react-native/local-cli/core/__tests__/findAssets.spec.js

43 lines
1.1 KiB
JavaScript

/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @emails oncall+javascript_foundation
*/
'use strict';
jest.mock('fs');
const findAssets = require('../findAssets');
const dependencies = require('../__fixtures__/dependencies');
const fs = require('fs');
describe('findAssets', () => {
beforeEach(() => {
fs.__setMockFilesystem({testDir: dependencies.withAssets});
});
it('returns an array of all files in given folders', () => {
const assets = findAssets('/testDir', ['fonts', 'images']);
expect(Array.isArray(assets)).toBeTruthy();
expect(assets).toHaveLength(3);
});
it('prepends assets paths with the folder path', () => {
const assets = findAssets('/testDir', ['fonts', 'images']);
assets.forEach(assetPath => {
expect(assetPath).toContain('testDir');
});
});
it('returns an empty array if given assets are null', () => {
expect(findAssets('/testDir', null)).toHaveLength(0);
});
});