Files
openlayers/test/spec/ol/interaction/dragrotateandzoom.test.js
2018-10-03 05:06:01 -06:00

92 lines
2.7 KiB
JavaScript

import Map from '../../../../src/ol/Map.js';
import MapBrowserPointerEvent from '../../../../src/ol/MapBrowserPointerEvent.js';
import View from '../../../../src/ol/View.js';
import DragRotateAndZoom from '../../../../src/ol/interaction/DragRotateAndZoom.js';
import VectorLayer from '../../../../src/ol/layer/Vector.js';
import PointerEvent from '../../../../src/ol/pointer/PointerEvent.js';
import VectorSource from '../../../../src/ol/source/Vector.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() {
let event = new MapBrowserPointerEvent('pointermove', map,
new PointerEvent('pointermove', {clientX: 20, clientY: 10}, {pointerType: 'mouse'}),
true);
interaction.lastAngle_ = Math.PI;
let view = map.getView();
let spy = sinon.spy(view, 'rotate');
interaction.handleDragEvent(event);
expect(spy.callCount).to.be(1);
expect(interaction.lastAngle_).to.be(-0.8308214428190254);
view.rotate.restore();
view = new View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1,
enableRotation: false
});
map.setView(view);
event = new MapBrowserPointerEvent('pointermove', map,
new PointerEvent('pointermove', {clientX: 24, clientY: 16}, {pointerType: 'mouse'}),
true);
spy = sinon.spy(view, 'rotate');
interaction.handleDragEvent(event);
expect(spy.callCount).to.be(0);
view.rotate.restore();
});
});
});