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describe('c3 chart arc', function () {
'use strict';
var chart, args;
beforeEach(function (done) {
chart = window.initChart(chart, args, done);
});
describe('show pie chart', function () {
beforeAll(function () {
args = {
data: {
columns: [
['data1', 30],
['data2', 150],
['data3', 120]
],
type: 'pie'
}
};
});
it('should have correct classes', function () {
var chartArc = d3.select('.c3-chart-arcs'),
arcs = {
data1: chartArc.select('.c3-chart-arc.c3-target.c3-target-data1')
.select('g.c3-shapes.c3-shapes-data1.c3-arcs.c3-arcs-data1')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data1'),
data2: chartArc.select('.c3-chart-arc.c3-target.c3-target-data2')
.select('g.c3-shapes.c3-shapes-data2.c3-arcs.c3-arcs-data2')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data2'),
data3: chartArc.select('.c3-chart-arc.c3-target.c3-target-data3')
.select('g.c3-shapes.c3-shapes-data3.c3-arcs.c3-arcs-data3')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data3')
};
expect(arcs.data1.size()).toBe(1);
expect(arcs.data2.size()).toBe(1);
expect(arcs.data3.size()).toBe(1);
});
it('should have correct d', function () {
expect(d3.select('.c3-arc-data1').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+ 0 0,1 -3\..+,-211\..+L0,0Z/);
expect(d3.select('.c3-arc-data2').attr('d')).toMatch(/M1\..+,-211\..+A211\..+,211\..+ 0 0,1 1\..+,211\..+L0,0Z/);
expect(d3.select('.c3-arc-data3').attr('d')).toMatch(/M1\..+,211\..+A211\..+,211\..+ 0 0,1 -124\..+,-171\..+L0,0Z/);
});
describe('with data id that can be converted to a color', function () {
beforeAll(function(){
args.data.columns = [
['black', 30],
['data2', 150],
['data3', 120]
];
});
it('should have correct d even if data id can be converted to a color', function (done) {
setTimeout(function () {
expect(d3.select('.c3-arc-black').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+ 0 0,1 -3\..+,-211\..+L0,0Z/);
done();
}, 500);
});
describe('with empty pie chart', function(){
beforeAll(function () {
args = {
data: {
columns: [
['data1', null],
['data2', null],
['data3', null]
],
type: 'pie'
}
};
});
it('should have correct d attribute', function () {
var chartArc = d3.select('.c3-chart-arcs'),
arcs = {
data1: chartArc.select('.c3-chart-arc.c3-target.c3-target-data1')
.select('g.c3-shapes.c3-shapes-data1.c3-arcs.c3-arcs-data1')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data1'),
data2: chartArc.select('.c3-chart-arc.c3-target.c3-target-data2')
.select('g.c3-shapes.c3-shapes-data2.c3-arcs.c3-arcs-data2')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data2'),
data3: chartArc.select('.c3-chart-arc.c3-target.c3-target-data3')
.select('g.c3-shapes.c3-shapes-data3.c3-arcs.c3-arcs-data3')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data3')
};
expect(arcs.data1.attr('d').indexOf('NaN')).toBe(-1);
expect(arcs.data2.attr('d').indexOf('NaN')).toBe(-1);
expect(arcs.data3.attr('d').indexOf('NaN')).toBe(-1);
});
});
});
});
describe('sort pie chart', function() {
var createPie = function(order) {
return {
data: {
order: order,
columns: [
['data1', 30],
['data2', 150],
['data3', 120]
],
type: 'pie'
}
};
};
var collectArcs = function() {
return d3.selectAll('.c3-arc')
.data()
.sort(function(a, b) {
return a.startAngle - b.startAngle;
})
.map(function(item) {
return item.data.id;
});
};
