node/deps/npm/test/tap/cache-add-unpublished.js

var common = require('../common-tap.js')
var test = require('tap').test

test('cache add', function (t) {
  setup(function (er, s) {
    if (er) {
      throw er
    }
    common.npm(
      [
        'cache',
        'add',
        'superfoo',
        '--registry=http://localhost:1337/'
      ],
      {},
      function (er, c, so, se) {
        if (er) throw er
        t.ok(c, 'got non-zero exit code')
        t.equal(so, '', 'nothing printed to stdout')
        t.similar(se, /404 Not Found: superfoo/, 'got expected error')
        s.close()
        t.end()
      }
    )
  })
})

function setup (cb) {
  var s = require('http').createServer(function (req, res) {
    res.statusCode = 404
    res.end('{\"error\":\"not_found\"}\n')
  })
  s.listen(1337, function () {
    cb(null, s)
  })
}