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

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import Command from '../../src/command'
import { common, server } from '../../src/options'
import { consola } from '../utils'
jest.mock('@nuxt/core')
jest.mock('@nuxt/builder')
jest.mock('@nuxt/generator')
const allOptions = {
...common,
...server
}
describe('cli/command', () => {
beforeEach(() => jest.restoreAllMocks())
test('builds minimist options', () => {
const cmd = new Command({ options: allOptions })
const minimistOptions = cmd._getMinimistOptions()
expect(minimistOptions.string.length).toBe(4)
expect(minimistOptions.boolean.length).toBe(4)
expect(minimistOptions.alias.c).toBe('config-file')
expect(minimistOptions.default.c).toBe(common['config-file'].default)
})
test('parses args', () => {
const cmd = new Command({ options: { ...common, ...server } })
let args = ['-c', 'test-file', '-s', '-p', '3001']
let argv = cmd.getArgv(args)
expect(argv['config-file']).toBe(args[1])
expect(argv.spa).toBe(true)
expect(argv.universal).toBe(false)
expect(argv.port).toBe('3001')
args = ['--no-build']
argv = cmd.getArgv(args)
expect(argv.build).toBe(false)
})
test('prints version automatically', () => {
const cmd = new Command()
cmd.showVersion = jest.fn()
const args = ['--version']
cmd.getArgv(args)
expect(cmd.showVersion).toHaveBeenCalledTimes(1)
})
test('prints help automatically', () => {
const cmd = new Command({ options: allOptions })
cmd.showHelp = jest.fn()
const args = ['-h']
cmd.getArgv(args)
expect(cmd.showHelp).toHaveBeenCalledTimes(1)
})
test('returns nuxt config', async () => {
const cmd = new Command({ options: allOptions })
const args = ['-c', 'test-file', '-a', '-p', '3001', '-q', '-H']
const argv = cmd.getArgv(args)
argv._ = ['.']
const options = await cmd.getNuxtConfig(argv, { testOption: true })
expect(options.testOption).toBe(true)
expect(options.server.port).toBe(3001)
expect(consola.fatal).toHaveBeenCalledWith('Provided hostname argument has no value') // hostname check
})
test('returns Nuxt instance', async () => {
const cmd = new Command()
const nuxt = await cmd.getNuxt()
expect(nuxt.constructor.name).toBe('Nuxt')
expect(typeof nuxt.ready).toBe('function')
})
test('returns Builder instance', async () => {
const cmd = new Command()
const builder = await cmd.getBuilder()
expect(builder.constructor.name).toBe('Builder')
expect(typeof builder.build).toBe('function')
})
test('returns Generator instance', async () => {
const cmd = new Command()
const generator = await cmd.getGenerator()
expect(generator.constructor.name).toBe('Generator')
expect(typeof generator.generate).toBe('function')
})
test('builds help text', () => {
const cmd = new Command({
description: 'a very long description that is longer than 80 chars and ' +
'should wrap to the next line while keeping indentation',
usage: 'this is how you do it',
options: {
...allOptions,
foo: {
type: 'boolean',
description: 'very long option that is longer than 80 chars and ' +
'should wrap to the next line while keeping indentation'
}
}
})
expect(cmd._getHelp()).toMatchSnapshot()
})
test('show version prints to stdout and exits', () => {
jest.spyOn(process.stdout, 'write').mockImplementation(() => {})
jest.spyOn(process, 'exit').mockImplementationOnce(code => code)
const cmd = new Command()
cmd.showVersion()
expect(process.stdout.write).toHaveBeenCalled()
expect(process.exit).toHaveBeenCalled()
process.stdout.write.mockRestore()
process.exit.mockRestore()
})
test('show help prints to stdout and exits', () => {
jest.spyOn(process.stdout, 'write').mockImplementation(() => {})
jest.spyOn(process, 'exit').mockImplementationOnce(code => code)
const cmd = new Command()
cmd.showHelp()
expect(process.stdout.write).toHaveBeenCalled()
expect(process.exit).toHaveBeenCalled()
process.stdout.write.mockRestore()
process.exit.mockRestore()
})
})