How can I improve Jest testing performance?
An example of an AI chatbot conversation about optimizing Jest testing performance.
How can I improve Jest testing performance?
To improve Jest testing performance, consider using the --runInBand option to run tests serially, or optimize your test files.
What are some common performance issues with Jest?
Common issues include slow test execution due to large test suites, excessive mocking, and not using the latest Jest features.
Can I run tests in parallel?
Yes, Jest runs tests in parallel by default, but you can control the number of workers with the --maxWorkers option.
How do I measure test performance?
You can use Jest's built-in performance metrics by running tests with the --verbose flag to see detailed timing information.
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