113 lines
2.9 KiB
JavaScript
113 lines
2.9 KiB
JavaScript
import {Map, View} from '../../../../src/ol/index.js';
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import EventTarget from '../../../../src/ol/events/Target.js';
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import Interaction, {zoomByDelta} from '../../../../src/ol/interaction/Interaction.js';
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import {FALSE} from '../../../../src/ol/functions.js';
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import {useGeographic, clearUserProjection} from '../../../../src/ol/proj.js';
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describe('ol.interaction.Interaction', function() {
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describe('constructor', function() {
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let interaction;
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beforeEach(function() {
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interaction = new Interaction({});
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});
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it('creates a new interaction', function() {
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expect(interaction).to.be.a(Interaction);
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expect(interaction).to.be.a(EventTarget);
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});
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it('creates an active interaction', function() {
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expect(interaction.getActive()).to.be(true);
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});
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});
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describe('#getMap()', function() {
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it('retrieves the associated map', function() {
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const map = new Map({});
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const interaction = new Interaction({});
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interaction.setMap(map);
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expect(interaction.getMap()).to.be(map);
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});
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it('returns null if no map', function() {
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const interaction = new Interaction({});
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expect(interaction.getMap()).to.be(null);
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});
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});
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describe('#setMap()', function() {
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it('allows a map to be set', function() {
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const map = new Map({});
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const interaction = new Interaction({});
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interaction.setMap(map);
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expect(interaction.getMap()).to.be(map);
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});
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it('accepts null', function() {
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const interaction = new Interaction({});
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interaction.setMap(null);
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expect(interaction.getMap()).to.be(null);
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});
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});
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describe('#handleEvent()', function() {
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class MockInteraction extends Interaction {
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constructor() {
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super(...arguments);
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}
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handleEvent(mapBrowserEvent) {
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return false;
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}
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}
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it('has a default event handler', function() {
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const interaction = new Interaction({});
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expect(interaction.handleEvent()).to.be(true);
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});
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it('allows event handler overrides via options', function() {
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const interaction = new Interaction({
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handleEvent: FALSE
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});
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expect(interaction.handleEvent()).to.be(false);
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});
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it('allows event handler overrides via class extension', function() {
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const interaction = new MockInteraction({});
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expect(interaction.handleEvent()).to.be(false);
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});
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});
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});
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describe('zoomByDelta - useGeographic', () => {
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beforeEach(useGeographic);
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afterEach(clearUserProjection);
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it('works with a user projection set', done => {
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const view = new View({
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center: [0, 0],
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zoom: 0
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});
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const anchor = [90, 45];
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const duration = 10;
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zoomByDelta(view, 1, anchor, duration);
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setTimeout(() => {
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const center = view.getCenter();
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expect(center[0]).to.be(45);
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expect(center[1]).to.roughlyEqual(24.4698, 1e-4);
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done();
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}, 2 * duration);
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});
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});
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