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

98 lines
2.9 KiB
JavaScript

import DragRotateAndZoom from '../../../../../src/ol/interaction/DragRotateAndZoom.js';
import Event from '../../../../../src/ol/events/Event.js';
import Map from '../../../../../src/ol/Map.js';
import MapBrowserEvent from '../../../../../src/ol/MapBrowserEvent.js';
import VectorLayer from '../../../../../src/ol/layer/Vector.js';
import VectorSource from '../../../../../src/ol/source/Vector.js';
import View from '../../../../../src/ol/View.js';
describe('ol.interaction.DragRotateAndZoom', function () {
describe('constructor', function () {
it('can be constructed without arguments', function () {
const instance = new DragRotateAndZoom();
expect(instance).to.be.an(DragRotateAndZoom);
});
});
describe('#handleDragEvent()', function () {
let target, map, interaction;
const width = 360;
const height = 180;
beforeEach(function (done) {
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);
const source = new VectorSource();
const layer = new VectorLayer({source: source});
interaction = new DragRotateAndZoom();
map = new Map({
target: target,
layers: [layer],
interactions: [interaction],
view: new View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1,
}),
});
map.once('postrender', function () {
done();
});
});
afterEach(function () {
map.dispose();
document.body.removeChild(target);
});
it('does not rotate when rotation is disabled on the view', function () {
const pointerEvent = new Event();
pointerEvent.type = 'pointermove';
pointerEvent.clientX = 20;
pointerEvent.clientY = 10;
pointerEvent.pointerType = 'mouse';
let event = new MapBrowserEvent('pointermove', map, pointerEvent, true);
interaction.lastAngle_ = Math.PI;
let callCount = 0;
let view = map.getView();
view.on('change:rotation', function () {
callCount++;
});
interaction.handleDragEvent(event);
expect(callCount).to.be(1);
expect(interaction.lastAngle_).to.be(-0.8308214428190254);
callCount = 0;
view = new View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1,
enableRotation: false,
});
map.setView(view);
view.on('change:rotation', function () {
callCount++;
});
pointerEvent.type = 'pointermove';
pointerEvent.clientX = 24;
pointerEvent.clientY = 16;
pointerEvent.pointerType = 'mouse';
event = new MapBrowserEvent('pointermove', map, pointerEvent, true);
interaction.handleDragEvent(event);
expect(callCount).to.be(0);
});
});
});