NestJS · Junior · Question 49 of 75

How do you replace a real service with a mock in a Nest test?

1Edit the service file during the test
2Delete the provider from the module
✓Correct answer: .overrideProvider(UsersService).useValue(mockService) on the testing module builder

Explanation

You can also register { provide: UsersService, useValue: mock } directly in providers.

Further reading

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