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How do you correctly obtain an instance of HttpTestingController in an Angular test setup?

easy📝 Syntax Q3 of 15
Angular - Testing
How do you correctly obtain an instance of HttpTestingController in an Angular test setup?
ABy calling <code>HttpClientTestingModule.get(HttpTestingController)</code>
BBy importing it directly from '@angular/common/http/testing' in the test file
CBy creating a new instance with <code>new HttpTestingController()</code>
DBy injecting it using TestBed.inject(HttpTestingController)
Step-by-Step Solution
Solution:
  1. Step 1: Setup TestBed with HttpClientTestingModule

    Import HttpClientTestingModule in the test module.
  2. Step 2: Inject HttpTestingController

    Use TestBed.inject(HttpTestingController) to get the instance.
  3. Final Answer:

    By injecting it using TestBed.inject(HttpTestingController) -> Option D
  4. Quick Check:

    Use TestBed.inject for service instances [OK]
Quick Trick: Use TestBed.inject to get HttpTestingController instance [OK]
Common Mistakes:
  • Trying to instantiate HttpTestingController manually
  • Confusing import with injection
  • Using non-existent get method on HttpClientTestingModule

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