Question 1

How to set up QUnit for testing Node.js applications?

Accepted Answer

Install QUnit via npm, create test files with the QUnit module, and run tests using the CLI or integrate with build tools; detailed guides are provided in the documentation for server-side setups.

Question 2

QUnit vs Jest: which is better for JavaScript testing?

Accepted Answer

QUnit excels in simplicity and cross-platform testing with no dependencies, while Jest offers more built-in features like mocking and snapshot testing; choose based on project needs for lightweight vs. feature-rich frameworks.

Question 3

Does QUnit support async/await in tests?

Accepted Answer

Yes, QUnit handles asynchronous testing with callbacks, promises, and async/await syntax, using methods like assert.async() or returning promises, as covered in its API documentation.

Question 4

Can QUnit be used with modern frameworks like React?

Accepted Answer

Yes, but it requires additional setup and may not integrate as seamlessly as React-specific tools like Jest and React Testing Library, which are optimized for component testing.

Question 5

What are the best practices for organizing QUnit tests?

Accepted Answer

Structure tests into modules using QUnit.module(), separate test files by functionality, and use the QUnit.config to manage test runs; the guides provide examples for maintainable test suites.

Question 6

How to mock dependencies in QUnit tests?

Accepted Answer

QUnit does not have built-in mocking, so you need external libraries like Sinon.js or manual stubs; this adds complexity compared to frameworks with integrated mocking capabilities.

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