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 legend', function () {
'use strict';
var chart, d3;
var args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25]
]
}
};
beforeEach(function (done) {
if (typeof chart === 'undefined') {
window.initDom();
}
chart = window.c3.generate(args);
d3 = chart.internal.d3;
chart.internal.d3.select('.jasmine_html-reporter')
.style('position', 'absolute')
.style('right', 0);
window.setTimeout(function () {
done();
}, 10);
});
describe('legend position', function () {
it('should be located on the center of chart', function () {
var box = chart.internal.legend.node().getBoundingClientRect();
expect(box.left + box.right).toBe(640);
});
});
describe('legend as inset', function () {
it('should change the legend to "inset" successfully', function () {
args.legend = {
position: 'inset',
inset: {
step: null
}
};
expect(true).toBeTruthy();
});
it('should be positioned properly', function () {
var box = d3.select('.c3-legend-background').node().getBoundingClientRect();
expect(box.top).toBe(5.5);
expect(box.left).toBe(60.5);
});
it('should have automatically calculated height', function () {
var box = d3.select('.c3-legend-background').node().getBoundingClientRect();
expect(box.height).toBe(48);
});
it('should change the legend step to 1 successfully', function () {
args.legend.inset.step = 1;
expect(true).toBeTruthy();
});
it('should have automatically calculated height', function () {
var box = d3.select('.c3-legend-background').node().getBoundingClientRect();
expect(box.height).toBe(28);
});
it('should change the legend step to 2 successfully', function () {
args.legend.inset.step = 2;
expect(true).toBeTruthy();
});
it('should have automatically calculated height', function () {
var box = d3.select('.c3-legend-background').node().getBoundingClientRect();
expect(box.height).toBe(48);
});
it('should update args to have only one series', function () {
args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
]
},
legend: {
position: 'inset'
}
};
expect(true).toBeTruthy();
});
it('should locate legend properly', function () {
var box = d3.select('.c3-legend-background').node().getBoundingClientRect();
expect(box.height).toBe(28);
expect(box.width).toBeGreaterThan(64);
});
});
});