Jest Description
Jest is designed to work with JavaScript projects without any configuration. Tests that keep track of large objects are easy to create. Snapshots can be embedded inline or incorporated into your tests. To maximize performance, tests can be run in parallel by running them in their respective processes. To maximize performance, parallelize tests by running them in their respective processes. Jest can run multiple tests concurrently by ensuring that each test has a unique global state. Jest will run failed tests first, then re-organize runs based on the time it takes to complete them. Jest can run multiple tests concurrently by ensuring that your tests have a unique global state. Jest will run failed tests first, and then re-organize runs based on the time it takes to complete them. Jest uses a custom solver to import objects in your tests. This makes it easy to mock any object that is not within your test's scope.
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Summary: Jest is probably the easiest JS testing framework to learn and use. It is performant, easy to write and read tests with, and free. Highly recommended.
Positive: - very simple learning curve
- runs tests quickly
- declarative syntax makes it easy to read what a test should do
- strong dependency mocking abilities
- typescript support through plugins
- easy to integrate with many different JS frameworks
- good documentation
- strong cli tooling
- freeNegative: - poor at detecting memory leaks or hanging processes that can stop tests from performing well
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