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function getLabels(scale) {
return scale.ticks.map(t => t.label);
}
describe('Linear Scale', function() {
describe('auto', jasmine.fixture.specs('scale.linear'));
it('Should register the constructor with the registry', function() {
var Constructor = Chart.registry.getScale('linear');
expect(Constructor).not.toBe(undefined);
expect(typeof Constructor).toBe('function');
});
it('Should have the correct default config', function() {
var defaultConfig = Chart.defaults.scales.linear;
expect(defaultConfig.ticks.callback).toEqual(jasmine.any(Function));
});
it('Should correctly determine the max & min data values', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 5, 0, -5, 78, -100]
}, {
yAxisID: 'y2',
data: [-1000, 1000],
}, {
yAxisID: 'y',
data: [150]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear'
},
y2: {
type: 'linear',
position: 'right',
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-100);
expect(chart.scales.y.max).toBe(150);
});
it('Should handle when only a min value is provided', () => {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
yAxisID: 'y',
data: [200]
}],
},
options: {
scales: {
y: {
type: 'linear',
min: 250
}
}
}
});
expect(chart.scales.y.min).toBe(250);
});
it('Should handle when only a max value is provided', () => {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
yAxisID: 'y',
data: [200]
}],
},
options: {
scales: {
y: {
type: 'linear',
max: 150
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.max).toBe(150);
});
it('Should correctly determine the max & min of string data values', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: ['10', '5', '0', '-5', '78', '-100']
}, {
yAxisID: 'y2',
data: ['-1000', '1000'],
}, {
yAxisID: 'y',
data: ['150']
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear'
},
y2: {
type: 'linear',
position: 'right'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-100);
expect(chart.scales.y.max).toBe(150);
});
it('Should correctly determine the max & min when no values provided and suggested minimum and maximum are set', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: []
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
suggestedMin: -10,
suggestedMax: 15
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-10);
expect(chart.scales.y.max).toBe(15);
});
it('Should correctly determine the max & min when no datasets are associated and suggested minimum and maximum are set', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: []
},
options: {
scales: {
y: {
type: 'linear',
suggestedMin: -10,
suggestedMax: 0
}
}
}
});
expect(chart.scales.y.min).toBe(-10);
expect(chart.scales.y.max).toBe(0);
});
it('Should correctly determine the max & min data values ignoring hidden datasets', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: ['10', '5', '0', '-5', '78', '-100']
}, {
yAxisID: 'y2',
data: ['-1000', '1000'],
}, {
yAxisID: 'y',
data: ['150'],
hidden: true
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear'
},
y2: {
position: 'right',
type: 'linear'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-100);
expect(chart.scales.y.max).toBe(80);
});
it('Should correctly determine the max & min data values ignoring data that is NaN', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [null, 90, NaN, undefined, 45, 30, Infinity, -Infinity]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
},
options: {
scales: {
y: {
type: 'linear',
beginAtZero: false
}
}
}
});
expect(chart.scales.y.min).toBe(30);
expect(chart.scales.y.max).toBe(90);
// Scale is now stacked
chart.scales.y.options.stacked = true;
chart.update();
expect(chart.scales.y.min).toBe(30);
expect(chart.scales.y.max).toBe(90);
chart.scales.y.options.beginAtZero = true;
chart.update();
