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

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import execa from 'execa'
import run from '../../src/run'
import getCommand from '../../src/commands'
import NuxtCommand from '../../src/command'
jest.mock('execa')
jest.mock('../../src/commands')
jest.mock('../../src/command')
describe('run', () => {
beforeEach(() => {
jest.resetAllMocks()
getCommand.mockImplementation(cmd => cmd === 'dev' ? ({ name: 'dev', run: jest.fn() }) : undefined)
})
afterAll(() => {
jest.clearAllMocks()
})
test('nuxt aliases to nuxt dev', async () => {
await run([])
expect(getCommand).toHaveBeenCalledWith('dev')
expect(NuxtCommand.run).toHaveBeenCalledWith(expect.anything(), [])
})
test('nuxt --foo aliases to nuxt dev --foo', async () => {
await run(['--foo'])
expect(getCommand).toHaveBeenCalledWith('dev')
expect(NuxtCommand.run).toHaveBeenCalledWith(expect.anything(), ['--foo'])
})
test('nuxt <dir> aliases to nuxt dev <dir>', async () => {
await run([__dirname])
expect(getCommand).toHaveBeenCalledWith('dev')
expect(NuxtCommand.run).toHaveBeenCalledWith(expect.anything(), [__dirname])
})
test('external commands', async () => {
await run(['custom', 'command', '--args'])
expect(execa).toHaveBeenCalledWith('nuxt-custom', ['command', '--args'], {
stdout: process.stdout,
stderr: process.stderr,
stdin: process.stdin
})
})
test('throws error if external command not found', async () => {
execa.mockImplementationOnce(() => {
const e = new Error()
e.exitCode = 2
e.exitName = 'ENOENT'
throw e
})
await expect(run(['custom', 'command', '--args']))
.rejects.toBe('Command not found: nuxt-custom')
})
test('throws error if external command failed', async () => {
execa.mockImplementationOnce(() => { throw new Error('boo') })
await expect(run(['custom', 'command', '--args']))
.rejects.toBe('Failed to run command `nuxt-custom`:\nError: boo')
})
})