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global.defaults.tests.js
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global.defaults.tests.js
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describe('Default Configs', function() {
describe('Bubble Chart', function() {
it('should return correct tooltip strings', function() {
var config = Chart.defaults.bubble;
var chart = window.acquireChart({
type: 'bubble',
data: {
datasets: [{
label: 'My dataset',
data: [{
x: 10,
y: 12,
r: 5
}]
}]
},
options: config
});
// fake out the tooltip hover and force the tooltip to update
chart.tooltip._active = [chart.getDatasetMeta(0).data[0]];
chart.tooltip.update();
// Title is always blank
expect(chart.tooltip._model.title).toEqual([]);
expect(chart.tooltip._model.body).toEqual([{
before: [],
lines: ['My dataset: (10, 12, 5)'],
after: []
}]);
});
});
describe('Doughnut Chart', function() {
it('should return correct tooltip strings', function() {
var config = Chart.defaults.doughnut;
var chart = window.acquireChart({
type: 'doughnut',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, 30],
}]
},
options: config
});
// fake out the tooltip hover and force the tooltip to update
chart.tooltip._active = [chart.getDatasetMeta(0).data[1]];
chart.tooltip.update();
// Title is always blank
expect(chart.tooltip._model.title).toEqual([]);
expect(chart.tooltip._model.body).toEqual([{
before: [],
lines: ['label2: 20'],
after: []
}]);
});
it('should return correct tooltip string for a multiline label', function() {
var config = Chart.defaults.doughnut;
var chart = window.acquireChart({
type: 'doughnut',
data: {
labels: ['label1', ['row1', 'row2', 'row3'], 'label3'],
datasets: [{
data: [10, 20, 30],
}]
},
options: config
});
// fake out the tooltip hover and force the tooltip to update
chart.tooltip._active = [chart.getDatasetMeta(0).data[1]];
chart.tooltip.update();
// Title is always blank
expect(chart.tooltip._model.title).toEqual([]);
expect(chart.tooltip._model.body).toEqual([{
before: [],
lines: [
'row1: 20',
'row2',
'row3'
],
after: []
}]);
});
it('should return the correct html legend', function() {
var config = Chart.defaults.doughnut;
var chart = window.acquireChart({
type: 'doughnut',
data: {
labels: ['label1', 'label2'],
datasets: [{
data: [10, 20],
backgroundColor: ['red', 'green']
}]
},
options: config
});
var expectedLegend = '<ul class="' + chart.id + '-legend"><li><span style="background-color:red"></span>label1</li><li><span style="background-color:green"></span>label2</li></ul>';
expect(chart.generateLegend()).toBe(expectedLegend);
});
it('should return correct legend label objects', function() {
var config = Chart.defaults.doughnut;
var chart = window.acquireChart({
type: 'doughnut',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, NaN],
backgroundColor: ['red', 'green', 'blue'],
borderWidth: 2,
borderColor: '#000'
}]
},
options: config
});
var expected = [{
text: 'label1',
fillStyle: 'red',
hidden: false,
index: 0,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}, {
text: 'label2',
fillStyle: 'green',
hidden: false,
index: 1,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}, {
text: 'label3',
fillStyle: 'blue',
hidden: true,
index: 2,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}];
expect(chart.legend.legendItems).toEqual(expected);
});
it('should hide the correct arc when a legend item is clicked', function() {
var config = Chart.defaults.doughnut;
var chart = window.acquireChart({
type: 'doughnut',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, NaN],
backgroundColor: ['red', 'green', 'blue'],
borderWidth: 2,
borderColor: '#000'
}]
},
options: config
});
var meta = chart.getDatasetMeta(0);
spyOn(chart, 'update').and.callThrough();
var legendItem = chart.legend.legendItems[0];
config.legend.onClick.call(chart.legend, null, legendItem);
expect(meta.data[0].hidden).toBe(true);
expect(chart.update).toHaveBeenCalled();
config.legend.onClick.call(chart.legend, null, legendItem);
expect(meta.data[0].hidden).toBe(false);
});
});
describe('Polar Area Chart', function() {
it('should return correct tooltip strings', function() {
var config = Chart.defaults.polarArea;
var chart = window.acquireChart({
type: 'polarArea',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, 30],
}]
},
options: config
});
// fake out the tooltip hover and force the tooltip to update
chart.tooltip._active = [chart.getDatasetMeta(0).data[1]];
chart.tooltip.update();
// Title is always blank
expect(chart.tooltip._model.title).toEqual([]);
expect(chart.tooltip._model.body).toEqual([{
before: [],
lines: ['label2: 20'],
after: []
}]);
});
it('should return the correct html legend', function() {
var config = Chart.defaults.polarArea;
var chart = window.acquireChart({
type: 'polarArea',
data: {
labels: ['label1', 'label2'],
datasets: [{
data: [10, 20],
backgroundColor: ['red', 'green']
}]
},
options: config
});
var expectedLegend = '<ul class="' + chart.id + '-legend"><li><span style="background-color:red"></span>label1</li><li><span style="background-color:green"></span>label2</li></ul>';
expect(chart.generateLegend()).toBe(expectedLegend);
});
it('should return correct legend label objects', function() {
var config = Chart.defaults.polarArea;
var chart = window.acquireChart({
type: 'polarArea',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, NaN],
backgroundColor: ['red', 'green', 'blue'],
borderWidth: 2,
borderColor: '#000'
}]
},
options: config
});
var expected = [{
text: 'label1',
fillStyle: 'red',
hidden: false,
index: 0,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}, {
text: 'label2',
fillStyle: 'green',
hidden: false,
index: 1,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}, {
text: 'label3',
fillStyle: 'blue',
hidden: true,
index: 2,
strokeStyle: '#000',
lineWidth: 2,
style: undefined
}];
expect(chart.legend.legendItems).toEqual(expected);
});
it('should hide the correct arc when a legend item is clicked', function() {
var config = Chart.defaults.polarArea;
var chart = window.acquireChart({
type: 'polarArea',
data: {
labels: ['label1', 'label2', 'label3'],
datasets: [{
data: [10, 20, NaN],
backgroundColor: ['red', 'green', 'blue'],
borderWidth: 2,
borderColor: '#000'
}]
},
options: config
});
var meta = chart.getDatasetMeta(0);
spyOn(chart, 'update').and.callThrough();
var legendItem = chart.legend.legendItems[0];
config.legend.onClick.call(chart.legend, null, legendItem);
expect(meta.data[0].hidden).toBe(true);
expect(chart.update).toHaveBeenCalled();
config.legend.onClick.call(chart.legend, null, legendItem);
expect(meta.data[0].hidden).toBe(false);
});
});
});