320 lines
9.6 KiB
JavaScript
320 lines
9.6 KiB
JavaScript
describe('ol.layer.TileLayer', function() {
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describe('create a tile layer', function() {
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it('returns an ol.layer.TileLayer instance', function() {
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var layer = new ol.layer.TileLayer();
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expect(layer instanceof ol.layer.TileLayer).toBe(true);
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});
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});
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describe('get tile origin', function() {
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var layer;
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beforeEach(function() {
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layer = new ol.layer.TileLayer();
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});
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describe('with tileOriginX and tileOriginY', function() {
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beforeEach(function() {
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layer.setTileOrigin(1, 2);
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});
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it('returns the expected origin', function() {
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var origin = layer.getTileOrigin();
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expect(origin).toEqual([1, 2]);
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});
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});
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describe('with extent', function() {
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beforeEach(function() {
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layer.setExtent(new ol.Bounds(-180, -90, 180, 90));
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});
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it('returns the expected origin', function() {
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var origin = layer.getTileOrigin();
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expect(origin).toEqual([-180, -90]);
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});
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});
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describe('with tileOriginCorner and extent', function() {
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beforeEach(function() {
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layer.setExtent(new ol.Bounds(-180, -90, 180, 90));
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layer.setTileOriginCorner('tr');
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});
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it('returns the expected origin', function() {
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var origin = layer.getTileOrigin();
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expect(origin).toEqual([180, 90]);
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});
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});
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describe('with tileOriginCorner, without extent', function() {
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beforeEach(function() {
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layer.setTileOriginCorner('tr');
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});
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it('throws an error or return null', function() {
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var origin;
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if (goog.DEBUG) {
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expect(function() {
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origin = layer.getTileOrigin();
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}).toThrow();
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} else {
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expect(function() {
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origin = layer.getTileOrigin();
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}).not.toThrow();
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expect(origin).toBeNull();
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}
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});
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});
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describe('with bad tileOriginCorner', function() {
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beforeEach(function() {
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layer.setTileOriginCorner('foo');
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});
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it('returns the expected origin', function() {
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if (goog.DEBUG) {
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expect(function() {
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var origin = layer.getTileOrigin();
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}).toThrow();
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} else {
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expect(function() {
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var origin = layer.getTileOrigin();
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}).not.toThrow();
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}
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});
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});
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});
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describe('get resolutions', function() {
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var layer;
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beforeEach(function() {
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layer = new ol.layer.TileLayer();
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});
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describe('with resolutions set', function() {
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beforeEach(function() {
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layer.setResolutions([1, 0.5, 0.25]);
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});
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it('returns the expected resolutions', function() {
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var resolutions = layer.getResolutions();
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expect(resolutions).toEqual([1, 0.5, 0.25]);
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});
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});
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describe('with maxResolution and numZoomLevels set', function() {
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beforeEach(function() {
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layer.setMaxResolution(1);
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layer.setNumZoomLevels(3);
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});
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it('returns the expected resolutions', function() {
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var resolutions = layer.getResolutions();
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expect(resolutions).toEqual([1, 0.5, 0.25]);
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});
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});
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});
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describe('get max resolution', function() {
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var layer;
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beforeEach(function() {
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layer = new ol.layer.TileLayer();
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});
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describe('with max resolution', function() {
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beforeEach(function() {
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layer.setMaxResolution(156543.03390625);
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});
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it('returns the expected maxResolution', function() {
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var maxResolution = layer.getMaxResolution();
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expect(maxResolution).toEqual(156543.03390625);
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});
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});
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describe('with projection', function() {
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beforeEach(function() {
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layer.setProjection(new ol.Projection("EPSG:3857"));
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});
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it('returns the expected maxResolution', function() {
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var maxResolution = layer.getMaxResolution();
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expect(maxResolution).toEqual(156543.03390625);
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});
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});
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});
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describe('get data from the layer', function() {
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var layer;
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beforeEach(function() {
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layer = new ol.layer.TileLayer();
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layer.setUrl('/{z}/{x}/{y}');
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layer.setResolutions([1, 0.5, 0.25]);
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layer.setTileOrigin(-128, 128);
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});
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describe('extent -128,-128,128,128, resolution 1', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(-128, -128, 128, 128), 1);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(1);
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expect(tiles[0].length).toEqual(1);
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var tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/0/0/0');
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expect(tile.getImg()).toBeDefined();
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});
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});
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describe('extent -128,-128,128,128, resolution 0.5', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(-128, -128, 128, 128), 0.5);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(2);
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expect(tiles[0].length).toEqual(2);
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var tile;
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tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/1/0/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[0][1];
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expect(tile.getUrl()).toEqual('/1/1/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[1][0];
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expect(tile.getUrl()).toEqual('/1/0/1');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[1][1];
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expect(tile.getUrl()).toEqual('/1/1/1');
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expect(tile.getImg()).toBeDefined();
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});
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});
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describe('extent -64,-64,64,64, resolution 0.5', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(-64, -64, 64, 64), 0.5);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(2);
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expect(tiles[0].length).toEqual(2);
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var tile;
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tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/1/0/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[0][1];
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expect(tile.getUrl()).toEqual('/1/1/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[1][0];
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expect(tile.getUrl()).toEqual('/1/0/1');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[1][1];
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expect(tile.getUrl()).toEqual('/1/1/1');
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expect(tile.getImg()).toBeDefined();
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});
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});
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describe('extent -96,32,-32,96, resolution 0.5', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(-96, 32, -32, 96), 0.5);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(1);
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expect(tiles[0].length).toEqual(1);
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var tile;
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tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/1/0/0');
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expect(tile.getImg()).toBeDefined();
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});
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});
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describe('extent -32,32,32,96, resolution 0.5', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(-32, 32, 32, 96), 0.5);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(1);
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expect(tiles[0].length).toEqual(2);
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var tile;
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tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/1/0/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[0][1];
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expect(tile.getUrl()).toEqual('/1/1/0');
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expect(tile.getImg()).toBeDefined();
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});
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});
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describe('extent 32,-32,96,32, resolution 0.5', function() {
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it('returns the expected data', function() {
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var tileset = layer.getData(
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new ol.Bounds(32, -32, 96, 32), 0.5);
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var tiles = tileset.getTiles();
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expect(tiles.length).toEqual(2);
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expect(tiles[0].length).toEqual(1);
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expect(tiles[1].length).toEqual(1);
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var tile;
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tile = tiles[0][0];
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expect(tile.getUrl()).toEqual('/1/1/0');
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expect(tile.getImg()).toBeDefined();
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tile = tiles[1][0];
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expect(tile.getUrl()).toEqual('/1/1/1');
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expect(tile.getImg()).toBeDefined();
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});
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});
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});
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});
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