// Test the bubble controller
describe('Bubble controller tests', function() {
beforeEach(function() {
window.addDefaultMatchers(jasmine);
});
afterEach(function() {
window.releaseAllCharts();
});
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: {
scales: {
xAxes: [{
type: 'category'
}],
yAxes: [{
type: 'linear'
}]
}
}
});
var meta = chart.getDatasetMeta(0);
[ { r: 5, x: 38, y: 32 },
{ r: 1, x: 189, y: 484 },
{ r: 2, x: 341, y: 461 },
{ r: 1, x: 492, y: 32 }
].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);
});
it('should set hover styles', 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: {
elements: {
point: {
backgroundColor: 'rgb(255, 255, 0)',
borderWidth: 1,
borderColor: 'rgb(255, 255, 255)',
hitRadius: 1,
hoverRadius: 4,
hoverBorderWidth: 1,
radius: 3
}
}
}
});
var meta = chart.getDatasetMeta(0);
var point = meta.data[0];
meta.controller.setHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(229, 230, 0)');
expect(point._model.borderColor).toBe('rgb(230, 230, 230)');
expect(point._model.borderWidth).toBe(1);
expect(point._model.radius).toBe(9);
// Can set hover style per dataset
chart.data.datasets[0].hoverRadius = 3.3;
chart.data.datasets[0].hoverBackgroundColor = 'rgb(77, 79, 81)';
chart.data.datasets[0].hoverBorderColor = 'rgb(123, 125, 127)';
chart.data.datasets[0].hoverBorderWidth = 2.1;
meta.controller.setHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
expect(point._model.borderWidth).toBe(2.1);
expect(point._model.radius).toBe(8.3);
// Custom style
point.custom = {
hoverRadius: 4.4,
hoverBorderWidth: 5.5,
hoverBackgroundColor: 'rgb(0, 0, 0)',
hoverBorderColor: 'rgb(10, 10, 10)'
};
meta.controller.setHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
expect(point._model.borderWidth).toBe(5.5);
expect(point._model.radius).toBe(4.4);
});
it('should remove hover styles', function() {
var chart = 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: {
elements: {
point: {
backgroundColor: 'rgb(255, 255, 0)',
borderWidth: 1,
borderColor: 'rgb(255, 255, 255)',
hitRadius: 1,
hoverRadius: 4,
hoverBorderWidth: 1,
radius: 3
}
}
}
});
var meta = chart.getDatasetMeta(0);
var point = meta.data[0];
chart.options.elements.point.backgroundColor = 'rgb(45, 46, 47)';
chart.options.elements.point.borderColor = 'rgb(50, 51, 52)';
chart.options.elements.point.borderWidth = 10.1;
chart.options.elements.point.radius = 1.01;
meta.controller.removeHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(45, 46, 47)');
expect(point._model.borderColor).toBe('rgb(50, 51, 52)');
expect(point._model.borderWidth).toBe(10.1);
expect(point._model.radius).toBe(5);
// Can set hover style per dataset
chart.data.datasets[0].radius = 3.3;
chart.data.datasets[0].backgroundColor = 'rgb(77, 79, 81)';
chart.data.datasets[0].borderColor = 'rgb(123, 125, 127)';
chart.data.datasets[0].borderWidth = 2.1;
meta.controller.removeHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
expect(point._model.borderWidth).toBe(2.1);
expect(point._model.radius).toBe(5);
// Custom style
point.custom = {
radius: 4.4,
borderWidth: 5.5,
backgroundColor: 'rgb(0, 0, 0)',
borderColor: 'rgb(10, 10, 10)'
};
meta.controller.removeHoverStyle(point);
expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
expect(point._model.borderWidth).toBe(5.5);
expect(point._model.radius).toBe(4.4);
});
});
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