Nuxt/packages/cli/test/unit/utils.test.js

import { getDefaultNuxtConfig } from '@nuxt/config'
import { consola } from '../utils'
import * as utils from '../../src/utils'
import * as fmt from '../../src/utils/formatting'

describe('cli/utils', () => {
  afterEach(() => jest.resetAllMocks())

  test('loadNuxtConfig: defaults', async () => {
    const argv = {
      _: ['.'],
      'config-file': 'nuxt.config.js',
      universal: true
    }

    const options = await utils.loadNuxtConfig(argv)
    expect(options.rootDir).toBe(process.cwd())
    expect(options.mode).toBe('universal')
    expect(options.server.host).toBe('localhost')
    expect(options.server.port).toBe(3000)
    expect(options.server.socket).not.toBeDefined()
  })

  test('loadNuxtConfig: config-file', async () => {
    const argv = {
      _: [__dirname],
      'config-file': '../fixtures/nuxt.config.js',
      spa: true
    }

    const options = await utils.loadNuxtConfig(argv)
    expect(options.testOption).toBe(true)
    expect(options.rootDir).toBe('/some/path')
    expect(options.mode).toBe('spa')
    expect(options.server.host).toBe('nuxt-host')
    expect(options.server.port).toBe(3001)
    expect(options.server.socket).toBe('/var/run/nuxt.sock')
  })

  test('loadNuxtConfig: not-existing config-file', async () => {
    const argv = {
      _: [__dirname],
      'config-file': '../fixtures/nuxt.doesnt-exist.js'
    }

    const options = await utils.loadNuxtConfig(argv)
    expect(options.testOption).not.toBeDefined()

    expect(consola.fatal).toHaveBeenCalledTimes(1)
    expect(consola.fatal).toHaveBeenCalledWith(expect.stringMatching(/Could not load config file/))
  })

  test('loadNuxtConfig: async config-file', async () => {
    const argv = {
      _: [__dirname],
      'config-file': '../fixtures/nuxt.async-config.js',
      hostname: 'async-host',
      port: 3002,
      'unix-socket': '/var/run/async.sock'
    }

    const options = await utils.loadNuxtConfig(argv)
    expect(options.testOption).toBe(true)
    expect(options.mode).toBe('supercharged')
    expect(options.server.host).toBe('async-host')
    expect(options.server.port).toBe(3002)
    expect(options.server.socket).toBe('/var/run/async.sock')
  })

  test('loadNuxtConfig: async config-file with error', async () => {
    const argv = {
      _: [__dirname],
      'config-file': '../fixtures/nuxt.async-error.js'
    }

    const options = await utils.loadNuxtConfig(argv)
    expect(options.testOption).not.toBeDefined()

    expect(consola.error).toHaveBeenCalledTimes(1)
    expect(consola.error).toHaveBeenCalledWith(new Error('Async Config Error'))
    expect(consola.fatal).toHaveBeenCalledWith('Error while fetching async configuration')
  })

  test('normalizeArg: normalize string argument in command', () => {
    expect(utils.normalizeArg('true')).toBe(true)
    expect(utils.normalizeArg('false')).toBe(false)
    expect(utils.normalizeArg(true)).toBe(true)
    expect(utils.normalizeArg(false)).toBe(false)
    expect(utils.normalizeArg('')).toBe(true)
    expect(utils.normalizeArg(undefined, 'default')).toBe('default')
    expect(utils.normalizeArg('text')).toBe('text')
  })

  test('nuxtServerConfig: server env', () => {
    const options = getDefaultNuxtConfig({
      env: {
        ...process.env,
        HOST: 'env-host',
        PORT: 3003,
        UNIX_SOCKET: '/var/run/env.sock'
      }
    })

    expect(options.server.host).toBe('env-host')
    expect(options.server.port).toBe(3003)
    expect(options.server.socket).toBe('/var/run/env.sock')
  })

  test('indent', () => {
    expect(fmt.indent(4)).toBe('    ')
  })

  test('indent custom char', () => {
    expect(fmt.indent(4, '-')).toBe('----')
  })
})