Files
openlayers/test/spec/ol/tileurlfunction.test.js
2013-03-13 04:32:43 +01:00

102 lines
4.2 KiB
JavaScript

goog.provide('ol.test.TileUrlFunction');
describe('ol.TileUrlFunction', function() {
describe('createFromTemplate', function() {
it('creates expected URL', function() {
var tileUrl = ol.TileUrlFunction.createFromTemplate('{z}/{x}/{y}');
expect(tileUrl(new ol.TileCoord(3, 2, 1))).to.eql('3/2/1');
expect(tileUrl(null)).to.be(undefined);
});
describe('with number range', function() {
it('creates expected URL', function() {
var template = 'http://tile-{1-3}/{z}/{x}/{y}';
var tileUrlFunction = ol.TileUrlFunction.createFromTemplate(template);
var tileCoord = new ol.TileCoord(3, 2, 1);
tileCoord.hash = function() { return 3; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-1/3/2/1');
tileCoord.hash = function() { return 2; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-3/3/2/1');
tileCoord.hash = function() { return 1; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-2/3/2/1');
});
});
describe('with character range', function() {
it('creates expected URL', function() {
var template = 'http://tile-{c-e}/{z}/{x}/{y}';
var tileUrlFunction = ol.TileUrlFunction.createFromTemplate(template);
var tileCoord = new ol.TileCoord(3, 2, 1);
tileCoord.hash = function() { return 3; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-c/3/2/1');
tileCoord.hash = function() { return 2; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-e/3/2/1');
tileCoord.hash = function() { return 1; };
expect(tileUrlFunction(tileCoord)).to.eql('http://tile-d/3/2/1');
});
});
});
describe('withTileCoordTransform', function() {
it('creates expected URL', function() {
var tileUrl = ol.TileUrlFunction.withTileCoordTransform(
function(tileCoord) {
return new ol.TileCoord(tileCoord.z, tileCoord.x, -tileCoord.y);
},
ol.TileUrlFunction.createFromTemplate('{z}/{x}/{y}'));
expect(tileUrl(new ol.TileCoord(3, 2, -1))).to.eql('3/2/1');
expect(tileUrl(null)).to.be(undefined);
});
});
describe('createFromTileUrlFunctions', function() {
it('creates expected URL', function() {
var tileUrl = ol.TileUrlFunction.createFromTileUrlFunctions([
ol.TileUrlFunction.createFromTemplate('a'),
ol.TileUrlFunction.createFromTemplate('b')
]);
var tileUrl1 = tileUrl(new ol.TileCoord(1, 0, 0));
var tileUrl2 = tileUrl(new ol.TileCoord(1, 0, 1));
expect(tileUrl1).not.to.eql(tileUrl2);
expect(tileUrl(null)).to.be(undefined);
});
});
describe('createWMSParams', function() {
var tileGrid;
beforeEach(function() {
tileGrid = new ol.tilegrid.XYZ({
maxZoom: 10
});
});
it('creates expected URL', function() {
var epsg3857 = ol.projection.get('EPSG:3857');
var tileUrlFunction = ol.TileUrlFunction.createWMSParams(
'http://wms?foo=bar', {});
var tileCoord = new ol.TileCoord(1, 0, 0);
var tileUrl = tileUrlFunction(tileCoord, tileGrid, epsg3857);
var expected = 'http://wms?foo=bar&SERVICE=WMS&VERSION=1.3.0&REQUEST=' +
'GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&WIDTH=256&HEIGHT=256&' +
'STYLES=&CRS=EPSG%3A3857&BBOX=-20037508.342789244%2C2' +
'0037508.342789244%2C0%2C40075016.68557849';
expect(tileUrl).to.eql(expected);
});
it('creates expected URL respecting axis orientation', function() {
var epsg4326 = ol.projection.get('EPSG:4326');
var tileUrlFunction = ol.TileUrlFunction.createWMSParams(
'http://wms?foo=bar', {});
var tileCoord = new ol.TileCoord(1, 0, 0);
var tileUrl = tileUrlFunction(tileCoord, tileGrid, epsg4326);
var expected = 'http://wms?foo=bar&SERVICE=WMS&VERSION=1.3.0&REQUEST=' +
'GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&WIDTH=256&HEIGHT=256&' +
'STYLES=&CRS=EPSG%3A4326&BBOX=20037508.342789244%2C' +
'-20037508.342789244%2C40075016.68557849%2C0';
expect(tileUrl).to.eql(expected);
});
});
});
goog.require('ol.TileCoord');
goog.require('ol.TileUrlFunction');
goog.require('ol.projection');
goog.require('ol.tilegrid.XYZ');