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

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jest.autoMockOff();
const findAssets = require('../findAssets');
const mockFs = require('mock-fs');
const dependencies = require('../__fixtures__/dependencies');
const isArray = (arg) =>
Object.prototype.toString.call(arg) === '[object Array]';
describe('findAssets', () => {
beforeEach(() => mockFs({ testDir: dependencies.withAssets }));
it('should return an array of all files in given folders', () => {
const assets = findAssets('testDir', ['fonts', 'images']);
expect(isArray(assets)).toBeTruthy();
expect(assets.length).toEqual(3);
});
it('should prepend assets paths with the folder path', () => {
const assets = findAssets('testDir', ['fonts', 'images']);
assets.forEach(assetPath => expect(assetPath).toContain('testDir'));
});
it('should return an empty array if given assets are null', () => {
expect(findAssets('testDir', null).length).toEqual(0);
});
afterEach(mockFs.restore);
});