[Solved] Which of the following is the correct way to inject HttpTestingController in an Angular test? — Ans: const httpMock = TestBed.inject(HttpTestingController); | Angular

Angular - Testing

Which of the following is the correct way to inject HttpTestingController in an Angular test?

Aconst httpMock = inject(HttpTestingController, TestBed);

Bconst httpMock = new HttpTestingController();

Cconst httpMock = HttpClientTestingModule.get(HttpTestingController);

Dconst httpMock = TestBed.inject(HttpTestingController);

Step-by-Step Solution

Solution:

Step 1: Recall Angular TestBed injection syntax
Use TestBed.inject() to get service instances in tests.
Step 2: Check each option
Only const httpMock = TestBed.inject(HttpTestingController); uses correct syntax: TestBed.inject(HttpTestingController).
Final Answer:
const httpMock = TestBed.inject(HttpTestingController); -> Option D
Quick Check:
Use TestBed.inject() for services in tests = D [OK]

Quick Trick: Use TestBed.inject() to get HttpTestingController instance [OK]

Common Mistakes:

Master "Testing" in Angular

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Which of the following is the correct way to inject HttpTestingController in an Angular test?