text: 'use strict'
  
  const BB = require('bluebird')
  
  const fs = BB.promisifyAll(require('fs'))
  const getBuff = require('get-stream').buffer
  const mockTar = require('./util/mock-tarball')
  const npa = require('npm-package-arg')
  const npmlog = require('npmlog')
  const path = require('path')
  const test = require('tap').test
  
  const CACHE = require('./util/test-dir')(__filename)
  
  const fetch = require('../lib/fetch')
  
  npmlog.level = process.env.LOGLEVEL || 'silent'
  const OPTS = {
    log: npmlog
  }
  
  test('basic tarball streaming', function (t) {
    const pkg = {
      'package.json': JSON.stringify({
        name: 'foo',
        version: '1.2.3'
      }),
      'index.js': 'console.log("hello world!")'
    }
    const tarballPath = path.join(CACHE, 'foo-1.2.3.tgz')
    return mockTar(pkg).then(tarData => {
      return fs.writeFileAsync(tarballPath, tarData).then(() => {
        return getBuff(fetch.tarball(npa(tarballPath), OPTS))
      }).then(data => {
        t.deepEqual(data, tarData, 'fetched tarball data matches one from local')
      })
    })
  })
  