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(90);
});
it('Should correctly determine the max & min data values for small numbers', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [-1e-8, 3e-8, -4e-8, 6e-8]
}],
labels: ['a', 'b', 'c', 'd']
},
options: {
scales: {
y: {
type: 'linear'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min * 1e8).toBeCloseTo(-4);
expect(chart.scales.y.max * 1e8).toBeCloseTo(6);
});
it('Should correctly determine the max & min for scatter data', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [{
x: 10,
y: 100
}, {
x: -10,
y: 0
}, {
x: 0,
y: 0
}, {
x: 99,
y: 7
}]
}],
},
options: {
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear'
}
}
}
});
chart.update();
expect(chart.scales.x.min).toBe(-20);
expect(chart.scales.x.max).toBe(100);
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(100);
});
it('Should correctly get the label for the given index', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [{
x: 10,
y: 100
}, {
x: -10,
y: 0
}, {
x: 0,
y: 0
}, {
x: 99,
y: 7
}]
}],
},
options: {
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear'
}
}
}
});
chart.update();
expect(chart.scales.y.getLabelForValue(7)).toBe('7');
});
it('Should correctly use the locale setting when getting a label', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [{
x: 10,
y: 100
}, {
x: -10,
y: 0
}, {
x: 0,
y: 0
}, {
x: 99,
y: 7
}]
}],
},
options: {
locale: 'de-DE',
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear'
}
}
}
});
chart.update();
expect(chart.scales.y.getLabelForValue(7.07)).toBe('7,07');
});
it('Should correctly determine the min and max data values when stacked mode is turned on', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 5, 0, -5, 78, -100],
type: 'bar'
}, {
yAxisID: 'y2',
data: [-1000, 1000],
}, {
yAxisID: 'y',
data: [150, 0, 0, -100, -10, 9],
type: 'bar'
}, {
yAxisID: 'y',
data: [10, 10, 10, 10, 10, 10],
type: 'line'
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
stacked: true
},
y2: {
position: 'right',
type: 'linear'
}
}
}
});
chart.update();
expect(chart.scales.y.min).toBe(-150);
expect(chart.scales.y.max).toBe(200);
});
it('Should correctly determine the min and max data values when stacked mode is turned on and there are hidden datasets', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 5, 0, -5, 78, -100],
}, {
yAxisID: 'y2',
data: [-1000, 1000],
}, {
yAxisID: 'y',
data: [150, 0, 0, -100, -10, 9],
}, {
yAxisID: 'y',
data: [10, 20, 30, 40, 50, 60],
hidden: true
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
stacked: true
},
y2: {
position: 'right',
type: 'linear'
}
}
}
});
chart.update();
expect(chart.scales.y.min).toBe(-150);
expect(chart.scales.y.max).toBe(200);
});
it('Should correctly determine the min and max data values when stacked mode is turned on there are multiple types of datasets', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
type: 'bar',
data: [10, 5, 0, -5, 78, -100]
}, {
type: 'line',
data: [10, 10, 10, 10, 10, 10],
}, {
type: 'bar',
data: [150, 0, 0, -100, -10, 9]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
stacked: true
}
}
}
});
chart.scales.y.determineDataLimits();
expect(chart.scales.y.min).toBe(-105);
expect(chart.scales.y.max).toBe(160);
});
it('Should ensure that the scale has a max and min that are not equal', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(1);
});
it('Should ensure that the scale has a max and min that are not equal - large positive numbers', function() {
// https://github.com/chartjs/Chart.js/issues/9377
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
// Value larger than Number.MAX_SAFE_INTEGER
data: [10000000000000000]
}],
labels: ['a']
},
options: {
scales: {
y: {
type: 'linear'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(10000000000000000 * 0.95);
