1443 lines
39 KiB
JavaScript
1443 lines
39 KiB
JavaScript
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goog.require('ol');
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goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.ViewHint');
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goog.require('ol.extent');
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goog.require('ol.geom.Circle');
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goog.require('ol.geom.LineString');
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goog.require('ol.geom.Point');
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describe('ol.View', function() {
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describe('constructor (defaults)', function() {
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var view;
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beforeEach(function() {
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view = new ol.View();
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});
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it('creates an instance', function() {
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expect(view).to.be.a(ol.View);
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});
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it('provides default rotation', function() {
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expect(view.getRotation()).to.be(0);
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});
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});
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describe('create constraints', function() {
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describe('create center constraint', function() {
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describe('with no options', function() {
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it('gives a correct center constraint function', function() {
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var options = {};
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var fn = ol.View.createCenterConstraint_(options);
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expect(fn([0, 0])).to.eql([0, 0]);
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expect(fn(undefined)).to.eql(undefined);
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expect(fn([42, -100])).to.eql([42, -100]);
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});
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});
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describe('with extent option', function() {
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it('gives a correct center constraint function', function() {
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var options = {
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extent: [0, 0, 1, 1]
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};
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var fn = ol.View.createCenterConstraint_(options);
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expect(fn([0, 0])).to.eql([0, 0]);
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expect(fn([-10, 0])).to.eql([0, 0]);
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expect(fn([100, 100])).to.eql([1, 1]);
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});
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});
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});
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describe('create resolution constraint', function() {
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describe('with no options', function() {
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it('gives a correct resolution constraint function', function() {
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var options = {};
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var fn = ol.View.createResolutionConstraint_(options).constraint;
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expect(fn(156543.03392804097, 0, 0))
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.to.roughlyEqual(156543.03392804097, 1e-9);
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expect(fn(78271.51696402048, 0, 0))
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.to.roughlyEqual(78271.51696402048, 1e-10);
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});
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});
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describe('with maxResolution, maxZoom, and zoomFactor options',
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function() {
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it('gives a correct resolution constraint function', function() {
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var options = {
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maxResolution: 81,
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maxZoom: 3,
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zoomFactor: 3
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};
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var info = ol.View.createResolutionConstraint_(options);
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var maxResolution = info.maxResolution;
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expect(maxResolution).to.eql(81);
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var minResolution = info.minResolution;
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expect(minResolution).to.eql(3);
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var fn = info.constraint;
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expect(fn(82, 0, 0)).to.eql(81);
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expect(fn(81, 0, 0)).to.eql(81);
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expect(fn(27, 0, 0)).to.eql(27);
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expect(fn(9, 0, 0)).to.eql(9);
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expect(fn(3, 0, 0)).to.eql(3);
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expect(fn(2, 0, 0)).to.eql(3);
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});
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});
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describe('with resolutions', function() {
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it('gives a correct resolution constraint function', function() {
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var options = {
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resolutions: [97, 76, 65, 54, 0.45]
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};
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var info = ol.View.createResolutionConstraint_(options);
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var maxResolution = info.maxResolution;
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expect(maxResolution).to.eql(97);
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var minResolution = info.minResolution;
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expect(minResolution).to.eql(0.45);
