NestJS · Middle · Question 40 of 75

What's the difference between unit and e2e tests in a Nest project?

1There is no difference
2E2e tests run only in the browser
✓Correct answer: Unit tests check one class with mocked dependencies; e2e tests boot the app module and send HTTP requests through the whole stack

Explanation

E2e tests catch wiring problems: missing providers, wrong guards or pipes, real validation.

Further reading

NestJS: Testing ↗

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