【fix】修复UT review by luoxiao

Author: songyumeng

src/leaflet/control/ChangeTileVersion.js

@@ -146,7 +146,7 @@ export var ChangeTileVersion = L.Control.extend({
      * @param {number} tileVersions - 待更新的切片版本号。
      */
     update: function (tileVersions) {
-        this.tileVersions = tileVersions;
+        this.tileVersions = tileVersions || [];
         this.updateLength(this.tileVersions.length);
     },
 

src/openlayers/control/ChangeTileVersion.js

@@ -345,7 +345,7 @@ export class ChangeTileVersion extends Control {
      * @param {Object} tileVersions - 待更新的切片版本。
      */
     update(tileVersions) {
-        this.tileVersions = tileVersions;
+        this.tileVersions = tileVersions ||[];
         this.updateLength(this.tileVersions.length);
     }
 

test/common/iServer/TilesetsServiceSpec.js

@@ -70,10 +70,10 @@ describe('TilesetsService', () => {
             expect(analyseResult.length).toEqual(1);
             expect(analyseResult[0].name).toBe("smtiles_tileset_1116742863");
             expect(analyseResult[0].metaData.mapName).toBe("长春市区图");
-            expect(analyseResult[0].metaData.resolutions[0]).toEqual(34.80645971);
-            expect(analyseResult[0].metaData.resolutions[1]).toEqual(17.403229855);
-            expect(analyseResult[0].metaData.scaleDenominators[0]).toEqual(131551.9737070866);
-            expect(analyseResult[0].metaData.scaleDenominators[1]).toEqual(65775.9868535433);
+            expect(analyseResult[0].metaData.resolutions[0]).toBeCloseTo(34.80645971, 0.00001);
+            expect(analyseResult[0].metaData.resolutions[1]).toBeCloseTo(17.403229855, 0.00001);
+            expect(analyseResult[0].metaData.scaleDenominators[0]).toBeCloseTo(131551.973707087, 0.00001);
+            expect(analyseResult[0].metaData.scaleDenominators[1]).toBeCloseTo(65775.9868535433, 0.00001);
             expect(analyseResult[0].metaData.tileFormat).toBe("PNG");
             expect(analyseResult[0].metaData.tileType).toBe("Image");
             expect(analyseResult[0].metaData.tileHeight).toEqual(256);
@@ -85,7 +85,7 @@ describe('TilesetsService', () => {
         spyOn(FetchRequest, 'commit').and.callFake((method, testUrl, params) => {
             expect(method).toBe('GET');
             expect(testUrl).toBe(tileSetsURL + "/tilesets");
-            return Promise.resolve(new Response(tilesetsEscapedJson));
+            return Promise.resolve(new Response(JSON.stringify(tilesetsEscapedJson)));
         });
         tilesetsService.processAsync();
     });

test/leaflet/control/ChangeTileVersionSpec.js

@@ -1,6 +1,7 @@
 import {changeTileVersion} from '../../../src/leaflet/control/ChangeTileVersion';
 import {tiledMapLayer} from '../../../src/leaflet/mapping/TiledMapLayer';
 import {FetchRequest} from '../../../src/common/util/FetchRequest';
+import { mockCreateTile } from '../../tool/mock_leaflet';
 
 var url = GlobeParameter.ChinaProvincesURL;
 describe('leaflet_ChangeTileVersion', () => {
@@ -15,14 +16,15 @@ describe('leaflet_ChangeTileVersion', () => {
         testDiv.style.width = "500px";
         testDiv.style.height = "500px";
         document.body.appendChild(testDiv);
+        mockCreateTile()
         map = L.map('map', {
             crs: L.CRS.EPSG4326,
             center: [33.03, 104.79],
             zoom: 3,
         });
         spyOn(FetchRequest, 'get').and.callFake((testUrl, params) => {
             if(testUrl.indexOf('ChinaProvinces/tilesets')>-1){
-                return Promise.resolve(new Response(tilesetsEscapedJson));
+                return Promise.resolve(new Response(JSON.stringify(tilesetsEscapedJson)));
             }
             return Promise.resolve();
         });