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var fn = info.constraint;
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expect(fn(97, 0, 0)).to.eql(97);
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expect(fn(76, 0, 0)).to.eql(76);
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expect(fn(65, 0, 0)).to.eql(65);
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expect(fn(54, 0, 0)).to.eql(54);
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expect(fn(0.45, 0, 0)).to.eql(0.45);
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});
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});
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describe('with zoom related options', function() {
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var defaultMaxRes = 156543.03392804097;
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function getConstraint(options) {
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return ol.View.createResolutionConstraint_(options).constraint;
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}
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it('works with only maxZoom', function() {
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var maxZoom = 10;
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var constraint = getConstraint({
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maxZoom: maxZoom
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes, 1e-9);
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expect(constraint(0, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(2, maxZoom), 1e-9);
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});
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it('works with only minZoom', function() {
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var minZoom = 5;
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var constraint = getConstraint({
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minZoom: minZoom
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(2, minZoom), 1e-9);
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expect(constraint(0, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(2, 28), 1e-9);
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});
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it('works with maxZoom and minZoom', function() {
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var minZoom = 2;
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var maxZoom = 11;
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var constraint = getConstraint({
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minZoom: minZoom,
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maxZoom: maxZoom
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(2, minZoom), 1e-9);
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expect(constraint(0, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(2, maxZoom), 1e-9);
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});
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it('works with maxZoom, minZoom, and zoomFactor', function() {
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var minZoom = 4;
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var maxZoom = 8;
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var zoomFactor = 3;
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var constraint = getConstraint({
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minZoom: minZoom,
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maxZoom: maxZoom,
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zoomFactor: zoomFactor
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(zoomFactor, minZoom), 1e-9);
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expect(constraint(0, 0, 0)).to.roughlyEqual(
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defaultMaxRes / Math.pow(zoomFactor, maxZoom), 1e-9);
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});
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});
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describe('with resolution related options', function() {
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var defaultMaxRes = 156543.03392804097;
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function getConstraint(options) {
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return ol.View.createResolutionConstraint_(options).constraint;
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}
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it('works with only maxResolution', function() {
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var maxResolution = 10e6;
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var constraint = getConstraint({
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maxResolution: maxResolution
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});
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expect(constraint(maxResolution * 3, 0, 0)).to.roughlyEqual(
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maxResolution, 1e-9);
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var minResolution = constraint(0, 0, 0);
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var defaultMinRes = defaultMaxRes / Math.pow(2, 28);
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expect(minResolution).to.be.greaterThan(defaultMinRes);
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expect(minResolution / defaultMinRes).to.be.lessThan(2);
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});
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it('works with only minResolution', function() {
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var minResolution = 100;
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var constraint = getConstraint({
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minResolution: minResolution
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes, 1e-9);
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var constrainedMinRes = constraint(0, 0, 0);
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expect(constrainedMinRes).to.be.greaterThan(minResolution);
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expect(constrainedMinRes / minResolution).to.be.lessThan(2);
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});
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it('works with minResolution and maxResolution', function() {
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var constraint = getConstraint({
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maxResolution: 500,
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minResolution: 100
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});
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expect(constraint(600, 0, 0)).to.be(500);
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expect(constraint(500, 0, 0)).to.be(500);
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expect(constraint(400, 0, 0)).to.be(500);
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expect(constraint(300, 0, 0)).to.be(250);
