What are the differences between Sinon.js and Jest?
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What are the main differences between Sinon.js and Jest?
Sinon.js is primarily a library for creating spies, mocks, and stubs, while Jest is a complete testing framework that includes its own mocking capabilities.
Can you explain how mocking works in both libraries?
In Sinon.js, you create mocks and stubs manually, giving you fine control. Jest, on the other hand, provides built-in functions like jest.fn() for easy mocking.
Which one is better for unit testing?
It depends on your needs. Jest is great for a full testing suite, while Sinon.js is excellent for more granular control over mocks.
Are there any performance differences between them?
Jest is optimized for performance with features like parallel test execution, while Sinon.js may be slower due to its manual setup.
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