mirror of
https://github.com/chartjs/Chart.js.git
synced 2024-10-06 12:19:08 +02:00
c8bdca62e8
* Move all helpers into src/helpers * Move curve helpers to their own file * DOM helpers moved to their own file * Update migration docs * Remove migration docs on new functions
260 lines
7.7 KiB
JavaScript
260 lines
7.7 KiB
JavaScript
describe('DOM helpers tests', function() {
|
|
let helpers;
|
|
|
|
beforeAll(function() {
|
|
helpers = window.Chart.helpers.dom;
|
|
});
|
|
|
|
it ('should get the maximum width and height for a node', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create the div we want to get the max size for
|
|
var innerDiv = document.createElement('div');
|
|
div.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(200);
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(300);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum width and height for a node in a ShadowRoot', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
if (!div.attachShadow) {
|
|
// Shadow DOM is not natively supported
|
|
return;
|
|
}
|
|
|
|
var shadow = div.attachShadow({mode: 'closed'});
|
|
|
|
// Create the div we want to get the max size for
|
|
var innerDiv = document.createElement('div');
|
|
shadow.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(200);
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(300);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum width of a node that has a max-width style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create the div we want to get the max size for and set a max-width style
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.maxWidth = '150px';
|
|
div.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum height of a node that has a max-height style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create the div we want to get the max size for and set a max-height style
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.maxHeight = '150px';
|
|
div.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum width of a node when the parent has a max-width style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create an inner wrapper around our div we want to size and give that a max-width style
|
|
var parentDiv = document.createElement('div');
|
|
parentDiv.style.maxWidth = '150px';
|
|
div.appendChild(parentDiv);
|
|
|
|
// Create the div we want to get the max size for
|
|
var innerDiv = document.createElement('div');
|
|
parentDiv.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum height of a node when the parent has a max-height style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create an inner wrapper around our div we want to size and give that a max-height style
|
|
var parentDiv = document.createElement('div');
|
|
parentDiv.style.maxHeight = '150px';
|
|
div.appendChild(parentDiv);
|
|
|
|
// Create the div we want to get the max size for
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.height = '300px'; // make it large
|
|
parentDiv.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum width of a node that has a percentage max-width style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create the div we want to get the max size for and set a max-width style
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.maxWidth = '50%';
|
|
div.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(100);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum height of a node that has a percentage max-height style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create the div we want to get the max size for and set a max-height style
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.maxHeight = '50%';
|
|
div.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum width of a node when the parent has a percentage max-width style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create an inner wrapper around our div we want to size and give that a max-width style
|
|
var parentDiv = document.createElement('div');
|
|
parentDiv.style.maxWidth = '50%';
|
|
div.appendChild(parentDiv);
|
|
|
|
// Create the div we want to get the max size for
|
|
var innerDiv = document.createElement('div');
|
|
parentDiv.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumWidth(innerDiv)).toBe(100);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should get the maximum height of a node when the parent has a percentage max-height style', function() {
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '200px';
|
|
div.style.height = '300px';
|
|
|
|
document.body.appendChild(div);
|
|
|
|
// Create an inner wrapper around our div we want to size and give that a max-height style
|
|
var parentDiv = document.createElement('div');
|
|
parentDiv.style.maxHeight = '50%';
|
|
div.appendChild(parentDiv);
|
|
|
|
var innerDiv = document.createElement('div');
|
|
innerDiv.style.height = '300px'; // make it large
|
|
parentDiv.appendChild(innerDiv);
|
|
|
|
expect(helpers.getMaximumHeight(innerDiv)).toBe(150);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('Should get padding of parent as number (pixels) when defined as percent (returns incorrectly in IE11)', function() {
|
|
|
|
// Create div with fixed size as a test bed
|
|
var div = document.createElement('div');
|
|
div.style.width = '300px';
|
|
div.style.height = '300px';
|
|
document.body.appendChild(div);
|
|
|
|
// Inner DIV to have 5% padding of parent
|
|
var innerDiv = document.createElement('div');
|
|
|
|
div.appendChild(innerDiv);
|
|
|
|
var canvas = document.createElement('canvas');
|
|
innerDiv.appendChild(canvas);
|
|
|
|
// No padding
|
|
expect(helpers.getMaximumWidth(canvas)).toBe(300);
|
|
|
|
// test with percentage
|
|
innerDiv.style.padding = '5%';
|
|
expect(helpers.getMaximumWidth(canvas)).toBe(270);
|
|
|
|
// test with pixels
|
|
innerDiv.style.padding = '10px';
|
|
expect(helpers.getMaximumWidth(canvas)).toBe(280);
|
|
|
|
document.body.removeChild(div);
|
|
});
|
|
|
|
it ('should leave styled height and width on canvas if explicitly set', function() {
|
|
var chart = window.acquireChart({}, {
|
|
canvas: {
|
|
height: 200,
|
|
width: 200,
|
|
style: 'height: 400px; width: 400px;'
|
|
}
|
|
});
|
|
|
|
helpers.retinaScale(chart, true);
|
|
|
|
var canvas = chart.canvas;
|
|
|
|
expect(canvas.style.height).toBe('400px');
|
|
expect(canvas.style.width).toBe('400px');
|
|
});
|
|
|
|
});
|