import fs from 'fs' import { consola, mockGetNuxtStart, mockGetNuxtConfig, NuxtCommand } from '../utils' describe('start', () => { let start beforeAll(async () => { start = await import('../../src/commands/start').then(m => m.default) }) afterEach(() => { if (fs.existsSync.mockRestore) { fs.existsSync.mockRestore() } jest.resetAllMocks() }) test('has run function', () => { expect(typeof start.run).toBe('function') }) test('starts listening and calls showReady', async () => { const { listen, showReady } = mockGetNuxtStart() await NuxtCommand.from(start).run() expect(listen).toHaveBeenCalled() expect(showReady).toHaveBeenCalled() }) test('no error if dist dir exists', async () => { mockGetNuxtStart() mockGetNuxtConfig() jest.spyOn(fs, 'existsSync').mockImplementationOnce(() => true) await NuxtCommand.from(start).run() expect(consola.fatal).not.toHaveBeenCalled() }) test('fatal error if dist dir doesnt exist', async () => { mockGetNuxtStart() jest.spyOn(fs, 'existsSync').mockImplementationOnce(() => false) await NuxtCommand.from(start).run() expect(consola.fatal).toHaveBeenCalledWith('No build files found, please run `nuxt build` before launching `nuxt start`') }) test('no error on ssr and server bundle exists', async () => { mockGetNuxtStart(true) mockGetNuxtConfig() jest.spyOn(fs, 'existsSync').mockImplementation(() => true) await NuxtCommand.from(start).run() expect(consola.fatal).not.toHaveBeenCalled() }) test('fatal error on ssr and server bundle doesnt exist', async () => { mockGetNuxtStart(true) jest.spyOn(fs, 'existsSync').mockImplementation(() => false) await NuxtCommand.from(start).run() expect(consola.fatal).toHaveBeenCalledWith('No SSR build! Please start with `nuxt start --spa` or build using `nuxt build --universal`') }) })