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expect(constraint(200, 0, 0)).to.be(250);
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expect(constraint(100, 0, 0)).to.be(125);
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expect(constraint(0, 0, 0)).to.be(125);
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});
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it('accepts minResolution, maxResolution, and zoomFactor', function() {
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var constraint = getConstraint({
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maxResolution: 500,
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minResolution: 1,
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zoomFactor: 10
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});
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expect(constraint(1000, 0, 0)).to.be(500);
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expect(constraint(500, 0, 0)).to.be(500);
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expect(constraint(100, 0, 0)).to.be(50);
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expect(constraint(50, 0, 0)).to.be(50);
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expect(constraint(10, 0, 0)).to.be(5);
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expect(constraint(1, 0, 0)).to.be(5);
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});
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});
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describe('overspecified options (prefers resolution)', function() {
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var defaultMaxRes = 156543.03392804097;
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function getConstraint(options) {
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return ol.View.createResolutionConstraint_(options).constraint;
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}
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it('respects maxResolution over minZoom', function() {
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var maxResolution = 10e6;
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var minZoom = 8;
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var constraint = getConstraint({
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maxResolution: maxResolution,
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minZoom: minZoom
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});
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expect(constraint(maxResolution * 3, 0, 0)).to.roughlyEqual(
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maxResolution, 1e-9);
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var minResolution = constraint(0, 0, 0);
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var defaultMinRes = defaultMaxRes / Math.pow(2, 28);
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expect(minResolution).to.be.greaterThan(defaultMinRes);
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expect(minResolution / defaultMinRes).to.be.lessThan(2);
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});
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it('respects minResolution over maxZoom', function() {
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var minResolution = 100;
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var maxZoom = 50;
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var constraint = getConstraint({
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minResolution: minResolution,
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maxZoom: maxZoom
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});
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expect(constraint(defaultMaxRes, 0, 0)).to.roughlyEqual(
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defaultMaxRes, 1e-9);
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var constrainedMinRes = constraint(0, 0, 0);
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expect(constrainedMinRes).to.be.greaterThan(minResolution);
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expect(constrainedMinRes / minResolution).to.be.lessThan(2);
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});
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});
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});
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describe('create rotation constraint', function() {
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it('gives a correct rotation constraint function', function() {
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var options = {};
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var fn = ol.View.createRotationConstraint_(options);
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expect(fn(0.01, 0)).to.eql(0);
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expect(fn(0.15, 0)).to.eql(0.15);
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});
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});
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});
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describe('#setHint()', function() {
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it('changes a view hint', function() {
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var view = new ol.View({
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center: [0, 0],
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zoom: 0
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});
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expect(view.getHints()).to.eql([0, 0]);
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expect(view.getInteracting()).to.eql(false);
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view.setHint(ol.ViewHint.INTERACTING, 1);
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expect(view.getHints()).to.eql([0, 1]);
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expect(view.getInteracting()).to.eql(true);
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});
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it('triggers the change event', function(done) {
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var view = new ol.View({
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center: [0, 0],
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zoom: 0
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});
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view.on('change', function() {
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expect(view.getHints()).to.eql([0, 1]);
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expect(view.getInteracting()).to.eql(true);
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done();
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});
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view.setHint(ol.ViewHint.INTERACTING, 1);
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});
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});
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describe('#getUpdatedOptions_()', function() {
