ecosystem-jest-native.mdx

id	title	sidebar_label
ecosystem-jest-native	jest-native	jest-native

Jest Native is a companion library for React Native Testing Library that provides custom element matchers for Jest.

npm install --save-dev @testing-library/jest-native

const {queryByTestId} = render(
  <View>
    <View testID="not-empty">
      <Text testID="empty" />
    </View>
    <Text testID="visible">Visible Example</Text>
  </View>,
)

expect(queryByTestId('not-empty')).not.toBeEmpty()

Note: when using some of these matchers, you may need to make sure you use a query function (like queryByTestId) rather than a get function (like getByTestId). Otherwise the get* function could throw an error before your assertion.

Check out Jest Native's documentation for a full list of available matchers.

• Jest Native on GitHub