expect(chart.scales.y.max).toBe(10000000000000000 * 1.05);
});
it('Should ensure that the scale has a max and min that are not equal - large negative numbers', function() {
// https://github.com/chartjs/Chart.js/issues/9377
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
// Value larger than Number.MAX_SAFE_INTEGER
data: [-10000000000000000]
}],
labels: ['a']
},
options: {
scales: {
y: {
type: 'linear'
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.max).toBe(-10000000000000000 * 0.95);
expect(chart.scales.y.min).toBe(-10000000000000000 * 1.05);
});
it('Should ensure that the scale has a max and min that are not equal when beginAtZero is set', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
beginAtZero: true
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(1);
});
it('Should use the suggestedMin and suggestedMax options', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [1, 1, 1, 2, 1, 0]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
suggestedMax: 10,
suggestedMin: -10
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-10);
expect(chart.scales.y.max).toBe(10);
});
it('Should use the min and max options', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [1, 1, 1, 2, 1, 0]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
max: 1010,
min: -1010
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(-1010);
expect(chart.scales.y.max).toBe(1010);
var labels = getLabels(chart.scales.y);
expect(labels[0]).toBe('-1,010');
expect(labels[labels.length - 1]).toBe('1,010');
});
it('Should use min, max and stepSize to create fixed spaced ticks', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 3, 6, 8, 3, 1]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
min: 1,
max: 11,
ticks: {
stepSize: 2
}
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(1);
expect(chart.scales.y.max).toBe(11);
expect(getLabels(chart.scales.y)).toEqual(['1', '3', '5', '7', '9', '11']);
});
it('Should not generate any ticks > max if max is specified', function() {
var chart = window.acquireChart({
type: 'line',
options: {
scales: {
x: {
type: 'linear',
min: 2.404e-8,
max: 2.4143e-8,
ticks: {
includeBounds: false,
},
},
},
},
});
expect(chart.scales.x.min).toBe(2.404e-8);
expect(chart.scales.x.max).toBe(2.4143e-8);
expect(chart.scales.x.ticks[chart.scales.x.ticks.length - 1].value).toBeLessThanOrEqual(2.4143e-8);
});
it('Should not generate insane amounts of ticks with small stepSize and large range', function() {
var chart = window.acquireChart({
type: 'bar',
options: {
scales: {
y: {
type: 'linear',
min: 1,
max: 1E10,
ticks: {
stepSize: 2,
autoSkip: false
}
}
}
}
});
expect(chart.scales.y.min).toBe(1);
expect(chart.scales.y.max).toBe(1E10);
expect(chart.scales.y.ticks.length).toBeLessThanOrEqual(1000);
});
it('Should create decimal steps if stepSize is a decimal number', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 3, 6, 8, 3, 1]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
ticks: {
stepSize: 2.5
}
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(10);
expect(getLabels(chart.scales.y)).toEqual(['0', '2.5', '5', '7.5', '10']);
});
describe('precision', function() {
it('Should create integer steps if precision is 0', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [0, 1, 2, 1, 0, 1]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
ticks: {
precision: 0
}
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(2);
expect(getLabels(chart.scales.y)).toEqual(['0', '1', '2']);
});
it('Should round the step size to the given number of decimal places', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [0, 0.001, 0.002, 0.003, 0, 0.001]
}],
labels: ['a', 'b', 'c', 'd', 'e', 'f']
},
options: {
scales: {
y: {
type: 'linear',
ticks: {
precision: 2
