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

153 lines
4.0 KiB
JavaScript

import Control from '../../../../../src/ol/control/Control.js';
import Map from '../../../../../src/ol/Map.js';
import OverviewMap from '../../../../../src/ol/control/OverviewMap.js';
import View from '../../../../../src/ol/View.js';
describe('ol.control.OverviewMap', function () {
let map, target;
beforeEach(function () {
target = document.createElement('div');
document.body.appendChild(target);
map = new Map({
target: target,
});
});
afterEach(function () {
map.dispose();
document.body.removeChild(target);
map = null;
target = null;
});
describe('constructor', function () {
it('creates an overview map with the default options', function () {
const control = new OverviewMap();
expect(control).to.be.a(OverviewMap);
expect(control).to.be.a(Control);
});
});
describe('setMap()', function () {
it('keeps ovmap view rotation in sync with map view rotation', function () {
const view = new View({
center: [0, 0],
zoom: 0,
rotation: Math.PI / 2,
});
map.setView(view);
const control = new OverviewMap({
rotateWithView: true,
});
map.addControl(control);
const ovView = control.ovmap_.getView();
expect(ovView.getRotation()).to.be(Math.PI / 2);
view.setRotation(Math.PI / 4);
expect(ovView.getRotation()).to.be(Math.PI / 4);
});
it('maintains rotation in sync if view added later', function () {
const control = new OverviewMap({
rotateWithView: true,
});
map.addControl(control);
const ovInitialView = control.ovmap_.getView();
expect(ovInitialView.getRotation()).to.be(0);
const view = new View({
center: [0, 0],
zoom: 0,
rotation: Math.PI / 2,
});
map.setView(view);
const ovView = control.ovmap_.getView();
expect(ovView.getRotation()).to.be(Math.PI / 2);
view.setRotation(Math.PI / 4);
expect(ovView.getRotation()).to.be(Math.PI / 4);
});
it('stops listening to old maps', function () {
const control = new OverviewMap({
rotateWithView: true,
});
const view = new View({
center: [0, 0],
zoom: 0,
rotation: 0,
});
map.setView(view);
map.addControl(control);
const ovView = control.ovmap_.getView();
view.setRotation(Math.PI / 8);
expect(ovView.getRotation()).to.be(Math.PI / 8);
map.removeControl(control);
view.setRotation(Math.PI / 4);
expect(ovView.getRotation()).to.be(Math.PI / 8);
});
it('reflects projection change of main map', function () {
const control = new OverviewMap({
rotateWithView: true,
});
map.addControl(control);
expect(control.ovmap_.getView().getProjection().getCode()).to.be(
'EPSG:3857'
);
map.setView(
new View({
projection: 'EPSG:4326',
})
);
expect(control.ovmap_.getView().getProjection().getCode()).to.be(
'EPSG:4326'
);
});
it('retains explicitly set view', function () {
const overviewMapView = new View();
const control = new OverviewMap({
rotateWithView: true,
view: overviewMapView,
});
map.addControl(control);
expect(control.ovmap_.getView()).to.be(overviewMapView);
expect(control.ovmap_.getView().getProjection().getCode()).to.be(
'EPSG:3857'
);
map.setView(
new View({
projection: 'EPSG:4326',
})
);
expect(control.ovmap_.getView()).to.be(overviewMapView);
expect(control.ovmap_.getView().getProjection().getCode()).to.be(
'EPSG:3857'
);
});
it('set target to null', function () {
const control = new OverviewMap();
map.addControl(control);
expect(control.ovmap_.getTarget()).not.to.be(null);
map.removeControl(control);
expect(control.ovmap_.getTarget()).to.be(null);
});
});
});