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it('applies minZoom to constructor options', function() {
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var view = new ol.View({
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center: [0, 0],
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minZoom: 2,
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zoom: 10
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});
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var options = view.getUpdatedOptions_({minZoom: 3});
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expect(options.center).to.eql([0, 0]);
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expect(options.minZoom).to.eql(3);
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expect(options.zoom).to.eql(10);
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});
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it('applies the current zoom', function() {
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var view = new ol.View({
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center: [0, 0],
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zoom: 10
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});
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view.setZoom(8);
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var options = view.getUpdatedOptions_();
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expect(options.center).to.eql([0, 0]);
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expect(options.zoom).to.eql(8);
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});
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it('applies the current resolution if resolution was originally supplied', function() {
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var view = new ol.View({
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center: [0, 0],
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resolution: 1000
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});
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view.setResolution(500);
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var options = view.getUpdatedOptions_();
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expect(options.center).to.eql([0, 0]);
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expect(options.resolution).to.eql(500);
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});
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it('applies the current center', function() {
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var view = new ol.View({
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center: [0, 0],
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zoom: 10
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});
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view.setCenter([1, 2]);
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var options = view.getUpdatedOptions_();
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expect(options.center).to.eql([1, 2]);
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expect(options.zoom).to.eql(10);
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});
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it('applies the current rotation', function() {
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var view = new ol.View({
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center: [0, 0],
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zoom: 10
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});
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view.setRotation(Math.PI / 6);
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var options = view.getUpdatedOptions_();
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expect(options.center).to.eql([0, 0]);
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expect(options.zoom).to.eql(10);
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expect(options.rotation).to.eql(Math.PI / 6);
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});
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});
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describe('#animate()', function() {
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var originalRequestAnimationFrame = window.requestAnimationFrame;
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var originalCancelAnimationFrame = window.cancelAnimationFrame;
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beforeEach(function() {
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window.requestAnimationFrame = function(callback) {
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return setTimeout(callback, 1);
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};
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window.cancelAnimationFrame = function(key) {
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return clearTimeout(key);
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};
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});
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afterEach(function() {
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window.requestAnimationFrame = originalRequestAnimationFrame;
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window.cancelAnimationFrame = originalCancelAnimationFrame;
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});
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it('can be called to animate view properties', function(done) {
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var view = new ol.View({
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center: [0, 0],
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zoom: 5
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});
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view.animate({
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zoom: 4,
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duration: 25
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});
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expect(view.getAnimating()).to.eql(true);
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setTimeout(function() {
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expect(view.getCenter()).to.eql([0, 0]);
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expect(view.getZoom()).to.eql(4);
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expect(view.getAnimating()).to.eql(false);
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done();
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}, 50);
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});
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it('allows duration to be zero', function(done) {
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var view = new ol.View({
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center: [0, 0],
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zoom: 5
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});
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view.animate({
