Node.js Testing Questions and Answers

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Created this 8 months ago

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1. What is the purpose of the `assert` module in Node.js?

2. What is the difference between `==` and `===` in Node.js?

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3. What is a `mock` in Node.js testing?

4. What is the role of the `sinon` library in Node.js testing?

5. What is the difference between a unit test and an integration test?

6. What is a test runner in Node.js?

7. What is the purpose of the `supertest` library in Node.js?

8. What is the best practice for naming test files in Node.js?

9. What is the role of the `expect` library in Node.js testing?

10. What is the difference between a `beforeEach` and a `beforeAll` hook in Node.js testing?

11. What is the purpose of the `done` callback in Node.js async tests?

12. What is the role of the `chai` library in Node.js testing?

13. What is the purpose of the `Mocha` test framework in Node.js?

14. What is the difference between a `should` and an `expect` assertion in Node.js?

15. What is the role of the `tape` library in Node.js testing?

16. How can you test the performance of a Node.js application?

17. What is the purpose of the `nock` library in Node.js testing?

18. What is the difference between a `test suite` and a `test case` in Node.js?

19. What are some best practices for writing effective Node.js tests?

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