// Test the polar area controller
describe('Radar controller tests', function() {
beforeEach(function() {
window.addDefaultMatchers(jasmine);
});
afterEach(function() {
window.releaseAllCharts();
});
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 controller = new Chart.controllers.radar(chart, 0);
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,
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.scaleTop).toBeCloseToPixel(32);
expect(meta.dataset._model.scaleBottom).toBeCloseToPixel(512);
expect(meta.dataset._model.scaleZero.x).toBeCloseToPixel(256);
expect(meta.dataset._model.scaleZero.y).toBeCloseToPixel(272);
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,
tension: 0.1,
}));
[
{ x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
{ x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
{ x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
{ x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
].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: 133, cppx: 246, cppy: 133, cpnx: 272, cpny: 133 },
{ x: 464, y: 272, cppx: 464, cppy: 264, cpnx: 464, cpny: 278 },
{ x: 256, y: 272, cppx: 276.9, cppy: 272, cpnx: 250.4, cpny: 272 },
{ x: 200, y: 272, cppx: 200, cppy: 275, cpnx: 200, cpny: 261 },
].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].tension = 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.scaleTop).toBeCloseToPixel(32);
expect(meta.dataset._model.scaleBottom).toBeCloseToPixel(512);
expect(meta.dataset._model.scaleZero.x).toBeCloseToPixel(256);
expect(meta.dataset._model.scaleZero.y).toBeCloseToPixel(272);
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,
tension: 0,
}));
// Since tension is now 0, we don't care about the control points
[
{ x: 256, y: 133 },
{ x: 464, y: 272 },
{ x: 256, y: 272 },
{ x: 200, y: 272 },
].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 = {
tension: 0.25,
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.scaleTop).toBeCloseToPixel(32);
expect(meta.dataset._model.scaleBottom).toBeCloseToPixel(512);
expect(meta.dataset._model.scaleZero.x).toBeCloseToPixel(256);
expect(meta.dataset._model.scaleZero.y).toBeCloseToPixel(272);
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,
tension: 0.25,
}));
expect(meta.data[0]._model.x).toBeCloseToPixel(256);
expect(meta.data[0]._model.y).toBeCloseToPixel(133);
expect(meta.data[0]._model.controlPointPreviousX).toBeCloseToPixel(241);
expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(133);
expect(meta.data[0]._model.controlPointNextX).toBeCloseToPixel(281);
expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(133);
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,
}));
});
it('should set point hover styles', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4]
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
showLines: true,
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,
skipNull: true,
tension: 0.1,
},
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);
meta.controller.update(); // reset first
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(4);
// Can set hover style per dataset
chart.data.datasets[0].pointHoverRadius = 3.3;
chart.data.datasets[0].pointHoverBackgroundColor = 'rgb(77, 79, 81)';
chart.data.datasets[0].pointHoverBorderColor = 'rgb(123, 125, 127)';
chart.data.datasets[0].pointHoverBorderWidth = 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(3.3);
// 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: 'radar',
data: {
datasets: [{
data: [10, 15, 0, 4]
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
showLines: true,
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,
skipNull: true,
tension: 0.1,
},
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);
meta.controller.update(); // reset first
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(1.01);
// Can set hover style per dataset
chart.data.datasets[0].radius = 3.3;
chart.data.datasets[0].pointBackgroundColor = 'rgb(77, 79, 81)';
chart.data.datasets[0].pointBorderColor = 'rgb(123, 125, 127)';
chart.data.datasets[0].pointBorderWidth = 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(3.3);
// 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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