Unit testing Angular Application using Jasmine - Home Component

home.component.ts

import { Component, OnInit, OnDestroy, Input } from '@angular/core';
import { Subscription } from 'rxjs/internal/Subscription';
import uvData from './../../data/data.json';
import { HomeService } from './home.service';

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.scss']
})
export class HomeComponent implements OnInit, OnDestroy {
  @Input() appData: any;
  searchBoxSubscription: Subscription;
  uvCards = [];
  uvActiveCards = [];

  constructor(private homeService: HomeService) {
    this.uvCards = uvData.cards;
    this.uvActiveCards = JSON.parse(JSON.stringify(this.uvCards));
    this.homeService.get('Yuvraj Patil');
  }

  ngOnInit(): void {
    /**
     * @description Function to subscribe to searchbox.
     */
    this.searchBoxSubscription = this.homeService.searchSubscriber$.subscribe(searchString => {
      this.homeService.set(searchString);
    });
  }

  ngOnDestroy(): void {
    if (this.searchBoxSubscription) {
      this.searchBoxSubscription.unsubscribe();
    }
  }
}