maplibre-gl
Version:
BSD licensed community fork of mapbox-gl, a WebGL interactive maps library
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text/typescript
import RasterTileSource from './raster_tile_source';
import {OverscaledTileID} from './tile_id';
import {RequestManager} from '../util/request_manager';
import Dispatcher from '../util/dispatcher';
import {fakeServer, FakeServer} from 'nise';
import Tile from './tile';
function createSource(options, transformCallback?) {
const source = new RasterTileSource('id', options, {send() {}} as any as Dispatcher, options.eventedParent);
source.onAdd({
transform: {angle: 0, pitch: 0, showCollisionBoxes: false},
_getMapId: () => 1,
_requestManager: new RequestManager(transformCallback),
getPixelRatio() { return 1; }
} as any);
source.on('error', (e) => {
throw e.error;
});
return source;
}
describe('RasterTileSource', () => {
let server: FakeServer;
beforeEach(() => {
global.fetch = null;
server = fakeServer.create();
});
afterEach(() => {
server.restore();
});
test('transforms request for TileJSON URL', () => {
server.respondWith('/source.json', JSON.stringify({
minzoom: 0,
maxzoom: 22,
attribution: 'MapLibre',
tiles: ['http://example.com/{z}/{x}/{y}.png'],
bounds: [-47, -7, -45, -5]
}));
const transformSpy = jest.fn().mockImplementation((url) => {
return {url};
});
createSource({url: '/source.json'}, transformSpy);
server.respond();
expect(transformSpy.mock.calls[0][0]).toBe('/source.json');
expect(transformSpy.mock.calls[0][1]).toBe('Source');
});
test('respects TileJSON.bounds', done => {
const source = createSource({
minzoom: 0,
maxzoom: 22,
attribution: 'MapLibre',
tiles: ['http://example.com/{z}/{x}/{y}.png'],
bounds: [-47, -7, -45, -5]
});
source.on('data', (e) => {
if (e.sourceDataType === 'metadata') {
expect(source.hasTile(new OverscaledTileID(8, 0, 8, 96, 132))).toBeFalsy();
expect(source.hasTile(new OverscaledTileID(8, 0, 8, 95, 132))).toBeTruthy();
done();
}
});
});
test('does not error on invalid bounds', done => {
const source = createSource({
minzoom: 0,
maxzoom: 22,
attribution: 'MapLibre',
tiles: ['http://example.com/{z}/{x}/{y}.png'],
bounds: [-47, -7, -45, 91]
});
source.on('data', (e) => {
if (e.sourceDataType === 'metadata') {
expect(source.tileBounds.bounds).toEqual({_sw: {lng: -47, lat: -7}, _ne: {lng: -45, lat: 90}});
done();
}
});
});
test('respects TileJSON.bounds when loaded from TileJSON', done => {
server.respondWith('/source.json', JSON.stringify({
minzoom: 0,
maxzoom: 22,
attribution: 'MapLibre',
tiles: ['http://example.com/{z}/{x}/{y}.png'],
bounds: [-47, -7, -45, -5]
}));
const source = createSource({url: '/source.json'});
source.on('data', (e) => {
if (e.sourceDataType === 'metadata') {
expect(source.hasTile(new OverscaledTileID(8, 0, 8, 96, 132))).toBeFalsy();
expect(source.hasTile(new OverscaledTileID(8, 0, 8, 95, 132))).toBeTruthy();
done();
}
});
server.respond();
});
test('transforms tile urls before requesting', done => {
server.respondWith('/source.json', JSON.stringify({
minzoom: 0,
maxzoom: 22,
attribution: 'MapLibre',
tiles: ['http://example.com/{z}/{x}/{y}.png'],
bounds: [-47, -7, -45, -5]
}));
const source = createSource({url: '/source.json'});
const transformSpy = jest.spyOn(source.map._requestManager, 'transformRequest');
source.on('data', (e) => {
if (e.sourceDataType === 'metadata') {
const tile = {
tileID: new OverscaledTileID(10, 0, 10, 5, 5),
state: 'loading',
loadVectorData () {},
setExpiryData() {}
} as any as Tile;
source.loadTile(tile, () => {});
expect(transformSpy).toHaveBeenCalledTimes(1);
expect(transformSpy.mock.calls[0][0]).toBe('http://example.com/10/5/5.png');
expect(transformSpy.mock.calls[0][1]).toBe('Tile');
done();
}
});
server.respond();
});
test('cancels TileJSON request if removed', () => {
const source = createSource({url: '/source.json'});
source.onRemove();
expect((server.requests.pop() as any).aborted).toBe(true);
});
});