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| Viewing file: Select action/file-type: describe('Chart.controllers.bar', function() {
it('should be constructed', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.type).toEqual('bar');
expect(meta.data).toEqual([]);
expect(meta.hidden).toBe(null);
expect(meta.controller).not.toBe(undefined);
expect(meta.controller.index).toBe(1);
expect(meta.xAxisID).not.toBe(null);
expect(meta.yAxisID).not.toBe(null);
meta.controller.updateIndex(0);
expect(meta.controller.index).toBe(0);
});
it('should use the first scale IDs if the dataset does not specify them', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
id: 'firstXScaleID'
}],
yAxes: [{
id: 'firstYScaleID'
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.xAxisID).toBe('firstXScaleID');
expect(meta.yAxisID).toBe('firstYScaleID');
});
it('should correctly count the number of stacks ignoring datasets of other types and hidden datasets', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], type: 'line'},
{data: [], hidden: true},
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackCount()).toBe(2);
});
});
it('should correctly count the number of stacks when a group is not specified', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackCount()).toBe(4);
});
});
it('should correctly count the number of stacks when a group is not specified and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackCount()).toBe(1);
});
});
it('should correctly count the number of stacks when a group is not specified and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackCount()).toBe(4);
});
});
it('should correctly count the number of stacks when a group is specified for some', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(3);
});
});
it('should correctly count the number of stacks when a group is specified for some and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(2);
});
});
it('should correctly count the number of stacks when a group is specified for some and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(4);
});
});
it('should correctly count the number of stacks when a group is specified for all', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(2);
});
});
it('should correctly count the number of stacks when a group is specified for all and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(2);
});
});
it('should correctly count the number of stacks when a group is specified for all and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(3);
expect(meta.controller.getStackCount()).toBe(4);
});
});
it('should correctly get the stack index accounting for datasets of other types and hidden datasets', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: [], hidden: true},
{data: [], type: 'line'},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(3)).toBe(1);
});
});
it('should correctly get the stack index when a group is not specified', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(1);
expect(meta.controller.getStackIndex(2)).toBe(2);
expect(meta.controller.getStackIndex(3)).toBe(3);
});
});
it('should correctly get the stack index when a group is not specified and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(0);
expect(meta.controller.getStackIndex(2)).toBe(0);
expect(meta.controller.getStackIndex(3)).toBe(0);
});
});
it('should correctly get the stack index when a group is not specified and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: []},
{data: []},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(1);
expect(meta.controller.getStackIndex(2)).toBe(2);
expect(meta.controller.getStackIndex(3)).toBe(3);
});
});
it('should correctly get the stack index when a group is specified for some', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(0);
expect(meta.controller.getStackIndex(2)).toBe(1);
expect(meta.controller.getStackIndex(3)).toBe(2);
});
});
it('should correctly get the stack index when a group is specified for some and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(0);
expect(meta.controller.getStackIndex(2)).toBe(1);
expect(meta.controller.getStackIndex(3)).toBe(1);
});
});
it('should correctly get the stack index when a group is specified for some and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: []},