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zoom: 4,
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duration: 0
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});
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setTimeout(function() {
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expect(view.getCenter()).to.eql([0, 0]);
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expect(view.getZoom()).to.eql(4);
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expect(view.getAnimating()).to.eql(false);
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done();
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}, 10);
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});
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it('immediately completes for no-op animations', function() {
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var view = new ol.View({
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center: [0, 0],
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zoom: 5
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});
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view.animate({
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zoom: 5,
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center: [0, 0],
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duration: 25
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});
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expect(view.getAnimating()).to.eql(false);
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});
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it('immediately completes if view is not defined before', function() {
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var view = new ol.View();
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var center = [1, 2];
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var zoom = 3;
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var rotation = 0.4;
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view.animate({
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zoom: zoom,
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center: center,
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rotation: rotation,
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duration: 25
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});
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expect(view.getAnimating()).to.eql(false);
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expect(view.getCenter()).to.eql(center);
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expect(view.getZoom()).to.eql(zoom);
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expect(view.getRotation()).to.eql(rotation);
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});
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it('sets final animation state if view is not defined before', function() {
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var view = new ol.View();
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var center = [1, 2];
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var zoom = 3;
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var rotation = 0.4;
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view.animate({
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zoom: 1
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}, {
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center: [2, 3]
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}, {
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rotation: 4
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}, {
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zoom: zoom,
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center: center,
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rotation: rotation,
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duration: 25
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});
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expect(view.getAnimating()).to.eql(false);
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expect(view.getCenter()).to.eql(center);
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expect(view.getZoom()).to.eql(zoom);
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expect(view.getRotation()).to.eql(rotation);
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});
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it('prefers zoom over resolution', function(done) {
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var view = new ol.View({
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center: [0, 0],
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zoom: 5
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});
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view.animate({
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zoom: 4,
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resolution: view.getResolution() * 3,
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duration: 25
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}, function(complete) {
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expect(complete).to.be(true);
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expect(view.getZoom()).to.be(4);
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done();
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});
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});
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it('avoids going under minResolution', function(done) {
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var maxZoom = 14;
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var view = new ol.View({
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center: [0, 0],
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zoom: 0,
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maxZoom: maxZoom
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});
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var minResolution = view.getMinResolution();
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view.animate({
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resolution: minResolution,
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duration: 10
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}, function(complete) {
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expect(complete).to.be(true);
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expect(view.getResolution()).to.be(minResolution);
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expect(view.getZoom()).to.be(maxZoom);
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done();
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});
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});
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|
|
it('takes the shortest arc to the target rotation', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: Math.PI / 180 * 1
|
|
});
|
|
view.animate({
|
|
rotation: Math.PI / 180 * 359,
|
|
duration: 0
|
|
}, function() {
|
|
