// Tests of the scale service
describe('Test the layout service', function() {
beforeEach(function() {
window.addDefaultMatchers(jasmine);
});
afterEach(function() {
window.releaseAllCharts();
});
it('should fit a simple chart with 2 scales', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [
{ data: [10, 5, 0, 25, 78, -10] }
],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
},
options: {
scales: {
xAxes: [{
id: 'xScale',
type: 'category'
}],
yAxes: [{
id: 'yScale',
type: 'linear'
}]
}
}
}, {
height: '150px',
width: '250px'
});
expect(chart.chartArea.bottom).toBeCloseToPixel(112);
expect(chart.chartArea.left).toBeCloseToPixel(41);
expect(chart.chartArea.right).toBeCloseToPixel(250);
expect(chart.chartArea.top).toBeCloseToPixel(32);
// Is xScale at the right spot
expect(chart.scales.xScale.bottom).toBeCloseToPixel(150);
expect(chart.scales.xScale.left).toBeCloseToPixel(41);
expect(chart.scales.xScale.right).toBeCloseToPixel(250);
expect(chart.scales.xScale.top).toBeCloseToPixel(112);
expect(chart.scales.xScale.labelRotation).toBeCloseTo(25);
// Is yScale at the right spot
expect(chart.scales.yScale.bottom).toBeCloseToPixel(112);
expect(chart.scales.yScale.left).toBeCloseToPixel(0);
expect(chart.scales.yScale.right).toBeCloseToPixel(41);
expect(chart.scales.yScale.top).toBeCloseToPixel(32);
expect(chart.scales.yScale.labelRotation).toBeCloseTo(0);
});
it('should fit scales that are in the top and right positions', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [
{ data: [10, 5, 0, 25, 78, -10] }
],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
},
options: {
scales: {
xAxes: [{
id: 'xScale',
type: 'category',
position: 'top'
}],
yAxes: [{
id: 'yScale',
type: 'linear',
position: 'right'
}]
}
}
}, {
height: '150px',
width: '250px'
});
expect(chart.chartArea.bottom).toBeCloseToPixel(150);
expect(chart.chartArea.left).toBeCloseToPixel(0);
expect(chart.chartArea.right).toBeCloseToPixel(209);
expect(chart.chartArea.top).toBeCloseToPixel(71);
// Is xScale at the right spot
expect(chart.scales.xScale.bottom).toBeCloseToPixel(71);
expect(chart.scales.xScale.left).toBeCloseToPixel(0);
expect(chart.scales.xScale.right).toBeCloseToPixel(209);
expect(chart.scales.xScale.top).toBeCloseToPixel(32);
expect(chart.scales.xScale.labelRotation).toBeCloseTo(25);
// Is yScale at the right spot
expect(chart.scales.yScale.bottom).toBeCloseToPixel(150);
expect(chart.scales.yScale.left).toBeCloseToPixel(209);
expect(chart.scales.yScale.right).toBeCloseToPixel(250);
expect(chart.scales.yScale.top).toBeCloseToPixel(71);
expect(chart.scales.yScale.labelRotation).toBeCloseTo(0);
});
it('should fit scales that overlap the chart area', function() {
var chart = window.acquireChart({
type: 'radar',
data: {
datasets: [{
data: [10, 5, 0, 25, 78, -10]
}, {
data: [-19, -20, 0, -99, -50, 0]
}],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
}
});
expect(chart.chartArea.bottom).toBeCloseToPixel(512);
expect(chart.chartArea.left).toBeCloseToPixel(0);
expect(chart.chartArea.right).toBeCloseToPixel(512);
expect(chart.chartArea.top).toBeCloseToPixel(32);
expect(chart.scale.bottom).toBeCloseToPixel(512);
expect(chart.scale.left).toBeCloseToPixel(0);
expect(chart.scale.right).toBeCloseToPixel(512);