{data: []}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(1);
expect(meta.controller.getStackIndex(2)).toBe(2);
expect(meta.controller.getStackIndex(3)).toBe(3);
});
});
it('should correctly get the stack index when a group is specified for all', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(0);
expect(meta.controller.getStackIndex(2)).toBe(1);
expect(meta.controller.getStackIndex(3)).toBe(1);
});
});
it('should correctly get the stack index when a group is specified for all and the scale is stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(0);
expect(meta.controller.getStackIndex(2)).toBe(1);
expect(meta.controller.getStackIndex(3)).toBe(1);
});
});
it('should correctly get the stack index when a group is specified for all and the scale is not stacked', function() {
[
'bar',
'horizontalBar'
].forEach(function(barType) {
var chart = window.acquireChart({
type: barType,
data: {
datasets: [
{data: [], stack: 'stack1'},
{data: [], stack: 'stack1'},
{data: [], stack: 'stack2'},
{data: [], stack: 'stack2'}
],
labels: []
},
options: {
scales: {
xAxes: [{
stacked: false
}],
yAxes: [{
stacked: false
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.controller.getStackIndex(0)).toBe(0);
expect(meta.controller.getStackIndex(1)).toBe(1);
expect(meta.controller.getStackIndex(2)).toBe(2);
expect(meta.controller.getStackIndex(3)).toBe(3);
});
});
it('should create rectangle elements for each data item during initialization', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [
{data: []},
{data: [10, 15, 0, -4]}
],
labels: []
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.data.length).toBe(4); // 4 rectangles created
expect(meta.data[0] instanceof Chart.elements.Rectangle).toBe(true);
expect(meta.data[1] instanceof Chart.elements.Rectangle).toBe(true);
expect(meta.data[2] instanceof Chart.elements.Rectangle).toBe(true);
expect(meta.data[3] instanceof Chart.elements.Rectangle).toBe(true);
});
it('should update elements when modifying data', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2],
label: 'dataset1'
}, {
data: [10, 15, 0, -4],
label: 'dataset2',
borderColor: 'blue'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
elements: {
rectangle: {
backgroundColor: 'red',
borderSkipped: 'top',
borderColor: 'green',
borderWidth: 2,
}
},
scales: {
xAxes: [{
id: 'firstXScaleID',
type: 'category',
display: false
}],
yAxes: [{
id: 'firstYScaleID',
type: 'linear',
display: false
}]
}
}
});
var meta = chart.getDatasetMeta(1);
expect(meta.data.length).toBe(4);
chart.data.datasets[1].data = [1, 2]; // remove 2 items
chart.data.datasets[1].borderWidth = 1;
chart.update();
expect(meta.data.length).toBe(2);
[
{x: 89, y: 512},
{x: 217, y: 0}
].forEach(function(expected, i) {
expect(meta.data[i]._datasetIndex).toBe(1);
expect(meta.data[i]._index).toBe(i);
expect(meta.data[i]._xScale).toBe(chart.scales.firstXScaleID);
expect(meta.data[i]._yScale).toBe(chart.scales.firstYScaleID);
expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
expect(meta.data[i]._model.base).toBeCloseToPixel(1024);
expect(meta.data[i]._model.width).toBeCloseToPixel(46);
expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
datasetLabel: chart.data.datasets[1].label,
label: chart.data.labels[i],
backgroundColor: 'red',
borderSkipped: 'top',
borderColor: 'blue',
borderWidth: 1
}));
});
chart.data.datasets[1].data = [1, 2, 3]; // add 1 items
chart.update();
expect(meta.data.length).toBe(3); // should add a new meta data item
});
it('should get the correct bar points when datasets of different types exist', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2],
label: 'dataset1'
}, {
type: 'line',
data: [4, 6],
label: 'dataset2'
}, {
data: [8, 10],
label: 'dataset3'
}],
labels: ['label1', 'label2']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false
}]
}
}
});
var meta = chart.getDatasetMeta(2);
expect(meta.data.length).toBe(2);
var bar1 = meta.data[0];
var bar2 = meta.data[1];
expect(bar1._model.x).toBeCloseToPixel(179);
expect(bar1._model.y).toBeCloseToPixel(114);
expect(bar2._model.x).toBeCloseToPixel(435);
expect(bar2._model.y).toBeCloseToPixel(0);
});
it('should update elements when the scales are stacked', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [10, -10, 10, -10],
label: 'dataset1'
}, {
