What are the best practices for async testing with Testing Library?
An example of an AI chatbot conversation about best practices for async testing with Testing Library.
What are the best practices for async testing with Testing Library?
When testing asynchronous code with Testing Library, it's important to use the waitFor and findBy queries to handle elements that may not be immediately available.
Can you explain how waitFor works?
Sure! waitFor is a utility that retries a callback until it stops throwing an error or a timeout occurs. It's useful for waiting for changes in the DOM.
What about using findBy queries?
findBy queries are designed for async operations. They return a promise that resolves when the element is found, making them ideal for testing elements that appear after an async action.
Are there any common pitfalls to avoid?
Yes, avoid using waitFor unnecessarily, as it can lead to flaky tests. Also, ensure that your tests are not dependent on specific timing.
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