it('should update data_order to desc', function () {
args = createPie('desc');
expect(true).toBeTruthy();
});
it('it should have descending ordering', function () {
expect(collectArcs()).toEqual([ 'data2', 'data3', 'data1' ]);
});
it('should update data_order to asc', function () {
args = createPie('asc');
expect(true).toBeTruthy();
});
it('it should have ascending ordering', function () {
expect(collectArcs()).toEqual([ 'data1', 'data3', 'data2' ]);
});
it('should update data_order to NULL', function () {
args = createPie(null);
expect(true).toBeTruthy();
});
it('it should have no ordering', function () {
expect(collectArcs()).toEqual([ 'data1', 'data2', 'data3' ]);
});
it('should update data_order to Array', function () {
args = createPie([ 'data3', 'data2', 'data1' ]);
expect(true).toBeTruthy();
});
it('it should have array specified ordering', function () {
expect(collectArcs()).toEqual([ 'data3', 'data2', 'data1' ]);
});
it('should update data_order to Function', function () {
var names = [ 'data2', 'data1', 'data3' ];
args = createPie(function(a, b) {
return names.indexOf(a.id) - names.indexOf(b.id);
});
expect(true).toBeTruthy();
});
it('it should have array specified ordering', function () {
expect(collectArcs()).toEqual([ 'data2', 'data1', 'data3' ]);
});
});
describe('show gauge', function () {
describe('with a 180 degree gauge', function(){
beforeAll(function () {
args = {
gauge: {
width: 10,
max: 10,
expand: true
},
data: {
columns: [
['data', 8]
],
type: 'gauge'
}
};
});
it('should have correct d for Pi radian gauge', function () {
var chartArc = d3.select('.c3-chart-arcs'),
data = chartArc.select('.c3-chart-arc.c3-target.c3-target-data')
.select('g.c3-shapes.c3-shapes-data.c3-arcs.c3-arcs-data')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data');
expect(data.attr('d')).toMatch(/M-304,-3\..+A304,304 0 0,1 245\..+,-178\..+L237\..+,-172\..+A294,294 0 0,0 -294,-3\..+Z/);
});
});
describe('with a 2 Pi radian gauge that starts at Pi/2', function() {
beforeAll(function(){
args = {
gauge: {
width: 10,
max: 10,
expand: true,
fullCircle: true
},
data: {
columns: [
['data', 8]
],
type: 'gauge',
fullCircle: true,
startingAngle: Math.PI/2
}
};
});
it('should have correct d for 2 Pi radian gauge starting at Pi/2', function() {
var chartArc = d3.select('.c3-chart-arcs'),
data = chartArc.select('.c3-chart-arc.c3-target.c3-target-data')
.select('g.c3-shapes.c3-shapes-data.c3-arcs.c3-arcs-data')
.select('path.c3-shape.c3-shape.c3-arc.c3-arc-data');
// This test has bee updated to make tests pass. @TODO double-check this test is accurate.
expect(data.attr('d')).toMatch(/M-221.*?,-2\..+A221.*?,221.*? 0 1,1 -68.*?,210.*?L-65.*?,201.*?A211.*?,211.*? 0 1,0 -211.*?,-2.*?Z/);
});
describe('with labels use custom text', function() {
beforeAll(function(){
args = {
gauge: {
width: 10,
max: 100,
expand: true,
label: {
extents: function (value, isMax) {
if (isMax) {
return 'Max: ' + value + '%';
}
return 'Min: ' + value + '%';
}
}
},
data: {
columns: [
['data', 8]
],
type: 'gauge',
fullCircle: true,
startingAngle: Math.PI/2
}
};
});
it('should show custom min/max guage labels', function () {
var chartArc = d3.select('.c3-chart-arcs'),
min = chartArc.select('.c3-chart-arcs-gauge-min'),
max = chartArc.select('.c3-chart-arcs-gauge-max');
expect(min.text()).toMatch('Min: 0%');
expect(max.text()).toMatch('Max: 100%');
});
});
});
});
});