data: [10, 15, 0, -4],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 293, w: 92 / 2, x: 38, y: 146},
{b: 293, w: 92 / 2, x: 166, y: 439},
{b: 293, w: 92 / 2, x: 295, y: 146},
{b: 293, w: 92 / 2, x: 422, y: 439}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta1 = chart.getDatasetMeta(1);
[
{b: 146, w: 92 / 2, x: 89, y: 0},
{b: 293, w: 92 / 2, x: 217, y: 73},
{b: 146, w: 92 / 2, x: 345, y: 146},
{b: 439, w: 92 / 2, x: 473, y: 497}
].forEach(function(values, i) {
expect(meta1.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta1.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta1.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta1.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should update elements when the scales are stacked and the y axis has a user defined minimum', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [50, 20, 10, 100],
label: 'dataset1'
}, {
data: [50, 80, 90, 0],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true,
ticks: {
min: 50,
max: 100
}
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 1024, w: 92 / 2, x: 38, y: 512},
{b: 1024, w: 92 / 2, x: 166, y: 819},
{b: 1024, w: 92 / 2, x: 294, y: 922},
{b: 1024, w: 92 / 2, x: 422.5, y: 0}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta1 = chart.getDatasetMeta(1);
[
{b: 512, w: 92 / 2, x: 89, y: 0},
{b: 819, w: 92 / 2, x: 217, y: 0},
{b: 922, w: 92 / 2, x: 345, y: 0},
{b: 0, w: 92 / 2, x: 473.5, y: 0}
].forEach(function(values, i) {
expect(meta1.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta1.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta1.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta1.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should update elements when only the category scale is stacked', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [20, -10, 10, -10],
label: 'dataset1'
}, {
data: [10, 15, 0, -14],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false,
stacked: true
}],
yAxes: [{
type: 'linear',
display: false
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 293, w: 92, x: 64, y: 0},
{b: 293, w: 92, x: 192, y: 439},
{b: 293, w: 92, x: 320, y: 146},
{b: 293, w: 92, x: 448, y: 439}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta1 = chart.getDatasetMeta(1);
[
{b: 293, w: 92, x: 64, y: 146},
{b: 293, w: 92, x: 192, y: 73},
{b: 293, w: 92, x: 320, y: 293},
{b: 293, w: 92, x: 448, y: 497}
].forEach(function(values, i) {
expect(meta1.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta1.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta1.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta1.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should update elements when the scales are stacked and data is strings', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: ['10', '-10', '10', '-10'],
label: 'dataset1'
}, {
data: ['10', '15', '0', '-4'],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 293, w: 92 / 2, x: 38, y: 146},
{b: 293, w: 92 / 2, x: 166, y: 439},
{b: 293, w: 92 / 2, x: 295, y: 146},
{b: 293, w: 92 / 2, x: 422, y: 439}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta1 = chart.getDatasetMeta(1);
[
{b: 146, w: 92 / 2, x: 89, y: 0},
{b: 293, w: 92 / 2, x: 217, y: 73},
{b: 146, w: 92 / 2, x: 345, y: 146},
{b: 439, w: 92 / 2, x: 473, y: 497}
].forEach(function(values, i) {
expect(meta1.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta1.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta1.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta1.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should get the correct bar points for grouped stacked chart if the group name is same', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [10, -10, 10, -10],
label: 'dataset1',
stack: 'stack1'
}, {
data: [10, 15, 0, -4],
label: 'dataset2',
stack: 'stack1'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 293, w: 92, x: 64, y: 146},
{b: 293, w: 92, x: 192, y: 439},
{b: 293, w: 92, x: 320, y: 146},
{b: 293, w: 92, x: 448, y: 439}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta = chart.getDatasetMeta(1);
[
{b: 146, w: 92, x: 64, y: 0},
{b: 293, w: 92, x: 192, y: 73},
{b: 146, w: 92, x: 320, y: 146},
{b: 439, w: 92, x: 448, y: 497}
].forEach(function(values, i) {
