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describe('Chart.controllers.scatter', function() {
describe('auto', jasmine.fixture.specs('controller.scatter'));
it('should be registered as dataset controller', function() {
expect(typeof Chart.controllers.scatter).toBe('function');
});
it('should test default tooltip callbacks', async function() {
var chart = window.acquireChart({
type: 'scatter',
data: {
datasets: [{
data: [{
x: 10,
y: 15
}],
label: 'dataset1'
}],
},
options: {}
});
var point = chart.getDatasetMeta(0).data[0];
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
// Title should be empty
expect(chart.tooltip.title.length).toBe(0);
expect(chart.tooltip.body[0].lines).toEqual(['(10, 15)']);
});
it('should only show a single point in the tooltip on multiple datasets', async function() {
var chart = window.acquireChart({
type: 'scatter',
data: {
datasets: [{
data: [{
x: 10,
y: 15
},
{
x: 12,
y: 10
}],
label: 'dataset1'
},
{
data: [{
x: 20,
y: 10
},
{
x: 4,
y: 8
}],
label: 'dataset2'
}]
},
options: {}
});
var point = chart.getDatasetMeta(0).data[1];
await jasmine.triggerMouseEvent(chart, 'mousemove', point);
expect(chart.tooltip.body.length).toEqual(1);
});
it('should not create line element by default', function() {
var chart = window.acquireChart({
type: 'scatter',
data: {
datasets: [{
data: [{
x: 10,
y: 15
},
{
x: 12,
y: 10
}],
label: 'dataset1'
},
{
data: [{
x: 20,
y: 10
},
{
x: 4,
y: 8
}],
label: 'dataset2'
}]
},
});
var meta = chart.getDatasetMeta(0);
expect(meta.dataset instanceof Chart.elements.LineElement).toBe(false);
});
it('should create line element if showline is true at datasets options', function() {
var chart = window.acquireChart({
type: 'scatter',
data: {
datasets: [{
showLine: true,
data: [{
x: 10,
y: 15
},
{
x: 12,
y: 10
}],
label: 'dataset1'
},
{
data: [{
x: 20,
y: 10
},
{
x: 4,
y: 8
}],
label: 'dataset2'
}]
},
});
var meta = chart.getDatasetMeta(0);
expect(meta.dataset instanceof Chart.elements.LineElement).toBe(true);
});
it('should create line element if showline is true at root options', function() {
var chart = window.acquireChart({
type: 'scatter',
data: {
datasets: [{
data: [{
x: 10,
y: 15
},
{
x: 12,
y: 10
}],
label: 'dataset1'
},
{
data: [{
x: 20,
y: 10
},
{
x: 4,
y: 8
}],
label: 'dataset2'
}]
},
options: {
showLine: true
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.dataset instanceof Chart.elements.LineElement).toBe(true);
});
});
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