如何在角组件与服务交互的地方使用茉莉花因果单元测试来测试.subscribe方法？

Question

I want to write a unit test case for .subscribe method for component.ts which is subscribin to a function in service.ts

This is component.ts

 this.certificationFormservice.getWishlist({ id: this.empid 
 }).subscribe(data => {
             this.wishlist = data as any;
             this.wishlist.forEach(element => {
                 this.certIdList.push(parseInt(element.certification_id));
             });

This is service.ts

 getWishlist(data) {
         return this.http.post(environment.apiUrl + '/api/wishlist/get', data).pipe(
             tap(
                 response => this.ui.spin$.next(false),
                 (error: any) => this.ui.spin$.next(false)
             )
         );

Answer 1

I want to write a unit test case for .subscribe method for component.ts which is subscribin to a function in service.ts

This is component.ts

 this.certificationFormservice.getWishlist({ id: this.empid 
 }).subscribe(data => {
             this.wishlist = data as any;
             this.wishlist.forEach(element => {
                 this.certIdList.push(parseInt(element.certification_id));
             });

This is service.ts

 getWishlist(data) {
         return this.http.post(environment.apiUrl + '/api/wishlist/get', data).pipe(
             tap(
                 response => this.ui.spin$.next(false),
                 (error: any) => this.ui.spin$.next(false)
             )
         );