text: var fs = require('fs')
  var path = require('path')
  
  var mkdirp = require('mkdirp')
  var mr = require('npm-registry-mock')
  var rimraf = require('rimraf')
  var test = require('tap').test
  
  var common = require('../common-tap.js')
  
  var pkg = path.resolve(__dirname, 'logout')
  var outfile = path.join(pkg, '_npmrc')
  var opts = { cwd: pkg }
  
  var contents = function () {/*
  foo=boo
  //localhost:1337/:_authToken=glarb
  */}.toString().split('\n').slice(1, -1).join('\n')
  
  function mocks (server) {
    server.delete('/-/user/token/glarb')
      .reply(200, {})
  }
  
  test('setup', function (t) {
    cleanup()
    setup()
    t.end()
  })
  
  test('npm logout', function (t) {
    mr({ port: common.port, plugin: mocks }, function (err, s) {
      if (err) throw err
  
      common.npm(
      [
        'logout',
        '--registry', common.registry,
        '--loglevel', 'silent',
        '--userconfig', outfile
      ],
      opts,
      function (err, code) {
        t.ifError(err, 'no error output')
        t.notOk(code, 'exited OK')
  
        var config = fs.readFileSync(outfile, 'utf8')
        t.equal(config, 'foo=boo\n', 'creds gone')
        s.close()
        t.end()
      })
    })
  })
  
  test('cleanup', function (t) {
    cleanup()
    t.end()
  })
  
  function setup () {
    mkdirp.sync(pkg)
    fs.writeFileSync(outfile, contents)
  }
  
  function cleanup () {
    rimraf.sync(pkg)
  }
  