}
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(chart.scales.y.min).toBe(0);
expect(chart.scales.y.max).toBe(0.01);
expect(getLabels(chart.scales.y)).toEqual(['0', '0.01']);
});
});
it('should forcibly include 0 in the range if the beginAtZero option is used', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [20, 30, 40, 50]
}],
labels: ['a', 'b', 'c', 'd']
},
options: {
scales: {
y: {
type: 'linear',
beginAtZero: false
}
}
}
});
expect(chart.scales.y).not.toEqual(undefined); // must construct
expect(getLabels(chart.scales.y)).toEqual(['20', '25', '30', '35', '40', '45', '50']);
chart.scales.y.options.beginAtZero = true;
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['0', '5', '10', '15', '20', '25', '30', '35', '40', '45', '50']);
chart.data.datasets[0].data = [-20, -30, -40, -50];
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['-50', '-45', '-40', '-35', '-30', '-25', '-20', '-15', '-10', '-5', '0']);
chart.scales.y.options.beginAtZero = false;
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['-50', '-45', '-40', '-35', '-30', '-25', '-20']);
});
it('Should generate tick marks in the correct order in reversed mode', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 5, 0, 25, 78]
}],
labels: ['a', 'b', 'c', 'd']
},
options: {
scales: {
y: {
type: 'linear',
reverse: true
}
}
}
});
expect(getLabels(chart.scales.y)).toEqual(['80', '70', '60', '50', '40', '30', '20', '10', '0']);
expect(chart.scales.y.start).toBe(80);
expect(chart.scales.y.end).toBe(0);
});
it('should use the correct number of decimal places in the default format function', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [0.06, 0.005, 0, 0.025, 0.0078]
}],
labels: ['a', 'b', 'c', 'd']
},
options: {
scales: {
y: {
type: 'linear',
}
}
}
});
expect(getLabels(chart.scales.y)).toEqual(['0', '0.01', '0.02', '0.03', '0.04', '0.05', '0.06']);
});
it('Should correctly limit the maximum number of ticks', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
labels: ['a', 'b'],
datasets: [{
data: [0.5, 2.5]
}]
},
options: {
scales: {
y: {
beginAtZero: false
}
}
}
});
expect(getLabels(chart.scales.y)).toEqual(['0.5', '1.0', '1.5', '2.0', '2.5']);
chart.options.scales.y.ticks.maxTicksLimit = 11;
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['0.5', '1.0', '1.5', '2.0', '2.5']);
chart.options.scales.y.ticks.maxTicksLimit = 21;
chart.update();
expect(getLabels(chart.scales.y)).toEqual([
'0.5',
'0.6', '0.7', '0.8', '0.9', '1.0', '1.1', '1.2', '1.3', '1.4', '1.5',
'1.6', '1.7', '1.8', '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5'
]);
chart.options.scales.y.ticks.maxTicksLimit = 11;
chart.options.scales.y.ticks.stepSize = 0.01;
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['0.5', '1.0', '1.5', '2.0', '2.5']);
chart.options.scales.y.min = 0.3;
chart.options.scales.y.max = 2.8;
chart.update();
expect(getLabels(chart.scales.y)).toEqual(['0.3', '0.8', '1.3', '1.8', '2.3', '2.8']);
});
it('Should bound to data', function() {
var chart = window.acquireChart({
type: 'line',
data: {
labels: ['a', 'b'],
datasets: [{
data: [1, 99]
}]
},
options: {
scales: {
y: {
bounds: 'data'
}
}
}
});
expect(chart.scales.y.min).toEqual(1);
expect(chart.scales.y.max).toEqual(99);
});
it('Should build labels using the user supplied callback', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
yAxisID: 'y',
data: [10, 5, 0, 25, 78]
}],
labels: ['a', 'b', 'c', 'd']
},
options: {
scales: {
y: {
type: 'linear',
ticks: {
callback: function(value, index) {
return index.toString();
}
}
}
}
}
});
// Just the index
expect(getLabels(chart.scales.y)).toEqual(['0', '1', '2', '3', '4', '5', '6', '7', '8']);
});
it('Should get the correct pixel value for a point', function() {
var chart = window.acquireChart({
type: 'line',
