How does RTL simulate user events?
Using userEvent, which simulates clicks, typing, and other events the way a user would. This tests the real user flow, not synthetic component internals, giving you confidence that the app works for real users.
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More FAQs in What Is React Testing Library and Why It Changed React Testing
RTL is a library for testing React components by interacting with them the way a user would: rendering them, finding elements by role or visible text, and simulating user events. It tests behavior, not implementation details.
It replaced Enzyme, which tested components by their internal implementation like instance methods, state, and child component structure. Enzyme tests were coupled to implementation and broke on refactors. RTL tests behavior instead.
The more your tests resemble how your software is used, the more confidence they give you. RTL tests what the user sees and does, not how the component is implemented internally, so tests survive refactors.
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