expect(meta.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should get the correct bar points for grouped stacked chart if the group name is different', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2],
stack: 'stack1'
}, {
data: [1, 2],
stack: 'stack2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true,
}]
}
}
});
var meta = chart.getDatasetMeta(1);
[
{x: 89, y: 256},
{x: 217, y: 0}
].forEach(function(values, i) {
expect(meta.data[i]._model.base).toBeCloseToPixel(512);
expect(meta.data[i]._model.width).toBeCloseToPixel(46);
expect(meta.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should get the correct bar points for grouped stacked chart', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2],
stack: 'stack1'
}, {
data: [0.5, 1],
stack: 'stack2'
}, {
data: [0.5, 1],
stack: 'stack2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false
}],
yAxes: [{
type: 'linear',
display: false,
stacked: true
}]
}
}
});
var meta = chart.getDatasetMeta(2);
[
{b: 384, x: 89, y: 256},
{b: 256, x: 217, y: 0}
].forEach(function(values, i) {
expect(meta.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta.data[i]._model.width).toBeCloseToPixel(46);
expect(meta.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should update elements when the scales are stacked and the y axis is logarithmic', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [10, 100, 10, 100],
label: 'dataset1'
}, {
data: [100, 10, 0, 100],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
type: 'category',
display: false,
stacked: true,
barPercentage: 1,
}],
yAxes: [{
type: 'logarithmic',
display: false,
stacked: true
}]
}
}
});
var meta0 = chart.getDatasetMeta(0);
[
{b: 512, w: 102, x: 64, y: 512},
{b: 512, w: 102, x: 192, y: 118},
{b: 512, w: 102, x: 320, y: 512},
{b: 512, w: 102, x: 449, y: 118}
].forEach(function(values, i) {
expect(meta0.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta0.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta0.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta0.data[i]._model.y).toBeCloseToPixel(values.y);
});
var meta1 = chart.getDatasetMeta(1);
[
{b: 512, w: 102, x: 64, y: 102},
{b: 118, w: 102, x: 192, y: 102},
{b: 512, w: 102, x: 320, y: 512},
{b: 118, w: 102, x: 449, y: 0}
].forEach(function(values, i) {
expect(meta1.data[i]._model.base).toBeCloseToPixel(values.b);
expect(meta1.data[i]._model.width).toBeCloseToPixel(values.w);
expect(meta1.data[i]._model.x).toBeCloseToPixel(values.x);
expect(meta1.data[i]._model.y).toBeCloseToPixel(values.y);
});
});
it('should draw all bars', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [],
}, {
data: [10, 15, 0, -4],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
}
});
var meta = chart.getDatasetMeta(1);
spyOn(meta.data[0], 'draw');
spyOn(meta.data[1], 'draw');
spyOn(meta.data[2], 'draw');
spyOn(meta.data[3], 'draw');
chart.update();
expect(meta.data[0].draw.calls.count()).toBe(1);
expect(meta.data[1].draw.calls.count()).toBe(1);
expect(meta.data[2].draw.calls.count()).toBe(1);
expect(meta.data[3].draw.calls.count()).toBe(1);
});
it('should set hover styles on rectangles', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [],
}, {
data: [10, 15, 0, -4],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
elements: {
rectangle: {
backgroundColor: 'rgb(255, 0, 0)',
borderColor: 'rgb(0, 0, 255)',
borderWidth: 2,
}
}
}
});
var meta = chart.getDatasetMeta(1);
var bar = meta.data[0];
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(230, 0, 0)');
expect(bar._model.borderColor).toBe('rgb(0, 0, 230)');
expect(bar._model.borderWidth).toBe(2);
// Set a dataset style
chart.data.datasets[1].hoverBackgroundColor = 'rgb(128, 128, 128)';
chart.data.datasets[1].hoverBorderColor = 'rgb(0, 0, 0)';
chart.data.datasets[1].hoverBorderWidth = 5;
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(128, 128, 128)');
expect(bar._model.borderColor).toBe('rgb(0, 0, 0)');
expect(bar._model.borderWidth).toBe(5);
// Should work with array styles so that we can set per bar
chart.data.datasets[1].hoverBackgroundColor = ['rgb(255, 255, 255)', 'rgb(128, 128, 128)'];
chart.data.datasets[1].hoverBorderColor = ['rgb(9, 9, 9)', 'rgb(0, 0, 0)'];
chart.data.datasets[1].hoverBorderWidth = [2.5, 5];
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 255, 255)');
