What are some effective strategies for testing asynchronous code?
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What are some effective strategies for testing asynchronous code?
Testing asynchronous code can be challenging. Some effective strategies include using mocks, stubs, and testing libraries like Jest or Mocha.
Can you explain how to use mocks in testing?
Sure! Mocks allow you to simulate the behavior of complex objects. In testing, you can replace real functions with mock functions to control their behavior and verify interactions.
What about error handling in asynchronous tests?
Error handling is crucial. You can use try-catch blocks or promise rejection handling to ensure your tests cover both success and failure scenarios.
Are there any specific libraries you recommend for testing?
Yes, libraries like Jest, Mocha, and Chai are popular for testing asynchronous code. They provide great support for promises and async/await.
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