Files
openlayers/test/spec/ol/layer/XYZ.test.js
2012-06-20 15:13:22 +02:00

99 lines
3.1 KiB
JavaScript

describe('ol.layer.XYZ', function() {
describe('create a xyz layer', function() {
it('returns an ol.layer.XYZ instance', function() {
var layer = new ol.layer.XYZ();
expect(layer instanceof ol.layer.XYZ).toBe(true);
});
});
describe('get data from the layer', function() {
var layer;
beforeEach(function() {
layer = new ol.layer.XYZ('/{z}/{x}/{y}');
layer.setResolutions([1, 0.5, 0.25]);
layer.setTileOrigin(-128, 128);
});
describe('extent -128,-128,128,128, resolution 1', function() {
it('returns the expected data', function() {
var tileset = layer.getData(
new ol.Bounds(-128, -128, 128, 128), 1);
var tiles = tileset.getTiles();
expect(tiles.length).toEqual(1);
expect(tiles[0].length).toEqual(1);
var tile = tiles[0][0];
expect(tile.getUrl()).toEqual('/0/0/0');
expect(tile.getImg()).toBeDefined();
});
});
describe('extent -128,-128,128,128, resolution 0.5', function() {
it('returns the expected data', function() {
var tileset = layer.getData(
new ol.Bounds(-128, -128, 128, 128), 0.5);
var tiles = tileset.getTiles();
expect(tiles.length).toEqual(2);
expect(tiles[0].length).toEqual(2);
var tile;
tile = tiles[0][0];
expect(tile.getUrl()).toEqual('/1/0/0');
expect(tile.getImg()).toBeDefined();
tile = tiles[0][1];
expect(tile.getUrl()).toEqual('/1/0/1');
expect(tile.getImg()).toBeDefined();
tile = tiles[1][0];
expect(tile.getUrl()).toEqual('/1/1/0');
expect(tile.getImg()).toBeDefined();
tile = tiles[1][1];
expect(tile.getUrl()).toEqual('/1/1/1');
expect(tile.getImg()).toBeDefined();
});
});
describe('extent -64,-64,64,64, resolution 0.5', function() {
it('returns the expected data', function() {
var tileset = layer.getData(
new ol.Bounds(-64, -64, 64, 64), 0.5);
var tiles = tileset.getTiles();
expect(tiles.length).toEqual(2);
expect(tiles[0].length).toEqual(2);
var tile;
tile = tiles[0][0];
expect(tile.getUrl()).toEqual('/1/0/0');
expect(tile.getImg()).toBeDefined();
tile = tiles[0][1];
expect(tile.getUrl()).toEqual('/1/0/1');
expect(tile.getImg()).toBeDefined();
tile = tiles[1][0];
expect(tile.getUrl()).toEqual('/1/1/0');
expect(tile.getImg()).toBeDefined();
tile = tiles[1][1];
expect(tile.getUrl()).toEqual('/1/1/1');
expect(tile.getImg()).toBeDefined();
});
});
});
});