import * as fs from 'fs-extra'; import * as path from 'path'; import { expect } from 'chai'; import { spawnPromise } from 'spawn-rx'; import { locateElectronModule } from '../src/electron-locator'; function packageCommand(command: string, packageName: string) { return spawnPromise('npm', [command, '--no-save', packageName], { cwd: path.resolve(__dirname, '..'), stdio: 'ignore', }); } const install: ((s: string) => Promise) = packageCommand.bind(null, 'install'); const uninstall: ((s: string) => Promise) = packageCommand.bind(null, 'uninstall'); const testElectronCanBeFound = () => { it('should return a valid path', () => { const electronPath = locateElectronModule(); expect(electronPath).to.be.a('string'); expect(fs.existsSync(electronPath!)).to.be.equal(true); }); }; describe('locateElectronModule', function() { this.timeout(30 * 1000); before(() => uninstall('electron')); it('should return null when electron is not installed', async () => { await fs.remove(path.resolve(__dirname, '..', 'node_modules', 'electron')); expect(locateElectronModule()).to.be.equal(null); }); describe('with electron-prebuilt installed', () => { before(() => install('electron-prebuilt')); testElectronCanBeFound(); after(() => uninstall('electron-prebuilt')); }); describe('with electron installed', () => { before(() => install('electron')); testElectronCanBeFound(); after(() => uninstall('electron')); }); after(() => install('electron')); });