Chart.js/test/specs/controller.bubble.tests.js
Simon Brunel be8d78a900
Make Chart.controllers.* importable (#5871)
`controllers.*.js` and `core.datasetController.js` are now importable (no more function export), that's why there is so many changes mainly due to one indentation level removed. Split code for `bar/horizontalBar` and `doughnut/pie` in separate files, added a global controllers import (`src/controllers/index.js`) and add tests to check that all dataset controllers are correctly registered under `chart.controllers.{type}`.
2018-11-29 21:06:34 +01:00

420 lines
9.9 KiB
JavaScript

describe('Chart.controllers.bubble', function() {
describe('auto', jasmine.fixture.specs('controller.bubble'));
it('should be registered as dataset controller', function() {
expect(typeof Chart.controllers.bubble).toBe('function');
});
it('should be constructed', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: []
}]
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.type).toBe('bubble');
expect(meta.controller).not.toBe(undefined);
expect(meta.controller.index).toBe(0);
expect(meta.data).toEqual([]);
meta.controller.updateIndex(1);
expect(meta.controller.index).toBe(1);
});
it('should use the first scale IDs if the dataset does not specify them', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: []
}]
},
options: {
scales: {
xAxes: [{
id: 'firstXScaleID'
}],
yAxes: [{
id: 'firstYScaleID'
}]
}
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.xAxisID).toBe('firstXScaleID');
expect(meta.yAxisID).toBe('firstYScaleID');
});
it('should create point elements for each data item during initialization', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: [10, 15, 0, -4]
}]
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.data.length).toBe(4); // 4 points created
expect(meta.data[0] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[1] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[2] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[3] instanceof Chart.elements.Point).toBe(true);
});
it('should draw all elements', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: [10, 15, 0, -4]
}]
},
options: {
animation: false,
showLines: true
}
});
var meta = chart.getDatasetMeta(0);
spyOn(meta.data[0], 'draw');
spyOn(meta.data[1], 'draw');
spyOn(meta.data[2], 'draw');
spyOn(meta.data[3], 'draw');
chart.update();
expect(meta.data[0].draw.calls.count()).toBe(1);
expect(meta.data[1].draw.calls.count()).toBe(1);
expect(meta.data[2].draw.calls.count()).toBe(1);
expect(meta.data[3].draw.calls.count()).toBe(1);
});
it('should update elements when modifying style', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: [{
x: 10,
y: 10,
r: 5
}, {
x: -15,
y: -10,
r: 1
}, {
x: 0,
y: -9,
r: 2
}, {
x: -4,
y: 10,
r: 1
}]
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false
}]
}
}
});
var meta = chart.getDatasetMeta(0);
[
{r: 5, x: 0, y: 0},
{r: 1, x: 171, y: 512},
{r: 2, x: 341, y: 486},
{r: 1, x: 512, y: 0}
].forEach(function(expected, i) {
expect(meta.data[i]._model.radius).toBe(expected.r);
expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
backgroundColor: Chart.defaults.global.defaultColor,
borderColor: Chart.defaults.global.defaultColor,
borderWidth: 1,
hitRadius: 1,
skip: false
}));
});
// Use dataset level styles for lines & points
chart.data.datasets[0].backgroundColor = 'rgb(98, 98, 98)';
chart.data.datasets[0].borderColor = 'rgb(8, 8, 8)';
chart.data.datasets[0].borderWidth = 0.55;
// point styles
chart.data.datasets[0].radius = 22;
chart.data.datasets[0].hitRadius = 3.3;
chart.update();
for (var i = 0; i < 4; ++i) {
expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
backgroundColor: 'rgb(98, 98, 98)',
borderColor: 'rgb(8, 8, 8)',
borderWidth: 0.55,
hitRadius: 3.3,
skip: false
}));
}
// point styles
meta.data[0].custom = {
radius: 2.2,
backgroundColor: 'rgb(0, 1, 3)',
borderColor: 'rgb(4, 6, 8)',
borderWidth: 0.787,
tension: 0.15,
hitRadius: 5,
skip: true
};
chart.update();
expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
backgroundColor: 'rgb(0, 1, 3)',
borderColor: 'rgb(4, 6, 8)',
borderWidth: 0.787,
hitRadius: 5,
skip: true
}));
});
it('should handle number of data point changes in update', function() {
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
data: [{
x: 10,
y: 10,
r: 5
}, {
x: -15,
y: -10,
r: 1
}, {
x: 0,
y: -9,
r: 2
}, {
x: -4,
y: 10,
r: 1
}]
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.data.length).toBe(4);
