127 lines
3.5 KiB
JavaScript
127 lines
3.5 KiB
JavaScript
goog.provide('ol.test.source.TileJSON');
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goog.require('ol.source.Source');
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goog.require('ol.source.TileJSON');
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goog.require('ol.Observable');
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describe('ol.source.TileJSON', function() {
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describe('constructor', function() {
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it('returns a tileJSON source', function() {
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var source = new ol.source.TileJSON({
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url: 'spec/ol/data/tilejson.json'
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});
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expect(source).to.be.a(ol.source.Source);
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expect(source).to.be.a(ol.source.TileJSON);
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});
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});
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describe('#getTileJSON', function() {
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it('parses the tilejson file', function() {
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var source = new ol.source.TileJSON({
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url: 'spec/ol/data/tilejson.json'
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});
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source.on('change', function() {
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if (source.getState() === 'ready') {
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var tileJSON = source.getTileJSON();
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expect(tileJSON.name).to.eql('Geography Class');
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expect(tileJSON.version).to.eql('1.0.0');
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}
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});
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});
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});
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describe('#getState', function() {
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it('returns error on HTTP 404', function() {
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var source = new ol.source.TileJSON({
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url: 'invalid.jsonp'
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});
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source.on('change', function() {
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expect(source.getState()).to.eql('error');
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expect(source.getTileJSON()).to.eql(null);
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});
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});
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it('returns error on CORS issues', function() {
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var source = new ol.source.TileJSON({
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url: 'http://example.com'
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});
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source.on('change', function() {
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expect(source.getState()).to.eql('error');
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expect(source.getTileJSON()).to.eql(null);
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});
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});
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it('returns error on JSON parsing issues', function() {
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var source = new ol.source.TileJSON({
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url: '/'
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});
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source.on('change', function() {
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expect(source.getState()).to.eql('error');
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expect(source.getTileJSON()).to.eql(null);
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});
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});
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});
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describe('tileUrlFunction', function() {
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var source, tileGrid;
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beforeEach(function(done) {
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source = new ol.source.TileJSON({
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url: 'spec/ol/data/tilejson.json'
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});
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var key = source.on('change', function() {
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if (source.getState() === 'ready') {
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ol.Observable.unByKey(key);
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tileGrid = source.getTileGrid();
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done();
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}
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});
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});
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it('uses the correct tile coordinates', function() {
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var coordinate = [829330.2064098881, 5933916.615134273];
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var regex = /\/([0-9]*\/[0-9]*\/[0-9]*)\.png$/;
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var tileUrl;
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 0));
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expect(tileUrl.match(regex)[1]).to.eql('0/0/0');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 1));
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expect(tileUrl.match(regex)[1]).to.eql('1/1/0');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 2));
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expect(tileUrl.match(regex)[1]).to.eql('2/2/1');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 3));
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expect(tileUrl.match(regex)[1]).to.eql('3/4/2');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 4));
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expect(tileUrl.match(regex)[1]).to.eql('4/8/5');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 5));
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expect(tileUrl.match(regex)[1]).to.eql('5/16/11');
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tileUrl = source.tileUrlFunction(
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tileGrid.getTileCoordForCoordAndZ(coordinate, 6));
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expect(tileUrl.match(regex)[1]).to.eql('6/33/22');
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});
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});
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});
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