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openlayers/test/spec/ol/vectorimagetile.test.js
Andreas Hocevar e7dc09cf9f Add more tests
2017-05-09 14:25:28 +02:00

108 lines
3.7 KiB
JavaScript

goog.provide('ol.test.VectorImageTile');
goog.require('ol.events');
goog.require('ol.VectorImageTile');
goog.require('ol.VectorTile');
goog.require('ol.format.GeoJSON');
goog.require('ol.proj');
describe('ol.VectorImageTile', function() {
it('configures loader that sets features on the source tile', function(done) {
var format = new ol.format.GeoJSON();
var url = 'spec/ol/data/point.json';
var tile = new ol.VectorImageTile([0, 0, 0], 0, url, format,
ol.VectorImageTile.defaultLoadFunction, [0, 0, 0], function() {
return url;
}, ol.tilegrid.createXYZ(), ol.tilegrid.createXYZ(), {},
1, ol.proj.get('EPSG:3857'), ol.VectorTile);
tile.load();
var sourceTile = tile.getTile(tile.tileKeys[0]);
var loader = sourceTile.loader_;
expect(typeof loader).to.be('function');
ol.events.listen(sourceTile, 'change', function(e) {
expect(sourceTile.getFeatures().length).to.be.greaterThan(0);
done();
});
});
it('sets ERROR state when source tiles fail to load', function(done) {
var format = new ol.format.GeoJSON();
var url = 'spec/ol/data/unavailable.json';
var tile = new ol.VectorImageTile([0, 0, 0], 0, url, format,
ol.VectorImageTile.defaultLoadFunction, [0, 0, 0], function() {
return url;
}, ol.tilegrid.createXYZ(), ol.tilegrid.createXYZ(), {},
1, ol.proj.get('EPSG:3857'), ol.VectorTile);
tile.load();
ol.events.listen(tile, 'change', function(e) {
expect(tile.getState()).to.be(ol.TileState.ERROR);
done();
});
});
it('sets EMPTY state when tile has only empty source tiles', function(done) {
var format = new ol.format.GeoJSON();
var url = '';
var tile = new ol.VectorImageTile([0, 0, 0], 0, url, format,
ol.VectorImageTile.defaultLoadFunction, [0, 0, 0], function() {},
ol.tilegrid.createXYZ(), ol.tilegrid.createXYZ(), {},
1, ol.proj.get('EPSG:3857'), ol.VectorTile);
tile.load();
ol.events.listen(tile, 'change', function() {
expect(tile.getState()).to.be(ol.TileState.EMPTY);
done();
});
});
it('#dispose() while loading', function() {
var format = new ol.format.GeoJSON();
var url = 'spec/ol/data/point.json';
var tile = new ol.VectorImageTile([0, 0, 0], 0, url, format,
ol.VectorImageTile.defaultLoadFunction, [0, 0, 0], function() {
return url;
}, ol.tilegrid.createXYZ(), ol.tilegrid.createXYZ({tileSize: 512}), {},
1, ol.proj.get('EPSG:3857'), ol.VectorTile);
tile.load();
expect(tile.loadListenerKeys_.length).to.be(4);
expect(tile.tileKeys.length).to.be(4);
expect(tile.getState()).to.be(ol.TileState.LOADING);
tile.dispose();
expect(tile.loadListenerKeys_.length).to.be(0);
expect(tile.tileKeys.length).to.be(0);
expect(tile.sourceTiles_).to.be(null);
expect(tile.getState()).to.be(ol.TileState.ABORT);
});
it('#dispose() when loaded', function(done) {
var format = new ol.format.GeoJSON();
var url = 'spec/ol/data/point.json';
var tile = new ol.VectorImageTile([0, 0, 0], 0, url, format,
ol.VectorImageTile.defaultLoadFunction, [0, 0, 0], function() {
return url;
}, ol.tilegrid.createXYZ(), ol.tilegrid.createXYZ({tileSize: 512}), {},
1, ol.proj.get('EPSG:3857'), ol.VectorTile);
tile.load();
ol.events.listenOnce(tile, 'change', function() {
expect(tile.getState()).to.be(ol.TileState.LOADED);
expect(tile.loadListenerKeys_.length).to.be(0);
expect(tile.tileKeys.length).to.be(4);
tile.dispose();
expect(tile.tileKeys.length).to.be(0);
expect(tile.sourceTiles_).to.be(null);
expect(tile.getState()).to.be(ol.TileState.ABORT);
done();
});
});
});