text: 'use strict'
  var test = require('tap').test
  var common = require('../common-tap.js')
  var path = require('path')
  var rimraf = require('rimraf')
  var mkdirp = require('mkdirp')
  var basepath = path.resolve(__dirname, path.basename(__filename, '.js'))
  var fixturepath = path.resolve(basepath, 'npm-test-dir-bin')
  var modulepath = path.resolve(basepath, 'node_modules')
  var installedpath = path.resolve(modulepath, 'npm-test-dir-bin')
  var Tacks = require('tacks')
  var File = Tacks.File
  var Dir = Tacks.Dir
  var fixture = new Tacks(
    Dir({
      bin: Dir({
        'dir-bin': File(
          '#!/usr/bin/env node\n' +
          "console.log('test ran ok')\n"
        )
      }),
      'package.json': File({
        name: 'npm-test-dir-bin',
        version: '1.2.5',
        directories: {
          bin: './bin'
        },
        scripts: {
          test: 'node test.js'
        }
      }),
      'test.js': File(
        "require('child_process').exec('dir-bin', { env: process.env },\n" +
        '  function (err, stdout, stderr) {\n' +
        "    if (err && err.code) throw new Error('exited badly with code = ' + err.code)\n" +
        '    console.log(stdout)\n' +
        '    console.error(stderr)\n' +
        '  }\n' +
        ')\n'
      )
    })
  )
  test('setup', function (t) {
    setup()
    t.done()
  })
  test('dir-bin', function (t) {
    common.npm(['install', fixturepath], {cwd: basepath}, installCheckAndTest)
    function installCheckAndTest (err, code, stdout, stderr) {
      if (err) throw err
      t.is(code, 0, 'install went ok')
      common.npm(['test'], {cwd: installedpath}, testCheckAndRemove)
    }
    function testCheckAndRemove (err, code, stdout, stderr) {
      t.ifError(err, 'npm test on array bin')
      t.equal(code, 0, 'exited OK')
      t.equal(stderr.trim(), '', 'no error output')
      t.match(stdout, /test ran ok/, 'child script ran properly')
      common.npm(['rm', fixturepath], {cwd: basepath}, removeCheckAndDone)
    }
    function removeCheckAndDone (err, code, stdout, stderr) {
      if (err) throw err
      t.is(code, 0, 'remove went ok')
      t.done()
    }
  })
  test('cleanup', function (t) {
    cleanup()
    t.done()
  })
  function setup () {
    cleanup()
    fixture.create(fixturepath)
    mkdirp.sync(modulepath)
  }
  function cleanup () {
    fixture.remove(fixturepath)
    rimraf.sync(basepath)
  }
  