1/* 2 * Copyright (c) 2022-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16const testViewAppStorage = tsuite("@StorageLink - AppStorge", () => { 17 18 19 class SubscribingViewPU implements IMultiPropertiesChangeSubscriber { 20 21 private id_: number = SubscriberManager.MakeId(); 22 private label_: string; 23 24 constructor(label: string) { 25 SubscriberManager.Add(this); 26 this.label_ = label; 27 } 28 29 // globally unique id 30 id__(): number { 31 return this.id_; 32 } 33 34 // inform the subscribed property 35 // that the subscriber is about to be deleted 36 // hence , unsubscribe 37 aboutToBeDeleted(): void { 38 SubscriberManager.Delete(this.id__()); 39 } 40 41 // implements IMultiPropertiesChangePublisher 42 propertyHasChanged(info?: PropertyInfo): void { 43 console.log(`SubscribingView '${this.label_}' object property ${info ? info : 'unknown'} has changed.`); 44 } 45 } 46 47 let storeView = new SubscribingViewPU("v1p1b1"); 48 49 /* @StorageLink(moveDistance) storeProp:number= 0; */ 50 let __storeProp: SubscribedAbstractProperty<number> = 51 AppStorage.setAndLink<number>('storeProp', /* default value */ 7, /* subscriber */ storeView, /* var name in View */ "viewVar"); 52 53 54 tcase("read back", () => { 55 test("readback from AppStorage", AppStorage.get("storeProp") == 7); 56 test("readback from view variable", __storeProp.get() == 7); 57 }); 58 59 tcase("modify via AppStore", () => { 60 let spy = spyOn(storeView, "propertyHasChanged"); 61 AppStorage.set("storeProp", 47); 62 63 test("readback from AppStorage", AppStorage.get("storeProp") == 47); 64 test("readback from view variable", __storeProp.get() == 47); 65 test("View.propertyHasChanged has been called", spy.called && spy.args[0] == "viewVar"); 66 }); 67 68 tcase("modify via @StorageLink", () => { 69 let spy2 = spyOn(storeView, "propertyHasChanged"); 70 __storeProp.set(101); 71 test("readback from AppStorage", AppStorage.get("storeProp") == 101); 72 test("readback from view variable", __storeProp.get() == 101); 73 test("View.propertyHasChanged has been called", spy2.called && spy2.args[0] == "viewVar"); 74 }); 75 76});