import {downloadAndResize, DownloadAndResizeOpts} from '../../src/lib/images' import ImageResizer from '@bam.tech/react-native-image-resizer' import RNFetchBlob from 'rn-fetch-blob' describe('downloadAndResize', () => { const errorSpy = jest.spyOn(global.console, 'error') const mockResizedImage = { path: jest.fn().mockReturnValue('file://resized-image.jpg'), size: 100, width: 50, height: 50, mime: 'image/jpeg', } beforeEach(() => { const mockedCreateResizedImage = ImageResizer.createResizedImage as jest.Mock mockedCreateResizedImage.mockResolvedValue(mockResizedImage) }) afterEach(() => { jest.clearAllMocks() }) it('should return resized image for valid URI and options', async () => { const mockedFetch = RNFetchBlob.fetch as jest.Mock mockedFetch.mockResolvedValueOnce({ path: jest.fn().mockReturnValue('file://downloaded-image.jpg'), flush: jest.fn(), }) const opts: DownloadAndResizeOpts = { uri: 'https://example.com/image.jpg', width: 100, height: 100, maxSize: 500000, mode: 'cover', timeout: 10000, } const result = await downloadAndResize(opts) expect(result).toEqual(mockResizedImage) expect(RNFetchBlob.config).toHaveBeenCalledWith({ fileCache: true, appendExt: 'jpeg', }) expect(RNFetchBlob.fetch).toHaveBeenCalledWith( 'GET', 'https://example.com/image.jpg', ) expect(ImageResizer.createResizedImage).toHaveBeenCalledWith( 'file://downloaded-image.jpg', 100, 100, 'JPEG', 1, undefined, undefined, undefined, {mode: 'cover'}, ) }) it('should return undefined for invalid URI', async () => { const opts: DownloadAndResizeOpts = { uri: 'invalid-uri', width: 100, height: 100, maxSize: 500000, mode: 'cover', timeout: 10000, } const result = await downloadAndResize(opts) expect(errorSpy).toHaveBeenCalled() expect(result).toBeUndefined() }) it('should return undefined for unsupported file type', async () => { const opts: DownloadAndResizeOpts = { uri: 'https://example.com/image.bmp', width: 100, height: 100, maxSize: 500000, mode: 'cover', timeout: 10000, } const result = await downloadAndResize(opts) expect(result).toBeUndefined() }) })