tom-weatherhead/thaw-angular-service-library

import { HttpClientModule } from '@angular/common/http';
import { inject, TestBed } from '@angular/core/testing';

import { of } from 'rxjs';
import { catchError } from 'rxjs/operators';

import { HttpJsonClientService } from './http-json-client.service';

interface IHTTPGetResponse {
    ok: boolean;
    status: number;
}

describe('HttpJsonClientService', () => {
    beforeEach(() =>
        TestBed.configureTestingModule({
            imports: [HttpClientModule],
            providers: [HttpJsonClientService]
        })
    );

    it('should be created', inject(
        [HttpJsonClientService],
        (service: HttpJsonClientService) => {
            expect(service).toBeTruthy();
        }
    ));

    // it('should succeed when getting at a known good local URL', inject([HttpJsonClientService], async (service: HttpJsonClientService) => {
    //     // const url = 'http://localhost:8080/';
    //     const url = 'localhost:8080';
    //     // const url = 'file://./config.json';
    //     const result = await service.getHttpResponse(url)
    //         .pipe(
    //             catchError((error: any) => of(error))
    //         )
    //         .toPromise();

    //     console.log('HttpJsonClientService.getHttpResponse() result:', result);
    //     expect(result).toBeTruthy();
    //     expect(result.ok).toBeTruthy();
    //     expect(result.status).toBe(200);
    // }));

    it('should fail when making an intentional error', inject(
        [HttpJsonClientService],
        async (service: HttpJsonClientService) => {
            expect(service).toBeTruthy();

            const result = (await service
                .getHttpResponse('not/a/real/url')
                .pipe(catchError((error: Error) => of(error)))
                .toPromise()) as IHTTPGetResponse;

            expect(result).toBeTruthy();
            expect(result.ok).toBeFalsy();
            expect(result.status).toBe(404);
        }
    ));
});