1'use strict'; 2 3import { Asset } from 'expo-asset'; 4import * as FileSystem from 'expo-file-system'; 5 6export const name = 'Asset'; 7 8export function test(t) { 9 t.describe('Asset', () => { 10 [ 11 { 12 module: require('../assets/black-128x256.png'), 13 name: 'black-128x256', 14 type: 'png', 15 hash: '4e3911b395b3cc00e737be94c7ed49bb', 16 width: 128, 17 height: 256, 18 }, 19 { 20 module: require('../assets/comic.ttf'), 21 name: 'comic', 22 type: 'ttf', 23 hash: '69d77ab5cba970d7934a5f5bcd8fdd11', 24 }, 25 { 26 module: 'https://docs.expo.dev/static/images/header-logo.png', 27 name: '', 28 type: 'png', 29 hash: null, 30 }, 31 ].forEach(({ module, name, type, ...more }) => 32 t.describe(`${name}.${type}`, () => { 33 t.it(`has correct name, type, ${Object.keys(more).join(', ')}`, async () => { 34 const asset = Asset.fromModule(module); 35 t.expect(asset.name).toBe(name); 36 t.expect(asset.type).toBe(type); 37 Object.keys(more).forEach((member) => t.expect(asset[member]).toBe(more[member])); 38 }); 39 40 t.it("when downloaded, has a 'file://' localUri", async () => { 41 const asset = Asset.fromModule(module); 42 await asset.downloadAsync(); 43 t.expect(asset.localUri).toMatch(new RegExp(`^file:\/\/.*\.${type}`)); 44 }); 45 46 t.it( 47 'when downloaded, exists in cache with matching hash and has ' + 48 'localUri pointing to the cached file', 49 async () => { 50 const asset = Asset.fromModule(module); 51 await asset.downloadAsync(); 52 53 const { 54 exists, 55 md5, 56 uri: cacheUri, 57 } = await FileSystem.getInfoAsync(asset.localUri, { 58 cache: true, 59 md5: true, 60 }); 61 62 t.expect(exists).toBeTruthy(); 63 more['hash'] && t.expect(md5).toBe(asset.hash); 64 t.expect(cacheUri).toBe(asset.localUri); 65 } 66 ); 67 }) 68 ); 69 }); 70} 71