expect(bar._model.borderColor).toBe('rgb(9, 9, 9)');
expect(bar._model.borderWidth).toBe(2.5);
// Should allow a custom style
bar.custom = {
hoverBackgroundColor: 'rgb(255, 0, 0)',
hoverBorderColor: 'rgb(0, 255, 0)',
hoverBorderWidth: 1.5
};
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 0, 0)');
expect(bar._model.borderColor).toBe('rgb(0, 255, 0)');
expect(bar._model.borderWidth).toBe(1.5);
});
it('should remove a hover style from a bar', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [],
}, {
data: [10, 15, 0, -4],
label: 'dataset2'
}],
labels: ['label1', 'label2', 'label3', 'label4']
},
options: {
elements: {
rectangle: {
backgroundColor: 'rgb(255, 0, 0)',
borderColor: 'rgb(0, 0, 255)',
borderWidth: 2,
}
}
}
});
var meta = chart.getDatasetMeta(1);
var bar = meta.data[0];
// Change default
chart.options.elements.rectangle.backgroundColor = 'rgb(128, 128, 128)';
chart.options.elements.rectangle.borderColor = 'rgb(15, 15, 15)';
chart.options.elements.rectangle.borderWidth = 3.14;
// Remove to defaults
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(128, 128, 128)');
expect(bar._model.borderColor).toBe('rgb(15, 15, 15)');
expect(bar._model.borderWidth).toBe(3.14);
// Should work with array styles so that we can set per bar
chart.data.datasets[1].backgroundColor = ['rgb(255, 255, 255)', 'rgb(128, 128, 128)'];
chart.data.datasets[1].borderColor = ['rgb(9, 9, 9)', 'rgb(0, 0, 0)'];
chart.data.datasets[1].borderWidth = [2.5, 5];
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 255, 255)');
expect(bar._model.borderColor).toBe('rgb(9, 9, 9)');
expect(bar._model.borderWidth).toBe(2.5);
// Should allow a custom style
bar.custom = {
backgroundColor: 'rgb(255, 0, 0)',
borderColor: 'rgb(0, 255, 0)',
borderWidth: 1.5
};
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 0, 0)');
expect(bar._model.borderColor).toBe('rgb(0, 255, 0)');
expect(bar._model.borderWidth).toBe(1.5);
});
describe('Bar width', function() {
beforeEach(function() {
// 2 datasets
this.data = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
data: [10, 20, 30, 40, 50, 60, 70],
}, {
data: [10, 20, 30, 40, 50, 60, 70],
}]
};
});
afterEach(function() {
var chart = window.acquireChart(this.config);
var meta = chart.getDatasetMeta(0);
var xScale = chart.scales[meta.xAxisID];
var categoryPercentage = xScale.options.categoryPercentage;
var barPercentage = xScale.options.barPercentage;
var stacked = xScale.options.stacked;
var totalBarWidth = 0;
for (var i = 0; i < chart.data.datasets.length; i++) {
var bars = chart.getDatasetMeta(i).data;
for (var j = xScale.minIndex; j <= xScale.maxIndex; j++) {
totalBarWidth += bars[j]._model.width;
}
if (stacked) {
break;
}
}
var actualValue = totalBarWidth;
var expectedValue = xScale.width * categoryPercentage * barPercentage;
expect(actualValue).toBeCloseToPixel(expectedValue);
});
it('should correctly set bar width when min and max option is set.', function() {
this.config = {
type: 'bar',
data: this.data,
options: {
scales: {
xAxes: [{
ticks: {
min: 'March',
max: 'May',
},
}]
}
}
};
});
it('should correctly set bar width when scale are stacked with min and max options.', function() {
this.config = {
type: 'bar',
data: this.data,
options: {
scales: {
xAxes: [{
ticks: {
min: 'March',
max: 'May',
}
}],
yAxes: [{
stacked: true
}]
}
}
};
});
});
describe('Bar height (horizontalBar type)', function() {
beforeEach(function() {
// 2 datasets
this.data = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
data: [10, 20, 30, 40, 50, 60, 70],
}, {
data: [10, 20, 30, 40, 50, 60, 70],
}]
};
});
afterEach(function() {
var chart = window.acquireChart(this.config);
var meta = chart.getDatasetMeta(0);
var yScale = chart.scales[meta.yAxisID];
var categoryPercentage = yScale.options.categoryPercentage;
var barPercentage = yScale.options.barPercentage;
var stacked = yScale.options.stacked;
var totalBarHeight = 0;
for (var i = 0; i < chart.data.datasets.length; i++) {
var bars = chart.getDatasetMeta(i).data;
for (var j = yScale.minIndex; j <= yScale.maxIndex; j++) {
totalBarHeight += bars[j]._model.height;
}
if (stacked) {
break;
}
}
var actualValue = totalBarHeight;
var expectedValue = yScale.height * categoryPercentage * barPercentage;
expect(actualValue).toBeCloseToPixel(expectedValue);
});
