export const MOCK_IMAGE_WIDTH = 300; export const MOCK_IMAGE_HEIGHT = 500; jest.mock('react-native/Libraries/Image/Image', () => { const actualImage = jest.requireActual('react-native/Libraries/Image/Image'); return { ...actualImage, getSize: ( uri: string, success: (width: number, height: number) => void, failure: () => void, ) => success(MOCK_IMAGE_WIDTH, MOCK_IMAGE_HEIGHT), resolveAssetSource: (source: any) => { return { width: MOCK_IMAGE_WIDTH, height: MOCK_IMAGE_HEIGHT, }; }, }; });