Files
openlayers/test/spec/ol/control/zoomslider.test.js
2018-09-24 09:55:13 +01:00

244 lines
8.3 KiB
JavaScript

import Map from '../../../../src/ol/Map.js';
import View from '../../../../src/ol/View.js';
import ZoomSlider from '../../../../src/ol/control/ZoomSlider.js';
import PointerEvent from '../../../../src/ol/pointer/PointerEvent.js';
describe('ol.control.ZoomSlider', function() {
let map, target, zoomslider;
beforeEach(function() {
target = document.createElement('div');
document.body.appendChild(target);
zoomslider = new ZoomSlider();
map = new Map({
target: target,
controls: [zoomslider]
});
});
afterEach(function() {
zoomslider.dispose();
map.dispose();
document.body.removeChild(target);
zoomslider = null;
map = null;
target = null;
});
describe('DOM creation', function() {
it('creates the expected DOM elements', function() {
const zoomSliderContainers = target.querySelectorAll('.ol-zoomslider');
expect(zoomSliderContainers.length).to.be(1);
const zoomSliderContainer = zoomSliderContainers[0];
expect(zoomSliderContainer instanceof HTMLDivElement).to.be(true);
let hasUnselectableCls = zoomSliderContainer.classList.contains('ol-unselectable');
expect(hasUnselectableCls).to.be(true);
const zoomSliderThumbs = zoomSliderContainer.querySelectorAll('.ol-zoomslider-thumb');
expect(zoomSliderThumbs.length).to.be(1);
const zoomSliderThumb = zoomSliderThumbs[0];
expect(zoomSliderThumb instanceof HTMLButtonElement).to.be(true);
hasUnselectableCls = zoomSliderThumb.classList.contains('ol-unselectable');
expect(hasUnselectableCls).to.be(true);
});
});
describe('#initSlider_', function() {
it('sets limits', function() {
zoomslider.initSlider_();
expect(zoomslider.widthLimit_).not.to.be(0);
expect(zoomslider.heightLimit_).to.be(0);
});
});
describe('#direction_', function() {
it('is horizontal for wide containers', function() {
const control = new ZoomSlider({});
control.element.style.width = '1000px';
control.element.style.height = '10px';
control.setMap(map);
control.initSlider_();
const horizontal = 1;
expect(control.direction_).to.be(horizontal);
control.dispose();
});
it('is vertical for tall containers', function() {
const control = new ZoomSlider({});
control.element.style.width = '10px';
control.element.style.height = '1000px';
control.setMap(map);
const vertical = 0;
expect(control.direction_).to.be(vertical);
control.dispose();
});
});
describe('Pointer event handling', function() {
let map;
beforeEach(function() {
map = new Map({
target: createMapDiv(500, 100),
view: new View({
center: [0, 0],
resolutions: [16, 8, 4, 2, 1, 0.5, 0.25, 0.125, 0.0625]
})
});
});
afterEach(function() {
disposeMap(map);
});
it('[horizontal] handles a drag sequence', function() {
const control = new ZoomSlider();
map.addControl(control);
map.getView().setZoom(0);
control.element.style.width = '500px';
control.element.style.height = '10px';
control.element.firstChild.style.width = '100px';
control.element.firstChild.style.height = '10px';
map.renderSync();
const dragger = control.dragger_;
const event = new PointerEvent('pointerdown', {
target: control.element.firstElementChild
});
event.clientX = control.widthLimit_;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(16);
expect(control.dragging_).to.be(true);
expect(control.dragListenerKeys_.length).to.be(4);
event.type = 'pointermove';
event.clientX = 6 * control.widthLimit_ / 8;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(4);
event.type = 'pointermove';
event.clientX = 4 * control.widthLimit_ / 8;
event.clientY = 0;
dragger.dispatchEvent(event);
event.type = 'pointerup';
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(1);
expect(control.dragListenerKeys_.length).to.be(0);
expect(control.dragging_).to.be(false);
});
it('[horizontal] handles a drag sequence ending outside its bounds', function() {
const control = new ZoomSlider();
map.addControl(control);
map.getView().setZoom(0);
control.element.style.width = '500px';
control.element.style.height = '10px';
control.element.firstChild.style.width = '100px';
control.element.firstChild.style.height = '10px';
map.renderSync();
const dragger = control.dragger_;
const event = new PointerEvent('pointerdown', {
target: control.element.firstElementChild
});
event.clientX = control.widthLimit_;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(16);
expect(control.dragging_).to.be(true);
expect(control.dragListenerKeys_.length).to.be(4);
event.type = 'pointermove';
event.clientX = 6 * control.widthLimit_ / 8;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(4);
event.type = 'pointermove';
event.clientX = 12 * control.widthLimit_ / 8;
event.clientY = 0;
dragger.dispatchEvent(event);
event.type = 'pointerup';
event.target = 'document';
dragger.dispatchEvent(event);
expect(control.dragListenerKeys_.length).to.be(0);
expect(control.dragging_).to.be(false);
expect(control.currentResolution_).to.be(16);
});
it('[vertical] handles a drag sequence', function() {
const control = new ZoomSlider();
control.element.style.width = '10px';
control.element.style.height = '100px';
control.element.firstChild.style.width = '10px';
control.element.firstChild.style.height = '20px';
map.addControl(control);
map.getView().setZoom(8);
map.renderSync();
const dragger = control.dragger_;
const event = new PointerEvent('pointerdown', {
target: control.element.firstElementChild
});
event.clientX = 0;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(0.0625);
expect(control.dragging_).to.be(true);
expect(control.dragListenerKeys_.length).to.be(4);
event.type = 'pointermove';
event.clientX = 0;
event.clientY = 2 * control.heightLimit_ / 8;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(0.25);
event.type = 'pointermove';
event.clientX = 0;
event.clientY = 4 * control.heightLimit_ / 8;
dragger.dispatchEvent(event);
event.type = 'pointerup';
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(1);
expect(control.dragListenerKeys_.length).to.be(0);
expect(control.dragging_).to.be(false);
});
it('[vertical] handles a drag sequence ending outside its bounds', function() {
const control = new ZoomSlider();
control.element.style.width = '10px';
control.element.style.height = '100px';
control.element.firstChild.style.width = '10px';
control.element.firstChild.style.height = '20px';
map.addControl(control);
map.getView().setZoom(8);
map.renderSync();
const dragger = control.dragger_;
const event = new PointerEvent('pointerdown', {
target: control.element.firstElementChild
});
event.clientX = 0;
event.clientY = 0;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(0.0625);
expect(control.dragging_).to.be(true);
expect(control.dragListenerKeys_.length).to.be(4);
event.type = 'pointermove';
event.clientX = 0;
event.clientY = 2 * control.heightLimit_ / 8;
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(0.25);
event.type = 'pointermove';
event.clientX = 0;
event.clientY = 12 * control.heightLimit_ / 8;
dragger.dispatchEvent(event);
event.type = 'pointerup';
dragger.dispatchEvent(event);
expect(control.currentResolution_).to.be(16);
expect(control.dragListenerKeys_.length).to.be(0);
expect(control.dragging_).to.be(false);
});
});
});