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

74 lines
2.3 KiB
JavaScript

import Disposable from '../../../../../src/ol/Disposable.js';
import Map from '../../../../../src/ol/Map.js';
import Polygon from '../../../../../src/ol/geom/Polygon.js';
import RenderBox from '../../../../../src/ol/render/Box.js';
import View from '../../../../../src/ol/View.js';
describe('ol.render.Box', function () {
let box, map, target;
beforeEach(function () {
box = new RenderBox('test-box');
target = document.createElement('div');
target.style.height = '256px';
document.body.appendChild(target);
map = new Map({
target: target,
view: new View({
center: [0, 0],
zoom: 0,
}),
});
map.renderSync();
box.setMap(map);
});
afterEach(function () {
map.dispose();
document.body.removeChild(target);
});
describe('constructor', function () {
it('creates an instance', function () {
const obj = new RenderBox('test-box');
expect(obj).to.be.a(RenderBox);
expect(obj).to.be.a(Disposable);
obj.dispose();
});
it('creates an absolutely positioned DIV with a className', function () {
expect(box.element_).to.be.a(HTMLDivElement);
expect(box.element_.style.position).to.be('absolute');
expect(box.element_.className).to.be('ol-box test-box');
expect(box.element_.style.position).to.be('absolute');
});
it("appends the DIV to the map's overlay container", function () {
expect(box.element_.parentNode).to.equal(map.getOverlayContainer());
});
});
describe('#setPixels()', function () {
it('applies correct styles for a box', function () {
box.setPixels([1, 2], [4, 8]);
expect(box.element_.style.left).to.be('1px');
expect(box.element_.style.top).to.be('2px');
expect(box.element_.style.width).to.be('3px');
expect(box.element_.style.height).to.be('6px');
});
it('applies correct styles for a flipped box', function () {
box.setPixels([4, 8], [1, 2]);
expect(box.element_.style.left).to.be('1px');
expect(box.element_.style.top).to.be('2px');
expect(box.element_.style.width).to.be('3px');
expect(box.element_.style.height).to.be('6px');
});
it('creates a polygon geometry', function () {
expect(box.getGeometry()).to.be(null);
box.setPixels([1, 2], [3, 4]);
expect(box.getGeometry()).to.be.a(Polygon);
});
});
});