e128bab625
getTile and the tileUrlFunc are functions of the source, so they do need to be passed the tile grid. The tile source knows its tile grid, and can get the projection's tile grid if it doesn't have a tile grid.
105 lines
3.7 KiB
JavaScript
105 lines
3.7 KiB
JavaScript
goog.provide('ol.test.TileUrlFunction');
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describe('ol.TileUrlFunction', function() {
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describe('expandUrl', function() {
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describe('with number range', function() {
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it('creates expected URLs', function() {
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var template = 'http://tile-{1-3}/{z}/{x}/{y}';
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var urls = ol.TileUrlFunction.expandUrl(template);
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expect(urls).to.eql([
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'http://tile-1/{z}/{x}/{y}',
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'http://tile-2/{z}/{x}/{y}',
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'http://tile-3/{z}/{x}/{y}'
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]);
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});
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});
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describe('with character range', function() {
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it('creates expected URLs', function() {
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var template = 'http://tile-{c-e}/{z}/{x}/{y}';
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var urls = ol.TileUrlFunction.expandUrl(template);
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expect(urls).to.eql([
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'http://tile-c/{z}/{x}/{y}',
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'http://tile-d/{z}/{x}/{y}',
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'http://tile-e/{z}/{x}/{y}'
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]);
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});
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});
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});
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describe('createFromTemplate', function() {
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it('creates expected URL', function() {
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var tileUrl = ol.TileUrlFunction.createFromTemplate('{z}/{x}/{y}');
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expect(tileUrl(new ol.TileCoord(3, 2, 1))).to.eql('3/2/1');
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expect(tileUrl(null)).to.be(undefined);
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});
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});
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describe('createFromTemplates', function() {
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it('creates expected URL', function() {
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var templates = [
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'http://tile-1/{z}/{x}/{y}',
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'http://tile-2/{z}/{x}/{y}',
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'http://tile-3/{z}/{x}/{y}'
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];
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var tileUrlFunction = ol.TileUrlFunction.createFromTemplates(templates);
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var tileCoord = new ol.TileCoord(3, 2, 1);
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tileCoord.hash = function() { return 3; };
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expect(tileUrlFunction(tileCoord)).to.eql('http://tile-1/3/2/1');
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tileCoord.hash = function() { return 2; };
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expect(tileUrlFunction(tileCoord)).to.eql('http://tile-3/3/2/1');
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tileCoord.hash = function() { return 1; };
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expect(tileUrlFunction(tileCoord)).to.eql('http://tile-2/3/2/1');
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});
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});
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describe('withTileCoordTransform', function() {
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it('creates expected URL', function() {
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var tileUrl = ol.TileUrlFunction.withTileCoordTransform(
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function(tileCoord) {
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return new ol.TileCoord(tileCoord.z, tileCoord.x, -tileCoord.y);
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},
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ol.TileUrlFunction.createFromTemplate('{z}/{x}/{y}'));
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expect(tileUrl(new ol.TileCoord(3, 2, -1))).to.eql('3/2/1');
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expect(tileUrl(null)).to.be(undefined);
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});
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});
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describe('createFromTileUrlFunctions', function() {
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it('creates expected URL', function() {
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var tileUrl = ol.TileUrlFunction.createFromTileUrlFunctions([
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ol.TileUrlFunction.createFromTemplate('a'),
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ol.TileUrlFunction.createFromTemplate('b')
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]);
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var tileUrl1 = tileUrl(new ol.TileCoord(1, 0, 0));
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var tileUrl2 = tileUrl(new ol.TileCoord(1, 0, 1));
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expect(tileUrl1).not.to.eql(tileUrl2);
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expect(tileUrl(null)).to.be(undefined);
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});
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});
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describe('createFromParamsFunction', function() {
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var paramsFunction = function(url, params) { return arguments; };
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var projection = ol.projection.get('EPSG:3857');
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var fakeTileSource = {getTileGrid: function() {return null;}};
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var params = {foo: 'bar'};
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var tileUrlFunction = ol.TileUrlFunction.createFromParamsFunction(
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'url', params, paramsFunction);
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it('calls the passed function with the correct arguments', function() {
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var args = tileUrlFunction.call(fakeTileSource,
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new ol.TileCoord(0, 0, 0), projection);
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expect(args[0]).to.eql('url');
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expect(args[1]).to.be(params);
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expect(args[2]).to.eql(projection.getExtent());
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expect(args[3]).to.eql(new ol.Size(256, 256));
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expect(args[4]).to.eql(projection);
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});
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});
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});
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goog.require('ol.Size');
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goog.require('ol.TileCoord');
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goog.require('ol.TileUrlFunction');
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goog.require('ol.projection');
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