controller;
|
|
var first, last;
|
|
|
|
first = controller.getParsed(0);
|
|
last = controller.getParsed(5);
|
|
data.push({x: 6, y: 6}, {x: 7, y: 7}, {x: 8, y: 8});
|
|
data.push({x: 9, y: 9});
|
|
expect(meta.data.length).toBe(10);
|
|
expect(controller.getParsed(0)).toBe(first);
|
|
expect(controller.getParsed(5)).toBe(last);
|
|
|
|
last = controller.getParsed(9);
|
|
data.pop();
|
|
expect(meta.data.length).toBe(9);
|
|
expect(controller.getParsed(0)).toBe(first);
|
|
expect(controller.getParsed(9)).toBe(undefined);
|
|
expect(controller.getParsed(8)).toEqual({x: 8, y: 8});
|
|
|
|
last = controller.getParsed(8);
|
|
data.shift();
|
|
data.shift();
|
|
data.shift();
|
|
expect(meta.data.length).toBe(6);
|
|
expect(controller.getParsed(5)).toBe(last);
|
|
|
|
first = controller.getParsed(0);
|
|
last = controller.getParsed(5);
|
|
data.splice(1, 4, {x: 10, y: 10}, {x: 11, y: 11});
|
|
expect(meta.data.length).toBe(4);
|
|
expect(controller.getParsed(0)).toBe(first);
|
|
expect(controller.getParsed(3)).toBe(last);
|
|
expect(controller.getParsed(1)).toEqual({x: 10, y: 10});
|
|
|
|
data.unshift({x: 12, y: 12}, {x: 13, y: 13}, {x: 14, y: 14}, {x: 15, y: 15});
|
|
data.unshift({x: 16, y: 16}, {x: 17, y: 17});
|
|
expect(meta.data.length).toBe(10);
|
|
expect(controller.getParsed(6)).toBe(first);
|
|
expect(controller.getParsed(9)).toBe(last);
|
|
});
|
|
|
|
it('should re-synchronize metadata when the data object reference changes', function() {
|
|
var data0 = [0, 1, 2, 3, 4, 5];
|
|
var data1 = [6, 7, 8];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data0
|
|
}]
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
expect(meta.data.length).toBe(6);
|
|
expect(meta._parsed.map(p => p.y)).toEqual(data0);
|
|
|
|
chart.data.datasets[0].data = data1;
|
|
chart.update();
|
|
|
|
expect(meta.data.length).toBe(3);
|
|
expect(meta._parsed.map(p => p.y)).toEqual(data1);
|
|
|
|
data1.push(9);
|
|
expect(meta.data.length).toBe(4);
|
|
|
|
chart.data.datasets[0].data = data0;
|
|
chart.update();
|
|
|
|
expect(meta.data.length).toBe(6);
|
|
expect(meta._parsed.map(p => p.y)).toEqual(data0);
|
|
});
|
|
|
|
it('should re-synchronize metadata when data are unusually altered', function() {
|
|
var data = [0, 1, 2, 3, 4, 5];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data
|
|
}]
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
expect(meta.data.length).toBe(6);
|
|
|
|
data.length = 2;
|
|
chart.update();
|
|
|
|
expect(meta.data.length).toBe(2);
|
|
|
|
data.length = 42;
|
|
chart.update();
|
|
|
|
expect(meta.data.length).toBe(42);
|
|
});
|
|
|
|
// https://github.com/chartjs/Chart.js/issues/7243
|
|
it('should re-synchronize metadata when data is moved and values are equal', function() {
|
|
var data = [10, 10, 10, 10, 10, 10];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
labels: ['a', 'b', 'c', 'd', 'e', 'f'],
|
|
datasets: [{
|
|
data,
|
|
fill: true
|
|
}]
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
expect(meta.data.length).toBe(6);
|
|
const firstX = meta.data[0].x;
|
|
|
|
data.push(data.shift());
|
|
chart.update();
|
|
|
|
expect(meta.data.length).toBe(6);
|
|
expect(meta.data[0].x).toEqual(firstX);
|
|
});
|
|
|
|
// https://github.com/chartjs/Chart.js/issues/7445
|
|
it('should re-synchronize metadata when data is objects and directly altered', function() {
|
|
var data = [{x: 'a', y: 1}, {x: 'b', y: 2}, {x: 'c', y: 3}];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
labels: ['a', 'b', 'c'],
|
|
datasets: [{
|
|
data,
|
|
fill: true
|
|
}]
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
expect(meta.data.length).toBe(3);
|
|
const y3 = meta.data[2].y;
|
|
|
|
data[0].y = 3;
|
|
chart.update();
|
|
expect(meta.data[0].y).toEqual(y3);
|
|
});
|
|
|
|
it('should re-synchronize metadata when scaleID changes', function() {
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [],
