johnny-cli/src/Dll/__tests__/index.js

CLI for Johnny Deps

import Dll from '../';
import webpack from 'webpack';
import {dllWebpackConfig} from 'templates';
jest.mock('templates', () => ({dllWebpackConfig: () => 'config template'}));
jest.mock('webpack', () => (config, callback) => callback(null, {hasErrors: () => false}));
jest.mock('fs');
import fs from 'fs';

const
	dllPath = './dll';

let
	dll = Dll({path: dllPath});

dll.build = jest.fn().mockImplementation(() => new Promise(resolve => resolve()));

describe('Dll manager', async () => {
	it('doesn\'t rewrite existing dll directory, throwing error message', async () => {
		fs.__setMockFiles({[dllPath]: ''});
		await expect(dll.create({})).rejects.toMatch('Dll directory already exists');
	});

	it('builds dll-bundle during creation one', async () => {
		const
			packages = {packages: {package: 'version'}};

		fs.__setMockFiles({});
		await dll.create(packages);
		expect(dll.build).toHaveBeenCalledWith(packages);
	});
});