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describe('Chart.controllers.radar', function() {
describe('auto', jasmine.fixture.specs('controller.radar'));
it('should be registered as dataset controller', function() {
expect(typeof Chart.controllers.radar).toBe('function');
});
it('Should be constructed', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: []
}],
labels: []
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.type).toBe('radar');
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 create arc elements for each data item during initialization', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4]
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta = chart.getDatasetMeta(0);
expect(meta.dataset instanceof Chart.elements.Line).toBe(true); // line element
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: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4]
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta = chart.getDatasetMeta(0);
spyOn(meta.dataset, 'draw');
spyOn(meta.data[0], 'draw');
spyOn(meta.data[1], 'draw');
spyOn(meta.data[2], 'draw');
spyOn(meta.data[3], 'draw');
chart.update();
expect(meta.dataset.draw.calls.count()).toBe(1);
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', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4]
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
showLines: true,
legend: false,
title: false,
elements: {
line: {
backgroundColor: 'rgb(255, 0, 0)',
borderCapStyle: 'round',
borderColor: 'rgb(0, 255, 0)',
borderDash: [],
borderDashOffset: 0.1,
borderJoinStyle: 'bevel',
borderWidth: 1.2,
fill: true,
tension: 0.1,
},
point: {
backgroundColor: Chart.defaults.global.defaultColor,
borderWidth: 1,
borderColor: Chart.defaults.global.defaultColor,
hitRadius: 1,
hoverRadius: 4,
hoverBorderWidth: 1,
radius: 3,
pointStyle: 'circle'
}
}
}
});
var meta = chart.getDatasetMeta(0);
meta.controller.reset(); // reset first
// Line element
expect(meta.dataset._model).toEqual(jasmine.objectContaining({
backgroundColor: 'rgb(255, 0, 0)',
borderCapStyle: 'round',
borderColor: 'rgb(0, 255, 0)',
borderDash: [],
borderDashOffset: 0.1,
borderJoinStyle: 'bevel',
borderWidth: 1.2,
fill: true,
}));
[
{x: 256, y: 260, cppx: 256, cppy: 260, cpnx: 256, cpny: 260},
{x: 256, y: 260, cppx: 256, cppy: 260, cpnx: 256, cpny: 260},
{x: 256, y: 260, cppx: 256, cppy: 260, cpnx: 256, cpny: 260},
{x: 256, y: 260, cppx: 256, cppy: 260, cpnx: 256, cpny: 260},
].forEach(function(expected, i) {
expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
backgroundColor: Chart.defaults.global.defaultColor,
borderWidth: 1,
borderColor: Chart.defaults.global.defaultColor,
hitRadius: 1,
radius: 3,
pointStyle: 'circle',
skip: false,
tension: 0.1,
}));
});
// Now update controller and ensure proper updates
meta.controller.update();
[
{x: 256, y: 120, cppx: 246, cppy: 120, cpnx: 272, cpny: 120},
{x: 464, y: 260, cppx: 464, cppy: 252, cpnx: 464, cpny: 266},
{x: 256, y: 260, cppx: 277, cppy: 260, cpnx: 250, cpny: 260},
{x: 200, y: 260, cppx: 200, cppy: 264, cpnx: 200, cpny: 250},
].forEach(function(expected, i) {
expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
backgroundColor: Chart.defaults.global.defaultColor,
borderWidth: 1,
borderColor: Chart.defaults.global.defaultColor,
hitRadius: 1,
radius: 3,
pointStyle: 'circle',
skip: false,
tension: 0.1,
}));
});
// Use dataset level styles for lines & points
chart.data.datasets[0].lineTension = 0;
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;
chart.data.datasets[0].borderCapStyle = 'butt';
chart.data.datasets[0].borderDash = [2, 3];
chart.data.datasets[0].borderDashOffset = 7;
chart.data.datasets[0].borderJoinStyle = 'miter';
chart.data.datasets[0].fill = false;
// point styles
chart.data.datasets[0].pointRadius = 22;
chart.data.datasets[0].hitRadius = 3.3;
chart.data.datasets[0].pointBackgroundColor = 'rgb(128, 129, 130)';
chart.data.datasets[0].pointBorderColor = 'rgb(56, 57, 58)';
chart.data.datasets[0].pointBorderWidth = 1.123;
meta.controller.update();
expect(meta.dataset._model).toEqual(jasmine.objectContaining({
backgroundColor: 'rgb(98, 98, 98)',
borderCapStyle: 'butt',
borderColor: 'rgb(8, 8, 8)',
borderDash: [2, 3],
borderDashOffset: 7,
borderJoinStyle: 'miter',
borderWidth: 0.55,
fill: false,
}));
// Since tension is now 0, we don't care about the control points
[
{x: 256, y: 120},
{x: 464, y: 260},
{x: 256, y: 260},
{x: 200, y: 260},
].forEach(function(expected, i) {
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: 'rgb(128, 129, 130)',
borderWidth: 1.123,
borderColor: 'rgb(56, 57, 58)',
hitRadius: 3.3,
radius: 22,
pointStyle: 'circle',
skip: false,
tension: 0,
}));
});
// Use custom styles for lines & first point
meta.dataset.custom = {
backgroundColor: 'rgb(55, 55, 54)',
borderColor: 'rgb(8, 7, 6)',
borderWidth: 0.3,
borderCapStyle: 'square',
borderDash: [4, 3],
borderDashOffset: 4.4,
borderJoinStyle: 'round',
fill: true,
};
// 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,
skip: true,
hitRadius: 5,
};
meta.controller.update();
expect(meta.dataset._model).toEqual(jasmine.objectContaining({
backgroundColor: 'rgb(55, 55, 54)',
borderCapStyle: 'square',
borderColor: 'rgb(8, 7, 6)',
borderDash: [4, 3],
borderDashOffset: 4.4,
borderJoinStyle: 'round',
borderWidth: 0.3,
fill: true,
}));
expect(meta.data[0]._model.x).toBeCloseToPixel(256);
expect(meta.data[0]._model.y).toBeCloseToPixel(120);
expect(meta.data[0]._model.controlPointPreviousX).toBeCloseToPixel(241);
expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(120);
expect(meta.data[0]._model.controlPointNextX).toBeCloseToPixel(281);
expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(120);
expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
radius: 2.2,
backgroundColor: 'rgb(0, 1, 3)',
borderColor: 'rgb(4, 6, 8)',
borderWidth: 0.787,
tension: 0.15,
skip: true,
hitRadius: 5,
}));
});
describe('Interactions', function() {
beforeEach(function() {
this.chart = window.acquireChart({
type: 'radar',
data: {
labels: ['label1', 'label2', 'label3', 'label4'],
datasets: [{
data: [10, 15, 0, 4]
}]
},
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(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(3);
});
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(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(3);
});
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(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(3);
});
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(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(3);
});
});
it('should allow pointBorderWidth to be set to 0', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4],
pointBorderWidth: 0
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta = chart.getDatasetMeta(0);
var point = meta.data[0];
expect(point._model.borderWidth).toBe(0);
});
it('should use the pointRadius setting over the radius setting', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4],
pointRadius: 10,
radius: 15,
}, {
data: [20, 20, 20, 20],
radius: 20
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta0 = chart.getDatasetMeta(0);
var meta1 = chart.getDatasetMeta(1);
expect(meta0.data[0]._model.radius).toBe(10);
expect(meta1.data[0]._model.radius).toBe(20);
});
});