expect(chart.scale.top).toBeCloseToPixel(32);
expect(chart.scale.width).toBeCloseToPixel(512);
expect(chart.scale.height).toBeCloseToPixel(480)
});
it('should fit multiple axes in the same position', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'yScale1',
data: [10, 5, 0, 25, 78, -10]
}, {
yAxisID: 'yScale2',
data: [-19, -20, 0, -99, -50, 0]
}],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
},
options: {
scales: {
xAxes: [{
id: 'xScale',
type: 'category'
}],
yAxes: [{
id: 'yScale1',
type: 'linear'
}, {
id: 'yScale2',
type: 'linear'
}]
}
}
}, {
height: '150px',
width: '250px'
});
expect(chart.chartArea.bottom).toBeCloseToPixel(102);
expect(chart.chartArea.left).toBeCloseToPixel(86);
expect(chart.chartArea.right).toBeCloseToPixel(250);
expect(chart.chartArea.top).toBeCloseToPixel(32);
// Is xScale at the right spot
expect(chart.scales.xScale.bottom).toBeCloseToPixel(150);
expect(chart.scales.xScale.left).toBeCloseToPixel(86);
expect(chart.scales.xScale.right).toBeCloseToPixel(250);
expect(chart.scales.xScale.top).toBeCloseToPixel(103);
expect(chart.scales.xScale.labelRotation).toBeCloseTo(50);
// Are yScales at the right spot
expect(chart.scales.yScale1.bottom).toBeCloseToPixel(102);
expect(chart.scales.yScale1.left).toBeCloseToPixel(0);
expect(chart.scales.yScale1.right).toBeCloseToPixel(41);
expect(chart.scales.yScale1.top).toBeCloseToPixel(32);
expect(chart.scales.yScale1.labelRotation).toBeCloseTo(0);
expect(chart.scales.yScale2.bottom).toBeCloseToPixel(102);
expect(chart.scales.yScale2.left).toBeCloseToPixel(41);
expect(chart.scales.yScale2.right).toBeCloseToPixel(86);
expect(chart.scales.yScale2.top).toBeCloseToPixel(32);
expect(chart.scales.yScale2.labelRotation).toBeCloseTo(0);
});
it ('should fix a full width box correctly', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
xAxisID: 'xScale1',
data: [10, 5, 0, 25, 78, -10]
}, {
xAxisID: 'xScale2',
data: [-19, -20, 0, -99, -50, 0]
}],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
},
options: {
scales: {
xAxes: [{
id: 'xScale1',
type: 'category'
}, {
id: 'xScale2',
type: 'category',
position: 'top',
fullWidth: true
}],
yAxes: [{
id: 'yScale',
type: 'linear'
}]
}
}
});
expect(chart.chartArea.bottom).toBeCloseToPixel(484);
expect(chart.chartArea.left).toBeCloseToPixel(45);
expect(chart.chartArea.right).toBeCloseToPixel(512);
expect(chart.chartArea.top).toBeCloseToPixel(60);
// Are xScales at the right spot
expect(chart.scales.xScale1.bottom).toBeCloseToPixel(512);
expect(chart.scales.xScale1.left).toBeCloseToPixel(45);
expect(chart.scales.xScale1.right).toBeCloseToPixel(512);
expect(chart.scales.xScale1.top).toBeCloseToPixel(484);
expect(chart.scales.xScale2.bottom).toBeCloseToPixel(28);
expect(chart.scales.xScale2.left).toBeCloseToPixel(0);
expect(chart.scales.xScale2.right).toBeCloseToPixel(512);
expect(chart.scales.xScale2.top).toBeCloseToPixel(0);
// Is yScale at the right spot
expect(chart.scales.yScale.bottom).toBeCloseToPixel(484);
expect(chart.scales.yScale.left).toBeCloseToPixel(0);
expect(chart.scales.yScale.right).toBeCloseToPixel(45);
expect(chart.scales.yScale.top).toBeCloseToPixel(60);
});
});
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