Glossary term
What is Testing Library? Meaning for developers
In Senior Frontend Depth
Tests components the way users meet them: find by role, label and text, and interact with user-event.
Learn it properly · Senior Frontend DepthLesson 5: Frontend Testing Strategy: Unit, Integration, E2E and What to SkipTest what users see, not how the code is built. Mock the network, not your modules. Keep end-to-end tests for the key flows only.In Testing From Zero
UI testing tools that find elements the way users do: by role, label and text.
Learn it properly · Testing From ZeroLesson 2: Testing UI Components with Testing LibraryQueries by role, user-event, async UI, mocking the network with MSW, forms and error states.In React in Depth
A family of tools for testing UI the way a user uses it, by finding elements by role, label and text.
Learn it properly · React in DepthLesson 8: Patterns, Server Components and Testing ReactComposition patterns, error boundaries, portals, Server and Client Components in plain words, and testing with Testing Library.