|
|
xAxisID: 'firstXScaleID',
|
|
yAxisID: 'firstYScaleID',
|
|
}]
|
|
},
|
|
options: {
|
|
scales: {
|
|
firstXScaleID: {
|
|
type: 'category',
|
|
position: 'bottom'
|
|
},
|
|
secondXScaleID: {
|
|
type: 'category',
|
|
position: 'bottom'
|
|
},
|
|
firstYScaleID: {
|
|
type: 'linear',
|
|
position: 'left'
|
|
},
|
|
secondYScaleID: {
|
|
type: 'linear',
|
|
position: 'left'
|
|
},
|
|
}
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
|
|
expect(meta.xAxisID).toBe('firstXScaleID');
|
|
expect(meta.yAxisID).toBe('firstYScaleID');
|
|
|
|
chart.data.datasets[0].xAxisID = 'secondXScaleID';
|
|
chart.data.datasets[0].yAxisID = 'secondYScaleID';
|
|
chart.update();
|
|
|
|
expect(meta.xAxisID).toBe('secondXScaleID');
|
|
expect(meta.yAxisID).toBe('secondYScaleID');
|
|
});
|
|
|
|
it('should re-synchronize stacks when stack is changed', function() {
|
|
var chart = acquireChart({
|
|
type: 'bar',
|
|
data: {
|
|
labels: ['a', 'b'],
|
|
datasets: [{
|
|
data: [1, 10],
|
|
stack: '1'
|
|
}, {
|
|
data: [2, 20],
|
|
stack: '2'
|
|
}, {
|
|
data: [3, 30],
|
|
stack: '1'
|
|
}]
|
|
}
|
|
});
|
|
|
|
expect(chart._stacks).toEqual({
|
|
'x.y.1.bar': {
|
|
0: {0: 1, 2: 3},
|
|
1: {0: 10, 2: 30}
|
|
},
|
|
'x.y.2.bar': {
|
|
0: {1: 2},
|
|
1: {1: 20}
|
|
}
|
|
});
|
|
|
|
chart.data.datasets[2].stack = '2';
|
|
chart.update();
|
|
|
|
expect(chart._stacks).toEqual({
|
|
'x.y.1.bar': {
|
|
0: {0: 1},
|
|
1: {0: 10}
|
|
},
|
|
'x.y.2.bar': {
|
|
0: {1: 2, 2: 3},
|
|
1: {1: 20, 2: 30}
|
|
}
|
|
});
|
|
});
|
|
|
|
it('should re-synchronize stacks when data is removed', function() {
|
|
var chart = acquireChart({
|
|
type: 'bar',
|
|
data: {
|
|
labels: ['a', 'b'],
|
|
datasets: [{
|
|
data: [1, 10],
|
|
stack: '1'
|
|
}, {
|
|
data: [2, 20],
|
|
stack: '2'
|
|
}, {
|
|
data: [3, 30],
|
|
stack: '1'
|
|
}]
|
|
}
|
|
});
|
|
|
|
expect(chart._stacks).toEqual({
|
|
'x.y.1.bar': {
|
|
0: {0: 1, 2: 3},
|
|
1: {0: 10, 2: 30}
|
|
},
|
|
'x.y.2.bar': {
|
|
0: {1: 2},
|
|
1: {1: 20}
|
|
}
|
|
});
|
|
|
|
chart.data.datasets[2].data = [4];
|
|
chart.update();
|
|
|
|
expect(chart._stacks).toEqual({
|
|
'x.y.1.bar': {
|
|
0: {0: 1, 2: 4},
|
|
1: {0: 10}
|
|
},
|
|
'x.y.2.bar': {
|
|
0: {1: 2},
|
|
1: {1: 20}
|
|
}
|
|
});
|
|
});
|
|
|
|
it('should cleanup attached properties when the reference changes or when the chart is destroyed', function() {
|
|
var data0 = [0, 1, 2, 3, 4, 5];
|
|
var data1 = [6, 7, 8];
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data0
|
|
}]
|
|
}
|
|
});
|
|
|
|
var hooks = ['push', 'pop', 'shift', 'splice', 'unshift'];
|
|
|
|
expect(data0._chartjs).toBeDefined();
|
|
hooks.forEach(function(hook) {
|
|
expect(data0[hook]).not.toBe(Array.prototype[hook]);
|
|
});
|
|
|
|
expect(data1._chartjs).not.toBeDefined();
|
|
hooks.forEach(function(hook) {
|
|
expect(data1[hook]).toBe(Array.prototype[hook]);
|
|
});
|
|
|
|
chart.data.datasets[0].data = data1;
|
|
chart.update();
|
|
|
|
expect(data0._chartjs).not.toBeDefined();
|
|
hooks.forEach(function(hook) {
|
|
expect(data0[hook]).toBe(Array.prototype[hook]);
|
|
});
|
|
|
|
expect(data1._chartjs).toBeDefined();
|
|
hooks.forEach(function(hook) {
|
|
expect(data1[hook]).not.toBe(Array.prototype[hook]);
|
|
});
|
|
|
|
chart.destroy();
|
|
|
|
expect(data1._chartjs).not.toBeDefined();
|
|
hooks.forEach(function(hook) {
|
|
expect(data1[hook]).toBe(Array.prototype[hook]);
|
|
});
|
|
});
|
|
|
|
it('should resolve data element options to the default color', function() {
|
|
var data0 = [0, 1, 2, 3, 4, 5];
|
|
var oldColor = Chart.defaults.borderColor;
|
|
Chart.defaults.borderColor = 'red';
|
|
var chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: data0
|
|
}]
|
|
}
|
|
});
|
|
|
|
var meta = chart.getDatasetMeta(0);
|
|
expect(meta.dataset.options.borderColor).toBe('red');
|
|
expect(meta.data[0].options.borderColor).toBe('red');
