Quite good looking graph derived from d3.js http://c3js.org
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var describe = window.describe,
expect = window.expect,
it = window.it,
beforeEach = window.beforeEach;
describe('c3 chart types', function () {
'use strict';
var chart, d3;
var args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25],
['data3', 150, 120, 110, 140, 115, 125]
],
type: 'pie'
}
};
beforeEach(function (done) {
chart = window.initChart(chart, args, done);
d3 = chart.internal.d3;
});
describe('internal.hasArcType', function () {
describe('with data', function () {
it('should return true', function () {
expect(chart.internal.hasArcType()).toBeTruthy();
});
it('should change chart type to "bar"', function () {
args.data.type = 'bar';
expect(true).toBeTruthy();
});
it('should return false', function () {
expect(chart.internal.hasArcType()).toBeFalsy();
});
});
describe('with empty data', function () {
it('should update args to have empty data', function () {
args = {
data: {
columns: [],
type: 'pie'
}
};
expect(true).toBeTruthy();
});
it('should return true', function () {
expect(chart.internal.hasArcType()).toBeTruthy();
});
it('should change chart type to "bar"', function () {
args.data.type = 'bar';
expect(true).toBeTruthy();
});
it('should return false', function () {
expect(chart.internal.hasArcType()).toBeFalsy();
});
});
});
describe('internal.hasType', function () {
it('should update args', function () {
args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25],
['data3', 150, 120, 110, 140, 115, 125]
],
type: 'pie'
}
};
expect(true).toBeTruthy();
});
it('should return true for "pie" type', function () {
expect(chart.internal.hasType('pie')).toBeTruthy();
});
it('should return false for "line" type', function () {
expect(chart.internal.hasType('line')).toBeFalsy();
});
it('should return false for "bar" type', function () {
expect(chart.internal.hasType('bar')).toBeFalsy();
});
it('should unload successfully', function () {
chart.unload([]);
expect(true).toBeTruthy();
});
it('should return true for "pie" type even if no data', function () {
expect(chart.internal.hasType('pie')).toBeTruthy();
});
it('should return false for "line" type even if no data', function () {
expect(chart.internal.hasType('line')).toBeFalsy();
});
it('should return false for "bar" type even if no data', function () {
expect(chart.internal.hasType('bar')).toBeFalsy();
});
it('should change chart type to "bar" successfully', function () {
args.data.type = 'bar';
expect(true).toBeTruthy();
});
it('should return false for "pie" type even if no data', function () {
expect(chart.internal.hasType('pie')).toBeFalsy();
});
it('should return false for "line" type even if no data', function () {
expect(chart.internal.hasType('line')).toBeFalsy();
});
it('should return true for "bar" type even if no data', function () {
expect(chart.internal.hasType('bar')).toBeTruthy();
});
});
});