expect(view.getRotation()).to.roughlyEqual(Math.PI / 180 * -1, 1e-12);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('normalizes rotation to angles between -180 and 180 degrees after the anmiation', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: Math.PI / 180 * 1
|
|
});
|
|
view.animate({
|
|
rotation: Math.PI / 180 * -181,
|
|
duration: 0
|
|
}, function() {
|
|
expect(view.getRotation()).to.roughlyEqual(Math.PI / 180 * 179, 1e-12);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('calls a callback when animation completes', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
view.animate({
|
|
zoom: 1,
|
|
duration: 25
|
|
}, function(complete) {
|
|
expect(complete).to.be(true);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('calls callback with false when animation is interrupted', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
view.animate({
|
|
zoom: 1,
|
|
duration: 25
|
|
}, function(complete) {
|
|
expect(complete).to.be(false);
|
|
done();
|
|
});
|
|
|
|
view.setCenter([1, 2]); // interrupt the animation
|
|
});
|
|
|
|
it('calls a callback even if animation is a no-op', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
view.animate({
|
|
zoom: 0,
|
|
duration: 25
|
|
}, function(complete) {
|
|
expect(complete).to.be(true);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('calls a callback if view is not defined before', function(done) {
|
|
var view = new ol.View();
|
|
|
|
view.animate({
|
|
zoom: 10,
|
|
duration: 25
|
|
}, function(complete) {
|
|
expect(view.getZoom()).to.be(10);
|
|
expect(complete).to.be(true);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('can run multiple animations in series', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
var checked = false;
|
|
|
|
view.animate({
|
|
zoom: 2,
|
|
duration: 25
|
|
}, {
|
|
center: [10, 10],
|
|
duration: 25
|
|
}, function(complete) {
|
|
expect(checked).to.be(true);
|
|
expect(view.getZoom()).to.roughlyEqual(2, 1e-5);
|
|
expect(view.getCenter()).to.eql([10, 10]);
|
|
expect(complete).to.be(true);
|
|
done();
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getCenter()).to.eql([0, 0]);
|
|
checked = true;
|
|
}, 10);
|
|
|
|
});
|
|
|
|
it('properly sets the ANIMATING hint', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: 0
|
|
});
|
|
|
|
var count = 3;
|
|
function decrement() {
|
|
--count;
|
|
if (count === 0) {
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(0);
|
|
done();
|
|
}
|
|
}
|
|
view.animate({
|
|
center: [1, 2],
|
|
duration: 25
|
|
}, decrement);
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(1);
|
|
|
|
view.animate({
|
|
zoom: 1,
|
|
duration: 25
|
|
}, decrement);
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(2);
|
|
|
|
view.animate({
|
|
rotation: Math.PI,
|
|
duration: 25
|
|
}, decrement);
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(3);
|
|
|
|
});
|
|
|
|
it('clears the ANIMATING hint when animations are cancelled', function() {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: 0
|
|
});
|
|
|
|
view.animate({
|
|
center: [1, 2],
|
|
duration: 25
|
|
});
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(1);
|
|
|
|
view.animate({
|
|
zoom: 1,
|
|
duration: 25
|
|
});
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(2);
|
|
|
|
view.animate({
|
|
rotation: Math.PI,
|
|
duration: 25
|
|
});
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(3);
|
|
|
|
// cancel animations
|
|
view.setCenter([10, 20]);
|
|
expect(view.getHints()[ol.ViewHint.ANIMATING]).to.be(0);
|
|
|
|
});
|
|
|
|
it('completes multiple staggered animations run in parallel', function(done) {
|
|
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
var calls = 0;
|
|
|
|
view.animate({
|
|
zoom: 1,
|
|
duration: 25
|
|
}, function() {
|
|
++calls;
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getZoom() > 0).to.be(true);
|
|
expect(view.getZoom() < 1).to.be(true);
|
|
expect(view.getAnimating()).to.be(true);
|
|
view.animate({
|
|
zoom: 2,
|
|
duration: 50
|
|
}, function() {
|
|
expect(calls).to.be(1);
|
|
expect(view.getZoom()).to.be(2);
|
|
expect(view.getAnimating()).to.be(false);
|
|
done();
|
|
});
|
|
}, 10);
|
|
|
|
});
|
|
|
|
it('completes complex animation using resolution', function(done) {
|
|
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
resolution: 2
|
|
});
|
|
|
|
var calls = 0;
|
|
|
|
function onAnimateEnd() {
|
|
if (calls == 2) {
|
|
expect(view.getAnimating()).to.be(false);
|
|
done();
|
|
}
|
|
}
|
|
|
|
view.animate({
|
|
center: [100, 100],
|
|
duration: 50
|
|
}, function() {
|
|
++calls;
|
|
expect(view.getCenter()).to.eql([100, 100]);
|
|
onAnimateEnd();
|
|
});
|
|
|
|
view.animate({
|
|
resolution: 2000,
|
|
duration: 25
|
|
}, {
|
|
resolution: 2,
|
|
duration: 25
|
|
}, function() {
|
|
++calls;
|
|
expect(view.getResolution()).to.be(2);
|
|
onAnimateEnd();
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getResolution() > 2).to.be(true);
|
|
expect(view.getResolution() < 2000).to.be(true);
|
|
expect(view.getAnimating()).to.be(true);
|
|
}, 10);
|
|
|
|
setTimeout(function() {
|
|
expect(view.getResolution() > 2).to.be(true);
|
|
expect(view.getResolution() < 2000).to.be(true);
|
|
expect(view.getAnimating()).to.be(true);
|
|
}, 40);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('#cancelAnimations()', function() {
|
|
|
|
var originalRequestAnimationFrame = window.requestAnimationFrame;
|
|
var originalCancelAnimationFrame = window.cancelAnimationFrame;
|
|
|
|
beforeEach(function() {
|
|
window.requestAnimationFrame = function(callback) {
|
|
return setTimeout(callback, 1);
|
|
};
|
|
window.cancelAnimationFrame = function(key) {
|
|
return clearTimeout(key);
|
|
};
|
|
});
|
|
|
|
afterEach(function() {
|
|
window.requestAnimationFrame = originalRequestAnimationFrame;
|
|
window.cancelAnimationFrame = originalCancelAnimationFrame;
|
|
});
|
|
|
|
it('cancels a currently running animation', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: 0
|
|
});
|
|
|
|
view.animate({
|
|
rotation: 10,
|
|
duration: 50
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getAnimating()).to.be(true);
|
|
view.once('change', function() {
|
|
expect(view.getAnimating()).to.be(false);
|
|
done();
|
|
});
|
|
view.cancelAnimations();
|
|
}, 10);
|
|
});
|
|
|
|
it('cancels a multiple animations', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0,
|
|
rotation: 0
|
|
});
|
|
|
|
view.animate({
|
|
rotation: 10,
|
|
duration: 50
|
|
}, {
|
|
zoom: 10,
|
|
duration: 50
|
|
});
|
|
|
|
view.animate({
|
|
center: [10, 30],
|
|
duration: 100
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getAnimating()).to.be(true);
|
|
view.once('change', function() {
|
|
expect(view.getAnimating()).to.be(false);
|
|
done();
|
|
});
|
|
view.cancelAnimations();
|
|
}, 10);
|
|
});
|
|
|
|
it('calls callbacks with false to indicate animations did not complete', function(done) {
|
|
var view = new ol.View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
view.animate({
|
|
zoom: 10,
|
|
duration: 50
|
|
}, function(complete) {
|
|
expect(view.getAnimating()).to.be(false);
|
|
expect(complete).to.be(false);
|
|
done();
|
|
});
|
|
|
|
setTimeout(function() {
|
|
