text: var test = require('tap').test
  
  var server = require('./lib/server.js')
  var common = require('./lib/common.js')
  var client = common.freshClient()
  
  function nop () {}
  
  var URI = 'http://localhost:1337/underscore'
  var USERNAME = 'username'
  var PASSWORD = '%1234@asdf%'
  var EMAIL = 'i@izs.me'
  var VERSION = '1.3.2'
  var TAG = 'not-lodash'
  var AUTH = {
    username: USERNAME,
    password: PASSWORD,
    email: EMAIL
  }
  var PARAMS = {
    tag: TAG,
    version: VERSION,
    auth: AUTH
  }
  
  test('tag call contract', function (t) {
    t.throws(function () {
      client.tag(undefined, AUTH, nop)
    }, 'requires a URI')
  
    t.throws(function () {
      client.tag([], AUTH, nop)
    }, 'requires URI to be a string')
  
    t.throws(function () {
      client.tag(URI, undefined, nop)
    }, 'requires params object')
  
    t.throws(function () {
      client.tag(URI, '', nop)
    }, 'params must be object')
  
    t.throws(function () {
      client.tag(URI, AUTH, undefined)
    }, 'requires callback')
  
    t.throws(function () {
      client.tag(URI, AUTH, 'callback')
    }, 'callback must be function')
  
    t.throws(
      function () {
        var params = { tag: TAG, auth: AUTH }
        client.tag(URI, params, nop)
      },
      { name: 'AssertionError', message: 'must pass version to tag' },
      'tag must include version'
    )
  
    t.throws(
      function () {
        var params = { version: VERSION, auth: AUTH }
        client.tag(URI, params, nop)
      },
      { name: 'AssertionError', message: 'must pass tag name to tag' },
      'tag must include name'
    )
  
    t.throws(
      function () {
        var params = { version: VERSION, tag: TAG }
        client.tag(URI, params, nop)
      },
      { name: 'AssertionError', message: 'must pass auth to tag' },
      'params must include auth'
    )
  
    t.end()
  })
  
  test('tag a package', function (t) {
    server.expect('PUT', '/underscore/not-lodash', function (req, res) {
      t.equal(req.method, 'PUT')
  
      var b = ''
      req.setEncoding('utf8')
      req.on('data', function (d) {
        b += d
      })
  
      req.on('end', function () {
        var updated = JSON.parse(b)
  
        t.deepEqual(updated, '1.3.2')
  
        res.statusCode = 201
        res.json({ tagged: true })
      })
    })
  
    client.tag(URI, PARAMS, function (error, data) {
      t.ifError(error, 'no errors')
      t.ok(data.tagged, 'was tagged')
  
      t.end()
    })
  })
  