Files
openlayers/test/spec/ol/source/xyz.test.js
2013-03-04 20:02:55 +01:00

135 lines
4.2 KiB
JavaScript

goog.provide('ol.test.source.XYZ');
describe('ol.source.XYZ', function() {
describe('getTileCoordUrl', 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.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 0));
expect(tileUrl).toEqual('0/0/0');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 1));
expect(tileUrl).toEqual('1/1/0');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 2));
expect(tileUrl).toEqual('2/2/1');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 3));
expect(tileUrl).toEqual('3/4/2');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 4));
expect(tileUrl).toEqual('4/8/5');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 5));
expect(tileUrl).toEqual('5/16/11');
tileUrl = xyzTileSource.getTileCoordUrl(
tileGrid.getTileCoordForCoordAndZ(coordinate, 6));
expect(tileUrl).toEqual('6/33/22');
});
describe('wrap x', function() {
it('returns the expected URL', function() {
var tileUrl = xyzTileSource.getTileCoordUrl(
new ol.TileCoord(6, -31, -23));
expect(tileUrl).toEqual('6/33/22');
tileUrl = xyzTileSource.getTileCoordUrl(new ol.TileCoord(6, 33, -23));
expect(tileUrl).toEqual('6/33/22');
tileUrl = xyzTileSource.getTileCoordUrl(new ol.TileCoord(6, 97, -23));
expect(tileUrl).toEqual('6/33/22');
});
});
describe('crop y', function() {
it('returns the expected URL', function() {
var tileUrl = xyzTileSource.getTileCoordUrl(
new ol.TileCoord(6, 33, -87));
expect(tileUrl).toBeUndefined();
tileUrl = xyzTileSource.getTileCoordUrl(new ol.TileCoord(6, 33, -23));
expect(tileUrl).toEqual('6/33/22');
tileUrl = xyzTileSource.getTileCoordUrl(new ol.TileCoord(6, 33, 41));
expect(tileUrl).toBeUndefined();
});
});
});
describe('forEachTileCoordParentTileRange', function() {
it('iterates as expected', function() {
var xyzTileGrid = new ol.tilegrid.XYZ({maxZoom: 6});
var tileCoord = new ol.TileCoord(5, 11, 21);
var zs = [], tileRanges = [];
xyzTileGrid.forEachTileCoordParentTileRange(
tileCoord,
function(z, tileRange) {
zs.push(z);
tileRanges.push(tileRange);
return false;
});
expect(zs.length).toEqual(5);
expect(tileRanges.length).toEqual(5);
expect(zs[0]).toEqual(4);
expect(tileRanges[0].minX).toEqual(5);
expect(tileRanges[0].minY).toEqual(10);
expect(tileRanges[0].maxX).toEqual(5);
expect(tileRanges[0].maxY).toEqual(10);
expect(zs[1]).toEqual(3);
expect(tileRanges[1].minX).toEqual(2);
expect(tileRanges[1].minY).toEqual(5);
expect(tileRanges[1].maxX).toEqual(2);
expect(tileRanges[1].maxY).toEqual(5);
expect(zs[2]).toEqual(2);
expect(tileRanges[2].minX).toEqual(1);
expect(tileRanges[2].minY).toEqual(2);
expect(tileRanges[2].maxX).toEqual(1);
expect(tileRanges[2].maxY).toEqual(2);
expect(zs[3]).toEqual(1);
expect(tileRanges[3].minX).toEqual(0);
expect(tileRanges[3].minY).toEqual(1);
expect(tileRanges[3].maxX).toEqual(0);
expect(tileRanges[3].maxY).toEqual(1);
expect(zs[4]).toEqual(0);
expect(tileRanges[4].minX).toEqual(0);
expect(tileRanges[4].minY).toEqual(0);
expect(tileRanges[4].maxX).toEqual(0);
expect(tileRanges[4].maxY).toEqual(0);
});
});
});
goog.require('ol.Coordinate');
goog.require('ol.TileCoord');
goog.require('ol.TileUrlFunction');
goog.require('ol.tilegrid.XYZ');
goog.require('ol.source.XYZ');