expect(view.getAnimating()).to.be(true);
|
|
view.cancelAnimations();
|
|
}, 10);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getResolutions', function() {
|
|
var view;
|
|
var resolutions = [512, 256, 128, 64, 32, 16];
|
|
|
|
it('returns correct resolutions', function() {
|
|
view = new ol.View({
|
|
resolutions: resolutions
|
|
});
|
|
expect(view.getResolutions()).to.be(resolutions);
|
|
});
|
|
|
|
it('returns resolutions as undefined', function() {
|
|
view = new ol.View();
|
|
expect(view.getResolutions()).to.be(undefined);
|
|
});
|
|
});
|
|
|
|
describe('#getZoom', function() {
|
|
var view;
|
|
beforeEach(function() {
|
|
view = new ol.View({
|
|
resolutions: [512, 256, 128, 64, 32, 16]
|
|
});
|
|
});
|
|
|
|
it('returns correct zoom levels', function() {
|
|
view.setResolution(undefined);
|
|
expect(view.getZoom()).to.be(undefined);
|
|
|
|
view.setResolution(513);
|
|
expect(view.getZoom()).to.be(undefined);
|
|
|
|
view.setResolution(512);
|
|
expect(view.getZoom()).to.be(0);
|
|
|
|
view.setResolution(100);
|
|
expect(view.getZoom()).to.roughlyEqual(2.35614, 1e-5);
|
|
|
|
view.setResolution(65);
|
|
expect(view.getZoom()).to.roughlyEqual(2.97763, 1e-5);
|
|
|
|
view.setResolution(64);
|
|
expect(view.getZoom()).to.be(3);
|
|
|
|
view.setResolution(16);
|
|
expect(view.getZoom()).to.be(5);
|
|
|
|
view.setResolution(15);
|
|
expect(view.getZoom()).to.be(undefined);
|
|
});
|
|
|
|
it('works for resolution arrays with variable zoom factors', function() {
|
|
var view = new ol.View({
|
|
resolutions: [10, 5, 2, 1]
|
|
});
|
|
|
|
view.setZoom(1);
|
|
expect(view.getZoom()).to.be(1);
|
|
|
|
view.setZoom(1.3);
|
|
expect(view.getZoom()).to.be(1.3);
|
|
|
|
view.setZoom(2);
|
|
expect(view.getZoom()).to.be(2);
|
|
|
|
view.setZoom(2.7);
|
|
expect(view.getZoom()).to.be(2.7);
|
|
|
|
view.setZoom(3);
|
|
expect(view.getZoom()).to.be(3);
|
|
|
|
});
|
|
});
|
|
|
|
describe('#getZoom() - constrained', function() {
|
|
it('returns correct zoom levels', function() {
|
|
var view = new ol.View({
|
|
minZoom: 10,
|
|
maxZoom: 20
|
|
});
|
|
|
|
view.setZoom(5);
|
|
expect(view.getZoom()).to.be(10);
|
|
|
|
view.setZoom(10);
|
|
expect(view.getZoom()).to.be(10);
|
|
|
|
view.setZoom(15);
|
|
expect(view.getZoom()).to.be(15);
|
|
|
|
view.setZoom(15.3);
|
|
expect(view.getZoom()).to.be(15.3);
|
|
|
|
view.setZoom(20);
|
|
expect(view.getZoom()).to.be(20);
|
|
|
|
view.setZoom(25);
|
|
expect(view.getZoom()).to.be(20);
|
|
});
|
|
});
|
|
|
|
describe('#getZoom() - custom ol.DEFAULT_MIN_ZOOM', function() {
|
|
var defaultMinZoom = ol.DEFAULT_MIN_ZOOM;
|
|
|
|
afterEach(function() {
|
|
ol.DEFAULT_MIN_ZOOM = defaultMinZoom;
|
|
});
|
|
|
|
it('respects custom ol.DEFAULT_MIN_ZOOM', function() {
|
|
ol.DEFAULT_MIN_ZOOM = 2;
|
|
|
|
var view = new ol.View();
|
|
|
|
view.setZoom(1);
|
|
expect(view.getZoom()).to.be(2);
|
|
|
|
view.setZoom(2);
|
|
expect(view.getZoom()).to.be(2);
|
|
|
|
view.setZoom(3);
|
|
expect(view.getZoom()).to.be(3);
|
|
});
|
|
});
|
|
|
|
describe('#getZoom() - overspecified', function() {
|
|
|
|
it('gives maxResolution precedence over minZoom', function() {
|
|
|
|
var view = new ol.View({
|
|
maxResolution: 100,
|
|
minZoom: 2 // this should get ignored
|
|
});
|
|
|
|
view.setResolution(100);
|
|
expect(view.getZoom()).to.be(0);
|
|
|
|
view.setZoom(0);
|
|
expect(view.getResolution()).to.be(100);
|
|
});
|
|
});
|
|
|
|
describe('#getZoomForResolution', function() {
|
|
|
|
it('returns correct zoom levels', function() {
|
|
var view = new ol.View();
|
|
var max = view.getMaxResolution();
|
|
|
|
expect(view.getZoomForResolution(max)).to.be(0);
|
|
|
|
expect(view.getZoomForResolution(max / 2)).to.be(1);
|
|
|
|
expect(view.getZoomForResolution(max / 4)).to.be(2);
|
|
});
|
|
|
|
it('returns correct zoom levels for specifically configured resolutions', function() {
|
|
var view = new ol.View({
|
|
resolutions: [10, 8, 6, 4, 2]
|
|
});
|
|
|
|
expect(view.getZoomForResolution(10)).to.be(0);
|
|
|
|
expect(view.getZoomForResolution(8)).to.be(1);
|
|
|
|
expect(view.getZoomForResolution(6)).to.be(2);
|
|
|
|
expect(view.getZoomForResolution(4)).to.be(3);
|
|
|
|
expect(view.getZoomForResolution(2)).to.be(4);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getResolutionForZoom', function() {
|
|
|
|
it('returns correct zoom resolution', function() {
|
|
var view = new ol.View();
|
|
var max = view.getMaxZoom();
|
|
var min = view.getMinZoom();
|
|
|
|
expect(view.getResolutionForZoom(max)).to.be(view.getMinResolution());
|
|
expect(view.getResolutionForZoom(min)).to.be(view.getMaxResolution());
|
|
});
|
|
|
|
it('returns correct zoom levels for specifically configured resolutions', function() {
|
|
var view = new ol.View({
|
|
resolutions: [10, 8, 6, 4, 2]
|
|
});
|
|
|
|
expect(view.getResolutionForZoom(0)).to.be(10);
|
|
expect(view.getResolutionForZoom(1)).to.be(8);
|
|
expect(view.getResolutionForZoom(2)).to.be(6);
|
|
expect(view.getResolutionForZoom(3)).to.be(4);
|
|
expect(view.getResolutionForZoom(4)).to.be(2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getMaxZoom', function() {
|
|
|
|
it('returns the zoom level for the min resolution', function() {
|
|
var view = new ol.View();
|
|
expect(view.getMaxZoom()).to.be(view.getZoomForResolution(view.getMinResolution()));
|
|
});
|
|
|
|
it('works for a view configured with a maxZoom', function() {
|
|
var view = new ol.View({
|
|
maxZoom: 10
|
|
});
|
|
expect(view.getMaxZoom()).to.be(10);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getMinZoom', function() {
|
|
|
|
it('returns the zoom level for the max resolution', function() {
|
|
var view = new ol.View();
|
|
expect(view.getMinZoom()).to.be(view.getZoomForResolution(view.getMaxResolution()));
|
|
});
|
|
|
|
it('works for views configured with a minZoom', function() {
|
|
var view = new ol.View({
|
|
minZoom: 3
|
|
});
|
|
expect(view.getMinZoom()).to.be(3);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#calculateExtent', function() {
|
|
it('returns the expected extent', function() {
|
|
var view = new ol.View({
|
|
resolutions: [512],
|
|
zoom: 0,
|
|
center: [0, 0]
|
|
});
|
|
|
|
var extent = view.calculateExtent([100, 200]);
|
|
expect(extent[0]).to.be(-25600);
|
|
expect(extent[1]).to.be(-51200);
|
|
expect(extent[2]).to.be(25600);
|
|
expect(extent[3]).to.be(51200);
|
|
});
|
|
it('returns the expected extent with rotation', function() {
|
|
var view = new ol.View({
|
|
resolutions: [512],
|
|
zoom: 0,
|
|
center: [0, 0],
|
|
rotation: Math.PI / 2
|
|
});
|
|
var extent = view.calculateExtent([100, 200]);
|
|
expect(extent[0]).to.roughlyEqual(-51200, 1e-9);
|
|
expect(extent[1]).to.roughlyEqual(-25600, 1e-9);
|
|
expect(extent[2]).to.roughlyEqual(51200, 1e-9);
|
|
expect(extent[3]).to.roughlyEqual(25600, 1e-9);
|
|
});
|
|
});
|
|
|
|
describe('#getSizeFromViewport_()', function() {
|
|
var map, target;
|
|
beforeEach(function() {
|
|
target = document.createElement('div');
|
|
target.style.width = '200px';
|
|
target.style.height = '150px';
|
|
map = new ol.Map({
|
|
target: target
|
|
});
|
|
document.body.appendChild(target);
|
|
});
|
|
afterEach(function() {
|
|
map.setTarget(null);
|
|
