Files
openlayers/test/browser/spec/ol/overlay.test.js
2021-04-28 09:23:33 -07:00

101 lines
2.5 KiB
JavaScript

import Map from '../../../../src/ol/Map.js';
import Overlay from '../../../../src/ol/Overlay.js';
import View from '../../../../src/ol/View.js';
describe('ol.Overlay', function () {
let target, map;
const width = 360;
const height = 180;
beforeEach(function () {
target = document.createElement('div');
const style = target.style;
style.position = 'absolute';
style.left = '-1000px';
style.top = '-1000px';
style.width = width + 'px';
style.height = height + 'px';
document.body.appendChild(target);
map = new Map({
target: target,
view: new View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1,
}),
});
});
afterEach(function () {
map.dispose();
document.body.removeChild(target);
});
describe('constructor', function () {
it('can be constructed with minimal arguments', function () {
const instance = new Overlay({});
expect(instance).to.be.an(Overlay);
});
it('can be constructed with className', function () {
const instance = new Overlay({className: 'my-class'});
expect(instance).to.be.an(Overlay);
expect(instance.element.className).to.be('my-class');
});
});
describe('#getId()', function () {
let overlay, target;
beforeEach(function () {
target = document.createElement('div');
});
afterEach(function () {
map.removeOverlay(overlay);
});
it('returns the overlay identifier', function () {
overlay = new Overlay({
element: target,
position: [0, 0],
});
map.addOverlay(overlay);
expect(overlay.getId()).to.be(undefined);
map.removeOverlay(overlay);
overlay = new Overlay({
id: 'foo',
element: target,
position: [0, 0],
});
map.addOverlay(overlay);
expect(overlay.getId()).to.be('foo');
});
});
describe('#setVisible()', function () {
let overlay, target;
beforeEach(function () {
target = document.createElement('div');
});
afterEach(function () {
map.removeOverlay(overlay);
});
it('changes the CSS display value', function () {
overlay = new Overlay({
element: target,
position: [0, 0],
});
map.addOverlay(overlay);
map.renderSync();
expect(overlay.element.style.display).not.to.be('none');
overlay.setVisible(false);
expect(overlay.element.style.display).to.be('none');
});
});
});