X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fapp%2Fhero.service.spec.ts;h=843d8a7e55818fe6582637744f48236e3867bbab;hb=806998ac75abe1082f666c141e0bd3f1a8ae7af1;hp=082791a7adcdfe503689a9a78896bf7ba84c42a8;hpb=ef15a90ba71bcff7765f089af11e2ad22752a352;p=examples%2Fangular-tour-of-heroes

diff --git a/src/app/hero.service.spec.ts b/src/app/hero.service.spec.ts
index 082791a..843d8a7 100644
--- a/src/app/hero.service.spec.ts
+++ b/src/app/hero.service.spec.ts
@@ -1,12 +1,59 @@
-import { TestBed } from '@angular/core/testing';
+import { TestBed} from '@angular/core/testing';
+import { TestScheduler } from 'rxjs/testing';
 
 import { HeroService } from './hero.service';
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+import { Hero } from './hero';
 
 describe('HeroService', () => {
-  beforeEach(() => TestBed.configureTestingModule({}));
+  let service: HeroService;
+  let httpTestingController: HttpTestingController;
+  let scheduler: TestScheduler;
+
+  beforeEach(() =>  {
+    TestBed.configureTestingModule({
+      imports: [ HttpClientTestingModule ]
+    });
+    service = TestBed.inject(HeroService);
+    httpTestingController = TestBed.inject(HttpTestingController);
+    scheduler = new TestScheduler(((actual, expected) => {
+      expect(actual).toEqual(expected);
+    }));
+  });
+
+  afterEach(() => {
+    // After every test, assert that there are no more pending requests.
+    httpTestingController.verify();
+  });
 
   it('should be created', () => {
-    const service: HeroService = TestBed.get(HeroService);
     expect(service).toBeTruthy();
   });
+
+  it('get for id=0 should return an empty Observable', () => {
+    service.getHero(0).subscribe(fail, fail);
+
+    // HeroService should have made one request to GET heroes from expected URL
+    const req = httpTestingController.expectOne(`${service.heroesUrl}/0`);
+    expect(req.request.method).toEqual('GET');
+
+    // Respond with the mock heroes
+    req.flush('deliberate 404 error', {status: 404, statusText: 'Not Found'});
+  });
+
+  it('get for id=11 should return an Observable, that contains the hero with id 11', () => {
+    const expectedHero: Hero = {id: 11, name: 'Dr Nice'};
+
+    service.getHero(11).subscribe(
+      hero => expect(hero).toEqual(expectedHero, 'should return expected heroes'),
+      fail
+    );
+
+    // HeroService should have made one request to GET heroes from expected URL
+    const req = httpTestingController.expectOne(`${service.heroesUrl}/11`);
+    expect(req.request.method).toEqual('GET');
+
+    // Respond with the mock heroes
+    req.flush(expectedHero);
+  });
 });