144 lines
3.5 KiB
JavaScript
144 lines
3.5 KiB
JavaScript
import TileLayer from '../../../../../src/ol/layer/Tile.js';
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import {Map, View} from '../../../../../src/ol/index.js';
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import {OSM, XYZ} from '../../../../../src/ol/source.js';
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describe('ol/layer/Tile', function () {
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describe('constructor (defaults)', function () {
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let layer;
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beforeEach(function () {
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layer = new TileLayer({
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source: new OSM(),
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});
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});
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afterEach(function () {
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layer.dispose();
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});
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it('creates an instance', function () {
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expect(layer).to.be.a(TileLayer);
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});
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it('provides default preload', function () {
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expect(layer.getPreload()).to.be(0);
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});
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it('provides default useInterimTilesOnError', function () {
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expect(layer.getUseInterimTilesOnError()).to.be(true);
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});
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});
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describe('getData()', () => {
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let map, target, layer;
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beforeEach((done) => {
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target = document.createElement('div');
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target.style.width = '100px';
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target.style.height = '100px';
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document.body.appendChild(target);
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layer = new TileLayer({
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source: new XYZ({
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url: 'spec/ol/data/osm-0-0-0.png',
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}),
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});
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map = new Map({
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target: target,
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layers: [layer],
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view: new View({
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center: [0, 0],
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zoom: 0,
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}),
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});
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map.once('rendercomplete', () => done());
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});
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afterEach(() => {
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map.setTarget(null);
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document.body.removeChild(target);
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});
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it('gets pixel data', () => {
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const data = layer.getData([50, 50]);
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expect(data).to.be.a(Uint8ClampedArray);
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expect(data.length).to.be(4);
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expect(data[0]).to.be(181);
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expect(data[1]).to.be(208);
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expect(data[2]).to.be(208);
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expect(data[3]).to.be(255);
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});
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});
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describe('frameState.animate after tile transition with layer opacity', function () {
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let target, map;
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beforeEach(function (done) {
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target = document.createElement('div');
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Object.assign(target.style, {
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position: 'absolute',
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left: '-1000px',
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top: '-1000px',
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width: '256px',
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height: '256px',
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});
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document.body.appendChild(target);
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map = new Map({
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target: target,
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view: new View({center: [0, 0], zoom: 1}),
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});
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map.once('rendercomplete', function () {
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done();
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});
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});
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afterEach(function () {
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map.dispose();
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document.body.removeChild(target);
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});
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it('sets frameState.animate to false when opacity is 1', function (done) {
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let lastFrameState;
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const layer = new TileLayer({
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opacity: 1,
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source: new XYZ({
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url: 'spec/ol/data/osm-0-0-0.png',
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}),
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});
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layer.on('postrender', function (event) {
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lastFrameState = event.frameState;
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});
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map.once('rendercomplete', function () {
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expect(lastFrameState.animate).to.be(false);
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done();
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});
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map.addLayer(layer);
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});
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it('sets frameState.animate to false when opacity is 0.5', function (done) {
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let lastFrameState;
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const layer = new TileLayer({
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opacity: 0.5,
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source: new XYZ({
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url: 'spec/ol/data/osm-0-0-0.png',
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}),
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});
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layer.on('postrender', function (event) {
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lastFrameState = event.frameState;
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});
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map.once('rendercomplete', function () {
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expect(lastFrameState.animate).to.be(false);
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done();
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});
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map.addLayer(layer);
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});
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});
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});
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