npm-run/test/spawn.js

Run executables for locally-installed packages without using ./node_modules/.bin

'use strict'

var test = require('tape')
var bl = require('bl')

var path = require('path')

var npmRun = require('../')

var level0 = path.join(__dirname, 'fixtures', 'level0')
var level1 = path.join(level0, 'node_modules', 'level1')
var level2 = path.join(level1, 'node_modules', 'level2')

var level = [level0, level1, level2]

test('spawn', function (t) {
  t.plan(5)
  var child = npmRun.spawn(
    'level1',
    'here are some arguments'.split(' '),
    {cwd: level[0]}
  )
  var stdout = bl(function (err, data) {
    t.ifError(err)
    t.equal(data.toString().trim(), 'level1')
  })
  var stderr = bl(function (err, data) {
    t.ifError(err)
    t.equal(data.toString().trim(), 'here are some arguments')
  })
  child.stdout.pipe(stdout)
  child.stderr.pipe(stderr)
  child.on('close', function (errCode) {
    t.equal(errCode, 0)
  })
})

test('spawn nested', function (t) {
  t.plan(5)
  var child = npmRun.spawn(
    'level1',
    'here are some arguments'.split(' '),
    {cwd: level[1]}
  )
  var stdout = bl(function (err, data) {
    t.ifError(err)
    t.equal(data.toString().trim(), 'level1')
  })
  var stderr = bl(function (err, data) {
    t.ifError(err)
    t.equal(data.toString().trim(), 'here are some arguments')
  })
  child.stdout.pipe(stdout)
  child.stderr.pipe(stderr)
  child.on('close', function (errCode) {
    t.equal(errCode, 0)
  })
})

test('spawn bad command', function (t) {
  var badPath = 'not-exist-adsjk'
  npmRun.spawn(
    badPath,
    'here are some arguments'.split(' '),
    {cwd: level[1]}
  ).on('error', function (err) {
    t.ok(err, 'has error')
    t.equal(err.code, 'ENOENT')
    t.end()
  })
})

test('spawnSync', function (t) {
  var child = npmRun.spawnSync(
    'level1',
    'here are some arguments'.split(' '),
    {cwd: level[0]}
  )
  t.equal(child.stdout.toString().trim(), 'level1')
  t.equal(child.stderr.toString().trim(), 'here are some arguments')
  t.equal(child.status, 0)
  t.end()
})

test('spawnSync bad command', function (t) {
  var badPath = 'not-exist-adsjk'
  var child = npmRun.spawnSync(
    badPath,
    'here are some arguments'.split(' '),
    {cwd: level[1]}
  )
  t.notEqual(child.status, 0)
  t.end()
})