data: {
labels: [-1, 1],
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [-1, 1]
}],
},
options: {
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear'
}
}
}
});
var xScale = chart.scales.x;
expect(xScale.getPixelForValue(1)).toBeCloseToPixel(501); // right - paddingRight
expect(xScale.getPixelForValue(-1)).toBeCloseToPixel(31 + 3); // left + paddingLeft + tick padding
expect(xScale.getPixelForValue(0)).toBeCloseToPixel(266 + 3 / 2); // halfway*/
expect(xScale.getValueForPixel(501)).toBeCloseTo(1, 1e-2);
expect(xScale.getValueForPixel(31)).toBeCloseTo(-1, 1e-2);
expect(xScale.getValueForPixel(266)).toBeCloseTo(0, 1e-2);
var yScale = chart.scales.y;
expect(yScale.getPixelForValue(1)).toBeCloseToPixel(32); // right - paddingRight
expect(yScale.getPixelForValue(-1)).toBeCloseToPixel(484); // left + paddingLeft
expect(yScale.getPixelForValue(0)).toBeCloseToPixel(258); // halfway*/
expect(yScale.getValueForPixel(32)).toBeCloseTo(1, 1e-2);
expect(yScale.getValueForPixel(484)).toBeCloseTo(-1, 1e-2);
expect(yScale.getValueForPixel(258)).toBeCloseTo(0, 1e-2);
});
it('should fit correctly', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [{
x: 10,
y: 100
}, {
x: -10,
y: 0
}, {
x: 0,
y: 0
}, {
x: 99,
y: 7
}]
}],
},
options: {
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear'
}
}
}
});
var xScale = chart.scales.x;
var yScale = chart.scales.y;
expect(xScale.paddingTop).toBeCloseToPixel(0);
expect(xScale.paddingBottom).toBeCloseToPixel(0);
expect(xScale.paddingLeft).toBeCloseToPixel(12);
expect(xScale.paddingRight).toBeCloseToPixel(13.5);
expect(xScale.width).toBeCloseToPixel(468 - 3); // minus tick padding
expect(xScale.height).toBeCloseToPixel(30);
expect(yScale.paddingTop).toBeCloseToPixel(10);
expect(yScale.paddingBottom).toBeCloseToPixel(10);
expect(yScale.paddingLeft).toBeCloseToPixel(0);
expect(yScale.paddingRight).toBeCloseToPixel(0);
expect(yScale.width).toBeCloseToPixel(31 + 3); // plus tick padding
expect(yScale.height).toBeCloseToPixel(450);
// Extra size when scale label showing
xScale.options.title.display = true;
yScale.options.title.display = true;
chart.update();
expect(xScale.paddingTop).toBeCloseToPixel(0);
expect(xScale.paddingBottom).toBeCloseToPixel(0);
expect(xScale.paddingLeft).toBeCloseToPixel(12);
expect(xScale.paddingRight).toBeCloseToPixel(13.5);
expect(xScale.width).toBeCloseToPixel(442);
expect(xScale.height).toBeCloseToPixel(50);
expect(yScale.paddingTop).toBeCloseToPixel(10);
expect(yScale.paddingBottom).toBeCloseToPixel(10);
expect(yScale.paddingLeft).toBeCloseToPixel(0);
expect(yScale.paddingRight).toBeCloseToPixel(0);
expect(yScale.width).toBeCloseToPixel(58);
expect(yScale.height).toBeCloseToPixel(429);
});
it('should fit correctly when display is turned off', function() {
var chart = window.acquireChart({
type: 'line',
data: {
datasets: [{
xAxisID: 'x',
yAxisID: 'y',
data: [{
x: 10,
y: 100
}, {
x: -10,
y: 0
}, {
x: 0,
y: 0
}, {
x: 99,
y: 7
}]
}],
},
options: {
scales: {
x: {
type: 'linear',
position: 'bottom'
},
y: {
type: 'linear',
grid: {
drawTicks: false,
},
border: {
display: false
},
title: {
display: false,
lineHeight: 1.2
},
ticks: {
display: false,
padding: 0
}
}
}
}
});
var yScale = chart.scales.y;
expect(yScale.width).toBeCloseToPixel(0);
});
it('max and min value should be valid and finite when charts datasets are hidden', function() {
var barData = {
labels: ['S1', 'S2', 'S3'],
datasets: [{
label: 'Closed',
backgroundColor: '#382765',
data: [2500, 2000, 1500]
}, {
label: 'In Progress',
backgroundColor: '#7BC225',
data: [1000, 2000, 1500]
}, {
label: 'Assigned',
backgroundColor: '#ffC225',
data: [1000, 2000, 1500]
}]
};
var chart = window.acquireChart({
type: 'bar',
data: barData,
options: {
indexAxis: 'y',
scales: {
x: {
stacked: true
