Files
openlayers/test/spec/ol/source/xyzsource.test.js
2013-03-25 12:03:13 +01:00

92 lines
2.6 KiB
JavaScript

goog.provide('ol.test.source.XYZ');
describe('ol.source.XYZ', function() {
describe('tileUrlFunction', function() {
var xyzTileSource, tileGrid;
beforeEach(function() {
xyzTileSource = new ol.source.XYZ({
maxZoom: 6,
url: '{z}/{x}/{y}'
});
tileGrid = xyzTileSource.getTileGrid();
});
it('return the expected URL', function() {
var coordinate = new ol.Coordinate(829330.2064098881, 5933916.615134273);
var tileUrl;
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 0));
expect(tileUrl).to.eql('0/0/0');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 1));
expect(tileUrl).to.eql('1/1/0');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 2));
expect(tileUrl).to.eql('2/2/1');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 3));
expect(tileUrl).to.eql('3/4/2');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 4));
expect(tileUrl).to.eql('4/8/5');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 5));
expect(tileUrl).to.eql('5/16/11');
tileUrl = xyzTileSource.tileUrlFunction(
tileGrid.getTileCoordForCoordAndZ(coordinate, 6));
expect(tileUrl).to.eql('6/33/22');
});
describe('wrap x', function() {
it('returns the expected URL', function() {
var tileUrl = xyzTileSource.tileUrlFunction(
new ol.TileCoord(6, -31, -23));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, -23));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 97, -23));
expect(tileUrl).to.eql('6/33/22');
});
});
describe('crop y', function() {
it('returns the expected URL', function() {
var tileUrl = xyzTileSource.tileUrlFunction(
new ol.TileCoord(6, 33, -87));
expect(tileUrl).to.be(undefined);
tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, -23));
expect(tileUrl).to.eql('6/33/22');
tileUrl = xyzTileSource.tileUrlFunction(new ol.TileCoord(6, 33, 41));
expect(tileUrl).to.be(undefined);
});
});
});
});
goog.require('ol.Coordinate');
goog.require('ol.TileCoord');
goog.require('ol.source.XYZ');