@terrestris/ol-util
Version:
A set of helper classes for working with openLayers
224 lines • 10.3 kB
JavaScript
/* eslint-env jest*/
import OlLayerImage from 'ol/layer/Image';
import OlLayerTile from 'ol/layer/Tile';
import OlSourceImageWMS from 'ol/source/ImageWMS';
import OlSourceTileWMS from 'ol/source/TileWMS';
import OlSourceWMTS from 'ol/source/WMTS';
import OlWMTSTileGrid from 'ol/tilegrid/WMTS';
import CapabilitiesUtil from '../CapabilitiesUtil/CapabilitiesUtil';
import LayerUtil from './LayerUtil';
describe('LayerUtil', () => {
it('is defined', () => {
expect(LayerUtil).not.toBeUndefined();
});
describe('Static methods', () => {
describe('#getLayerUrl', () => {
it('returns the url of a supported layer/source type', () => {
const layer1 = new OlLayerTile({
source: new OlSourceTileWMS({
url: 'https://ows.terrestris.de/osm-gray/service?',
params: {
LAYERS: 'OSM-WMS'
}
}),
properties: {
name: 'OSM-WMS'
}
});
const url1 = LayerUtil.getLayerUrl(layer1);
expect(url1).toEqual('https://ows.terrestris.de/osm-gray/service?');
const layer2 = new OlLayerImage({
source: new OlSourceImageWMS({
url: 'https://ows.terrestris.de/osm-gray/service',
params: {
LAYERS: 'OSM-WMS'
}
}),
properties: {
name: 'OSM-WMS'
}
});
const url2 = LayerUtil.getLayerUrl(layer2);
expect(url2).toEqual('https://ows.terrestris.de/osm-gray/service');
const layer3 = new OlLayerTile({
source: new OlSourceWMTS({
urls: ['https://ows.terrestris.de/osm-gray/service'],
layer: 'test',
matrixSet: 'test',
tileGrid: new OlWMTSTileGrid({
matrixIds: [],
resolutions: [],
origin: [19, 9]
}),
style: 'default'
}),
properties: {
name: 'OSM-WMS'
}
});
const url3 = LayerUtil.getLayerUrl(layer3);
expect(url3).toEqual('https://ows.terrestris.de/osm-gray/service');
});
});
describe('#getExtentForLayer', () => {
it('returns the extent of the given layer for GetCapabilities request version 1.3.0 (multiple layers)', async () => {
const layer = new OlLayerTile({
source: new OlSourceTileWMS({
url: 'https://ows.terrestris.de/osm-gray/service?',
params: {
LAYERS: 'OSM-WMS'
}
}),
properties: {
name: 'OSM-WMS'
}
});
const mockImpl = jest.fn();
mockImpl.mockReturnValue({
Capability: {
Layer: {
Layer: [{
Name: 'OSM-WMS',
// eslint-disable-next-line camelcase
EX_GeographicBoundingBox: {
westBoundLongitude: 1,
southBoundLatitude: 2,
eastBoundLongitude: 3,
northBoundLatitude: 4
}
}, {
Name: 'Peter',
// eslint-disable-next-line camelcase
EX_GeographicBoundingBox: {
westBoundLongitude: 5,
southBoundLatitude: 6,
eastBoundLongitude: 7,
northBoundLatitude: 8
}
}]
}
}
});
const getWmsCapabilitiesByLayerSpy = jest.spyOn(CapabilitiesUtil, 'getWmsCapabilitiesByLayer').mockImplementation(mockImpl);
const extent = await LayerUtil.getExtentForLayer(layer);
expect(extent).toEqual([1, 2, 3, 4]);
getWmsCapabilitiesByLayerSpy.mockRestore();
});
it('returns the extent of the given layer for GetCapabilities request version 1.3.0 (single layer)', async () => {
const layer = new OlLayerTile({
source: new OlSourceTileWMS({
url: 'https://ows.terrestris.de/osm-gray/service?',
params: {
LAYERS: 'OSM-WMS'
}
}),
properties: {
name: 'OSM-WMS'
}
});
const mockImpl = jest.fn();
mockImpl.mockReturnValue({
Capability: {
Layer: {
Layer: {
Name: 'OSM-WMS',
// eslint-disable-next-line camelcase
EX_GeographicBoundingBox: {
westBoundLongitude: 1,
southBoundLatitude: 2,
eastBoundLongitude: 3,
northBoundLatitude: 4
}
}
}
}
});
const getWmsCapabilitiesByLayerSpy = jest.spyOn(CapabilitiesUtil, 'getWmsCapabilitiesByLayer').mockImplementation(mockImpl);
const extent = await LayerUtil.getExtentForLayer(layer);
expect(extent).toEqual([1, 2, 3, 4]);
getWmsCapabilitiesByLayerSpy.mockRestore();
});
it('returns the extent of the given layer for GetCapabilities request version 1.1.1', async () => {
const layer = new OlLayerTile({
source: new OlSourceTileWMS({
url: 'https://ows.terrestris.de/osm-gray/service?',
params: {
LAYERS: 'OSM-WMS',
VERSION: '1.1.1'
}
}),
properties: {
name: 'OSM-WMS'
}
});
const mockImpl = jest.fn();
mockImpl.mockReturnValue({
Capability: {
Layer: {
Layer: [{
Name: 'OSM-WMS',
// eslint-disable-next-line camelcase
LatLonBoundingBox: {
minx: 1,
miny: 2,
maxx: 3,
maxy: 4
}
}]
}
}
});
const getWmsCapabilitiesByLayerSpy = jest.spyOn(CapabilitiesUtil, 'getWmsCapabilitiesByLayer').mockImplementation(mockImpl);
const extent = await LayerUtil.getExtentForLayer(layer);
expect(extent).toEqual([1, 2, 3, 4]);
getWmsCapabilitiesByLayerSpy.mockRestore();
});
});
describe('#mapOlLayerToInkmap', () => {
it('exports WMS tile layer correctly', async () => {
const layer = new OlLayerTile({
source: new OlSourceTileWMS({
url: 'https://ows.terrestris.de/osm-gray/service?',
params: {
LAYERS: 'OSM-WMS'
}
}),
properties: {
name: 'OSM-WMS layer'
}
});
const result = await LayerUtil.mapOlLayerToInkmap(layer);
expect(result).toBeDefined();
expect(result.url).toEqual(layer?.getSource()?.getUrls().at(0));
expect(result.layerName).toEqual(layer?.getProperties()?.name);
expect(result.type).toEqual('WMS');
expect(result.layer).toEqual(layer?.getSource()?.getParams().LAYERS);
});
it('exports WMTS layers correctly', async () => {
const layer3 = new OlLayerTile({
source: new OlSourceWMTS({
urls: ['https://ows.terrestris.de/osm-gray/service'],
layer: 'test',
matrixSet: 'test',
tileGrid: new OlWMTSTileGrid({
matrixIds: [],
resolutions: [],
origin: [19, 9]
}),
style: 'default'
}),
properties: {
name: 'OSM-WMS'
}
});
const result = await LayerUtil.mapOlLayerToInkmap(layer3);
expect(result).toBeDefined();
expect(result.url).toEqual(layer3?.getSource()?.getUrls().at(0));
expect(result.layerName).toEqual(layer3?.getProperties()?.name);
expect(result.type).toEqual('WMTS');
expect(result.layer).toEqual(layer3?.getSource()?.getLayer());
});
});
});
});
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