it('should correctly set bar height when min and max option is set.', function() {
this.config = {
type: 'horizontalBar',
data: this.data,
options: {
scales: {
yAxes: [{
ticks: {
min: 'March',
max: 'May',
},
}]
}
}
};
});
it('should correctly set bar height when scale are stacked with min and max options.', function() {
this.config = {
type: 'horizontalBar',
data: this.data,
options: {
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
ticks: {
min: 'March',
max: 'May',
}
}]
}
}
};
});
});
describe('Bar thickness with a category scale', function() {
[undefined, 20].forEach(function(barThickness) {
describe('When barThickness is ' + barThickness, function() {
beforeEach(function() {
this.chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2]
}, {
data: [1, 2]
}],
labels: ['label1', 'label2', 'label3']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
id: 'x',
type: 'category',
barThickness: barThickness
}],
yAxes: [{
type: 'linear',
}]
}
}
});
});
it('should correctly set bar width', function() {
var chart = this.chart;
var expected, i, ilen, meta;
if (barThickness) {
expected = barThickness;
} else {
var scale = chart.scales.x;
var options = chart.options.scales.xAxes[0];
var categoryPercentage = options.categoryPercentage;
var barPercentage = options.barPercentage;
var tickInterval = scale.getPixelForTick(1) - scale.getPixelForTick(0);
expected = tickInterval * categoryPercentage / 2 * barPercentage;
}
for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
meta = chart.getDatasetMeta(i);
expect(meta.data[0]._model.width).toBeCloseToPixel(expected);
expect(meta.data[1]._model.width).toBeCloseToPixel(expected);
}
});
it('should correctly set bar width if maxBarThickness is specified', function() {
var chart = this.chart;
var options = chart.options.scales.xAxes[0];
var i, ilen, meta;
options.maxBarThickness = 10;
chart.update();
for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
meta = chart.getDatasetMeta(i);
expect(meta.data[0]._model.width).toBeCloseToPixel(10);
expect(meta.data[1]._model.width).toBeCloseToPixel(10);
}
});
});
});
});
describe('Bar thickness with a time scale', function() {
['auto', 'data', 'labels'].forEach(function(source) {
['series', 'linear'].forEach(function(distribution) {
describe('When ticks.source is "' + source + '", distribution is "' + distribution + '"', function() {
beforeEach(function() {
this.chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [1, 2, 3]
}, {
data: [1, 2, 3]
}],
labels: ['2017', '2018', '2020']
},
options: {
legend: false,
title: false,
scales: {
xAxes: [{
id: 'x',
type: 'time',
time: {
unit: 'year',
parser: 'YYYY'
},
ticks: {
source: source
},
offset: true,
distribution: distribution
}],
yAxes: [{
type: 'linear'
}]
}
}
});
});
it('should correctly set bar width', function() {
var chart = this.chart;
var scale = chart.scales.x;
var options = chart.options.scales.xAxes[0];
var categoryPercentage = options.categoryPercentage;
var barPercentage = options.barPercentage;
var firstInterval = scale.getPixelForValue('2018') - scale.getPixelForValue('2017');
var firstExpected = firstInterval * categoryPercentage / 2 * barPercentage;
var lastInterval = scale.getPixelForValue('2020') - scale.getPixelForValue('2018');
var lastExpected = lastInterval * categoryPercentage / 2 * barPercentage;
var i, ilen, meta;
for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
meta = chart.getDatasetMeta(i);
expect(meta.data[0]._model.width).toBeCloseToPixel(firstExpected);
expect(meta.data[1]._model.width).toBeCloseToPixel((firstExpected + lastExpected) / 2);
expect(meta.data[2]._model.width).toBeCloseToPixel(lastExpected);
}
});
it('should correctly set bar width if maxBarThickness is specified', function() {
var chart = this.chart;
var options = chart.options.scales.xAxes[0];
var i, ilen, meta;
options.maxBarThickness = 10;
chart.update();
for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
meta = chart.getDatasetMeta(i);
expect(meta.data[0]._model.width).toBeCloseToPixel(10);
expect(meta.data[1]._model.width).toBeCloseToPixel(10);
expect(meta.data[2]._model.width).toBeCloseToPixel(10);
}
});
});
});
});
});
});
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:: Command execute :: | |
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