import { TestBed } from '@angular/core/testing' import { CustomDatePipe } from './custom-date.pipe' import { SettingsService } from '../services/settings.service' import { HttpClientTestingModule, HttpTestingController, } from '@angular/common/http/testing' import { DatePipe } from '@angular/common' describe('CustomDatePipe', () => { let datePipe: CustomDatePipe beforeEach(() => { TestBed.configureTestingModule({ providers: [CustomDatePipe, SettingsService, DatePipe], imports: [HttpClientTestingModule], }) datePipe = TestBed.inject(CustomDatePipe) }) it('should parse date strings with additional options', () => { expect(datePipe.transform('5/4/23')).toEqual('May 4, 2023') expect( datePipe.transform( '5/4/23', 'mediumDate', 'America/Los_Angeles', 'iso-8601' ) ).toEqual('2023-05-04') }) })