document.body.removeChild(target);
|
|
});
|
|
it('calculates the size correctly', function() {
|
|
var size = map.getView().getSizeFromViewport_();
|
|
expect(size).to.eql([200, 150]);
|
|
});
|
|
});
|
|
|
|
describe('fit', function() {
|
|
|
|
var originalRequestAnimationFrame = window.requestAnimationFrame;
|
|
var originalCancelAnimationFrame = window.cancelAnimationFrame;
|
|
|
|
beforeEach(function() {
|
|
window.requestAnimationFrame = function(callback) {
|
|
return setTimeout(callback, 1);
|
|
};
|
|
window.cancelAnimationFrame = function(key) {
|
|
return clearTimeout(key);
|
|
};
|
|
});
|
|
|
|
afterEach(function() {
|
|
window.requestAnimationFrame = originalRequestAnimationFrame;
|
|
window.cancelAnimationFrame = originalCancelAnimationFrame;
|
|
});
|
|
|
|
var view;
|
|
beforeEach(function() {
|
|
view = new ol.View({
|
|
center: [0, 0],
|
|
resolutions: [200, 100, 50, 20, 10, 5, 2, 1],
|
|
zoom: 5
|
|
});
|
|
});
|
|
it('fits correctly to the geometry', function() {
|
|
view.fit(
|
|
new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100], constrainResolution: false});
|
|
expect(view.getResolution()).to.be(11);
|
|
expect(view.getCenter()[0]).to.be(5950);
|
|
expect(view.getCenter()[1]).to.be(47100);
|
|
|
|
view.fit(
|
|
new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100]});
|
|
expect(view.getResolution()).to.be(20);
|
|
expect(view.getCenter()[0]).to.be(5500);
|
|
expect(view.getCenter()[1]).to.be(47550);
|
|
|
|
view.fit(
|
|
new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100], nearest: true});
|
|
expect(view.getResolution()).to.be(10);
|
|
expect(view.getCenter()[0]).to.be(6000);
|
|
expect(view.getCenter()[1]).to.be(47050);
|
|
|
|
view.fit(
|
|
new ol.geom.Point([6000, 46000]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100], minResolution: 2});
|
|
expect(view.getResolution()).to.be(2);
|
|
expect(view.getCenter()[0]).to.be(5900);
|
|
expect(view.getCenter()[1]).to.be(46100);
|
|
|
|
view.fit(
|
|
new ol.geom.Point([6000, 46000]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100], maxZoom: 6});
|
|
expect(view.getResolution()).to.be(2);
|
|
expect(view.getZoom()).to.be(6);
|
|
expect(view.getCenter()[0]).to.be(5900);
|
|
expect(view.getCenter()[1]).to.be(46100);
|
|
|
|
view.fit(
|
|
new ol.geom.Circle([6000, 46000], 1000),
|
|
{size: [200, 200], constrainResolution: false});
|
|
expect(view.getResolution()).to.be(10);
|
|
expect(view.getCenter()[0]).to.be(6000);
|
|
expect(view.getCenter()[1]).to.be(46000);
|
|
|
|
view.setRotation(Math.PI / 8);
|
|
view.fit(
|
|
new ol.geom.Circle([6000, 46000], 1000),
|
|
{size: [200, 200], constrainResolution: false});
|
|
expect(view.getResolution()).to.roughlyEqual(10, 1e-9);
|
|
expect(view.getCenter()[0]).to.roughlyEqual(6000, 1e-9);
|
|
expect(view.getCenter()[1]).to.roughlyEqual(46000, 1e-9);
|
|
|
|
view.setRotation(Math.PI / 4);
|
|
view.fit(
|
|
new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]),
|
|
{size: [200, 200], padding: [100, 0, 0, 100], constrainResolution: false});
|
|
expect(view.getResolution()).to.roughlyEqual(14.849242404917458, 1e-9);
|
|
expect(view.getCenter()[0]).to.roughlyEqual(5200, 1e-9);
|
|
expect(view.getCenter()[1]).to.roughlyEqual(46300, 1e-9);
|
|
});
|
|
it('fits correctly to the extent', function() {
|
|
view.fit([1000, 1000, 2000, 2000], {size: [200, 200]});
|
|
expect(view.getResolution()).to.be(5);
|
|
expect(view.getCenter()[0]).to.be(1500);
|
|
expect(view.getCenter()[1]).to.be(1500);
|
|
});
|
|
it('throws on invalid geometry/extent value', function() {
|
|
expect(function() {
|
|
view.fit(true, [200, 200]);
|
|
}).to.throwException();
|
|
});
|
|
it('throws on empty extent', function() {
|
|
expect(function() {
|
|
view.fit(ol.extent.createEmpty());
|
|
}).to.throwException();
|
|
});
|
|
it('animates when duration is defined', function(done) {
|
|
view.fit(
|
|
new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]),
|
|
{
|
|
size: [200, 200],
|
|
padding: [100, 0, 0, 100],
|
|
constrainResolution: false,
|
|
duration: 25
|
|
});
|
|
|
|
expect(view.getAnimating()).to.eql(true);
|
|
|
|
setTimeout(function() {
|
|
expect(view.getResolution()).to.be(11);
|
|
expect(view.getCenter()[0]).to.be(5950);
|
|
expect(view.getCenter()[1]).to.be(47100);
|
|
expect(view.getAnimating()).to.eql(false);
|
|
done();
|
|
}, 50);
|
|
|
|
});
|
|
it('calls a callback when duration is not defined', function(done) {
|
|
view.fit(new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]), {
|
|
callback: function(complete) {
|
|
expect(complete).to.be(true);
|
|
done();
|
|
}
|
|
});
|
|
});
|
|
it('calls a callback when animation completes', function(done) {
|
|
view.fit(new ol.geom.LineString([[6000, 46000], [6000, 47100], [7000, 46000]]), {
|
|
duration: 25,
|
|
callback: function(complete) {
|
|
expect(complete).to.be(true);
|
|
done();
|
|
}
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('centerOn', function() {
|
|
var view;
|
|
beforeEach(function() {
|
|
view = new ol.View({
|
|
resolutions: [200, 100, 50, 20, 10, 5, 2, 1]
|
|
});
|
|
});
|
|
it('fit correctly to the coordinates', function() {
|
|
view.setResolution(10);
|
|
view.centerOn(
|
|
[6000, 46000],
|
|
[400, 400],
|
|
[300, 300]
|
|
);
|
|
expect(view.getCenter()[0]).to.be(5000);
|
|
expect(view.getCenter()[1]).to.be(47000);
|
|
|
|
view.setRotation(Math.PI / 4);
|
|
view.centerOn(
|
|
[6000, 46000],
|
|
[400, 400],
|
|
[300, 300]
|
|
);
|
|
expect(view.getCenter()[0]).to.roughlyEqual(4585.78643762691, 1e-9);
|
|
expect(view.getCenter()[1]).to.roughlyEqual(46000, 1e-9);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('ol.View.isNoopAnimation()', function() {
|
|
|
|
var cases = [{
|
|
animation: {
|
|
sourceCenter: [0, 0], targetCenter: [0, 0],
|
|
sourceResolution: 1, targetResolution: 1,
|
|
sourceRotation: 0, targetRotation: 0
|
|
},
|
|
noop: true
|
|
}, {
|
|
animation: {
|
|
sourceCenter: [0, 0], targetCenter: [0, 1],
|
|
sourceResolution: 1, targetResolution: 1,
|
|
sourceRotation: 0, targetRotation: 0
|
|
},
|
|
noop: false
|
|
}, {
|
|
animation: {
|
|
sourceCenter: [0, 0], targetCenter: [0, 0],
|
|
sourceResolution: 1, targetResolution: 0,
|
|
sourceRotation: 0, targetRotation: 0
|
|
},
|
|
noop: false
|
|
}, {
|
|
animation: {
|
|
sourceCenter: [0, 0], targetCenter: [0, 0],
|
|
sourceResolution: 1, targetResolution: 1,
|
|
sourceRotation: 0, targetRotation: 1
|
|
},
|
|
noop: false
|
|
}, {
|
|
animation: {
|
|
sourceCenter: [0, 0], targetCenter: [0, 0]
|
|
},
|
|
noop: true
|
|
}, {
|
|
animation: {
|
|
sourceCenter: [1, 0], targetCenter: [0, 0]
|
|
},
|
|
noop: false
|
|
}, {
|
|
animation: {
|
|
sourceResolution: 1, targetResolution: 1
|
|
},
|
|
noop: true
|
|
}, {
|
|
animation: {
|
|
sourceResolution: 0, targetResolution: 1
|
|
},
|
|
noop: false
|
|
}, {
|
|
animation: {
|
|
sourceRotation: 10, targetRotation: 10
|
|
},
|
|
noop: true
|
|
}, {
|
|
animation: {
|
|
sourceRotation: 0, targetRotation: 10
|
|
},
|
|
noop: false
|
|
}];
|
|
|
|
cases.forEach(function(c, i) {
|
|
it('works for case ' + i, function() {
|
|
var noop = ol.View.isNoopAnimation(c.animation);
|
|
expect(noop).to.equal(c.noop);
|
|
});
|
|
});
|
|
|
|
});
|