typedefinition: TestBed.inject(T) should return jasmine.SpyObj<T>

🐞 bug report

Affected Package

The issue is caused by package @angular/....

@angular/core testing I was playing with the test project of Angular and I noticed that the TestBed.inject(service) method is returning the service whereas it should be returning a jasmine.SpyObj<service> Can you check the type definition of the method please or maybe I misunderstood the definition?

[bryanforbes]

I’m trying to do something similar to the code in the test project and I’m getting a compiler error when I try to assign TestBed.inject(ValueService) to valueServiceSpy. And it really should be a compiler error. The only reason the StackBlitz demo works is because the compiler can’t find a definition for jasmine.SpyObj, so it sets the type of valueServiceSpy to any and then allows the assignment. Unless I’m missing some sort of compiler flag in my project that adds logic to the compiler to add additional type info to TestBed.inject() after a TestBed.configureTestingModule(), the code in the demo project won’t compile in a normal environment.

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