João Ferreiro
adeb1d5cec
* add testing lib * remove coverage folder from git * finished basic test setup * fix tests typescript and import paths * add first snapshot * testing utils * rename test files; update script flags; ++tests * testing utils functions * testing downloadAndResize wip * remove download test * specify unwanted coverage paths; remove update snapshots flag * fix strings tests * testing downloadAndResize method * increasing testing * fixing snapshots wip * fixed shell mobile snapshot * adding snapshots for the screens * fix onboard snapshot * fix typescript issues * fix TabsSelector snapshot * Account for testing device's locale in ago() tests * Remove platform detection on regex Co-authored-by: Paul Frazee <pfrazee@gmail.com>
94 lines
2.4 KiB
TypeScript
94 lines
2.4 KiB
TypeScript
import {downloadAndResize, DownloadAndResizeOpts} from '../../src/lib/download'
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import ImageResizer from '@bam.tech/react-native-image-resizer'
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import RNFetchBlob from 'rn-fetch-blob'
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jest.mock('rn-fetch-blob', () => ({
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config: jest.fn().mockReturnThis(),
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cancel: jest.fn(),
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fetch: jest.fn(),
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}))
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jest.mock('@bam.tech/react-native-image-resizer', () => ({
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createResizedImage: jest.fn(),
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}))
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describe('downloadAndResize', () => {
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const errorSpy = jest.spyOn(global.console, 'error')
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const mockResizedImage = {
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path: jest.fn().mockReturnValue('file://resized-image.jpg'),
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}
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beforeEach(() => {
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jest.clearAllMocks()
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const mockedCreateResizedImage =
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ImageResizer.createResizedImage as jest.Mock
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mockedCreateResizedImage.mockResolvedValue(mockResizedImage)
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})
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it('should return resized image for valid URI and options', async () => {
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const mockedFetch = RNFetchBlob.fetch as jest.Mock
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mockedFetch.mockResolvedValueOnce({
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path: jest.fn().mockReturnValue('file://downloaded-image.jpg'),
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flush: jest.fn(),
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})
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const opts: DownloadAndResizeOpts = {
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uri: 'https://example.com/image.jpg',
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width: 100,
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height: 100,
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mode: 'cover',
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timeout: 10000,
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}
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const result = await downloadAndResize(opts)
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expect(result).toEqual(mockResizedImage)
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expect(RNFetchBlob.config).toHaveBeenCalledWith({
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fileCache: true,
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appendExt: 'jpeg',
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})
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expect(RNFetchBlob.fetch).toHaveBeenCalledWith(
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'GET',
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'https://example.com/image.jpg',
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)
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expect(ImageResizer.createResizedImage).toHaveBeenCalledWith(
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'file://downloaded-image.jpg',
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100,
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100,
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'JPEG',
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0.7,
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undefined,
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undefined,
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undefined,
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{mode: 'cover'},
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)
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})
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it('should return undefined for invalid URI', async () => {
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const opts: DownloadAndResizeOpts = {
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uri: 'invalid-uri',
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width: 100,
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height: 100,
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mode: 'cover',
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timeout: 10000,
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}
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const result = await downloadAndResize(opts)
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expect(errorSpy).toHaveBeenCalled()
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expect(result).toBeUndefined()
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})
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it('should return undefined for unsupported file type', async () => {
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const opts: DownloadAndResizeOpts = {
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uri: 'https://example.com/image.bmp',
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width: 100,
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height: 100,
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mode: 'cover',
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timeout: 10000,
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}
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const result = await downloadAndResize(opts)
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expect(result).toBeUndefined()
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})
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})
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