74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
goog.provide('ol.test.source.VectorTile');
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goog.require('ol.VectorImageTile');
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goog.require('ol.format.MVT');
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goog.require('ol.proj');
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goog.require('ol.source.VectorTile');
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goog.require('ol.tilegrid');
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describe('ol.source.VectorTile', function() {
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var format = new ol.format.MVT();
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var source = new ol.source.VectorTile({
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format: format,
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tilePixelRatio: 8,
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url: 'spec/ol/data/{z}-{x}-{y}.vector.pbf'
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});
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var tile;
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describe('constructor', function() {
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it('sets the format on the instance', function() {
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expect(source.format_).to.equal(format);
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});
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it('uses ol.VectorTile as default tileClass', function() {
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expect(source.tileClass).to.equal(ol.VectorTile);
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});
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it('creates a 512 XYZ tilegrid by default', function() {
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var tileGrid = ol.tilegrid.createXYZ({tileSize: 512});
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expect(source.tileGrid.tileSize_).to.equal(tileGrid.tileSize_);
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expect(source.tileGrid.extent_).to.equal(tileGrid.extent_);
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});
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});
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describe('#getTile()', function() {
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it('creates a tile with the correct tile class', function() {
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tile = source.getTile(0, 0, 0, 1, ol.proj.get('EPSG:3857'));
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expect(tile).to.be.a(ol.VectorImageTile);
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});
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it('sets the correct tileCoord on the created tile', function() {
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expect(tile.getTileCoord()).to.eql([0, 0, 0]);
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});
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it('fetches tile from cache when requested again', function() {
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expect(source.getTile(0, 0, 0, 1, ol.proj.get('EPSG:3857')))
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.to.equal(tile);
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});
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});
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describe('#getTileGridForProjection', function() {
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it('creates a tile grid with the source tile grid\'s tile size', function() {
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var tileGrid = source.getTileGridForProjection(ol.proj.get('EPSG:3857'));
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expect(tileGrid.getTileSize(0)).to.be(512);
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});
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});
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describe('Tile load events', function() {
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it('triggers tileloadstart and tileloadend with ol.VectorTile', function(done) {
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tile = source.getTile(14, 8938, -5681, 1, ol.proj.get('EPSG:3857'));
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var started = false;
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source.on('tileloadstart', function() {
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started = true;
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});
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source.on('tileloadend', function(e) {
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expect(started).to.be(true);
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expect(e.tile).to.be.a(ol.VectorTile);
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expect(e.tile.getFeatures().length).to.be(1327);
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done();
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});
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tile.load();
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});
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});
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});
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