API Overview#

React Native Testing Library consists of following APIs:

• render function - render your UI components for testing purposes
• screen object - access rendered UI:
  • Queries - find relevant components by various predicates: role, text, test ids, etc
  • Lifecycle methods: rerender, unmount
  • Helpers: debug, toJSON, root
• Jest matchers - validate assumptions about your UI
• User Event - simulate common user interactions like press or type in a realistic way
• Fire Event - simulate any component event in a simplified way purposes
• Misc APIs:
  • renderHook function - render hooks for testing
  • Async utils: findBy* queries, wait, waitForElementToBeRemoved
  • Configuration: configure, resetToDefaults
  • Accessibility: isHiddenFromAccessibility
  • Other: within, act, cleanup