Function callback

test/mapboxgl/mapping/WebMapSpec.js:1132–1189

({ map: map1 })

      commonMapOptions
    );
    const callback = function ({ map: map1 }) {
      let zoom = datavizWebmap.mapOptions.zoom;
      let center = datavizWebmap.mapOptions.center;
      expect(zoom).toBe(commonMapOptions.zoom);
      expect(center).toEqual(commonMapOptions.center);
      datavizWebmap.setStyle({});
      expect(datavizWebmap.webMapInfo).toBeFalsy();
      expect(datavizWebmap.mapOptions.zoom).toBeNull();
      expect(datavizWebmap.mapOptions.center).toBeNull();
      datavizWebmap.once('mapcreatesucceeded', ({ map }) => {
        center = [116, 30];
        zoom = 16;
        datavizWebmap.setCenter(center);
        expect(datavizWebmap.mapOptions.center).toEqual(center);
        datavizWebmap.setZoom(zoom);
        expect(datavizWebmap.mapOptions.zoom).toBe(zoom);
        datavizWebmap.setMapId('');
        datavizWebmap.setStyle({
          version: 8,
          sources: {
            source1: {
              type: 'raster',
              tileSize: 256,
              tiles: ['base/resources/img/baiduTileTest.png']
            }
          },
          layers: [
            {
              id: 'layer1',
              type: 'raster',
              source: 'source1',
              minzoom: 0,
              maxzoom: 22
            }
          ]
        });
        expect(datavizWebmap.webMapInfo).toBeFalsy();
        expect(datavizWebmap.mapOptions.zoom).toBe(zoom);
        expect(datavizWebmap.mapOptions.center).toEqual(center);
        datavizWebmap.map = map;
        spyOn( map, 'setCRS');
        spyOn(map, 'getCRS').and.callFake((crs) => {
          if (crs === 'EPSG:4326') {
            return crs;
          }
          return null;
        });
        datavizWebmap.setCRS('EPSG:3857');
        expect(map.setCRS).toHaveBeenCalled();
        datavizWebmap.map = null;
        datavizWebmap.once('mapcreatesucceeded', ({ map: map2, layers }) => {
          expect(map2).not.toEqual(map1);
          expect(datavizWebmap.webMapInfo).toBeFalsy();
          expect(layers.length).toBe(1);
          done();
        });
      });
    };