},
y: {
stacked: true
}
}
}
});
barData.datasets.forEach(function(data, index) {
var meta = chart.getDatasetMeta(index);
meta.hidden = true;
chart.update();
});
expect(chart.scales.x.min).toEqual(0);
expect(chart.scales.x.max).toEqual(1);
});
it('max and min value should be valid when min is set and all datasets are hidden', function() {
var barData = {
labels: ['S1', 'S2', 'S3'],
datasets: [{
label: 'dataset 1',
backgroundColor: '#382765',
data: [2500, 2000, 1500],
hidden: true,
}]
};
var chart = window.acquireChart({
type: 'bar',
data: barData,
options: {
indexAxis: 'y',
scales: {
x: {
min: 20
}
}
}
});
expect(chart.scales.x.min).toEqual(20);
expect(chart.scales.x.max).toEqual(21);
});
it('min settings should be used if set to zero', function() {
var barData = {
labels: ['S1', 'S2', 'S3'],
datasets: [{
label: 'dataset 1',
backgroundColor: '#382765',
data: [2500, 2000, 1500]
}]
};
var chart = window.acquireChart({
type: 'bar',
data: barData,
options: {
indexAxis: 'y',
scales: {
x: {
min: 0,
max: 3000
}
}
}
});
expect(chart.scales.x.min).toEqual(0);
});
it('max settings should be used if set to zero', function() {
var barData = {
labels: ['S1', 'S2', 'S3'],
datasets: [{
label: 'dataset 1',
backgroundColor: '#382765',
data: [-2500, -2000, -1500]
}]
};
var chart = window.acquireChart({
type: 'bar',
data: barData,
options: {
indexAxis: 'y',
scales: {
x: {
min: -3000,
max: 0
}
}
}
});
expect(chart.scales.x.max).toEqual(0);
});
it('Should get correct pixel values when horizontal', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [0.05, -25, 10, 15, 20, 25, 30, 35]
}]
},
options: {
indexAxis: 'y',
scales: {
x: {
type: 'linear',
}
}
}
});
var start = chart.chartArea.left;
var end = chart.chartArea.right;
var min = -30;
var max = 40;
var scale = chart.scales.x;
expect(scale.getPixelForValue(max)).toBeCloseToPixel(end);
expect(scale.getPixelForValue(min)).toBeCloseToPixel(start);
expect(scale.getValueForPixel(end)).toBeCloseTo(max, 4);
expect(scale.getValueForPixel(start)).toBeCloseTo(min, 4);
scale.options.reverse = true;
chart.update();
start = chart.chartArea.left;
end = chart.chartArea.right;
expect(scale.getPixelForValue(max)).toBeCloseToPixel(start);
expect(scale.getPixelForValue(min)).toBeCloseToPixel(end);
expect(scale.getValueForPixel(end)).toBeCloseTo(min, 4);
expect(scale.getValueForPixel(start)).toBeCloseTo(max, 4);
});
it('Should get correct pixel values when vertical', function() {
var chart = window.acquireChart({
type: 'bar',
data: {
datasets: [{
data: [0.05, -25, 10, 15, 20, 25, 30, 35]
}]
},
options: {
scales: {
y: {
type: 'linear',
}
}
}
});
var start = chart.chartArea.bottom;
var end = chart.chartArea.top;
var min = -30;
var max = 40;
var scale = chart.scales.y;
expect(scale.getPixelForValue(max)).toBeCloseToPixel(end);
expect(scale.getPixelForValue(min)).toBeCloseToPixel(start);
expect(scale.getValueForPixel(end)).toBeCloseTo(max, 4);
expect(scale.getValueForPixel(start)).toBeCloseTo(min, 4);
scale.options.reverse = true;
chart.update();
start = chart.chartArea.bottom;
end = chart.chartArea.top;
expect(scale.getPixelForValue(max)).toBeCloseToPixel(start);
expect(scale.getPixelForValue(min)).toBeCloseToPixel(end);
expect(scale.getValueForPixel(end)).toBeCloseTo(min, 4);
expect(scale.getValueForPixel(start)).toBeCloseTo(max, 4);
});
it('should not throw errors when chart size is negative', function() {
function createChart() {
return window.acquireChart({
type: 'bar',
data: {
labels: [0, 1, 2, 3, 4, 5, 6, 7, '7+'],
datasets: [{
data: [29.05, 4, 15.69, 11.69, 2.84, 4, 0, 3.84, 4],
}],
},
options: {
plugins: false,
layout: {
padding: {top: 30, left: 1, right: 1, bottom: 1}
}
}
}, {
canvas: {
height: 0,
width: 0
}
});
}
expect(createChart).not.toThrow();
});
});
Kontol Shell Bypass