|
|
|
|
// Reset old shared state
|
|
Chart.defaults.borderColor = oldColor;
|
|
});
|
|
|
|
describe('_resolveOptions', function() {
|
|
it('should resove names in array notation', function() {
|
|
Chart.defaults.elements.line.globalTest = 'global';
|
|
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1],
|
|
datasetTest: 'dataset'
|
|
}]
|
|
},
|
|
options: {
|
|
elements: {
|
|
line: {
|
|
elementTest: 'element'
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller._resolveOptions(
|
|
[
|
|
'datasetTest',
|
|
'elementTest',
|
|
'globalTest'
|
|
],
|
|
{type: 'line'})
|
|
).toEqual({
|
|
datasetTest: 'dataset',
|
|
elementTest: 'element',
|
|
globalTest: 'global'
|
|
});
|
|
|
|
// Remove test from global defaults
|
|
delete Chart.defaults.elements.line.globalTest;
|
|
});
|
|
|
|
it('should resove names in object notation', function() {
|
|
Chart.defaults.elements.line.global = 'global';
|
|
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1],
|
|
datasetTest: 'dataset'
|
|
}]
|
|
},
|
|
options: {
|
|
elements: {
|
|
line: {
|
|
element: 'element'
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller._resolveOptions(
|
|
{
|
|
dataset: 'datasetTest',
|
|
element: 'elementTest',
|
|
global: 'globalTest'},
|
|
{type: 'line'})
|
|
).toEqual({
|
|
dataset: 'dataset',
|
|
element: 'element',
|
|
global: 'global'
|
|
});
|
|
|
|
// Remove test from global defaults
|
|
delete Chart.defaults.elements.line.global;
|
|
});
|
|
});
|
|
|
|
describe('resolveDataElementOptions', function() {
|
|
it('should cache options when possible', function() {
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1, 2, 3],
|
|
}]
|
|
},
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller.enableOptionSharing).toBeTrue();
|
|
|
|
const opts0 = controller.resolveDataElementOptions(0);
|
|
const opts1 = controller.resolveDataElementOptions(1);
|
|
|
|
expect(opts0 === opts1).toBeTrue();
|
|
expect(opts0.$shared).toBeTrue();
|
|
expect(Object.isFrozen(opts0)).toBeTrue();
|
|
});
|
|
|
|
it('should not cache options when option sharing is disabled', function() {
|
|
const chart = acquireChart({
|
|
type: 'radar',
|
|
data: {
|
|
datasets: [{
|
|
data: [1, 2, 3],
|
|
}]
|
|
},
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller.enableOptionSharing).toBeFalse();
|
|
|
|
const opts0 = controller.resolveDataElementOptions(0);
|
|
const opts1 = controller.resolveDataElementOptions(1);
|
|
|
|
expect(opts0 === opts1).toBeFalse();
|
|
expect(opts0.$shared).not.toBeTrue();
|
|
expect(Object.isFrozen(opts0)).toBeFalse();
|
|
});
|
|
|
|
it('should not cache options when functions are used', function() {
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1, 2, 3],
|
|
backgroundColor: () => 'red'
|
|
}]
|
|
},
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
const opts0 = controller.resolveDataElementOptions(0);
|
|
const opts1 = controller.resolveDataElementOptions(1);
|
|
|
|
expect(opts0 === opts1).toBeFalse();
|
|
expect(opts0.$shared).not.toBeTrue();
|
|
expect(Object.isFrozen(opts0)).toBeFalse();
|
|
});
|
|
});
|
|
|
|
describe('_resolveAnimations', function() {
|
|
it('should resolve to empty Animations when globally disabled', function() {
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1],
|
|
animation: {
|
|
test: {duration: 10}
|
|
}
|
|
}]
|
|
},
|
|
options: {
|
|
animation: false
|
|
}
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller._resolveAnimations(0)._properties.size).toEqual(0);
|
|
});
|
|
|
|
it('should resolve to empty Animations when disabled at dataset level', function() {
|
|
const chart = acquireChart({
|
|
type: 'line',
|
|
data: {
|
|
datasets: [{
|
|
data: [1],
|
|
animation: false
|
|
}]
|
|
}
|
|
});
|
|
|
|
const controller = chart.getDatasetMeta(0).controller;
|
|
|
|
expect(controller._resolveAnimations(0)._properties.size).toEqual(0);
|
|
});
|
|
});
|
|
});
|