chart.data.datasets[0].data = [{
x: 1,
y: 1,
r: 10
}, {
x: 10,
y: 5,
r: 2
}]; // remove 2 items
chart.update();
expect(meta.data.length).toBe(2);
expect(meta.data[0] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[1] instanceof Chart.elements.Point).toBe(true);
chart.data.datasets[0].data = [{
x: 10,
y: 10,
r: 5
}, {
x: -15,
y: -10,
r: 1
}, {
x: 0,
y: -9,
r: 2
}, {
x: -4,
y: 10,
r: 1
}, {
x: -5,
y: 0,
r: 3
}]; // add 3 items
chart.update();
expect(meta.data.length).toBe(5);
expect(meta.data[0] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[1] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[2] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[3] instanceof Chart.elements.Point).toBe(true);
expect(meta.data[4] instanceof Chart.elements.Point).toBe(true);
});
describe('Interactions', function() {
beforeEach(function() {
this.chart = window.acquireChart({
type: 'bubble',
data: {
labels: ['label1', 'label2', 'label3', 'label4'],
datasets: [{
data: [{
x: 5,
y: 5,
r: 20
}, {
x: -15,
y: -10,
r: 15
}, {
x: 15,
y: 10,
r: 10
}, {
x: -15,
y: 10,
r: 5
}]
}]
},
options: {
elements: {
point: {
backgroundColor: 'rgb(100, 150, 200)',
borderColor: 'rgb(50, 100, 150)',
borderWidth: 2,
radius: 3
}
}
}
});
});
it ('should handle default hover styles', function() {
var chart = this.chart;
var point = chart.getDatasetMeta(0).data[0];
jasmine.triggerMouseEvent(chart, 'mousemove', point);
expect(point._model.backgroundColor).toBe('rgb(49, 135, 221)');
expect(point._model.borderColor).toBe('rgb(22, 89, 156)');
expect(point._model.borderWidth).toBe(1);
expect(point._model.radius).toBe(20 + 4);
jasmine.triggerMouseEvent(chart, 'mouseout', point);
expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)');
expect(point._model.borderColor).toBe('rgb(50, 100, 150)');
expect(point._model.borderWidth).toBe(2);
expect(point._model.radius).toBe(20);
});
it ('should handle hover styles defined via dataset properties', function() {
var chart = this.chart;
var point = chart.getDatasetMeta(0).data[0];
Chart.helpers.merge(chart.data.datasets[0], {
hoverBackgroundColor: 'rgb(200, 100, 150)',
hoverBorderColor: 'rgb(150, 50, 100)',
hoverBorderWidth: 8.4,
hoverRadius: 4.2
});
chart.update();
jasmine.triggerMouseEvent(chart, 'mousemove', point);
expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)');
expect(point._model.borderColor).toBe('rgb(150, 50, 100)');
expect(point._model.borderWidth).toBe(8.4);
expect(point._model.radius).toBe(20 + 4.2);
jasmine.triggerMouseEvent(chart, 'mouseout', point);
expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)');
expect(point._model.borderColor).toBe('rgb(50, 100, 150)');
expect(point._model.borderWidth).toBe(2);
expect(point._model.radius).toBe(20);
});
it ('should handle hover styles defined via element options', function() {
var chart = this.chart;
var point = chart.getDatasetMeta(0).data[0];
Chart.helpers.merge(chart.options.elements.point, {
hoverBackgroundColor: 'rgb(200, 100, 150)',
hoverBorderColor: 'rgb(150, 50, 100)',
hoverBorderWidth: 8.4,
hoverRadius: 4.2
});
chart.update();
jasmine.triggerMouseEvent(chart, 'mousemove', point);
expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)');
expect(point._model.borderColor).toBe('rgb(150, 50, 100)');
expect(point._model.borderWidth).toBe(8.4);
expect(point._model.radius).toBe(20 + 4.2);
jasmine.triggerMouseEvent(chart, 'mouseout', point);
expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)');
expect(point._model.borderColor).toBe('rgb(50, 100, 150)');
expect(point._model.borderWidth).toBe(2);
expect(point._model.radius).toBe(20);
});
it ('should handle hover styles defined via element custom', function() {
var chart = this.chart;
var point = chart.getDatasetMeta(0).data[0];
point.custom = {
hoverBackgroundColor: 'rgb(200, 100, 150)',
hoverBorderColor: 'rgb(150, 50, 100)',
hoverBorderWidth: 8.4,
hoverRadius: 4.2
};
chart.update();
jasmine.triggerMouseEvent(chart, 'mousemove', point);
expect(point._model.backgroundColor).toBe('rgb(200, 100, 150)');
expect(point._model.borderColor).toBe('rgb(150, 50, 100)');
expect(point._model.borderWidth).toBe(8.4);
expect(point._model.radius).toBe(20 + 4.2);
jasmine.triggerMouseEvent(chart, 'mouseout', point);
expect(point._model.backgroundColor).toBe('rgb(100, 150, 200)');
expect(point._model.borderColor).toBe('rgb(50, 100, 150)');
expect(point._model.borderWidth).toBe(2);
expect(point._model.radius).toBe(20);
});
});
});